JB/T 3171-1982 Traction transformers and reactors for electric locomotives
Some standard content:
Mechanical Industry Standard of the People's Republic of China
JB/T3171
1982-11-26
JB/T31711982
This standard applies to single-cabinet AC offline electric locomotive traction transformer (hereinafter referred to as traction transformer) with a grid rated voltage of 25 kV and a rated frequency of 50 Hz, as well as the matching smoothing reactors and shunt inductors. 1 Explanation of terms in this standard
1.1 For any term not explained in this standard, the relevant terms in GB2900.15-82 "Terminology of transformers, inductors, voltage regulators, reactors", GB1094-79 "Power transformers" and JB2530-79 "Electrical transformers" shall apply. 1.2 Self-use system
Windings supplying power to locomotive auxiliary power equipment. 1.3 Control windings
Windings supplying power to locomotive secondary control return pedals. 1.4 Shunt reactors
Reactors connected to the DC circuit and connected to the excitation windings of the traction motor. 1.5 Pulsating current inductance
Inductance obtained from the measurement and record of the voltage at the reactor terminals when the smoothing reactor passes the specified pulsating current. 2 Rated operating conditions
2.1 The traction transformer, smoothing reactor and shunt reactor should be able to work normally under the following environmental conditions. 2.1.1 The altitude of the sea shall not exceed 2500 meters.
2.1.2 The maximum temperature of the ambient air (cooling medium): 40℃ at 1000 meters and below; the minimum temperature: -25℃,
The maximum annual average temperature: +25℃.
Note: ① The maximum air temperature inside the car: 45℃ at 1000 meters and below, and 0.5℃ for every 100 meters increase from 1001 meters to 25 meters. ② It is allowed to be stored at 4℃, but before being put into operation, the transformer oil shall be heated accordingly. 2.1.3 The maximum relative humidity of the ambient air
The average maximum relative condensation of the wettest month is 90%, and the average minimum temperature of the month is 25℃. 2.1.4 The locomotive has vertical, horizontal and longitudinal vibrations with a frequency of 1 to 50 Hz. Under normal circumstances, the vibration acceleration is no more than 3 m/s, and the short-term vibration acceleration is no more than 10 m/s2. Due to the impact when the locomotive is coupled, the vibration acceleration excited along the longitudinal direction of the locomotive is no more than 30 m/s2.
2.2 When the operating conditions are different from those in point 2.1, the user unit and the manufacturer shall negotiate the solution. 3 Models and basic parameters
3.1 The model of the traction transformer consists of a "series code" and a "specification code", separated by a short dash. The "series code" is composed of the representative symbols listed in Table 1. 9. 1.1
1982-11-26
1983-03-01Small continuation
Coil outer insulation medium
Cooling and similar
Huai cycle test
"Yao Ge code" group war is as follows,
JB/T3171
Electric locomotive abandoned
Transformer oil
Non-flammable oil
Natural circulation
Forced circulation
Type of traction transformer capacity (kVA)/rated voltage of grid-side winding (kV) 3.1.3 Example of traction transformer product model
Representative number
Type capacity is 6300 kVA, rated voltage of grid-side winding is 25 kV, strong oil circulation, air-cooled single-phase AC main line electric locomotive traction transformer model is: QFP6300/25. 3.2 The range of variation of grid-side winding voltage of traction transformer shall comply with the relevant provisions of GB 1402-78 "Standard for AC voltage of railway main line electric traction".
3.3 Type of traction transformer capacity refers to one of the following: 1250, 2000, 3150, 4000, 5000, 6300, 7000, 8000 kVA. 3.4 The model of the smoothing reactor consists of a "basic code" and a "specification code", separated by a short dash. 3.4.1 The "basic code" is composed in the order of the representative symbols listed in Table 2: Table 2 Product Name Insulation Type Cooling Type Oil Circulation Mode Reactor Transformer Oil Air Conditioner Insulation Type Non-flammable Oil Natural Circulation ||Forced oil circulation
Code symbol
JB/T31711982
3.4.2 "Specification code" is composed as follows:
Rated average rectified DC current of smoothing reactor (A)/corresponding inductance (mH) of rated average rectified DC current. 3.4.3 Model example of smoothing reactor
Rated rectified DC current is 1350A. The corresponding inductance is 8H, and the model of smoothing reactor with ten-way air cooling is: PKGF-1350/8.
