Some standard content:
ICS29.120.70
Machinery Industry Standard of the People's Republic of China
JB/T6514—2002
Replaces JB/T6514—1992
Electrical rotating speed signal equipment
Electrical rotating speed signal equipment2002-07-16 Issued
2002-12-01 Implementation
Issued by the State Economic and Trade Commission of the People's Republic of China Preface,
2 Normative reference documents,
3 Terms and definitions
4 Product classification.
Type and classification,
Model and meaning,
Variety specifications.
Rated parameters.
Overall dimensions and installation dimensions
4.6 Weight..
5 Technical requirements.
5.1 Standard reference values and test tolerances of influencing quantities and influencing factors Standard limit values of the nominal range of influencing quantities and influencing factors 5.2
5.3 Other requirements for the place of use.
5.4 Extreme range limit values of ambient temperature
5.5 Frequency measurement range,
5.6 Setting value| |tt||Accuracy of action value
Return coefficient,
Time characteristics..
Power consumption
The influence of ambient temperature change on performance…
The influence of auxiliary excitation change on performance, thermal performance requirements
Insulation performance.
Moisture and heat resistance performance
Contact performance..
Vibration resistance,
Impact resistance.
Clash resistance.
Pulse resistance Rush group interference capability.
Ability to withstand electrostatic discharge interference,
Ability to withstand radiated electromagnetic field interference
Ability to withstand fast transient interference,
Interruption of DC auxiliary excitation,
Mechanical life
Structure and appearance requirements
JB/T6514—2002
JB/T6514—2002
Test method
Inspection rules
8 Marking, labeling and use Instructions,
9 Packaging, transportation and storage
10 Completeness of supply
10.1 Documents supplied with the product..
10.2 Accessories supplied with the product
11 Quality assurance,
Table 1 Standard reference values and test tolerances of influencing quantities and influencing factorsTable 2 Standard limit values of nominal range of influencing quantities and influencing factorsI
This standard is a revision of JB/T6514-1992 "Electrical speed signal device". The technical content of this standard has added anti-interference and other test items. JB/T6514-—2002
This standard is divided into 9 chapters. According to the provisions of GB/T1.22002 "Guidelines for standardization work Part 2: Methods for determining the content of normative technical elements in standards", the original standard Chapter 7 is divided into Chapter 8 and Chapter 9. This standard replaces JB/T6514—1992.
This standard is proposed by China Machinery Industry Federation. This standard is under the jurisdiction of National Technical Committee for Standardization of Measuring Relays and Protection Equipment. This standard was drafted by Acheng Relay Co., Ltd. The drafter of this standard: Shan Dedong.
This standard was first issued in 1992.
1 Scope
Electrical speed signal device
JB/T6514—2002
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, labeling and instruction manual, packaging, transportation and storage, completeness of supply and quality assurance of electrical speed signal devices. This standard applies to electrical speed signal devices (hereinafter referred to as devices). Such devices are used to measure the speed changes of heavy-duty hydro-generator sets and send corresponding signals.
This standard is only applicable to new devices.
2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For any dated referenced document, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, parties that reach an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version is applicable to this standard. GB/T2900.1-1992 Basic terms of electrical engineering (neqIEC60050) GB/T7261--2000 Basic test methods for relays and devices GB/T14598.3-1993 Electrical relays Part V: Insulation test for electrical relays (eqvEC60255-5:1977) JB/T7828-1995 Technical conditions for packaging, storage and transportation of relays and their devices JB/T9568-2000 General technical conditions for relays, protection and automatic devices in power systems JB/T10103-1999 Method for compiling product models of relays and devices 3 Terms and definitions
The terms and definitions established in GB/T2900.1-1992 apply to this standard. 4 Product classification
4.1 Type and classification
According to the construction principle: electromechanical type, rectifier type, static type. 4.2 Model and meaning
The compilation of device model shall be in accordance with the provisions of JB/T101031999. 4.3 Variety and specification
It shall be specified by the enterprise product standards according to the specific parameters and specific uses of the product. 4.4 Rated parameters
a) AC voltage rating: 100V, 110V, 220V, or specified by the enterprise product standards. b) AC frequency rating: 50Hz, 25Hz, 16Hz, or specified by the enterprise product standards. c) DC auxiliary excitation quantity rating: 220V, 110V, 48V, 12V, or specified by the enterprise product standards. 4.5 Overall dimensions and installation dimensions
It shall be specified by the enterprise product standards.