3.5 The model of shunt reactor is composed of "basic code" and "specification code", separated by a short dash. 3.5.1
"Basic code" is composed of the representative symbols listed in Table 3. 3
Product name
Insulation medium outside the coil
Cooling type
Autoreactor
Air (thousand type)
Molded solid
Representative symbol
“Specification code” is composed as follows:
Rated flat-channel rectified DC current of shunt inductor/inductance corresponding to rated average rectified DC current (millihenry) 3.5.3 Examples of shunt inductor models||tt ||The rated average rectified DC current is 500A, the corresponding inductance is 1.5mH, and the model of the dry self-cooled shunt reactor is: UKG-500/1.5.
4 Technical requirements
4.1 Traction transformer, smoothing reactor and shunt reactor are all traction electrical devices in the vehicle. Each structural component must have sufficient mechanical strength and reliable vibration protection measures, and should be able to prevent loosening and permanent deformation under rated conditions of use. 4.2 Bushing or terminal of traction transformer
.2.1 All bushings or terminals must be clearly marked. 4.2.2 The installation position of the bushing should be convenient for wiring and replacement of porcelain parts, and the distance between its live parts should meet the requirements of electrical insulation strength.
4.3 Oil protection and temperature measuring device
4.3.1 Traction transformers should be equipped with oil tanks, the structure of which should be easy to clean the inside. The volume of the oil tank should ensure that the oil does not overflow under full load when the cooling medium temperature is +40℃. When it is not put into operation at -30℃, oil should be visible in the oil gauge. 4.3.2 Except for products with nitrogen protection, all products should be equipped with desiccant. 4.3.3 Type or capacity of traction transformers of 3150 kVA and above should be equipped with oil purifiers at appropriate locations. 4.3.4 Traction transformers should be equipped with a thermometer with a contact capacity of not less than 50 VA (according to 24~220V AC or DC). 4.4 Safety protection device
4.4 Traction transformers should be equipped with safety pressure relief devices. When the pressure inside reaches 0.5 atmospheres, it should be released. The oil flow should be directed to the outside of the vehicle body.
JB/T31711982
4.4.2 Traction transformers with strong lubrication and circulating air cooling should be equipped with a flow relay to monitor the working status of the oil. Note: The signal of the dynamic fan should be considered in the control circuit of the ventilation unit. 4.5 Traction transformers, smoothing reactors, and shunt reactors should all have lifting devices that can bear the total weight. The main groups and components of the transformer, such as the oil tank, oil filters, radiators, oil purifiers and pumps, should all have lifting devices. The layout of each structural component should not hinder lifting and transportation.
1.6 The lower part of the traction transformer box should be equipped with a sufficiently large drain valve and oil sample valve and a drain plug at the bottom of the box. 4.7 The iron core and all larger metal structural parts of the traction transformer, smoothing reactor and shunt reactor should be reliably grounded, and the external grounding point should have an obvious grounding symbol "吉" or "grounding" words. 4.8 When the traction transformer, smoothing reactor and shunt reactor using strong wind cooling are subjected to temperature opening test under rated use conditions: (the altitude of the test site shall not exceed 1000 meters) the temperature limit of each part shall not exceed the provisions of Table 4. 4
Transformer
Reactor
Oil immersed
Insulation grade
Coil temperature rise
Note: The temperature rise of the core surface and the oil surface shall be measured by the thermometer method. Oil surface temperature rise
Core surface temperature rise
Non-isotropic structure surface temperature rise
Maximum shall not exceed the allowable temperature rise of the core itself and the insulating material in contact with it
4.9 For oil-immersed or dry-type traction transformers, smoothing reactors, and shunt reactors, when the altitude of the operating location exceeds 1000 meters (but not more than 2500 meters), the influence of the increase in altitude on the reduction of heat dissipation efficiency is compensated by the decrease in ambient temperature, so the temperature rise during use may not be corrected
To: When the altitude of the test location exceeds 10 meters, the temperature rise limit values specified in Table 1 shall be corrected to 1000 meters according to the following sources. Oil-immersed cooling
For self-cooling
Oil-immersed cooling
For air cooling
The temperature rise limit value shall be increased by 0.4% for every 100 meters.
The temperature rise limit is 0.5% for every 100m of elevation.
The temperature rise limit is 0.6% for every 100m of elevation.
The immersion rise limit is 1.0% for every 100m of elevation.
When the altitude of the operating location does not exceed 1000 meters, the temperature rise limits specified in Table 4 shall not be corrected. .10 For traction transformers and smoothing reactors that use forced oil circulation air cooling, when the cooling system fails (meaning that the fan and oil pump are stopped), they are allowed to run for 10 minutes at rated load. If the oil level has not reached 75°C after 10 minutes of operation, it is allowed to continue to run until the oil level temperature reaches 75°C, but the total running time shall not exceed 1 hour. 4.11 The allowable deviation of transformer loss, no-load current, impedance voltage and transformer ratio shall not exceed the provisions of 6. No-load loss
Short-circuit loss
Impedance voltage
No-load current
Allowable deviation
±0, 5
Manufacture specification
All transformers
All transformers
All transformers
(rated tapping)
Other tapping
JB/T3171
4.12 Insulation level of traction transformers, parallel reactors and shunt reactors 4.12.1
When the altitude of the test site is below 100 meters, the insulation test voltage of the traction transformer shall be in accordance with the provisions of Table 6: 6
Rated voltage of the winding on both sides
t t||Internal insulation induction test
Voltage (effective value)
Internal insulation punch test
Voltage (peak value)
130HU (full wave)
External insulation power frequency test
Voltage (effective value)
External insulation impulse test
Voltage (peak value)
15000 (full wave)
Note: () When the sea level of the test site exceeds 1000m (but not more than 2500m), the external insulation power frequency and impulse test voltages in Table 6 shall be decreased by 1m for every increase of 1m %.
impulse test voltage is carried out with 1.6,40 microseconds standard. ③ The duration of the induction test after high frequency is determined by the following formula: When the test frequency is equal to 100 Hz, 1=60 seconds; When the test frequency is greater than 100 Hz: 1=twice the rated frequency×60
formula:? For the frequency of the induction test voltage, the selection range is: when it is greater than 100 Hz and less than or equal to 400 Hz, 1 shall not be less than 15 seconds. 4. 12.2 External frequency test voltage of the secondary winding of the traction transformer, refer to GB 311-64 The relevant provisions of "High Voltage Electrical Equipment Insulation Test Voltage and Test Methods" are in force. 4.12.3 The effective value of the power frequency test voltage of the smoothing reactor and the shunt reactor is calculated according to the following formula, the time is one minute, Utest = 2.5UW + 2000 (volts), but not more than 3000 volts. Note: The rated voltage of the connected circuit (volts) is the allowable deviation of the line voltage, loss, and pulsating current of the smoothing reactor and the shunt reactor, which should not exceed the standard of 7.4.13
Coil resistance
Deviation (V)
Assumption: Allowable deviation
Scope of application
Manufacturing allowable deviation Deviation
Discrimination (%)
Only consider the DC resistance heat loss corrected to the reference temperature
Measured according to the pulsating current corresponding to the reactor type
Note: (1) "Design allowable deviation" is the comparison between the record value during the type test and the specified rated condition. Scope of application
All reactors
All reactors
Measured according to the effective value of the "base value" current at the T frequency specified by the pulsating current
② "Manufacturing allowable deviation" is the comparison between the recorded value of any factory test inductance and the "base value". The selection of this "base value" should be the average of the most measured values of 4 to 10 reactors.
.14 Traction transformers, smoothing reactors and shunt reactors shall be manufactured in accordance with the drawings and process specifications of the relevant regulations. The installation positions and wearing parts of the same type of products shall be interchangeable. 4.15 Oil tank strength
1.15.1 The oil tank of the traction transformer shall be able to withstand the vacuum strength test of a 380 mm column.5
JB/T3171
4.15.2 The oil tank rod and the filter shall be able to withstand the sealing and pressure test of 0.75 atmospheres. 4.15.3 The pressure test of the radiator shall be carried out in accordance with the corresponding technical conditions. 4.16 The rust-prone parts of the traction transformer, smoothing reactor and shunt reactor should be painted with durable paint or electroplating.
5 Test items and acceptance rules
5.1 Mechanical vibration test of traction transformer, smoothing reactor and shunt reactor. After installation and operation, check all main parts. There should be no mechanical damage, deformation and looseness. 5.2 Each traction transformer shall be inspected and accepted according to the provisions of Table 8 before leaving the factory. Table 8
Sealing test
Appearance and installation dimension inspection
Transformation ratio measurement
Coil connection group measurement
Line width DC resistance measurement
Insulation resistance measurement
Electrical strength test of transformer oil
External two-frequency high-voltage test
Induction bright voltage test
No-load test
Load test
Inspection test of cooling system
Test pressure at 0.5 kg/m for 24 hours, no oil package involved Including checking all parts and accessories, including the tapping terminals, markings, etc. All transformers (all tappings)
All transformers
All transformers (all tappings)
All transformers
All transformers
All transformers
All transformers
All transformers
All transformers
Run the oil pump for one hour, check whether there is leakage in the designated parts, whether the flow relay operates and whether the head is displayed according to the ground Note: (1) Tests 1 to 10 shall be in accordance with [B ② The load test of item 11 is carried out in the combination specified in Article 3 of this standard. ② The inspection of the cooling system (including the inspection of the full plate value of the cooler) of item 12 is carried out in accordance with the corresponding technical conditions specified by the manufacturer. The traction transformer is subjected to load tests in the following combinations. 5.8
The combination of the grid-side winding to all (valve-side) windings. 5.3.1
5.3.2 The combination of the grid-side system windings to the foot test windings. 5.3 The grid-side windings to the combination of the self-use windings, control windings, etc. 6
JB/T3171
The load test current should be between 25% and 100% of the rated current. The loss value shall be calibrated to the reference temperature of 5.3.4 in Table 9. The type test of traction transformer shall be carried out according to the items specified in Table 8 and Table 10. Table 0 Temperature opening test Drop-out voltage test Electrical strength test of external insulation Mechanical strength test of oil tank Mechanical vibration test Applicable area According to 5.5 of this standard According to 4.12 of technical standards According to 4.12 of this standard According to 4.15 of this standard According to 5.1. When the main structure and the raw materials of the main parts are changed, part or all of the type tests should be re-performed. Regular type tests should generally be carried out every five years.