It shall be specified by the enterprise product standards.
JB/T6514—2002
5 Technical requirements
The standard reference values and test tolerances of influencing quantities and influencing factors are shown in Table 1. Table 1 Standard reference values and test tolerances of influencing quantities and influencing factors Influencing quantities and influencing factors
Ambient temperature
Atmospheric pressure
Relative humidity
Working position
Magnetic induction intensity of external magnetic field
AC power waveform
DC component in AC
AC component in DC (ripple)
Current in each phase of three-phase balanced power supply
Reference value
86kPa~106kPa
45%~75%
Vertically installed on a vertical surface perpendicular to the ground plane
Sine wave
When the temperature changes during the test, this humidity range can be exceeded as long as no condensation occurs. Standard limit values of the nominal range of influencing quantities and influencing factors 5.2
5.2.1 Nominal range of ambient temperature
The ambient temperature is selected from the following values:
0℃～45℃, -5℃～+40℃-
Test tolerance
±2℃
The inclination in any direction does not exceed 2"
Not more than 0.5mT in any direction
Distortion factor is not more than 2%
Not more than 5% of the peak value
Not more than 2% of the peak value
Not more than 6%
Not more than 1% of the average value
-For static devices with requirements on ambient temperature. 10℃～+50℃ (or +55)℃—
-For static devices with no requirements on ambient temperature. —25℃~+40℃--used for electromechanical and rectifier devices. Devices with special requirements for ambient temperature shall be specified by the enterprise product standards. 6)
5.2.2 Nominal range of other influencing quantities and influencing factors The standard limit values of the nominal range of other influencing quantities and influencing factors are shown in Table 2. Table 2 Standard limit values of the nominal range of influencing quantities and influencing factors Influencing quantities and influencing factors
Ambient temperature
Atmospheric pressure
Relative humidity
Working position
Magnetic induction intensity of external magnetic field
AC power waveform
|DC component in AC
AC component (ripple) in DC
Variation range of auxiliary excitation quantity
Nominal model
See 5.2 of this standard.1
80kPa110kPa
The average maximum relative humidity of the wettest month is 90%, and the average minimum temperature of the month is 25℃, and there is no condensation on the surface
The deviation from the reference position in any direction does not exceed 5
No more than 1.5mT in any direction or the distortion factor specified by the enterprise product standard is no more than 5%
No more than 10% of the peak value
No more than 5% of the peak value
No more than 12%
Rated voltage of DC power supply is 110V, 220 V is 80%~110% of the rated value, and 48V and below is 90%~110% of the rated value
5.3 Other requirements for the use site
a) The use site should not have vibration and impact exceeding the requirements of this standard: JB/T6514-2002
b) The use site should not have fire and explosion hazard media, should not have corrosive and insulation-damaging gases and conductive media, should not be filled with water vapor and have serious raspberry fungi:
c) The use site of the product should have facilities to prevent rain, snow, wind and sand. 5.4 Extreme range limit values of ambient temperature
The extreme range limit values of ambient temperature are -25℃ and +70℃. Under the conditions of transportation and storage, the device without excitation should be able to withstand the temperature within this range without irreversible damage. 5.5 Frequency measurement range
Specified by the enterprise product standard.
5.6 Setting value
The setting value of the device shall meet the following requirements or be specified by the enterprise product standards. a) The setting value of the electromechanical device is 35%, 80%, 95%, 115%, 140% of the rated speed: b) The setting value of the rectifier device is 5%, 35%, 80%, 95%, 115%, 140% of the rated speed: c) The setting value of the static device is 1%, 35%, 80%, 95%, 115%, 140% of the rated speed. 5.7 Accuracy of action value
5.7.1 Average error of action value
The absolute value of the average error of the action setting value shall be less than or equal to the given error value. The given error is generally selected from the following data or specified by the enterprise product standards:
0.5%, 1.0%, 1.5%, 2.5%, 5.0%. 5.7.2 Consistency of action value
Specified by the enterprise product standards.