5.5 Temperature rise test
The temperature rise test of the traction transformer is carried out under the rated tap position and rated capacity of the coil according to the continuous working system. When air cooling is adopted, the wind pressure, air volume and all cooling accessories configured in the test should be as equivalent to the operating conditions as possible. The temperature of the cooling medium shall be based on the inlet air temperature of the cooling device. The test method is the first load method, the mutual load method, the circulating current method or the short circuit method. 5.6 With the agreement of the user unit and the manufacturer, the short circuit test can be carried out on the traction transformer of the typical structure according to the specified requirements and methods.
The bushing, signal thermometer, oil pump, flow relay, radiator and other components of the traction transformer shall be type tested according to the corresponding technical conditions.
5.8 Each smoothing reactor and shunt reactor shall be inspected and tested before the items specified in Table 11 are put into production. Table 11
Appearance inspection
Line diagramResistance measurement
Inductance
Power frequency withstand voltage test
All reactors
New reactorsDifferentiate the AC inductance value measured by the "base value" current specified in JB501-64
According to 5.9.3 of this standard.
According to 4.12 of this standard
JB/T3171
The type test of smoothing reactors and shunt reactors of new structures shall be carried out according to the items specified in Table 11 and Table 12. 6.9
Temperature rise test
Full-dissipation
Flooding inductor change
Analysis and calculation of ripple coefficient
Scope of application
Perform according to the provisions of 5.9.1 of this standard
Perform according to the provisions of 5.9.2 of this standard
Perform according to the provisions of 5.9.3
Perform according to the provisions of 5.9.4
When the main structure and the raw materials of the main parts are changed, part of the whole type test should be re-performed, and the regular type test should be carried out at least once every five months.
5.9.1 Temperature rise test
In principle, the current for the temperature rise test of the smoothing transformer and shunt reactor should adopt the required pulsating current, but when the test conditions are not available, it can be replaced by equivalent DC current. That is: 1=VP+
Where: 1
-Equivalent DC current:
-Average value of pulsating current!
-RMS value of AC component of pulsating current. When adopting the cooling method of ventilation, in the test, the wind pressure and air volume arranged, as well as other cooling accessories, should be as equivalent as possible to the locomotive.
The temperature of the cooling medium shall be based on the inlet air temperature of the cooling device. 5.9.2 Loss measurement
It is customary to only consider the DC resistance corrected to the reference temperature in Table 9, and the heat loss value when the DC current is applied. 5.9.3 Pulsating current inductance measurement
For the ten-core inductor, the pulsating current inductance function of the pulsating current inductance changing with the arithmetic mean value of the pulsating current in the entire working range should be drawn.
The reactance measured by the specified power frequency AC for the inductance of the opponent's hollow inductor is calculated. After the above test, measure and draw the AC impedance and inductance curves corresponding to the pulsating current inductance function curve and changing with the current (note that the impedance should not reach the dangerous value), and select a certain point on this curve as the "base value" current for the AC inductance of the finalized product. 5.9.4 Calculation of pulsation coefficient:
imax -Imin.- × 100(%)
Imax+Imin
Where: Imax and Imin represent the maximum and minimum values of the pulsating current waveform respectively. 6 Marking, packaging, transportation and storage
Traction transformers must have a durable and non-corroded nameplate, on which the following markings should be clearly displayed: 6.1
Country name (omitted for products in the park);
Creation)' name:
Product name;
Model and product code
Factory serial number:
Rated frequency (Hz)!
Cooling method,
JB/T31711982
Rated capacity of each winding and capacity at each tapping position (in volt-amperes) Rated AC voltage of each winding and AC voltage at each tapping position (volts or better) Rated AC of each winding and AC current at each tapping position (amperes)! Impedance voltage (%) [measured value corrected to reference temperature) 3 Short-circuit loss (W or dry watt) (measured value corrected to reference temperature) No-load loss (W or F watt)
No-load current (%)
Standard code and technical condition code,
Imported wind, wind pressure and maximum imported overflow: Circuit diagram and cover bushing terminal number!
Containment weight (kg or ton
Body lifting weight (kg or ton):
Total weight (kg or ton)
Year and month of manufacture.
Lambo reactors and shunt reactors must have durable and non-corrosive nameplates, on which the following signs should be clearly noted: Country name [domestic products omitted)
Manufacturer name:
Product name:
Model and product code No.:
Factory serial number:
Rated DC current (A);
Inductance (millimeter)-AC inductance measured with "base value" current: Voltage level (V and KV),
Insulation level
Cooling method+
Wiring diagram,
Standard code or technical condition code
Weight [kg]]
Year and month of production.
6.8The packaging, transportation and storage of traction transformers, smoothing reactors and shunt reactors shall comply with the relevant provisions of GB109479. 6.4The power traction transformer and its components shall be filled with qualified No. 25 or No. 45 transformer oil and transported as a whole. 6.5Each traction transformer (including main components) shall be accompanied by installation and operation instructions, product certificate, factory test sheet, oil test sheet, product appearance dimension drawing, brand logo drawing, etc. The data should be properly packaged to prevent moisture. 6.6 For the wearing parts of traction transformers, the manufacturer can supply appropriate spare parts according to the user's requirements. 6.7 For each traction transformer, smoothing reactor and shunt reactor, within the first year after it is put into operation, but not more than two and a half years from the date of shipment from the manufacturer (the total operating mileage does not exceed 400,000 kilometers), if the user unit is in proper storage and use conditions and it is damaged due to poor manufacturing quality and cannot be used, the manufacturer shall be responsible for free repair or replacement of parts. 9
JB/T3171
Additional Notes:
This standard was proposed and coordinated by the Shenyang Transformer Research Institute of the Ministry of Machinery Industry. This standard was drafted by Changsha Transformer Factory. The main drafter of this standard is Huang Shizhao.
This standard is interpreted by the Shenyang Transformer Research Institute. Cheek
Soul Chicken'Heron
JB/T3171
Lai 880b1230
19XXXX Ridge
100044
Dai DuanX/X
Zhang JuXXX,XXX
19XX CollectionXX Cabin
X is flounder
Germany pxXX.XX Wing
Xianji Lotus Snapper9
Temperature rise test
Full-dissipation
Flooding inductor change
Analysis and calculation of ripple coefficient
Scope of application
Perform according to the provisions of 5.9.1 of this standard
Perform according to the provisions of 5.9.2 of this standard
Perform according to the provisions of 5.9.3
Perform according to the provisions of 5.9.4
When the main structure and the raw materials of the main parts are changed, part of the whole type test should be re-performed, and the regular type test should be carried out at least once every five months.
5.9.1 Temperature rise test
In principle, the current for the temperature rise test of the smoothing transformer and shunt reactor should adopt the required pulsating current, but when the test conditions are not available, it can be replaced by equivalent DC current. That is: 1=VP+
Where: 1
-Equivalent DC current:
-Average value of pulsating current!
-RMS value of AC component of pulsating current. When adopting the cooling method of ventilation, in the test, the wind pressure and air volume arranged, as well as other cooling accessories, should be as equivalent as possible to the locomotive.
The temperature of the cooling medium shall be based on the inlet air temperature of the cooling device. 5.9.2 Loss measurement
It is customary to only consider the DC resistance corrected to the reference temperature in Table 9, and the heat loss value when the DC current is applied. 5.9.3 Pulsating current inductance measurement
For the ten-core inductor, the pulsating current inductance function of the pulsating current inductance changing with the arithmetic mean value of the pulsating current in the entire working range should be drawn.
The reactance measured by the specified power frequency AC for the inductance of the opponent's hollow inductor is calculated. After the above test, measure and draw the AC impedance and inductance curves corresponding to the pulsating current inductance function curve and changing with the current (note that the impedance should not reach the dangerous value), and select a certain point on this curve as the "base value" current for the AC inductance of the finalized product. 5.9.4 Calculation of pulsation coefficient:
imax -Imin.- × 100(%)
Imax+Imin
Where: Imax and Imin represent the maximum and minimum values of the pulsating current waveform respectively. 6 Marking, packaging, transportation and storage
Traction transformers must have a durable and non-corroded nameplate, on which the following markings should be clearly displayed: 6.1
Country name (omitted for products in the park);
Creation)' name:
Product name;
Model and product code
Factory serial number:
Rated frequency (Hz)!