5.8 Return coefficient
The return coefficient of the set point of 80% and above rated speed shall not be less than 0.9, and the return coefficient of the other set points shall be specified by the enterprise product standards. 5.9 Time characteristics
Specified by the enterprise product standards.
5.10 Power consumption
Specified by the enterprise product standards.
5.11 Effect of ambient temperature change on performance When the ambient temperature is the standard limit value of the nominal range specified in Table 2 of 5.2, the consistency of the device's action setting value and the variation of the average error (compared with the reference temperature conditions) shall be specified by the enterprise product standards. 5.12 Effect of auxiliary excitation quantity change on performance When the auxiliary excitation quantity is the standard limit value of the nominal range specified in Table 2 of 5.2, the consistency of the device's action setting value and the variation of the average error shall be specified by the enterprise product standards.
5.13 Thermal performance requirements
5.13.1 Maximum allowable temperature
When the ambient temperature is the highest nominal ambient temperature of the device, the device should be able to work for a long time under the input excitation of 1.1 times the rated value, without causing thermal damage to the insulation or other electrical components, and the coil temperature should not exceed 105℃ (or as specified by the enterprise product standards). For heating elements that work with electricity for a long time, such as resistors, voltage regulators, etc., the maximum temperature should not exceed 150℃, and no harmful thermal effects should be caused to the adjacent components.
5.13.2 Short-term heat resistance limit of excitation The device should be able to withstand 1.4 times the rated voltage (or as specified by the enterprise product standards) for 10s without damage to the insulation and other components. After that, when the product returns to normal conditions, its performance should still meet the requirements of 5.5 to 5.9. 3
JB/T6514—2002
5.14 Insulation performance
Unless otherwise specified, the insulation performance of the device shall be tested under dry and non-self-heating conditions. 5.14.1 Insulation resistance
The insulation resistance value between each circuit and the exposed conductive part of the device, as well as between each independent circuit, shall be measured by a test instrument with an open circuit voltage of 500V, which shall not be less than 100M2. 5.14.2 Dielectric strength
The device shall be able to withstand an AC test voltage of 50Hz and a test duration of 1min between each circuit and the exposed conductive part, as well as between each independent circuit, without insulation breakdown or flashover. The test voltage value shall meet the requirements of GB/T14598.3-1993. When rechecking the dielectric strength, the test voltage value shall be 75% of the specified value. During the factory test, the test duration is allowed to be shortened to 1s, but the test voltage value shall be increased by 10% at this time. 5.14.3 Impulse voltage
The circuits and exposed conductive parts of the device, as well as the independent circuits, should be able to withstand the short-term impulse voltage test of the standard lightning wave. The test voltage value that each part should withstand should be in accordance with 8.2 and Appendix D of GB/T14598.3-1993 according to the different places of use of the product.
After the impulse voltage test, the device should meet the requirements of 5.6 to 5.9. During the test, flashover that does not damage the insulation is allowed. If flashover occurs, the insulation resistance and dielectric strength should be rechecked. At this time, the dielectric strength test voltage value is 75% of the specified value.
5.15 Moisture and heat resistance
The device is subjected to an alternating damp heat test under the conditions of a maximum temperature of 40°C and a test cycle of two cycles (48h). Within 2h before the end of the test, the insulation resistance value of the parts specified in 5.14.1 is measured with a test instrument with an open circuit voltage of 500V, which should not be less than 1.5MQ. Moreover, the product should be able to withstand a dielectric strength test of 75% of the voltage value specified in 5.14.2. 5.16 Contact performance
The contacts of the device output circuit should be able to disconnect a DC inductive load circuit with a voltage not greater than 250V, a current not greater than 0.2 (0.5, 2, 5) A, and a time constant of (5 ± 0.75) ms or (40 ± 6) ms, and an AC circuit with a voltage not greater than 250V and a current not greater than 0.5 (1, 5, 10) A (cosΦ = 0.4 ± 0.1). The contact disconnection capacity is specified by the enterprise product standard. 5.17 Vibration Withstand Capacity
5.17.1 Vibration Withstand Response Capacity
The device should be able to withstand the vibration response test with a severity level of 1 specified in 5.12.4 of JB/T9568-2000. During the test, the device input excitation and the qualified criterion are specified by the enterprise product standard. 5.17.2 Perturbation Endurance Capability
The device shall be able to withstand the vibration endurance test with severity level 1 specified in 5.12.4 of JB/T9568-2000. During the test, the qualification criteria of the device shall be specified by the enterprise product standards.