Cooling method,
JB/T31711982
Rated capacity of each winding and capacity at each tapping position (in volt-amperes) Rated AC voltage of each winding and AC voltage at each tapping position (volts or better) Rated AC of each winding and AC current at each tapping position (amperes)! Impedance voltage (%) [measured value corrected to reference temperature) 3 Short-circuit loss (W or dry watt) (measured value corrected to reference temperature) No-load loss (W or F watt)
No-load current (%)
Standard code and technical condition code,
Imported wind, wind pressure and maximum imported overflow: Circuit diagram and cover bushing terminal number!
Containment weight (kg or ton
Body lifting weight (kg or ton):
Total weight (kg or ton)
Year and month of manufacture.
Lambo reactors and shunt reactors must have durable and non-corrosive nameplates, on which the following signs should be clearly noted: Country name [domestic products omitted)
Manufacturer name:
Product name:
Model and product code No.:
Factory serial number:
Rated DC current (A);
Inductance (millimeter)-AC inductance measured with "base value" current: Voltage level (V and KV),
Insulation level
Cooling method+
Wiring diagram,
Standard code or technical condition code
Weight [kg]]
Year and month of production.
6.8The packaging, transportation and storage of traction transformers, smoothing reactors and shunt reactors shall comply with the relevant provisions of GB109479. 6.4The power traction transformer and its components shall be filled with qualified No. 25 or No. 45 transformer oil and transported as a whole. 6.5Each traction transformer (including main components) shall be accompanied by installation and operation instructions, product certificate, factory test sheet, oil test sheet, product appearance dimension drawing, brand logo drawing, etc. The data should be properly packaged to prevent moisture. 6.6 For the wearing parts of traction transformers, the manufacturer can supply appropriate spare parts according to the user's requirements. 6.7 For each traction transformer, smoothing reactor and shunt reactor, within the first year after it is put into operation, but not more than two and a half years from the date of shipment from the manufacturer (the total operating mileage does not exceed 400,000 kilometers), if the user unit is in proper storage and use conditions and it is damaged due to poor manufacturing quality and cannot be used, the manufacturer shall be responsible for free repair or replacement of parts. 9
JB/T3171
Additional Notes:
This standard was proposed and coordinated by the Shenyang Transformer Research Institute of the Ministry of Machinery Industry. This standard was drafted by Changsha Transformer Factory. The main drafter of this standard is Huang Shizhao.
This standard is interpreted by the Shenyang Transformer Research Institute. Cheek
Soul Chicken'Heron
JB/T3171
Lai 880b1230
19XXXX Ridge
100044
Dai DuanX/X
Zhang JuXXX,XXX
19XX CollectionXX Cabin
X is flounder
Germany pxXX.XX Wing
Xianji Lotus Snapper9
Temperature rise test
Full-dissipation
Flooding inductor change
Analysis and calculation of ripple coefficient
Scope of application
Perform according to the provisions of 5.9.1 of this standard
Perform according to the provisions of 5.9.2 of this standard
Perform according to the provisions of 5.9.3
Perform according to the provisions of 5.9.4
When the main structure and the raw materials of the main parts are changed, part of the whole type test should be re-performed, and the regular type test should be carried out at least once every five months.
5.9.1 Temperature rise test
In principle, the current for the temperature rise test of the smoothing transformer and shunt reactor should adopt the required pulsating current, but when the test conditions are not available, it can be replaced by equivalent DC current. That is: 1=VP+
Where: 1
-Equivalent DC current:
-Average value of pulsating current!
-RMS value of AC component of pulsating current. When adopting the cooling method of ventilation, in the test, the wind pressure and air volume arranged, as well as other cooling accessories, should be as equivalent as possible to the locomotive.
The temperature of the cooling medium shall be based on the inlet air temperature of the cooling device. 5.9.2 Loss measurement
It is customary to only consider the DC resistance corrected to the reference temperature in Table 9, and the heat loss value when the DC current is applied. 5.9.3 Pulsating current inductance measurement
For the ten-core inductor, the pulsating current inductance function of the pulsating current inductance changing with the arithmetic mean value of the pulsating current in the entire working range should be drawn.
The reactance measured by the specified power frequency AC for the inductance of the opponent's hollow inductor is calculated. After the above test, measure and draw the AC impedance and inductance curves corresponding to the pulsating current inductance function curve and changing with the current (note that the impedance should not reach the dangerous value), and select a certain point on this curve as the "base value" current for the AC inductance of the finalized product. 5.9.4 Calculation of pulsation coefficient:
imax -Imin.- × 100(%)
Imax+Imin
Where: Imax and Imin represent the maximum and minimum values of the pulsating current waveform respectively. 6 Marking, packaging, transportation and storage
Traction transformers must have a durable and non-corroded nameplate, on which the following markings should be clearly displayed: 6.1
Country name (omitted for products in the park);
Creation)' name:
Product name;
Model and product code
Factory serial number:
Rated frequency (Hz)!
Cooling method,
JB/T31711982
Rated capacity of each winding and capacity at each tapping position (in volt-amperes) Rated AC voltage of each winding and AC voltage at each tapping position (volts or better) Rated AC of each winding and AC current at each tapping position (amperes)! Impedance voltage (%) [measured value corrected to reference temperature) 3 Short-circuit loss (W or dry watt) (measured value corrected to reference temperature) No-load loss (W or F watt)
No-load current (%)
Standard code and technical condition code,
Imported wind, wind pressure and maximum imported overflow: Circuit diagram and cover bushing terminal number!
Containment weight (kg or ton
Body lifting weight (kg or ton):
Total weight (kg or ton)
Year and month of manufacture.
Lambo reactors and shunt reactors must have durable and non-corrosive nameplates, on which the following signs should be clearly noted: Country name [domestic products omitted)
Manufacturer name:
Product name:
Model and product code No.:
Factory serial number:
Rated DC current (A);
Inductance (millimeter)-AC inductance measured with "base value" current: Voltage level (V and KV),
Insulation level
Cooling method+
Wiring diagram,
Standard code or technical condition code
Weight [kg]]
Year and month of production.
6.8The packaging, transportation and storage of traction transformers, smoothing reactors and shunt reactors shall comply with the relevant provisions of GB109479. 6.4The power traction transformer and its components shall be filled with qualified No. 25 or No. 45 transformer oil and transported as a whole. 6.5Each traction transformer (including main components) shall be accompanied by installation and operation instructions, product certificate, factory test sheet, oil test sheet, product appearance dimension drawing, brand logo drawing, etc. The data should be properly packaged to prevent moisture. 6.6 For the wearing parts of traction transformers, the manufacturer can supply appropriate spare parts according to the user's requirements. 6.7 For each traction transformer, smoothing reactor and shunt reactor, within the first year after it is put into operation, but not more than two and a half years from the date of shipment from the manufacturer (the total operating mileage does not exceed 400,000 kilometers), if the user unit is in proper storage and use conditions and it is damaged due to poor manufacturing quality and cannot be used, the manufacturer shall be responsible for free repair or replacement of parts. 9
JB/T3171
Additional Notes:
This standard was proposed and coordinated by the Shenyang Transformer Research Institute of the Ministry of Machinery Industry. This standard was drafted by Changsha Transformer Factory. The main drafter of this standard is Huang Shizhao.
This standard is interpreted by the Shenyang Transformer Research Institute. Cheek
Soul Chicken'Heron
JB/T3171
Lai 880b1230
19XXXX Ridge
100044
Dai DuanX/X
Zhang JuXXX,XXX
19XX CollectionXX Cabin
X is flounder
Germany pxXX.XX Wing
Xianji Lotus Snapper1
Country name (omitted for products in the park);
Creation)'name:
Product name;
Model and product code
Factory serial number:
Rated frequency (Hz)!
Cooling method,
JB/T31711982
Rated capacity of each winding and capacity at each tapping position (in volt-amperes) Rated AC voltage of each winding and AC voltage at each tapping position (volts or better) Rated AC of each winding and AC current at each tapping position (amperes)! Impedance voltage (%) [measured value corrected to reference temperature) 3 Short-circuit loss (W or dry watt) (measured value corrected to reference temperature) No-load loss (W or F watt)
No-load current (%)
Standard code and technical condition code,
Imported wind, wind pressure and maximum imported overflow: Circuit diagram and cover bushing terminal number!
Containment weight (kg or ton
Body lifting weight (kg or ton):
Total weight (kg or ton)
Year and month of manufacture.
Lambo reactors and shunt reactors must have durable and non-corrosive nameplates, on which the following signs should be clearly noted: Country name [domestic products omitted)
Manufacturer name:
Product name:
Model and product code No.:
Factory serial number:
Rated DC current (A);
Inductance (millimeter)-AC inductance measured with "base value" current: Voltage level (V and KV),
Insulation level
Cooling method+
Wiring diagram,
Standard code or technical condition code
Weight [kg]]
Year and month of production.
6.8The packaging, transportation and storage of traction transformers, smoothing reactors and shunt reactors shall comply with the relevant provisions of GB109479. 6.4The power traction transformer and its components shall be filled with qualified No. 25 or No. 45 transformer oil and transported as a whole. 6.5Each traction transformer (including main components) shall be accompanied by installation and operation instructions, product certificate, factory test sheet, oil test sheet, product appearance dimension drawing, brand logo drawing, etc. The data should be properly packaged to prevent moisture. 6.6 For the wearing parts of traction transformers, the manufacturer can supply appropriate spare parts according to the user's requirements. 6.7 For each traction transformer, smoothing reactor and shunt reactor, within the first year after it is put into operation, but not more than two and a half years from the date of shipment from the manufacturer (the total operating mileage does not exceed 400,000 kilometers), if the user unit is in proper storage and use conditions and it is damaged due to poor manufacturing quality and cannot be used, the manufacturer shall be responsible for free repair or replacement of parts. 9
JB/T3171
Additional Notes:
This standard was proposed and coordinated by the Shenyang Transformer Research Institute of the Ministry of Machinery Industry. This standard was drafted by Changsha Transformer Factory. The main drafter of this standard is Huang Shizhao.
This standard is interpreted by the Shenyang Transformer Research Institute. Cheek
Soul Chicken'Heron
JB/T3171
Lai 880b1230Www.bzxZ.net
19XXXX Ridge
100044
Dai DuanX/X
Zhang JuXXX,XXX
19XX CollectionXX Cabin
X is flounder
Germany pxXX.XX Wing
Xianji Lotus Snapper1
Country name (omitted for products in the park);
Creation)'name:
Product name;
Model and product code
Factory serial number:
Rated frequency (Hz)!
Cooling method,
JB/T31711982
Rated capacity of each winding and capacity at each tapping position (in volt-amperes) Rated AC voltage of each winding and AC voltage at each tapping position (volts or better) Rated AC of each winding and AC current at each tapping position (amperes)! Impedance voltage (%) [measured value corrected to reference temperature) 3 Short-circuit loss (W or dry watt) (measured value corrected to reference temperature) No-load loss (W or F watt)
No-load current (%)
Standard code and technical condition code,
Imported wind, wind pressure and maximum imported overflow: Circuit diagram and cover bushing terminal number!
Containment weight (kg or ton
Body lifting weight (kg or ton):
Total weight (kg or ton)
Year and month of manufacture.
Lambo reactors and shunt reactors must have durable and non-corrosive nameplates, on which the following signs should be clearly noted: Country name [domestic products omitted)
Manufacturer name:
Product name:
Model and product code No.:
Factory serial number:
Rated DC current (A);
Inductance (millimeter)-AC inductance measured with "base value" current: Voltage level (V and KV),
Insulation level
Cooling method+
Wiring diagram,
Standard code or technical condition code
Weight [kg]]
Year and month of production.
6.8The packaging, transportation and storage of traction transformers, smoothing reactors and shunt reactors shall comply with the relevant provisions of GB109479. 6.4The power traction transformer and its components shall be filled with qualified No. 25 or No. 45 transformer oil and transported as a whole. 6.5Each traction transformer (including main components) shall be accompanied by installation and operation instructions, product certificate, factory test sheet, oil test sheet, product appearance dimension drawing, brand logo drawing, etc. The data should be properly packaged to prevent moisture. 6.6 For the wearing parts of traction transformers, the manufacturer can supply appropriate spare parts according to the user's requirements. 6.7 For each traction transformer, smoothing reactor and shunt reactor, within the first year after it is put into operation, but not more than two and a half years from the date of shipment from the manufacturer (the total operating mileage does not exceed 400,000 kilometers), if the user unit is in proper storage and use conditions and it is damaged due to poor manufacturing quality and cannot be used, the manufacturer shall be responsible for free repair or replacement of parts. 9
JB/T3171
Additional Notes:
This standard was proposed and coordinated by the Shenyang Transformer Research Institute of the Ministry of Machinery Industry. This standard was drafted by Changsha Transformer Factory. The main drafter of this standard is Huang Shizhao.
This standard is interpreted by the Shenyang Transformer Research Institute. Cheek
Soul Chicken'Heron
JB/T3171
Lai 880b1230
19XXXX Ridge
100044
Dai DuanX/X
Zhang JuXXX,XXX
19XX CollectionXX Cabin
X is flounder
Germany pxXX.XX Wing
Xianji Lotus Snapper
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