5.18 Impact Withstand Capability
5.18.1 Impact Response Capability
The device shall be able to withstand the impact response test with severity level 1 specified in 5.12.5 of JB/T9568-2000. During the test, the input excitation and qualification criteria of the device shall be specified by the enterprise product standards. 5.18.2 Impact Endurance Capability
The device shall be able to withstand the impact endurance test with severity level 1 specified in 5.12.5 of JB/T9568-2000. During the test, the qualification criteria of the device shall be specified by the enterprise product standards.
5.19 Impact Withstand Capacity
The device shall be able to withstand the impact test of severity level 1 specified in 5.12.6 of JB/T9568-2000. During the test, the qualified criterion of the device shall be specified by the enterprise product standard.
5.20 Pulse Group Interference Withstand Capacity
JB/T6514—2002
The static device shall be able to withstand the attenuation wave test of severity level Ⅲ specified in 5.18.1.1 of JB/T9568-2000. During the test, the input excitation and qualified criterion of the device shall be specified by the enterprise product standard. 5.21 Electrostatic Discharge Interference Withstand Capacity
The static device shall be able to withstand the test voltage of severity level Ⅲ specified in 5.18.1.2 of JB/T9568-2000. During the test, the input excitation and qualified criterion of the device shall be specified by the enterprise product standard. 5.22 Ability to withstand radiated electromagnetic field interference
The static device should be able to withstand the test field strength of the severity level ⅢI specified in 5.18.1.3 of JB/T9568-2000. During the test, the input excitation amount of the device and the qualified criterion shall be specified by the enterprise product standard. 5.23 Capability to withstand rapid change interference
Static devices should be able to withstand the test voltage of severity level IIIII specified in 5.18.1.4 of JB/T9568-2000. During the test, the excitation quantity input to the device and the qualified criterion shall be specified by the enterprise product standard. 5.24 Interruption of DC auxiliary excitation quantity
The interruption time and qualified criterion of DC auxiliary excitation quantity shall be specified by the enterprise product standard in accordance with 5.18.1.10 of JB/9568-2000. 5.25 Mechanical life
The contact circuit of the device shall be able to operate reliably for no less than 10 times without load or as specified by the enterprise product standard. The mechanical life test rate and qualified criterion shall be specified by the enterprise product standard. For devices with only electromagnetic relays in the output circuit, if the output relay has been tested and proved to meet the mechanical life requirements of the product, the device may not be subject to mechanical life test. 5.26 Structural and appearance requirements
Specified by the enterprise product standard.
6 Test methods
The test conditions shall comply with the provisions of Chapter 4 of GB/T7261-2000. 6.2
The device structure and appearance inspection shall be carried out in accordance with the provisions of Chapter 5 of GB/T7261-2000. 6.3 When testing 5.4, it shall be carried out in accordance with the provisions of Chapter 21 of GB/T7261--2000. 6.4 When testing 5.5, 5.6, 5.7, and 5.8, it shall be carried out in accordance with the methods specified in Chapter 7 of GB/T7261-2000. When testing 5.9, it shall be carried out in accordance with the methods specified in Chapter 8 of GB/T7261-2000. 6.5
When testing 5.10, it shall be carried out in accordance with the provisions of Chapter 9 of GB/T7261-2000. 6.7
When testing 5.11, the test shall be carried out in accordance with the provisions of Chapter 11 and Chapter 12 of GB/T7261-2000. 6.8When testing 5.12, the test shall be carried out in accordance with the provisions of Chapter 15 of GB/T7261-2000. 6.9When testing 5.13, the test shall be carried out in accordance with the provisions of Chapter 10 and Chapter 12 of GB/T7261-2000. 6.10
When testing 5.14, the test shall be carried out in accordance with the provisions of Chapter 19 of GB/T7261-2000. When testing 5.15, the test shall be carried out in accordance with the provisions of Chapter 20 of GB/T7261-2000. When testing 5.16, the test shall be carried out in accordance with the provisions of Chapter 23 of GB/T7261-2000. 6.13
When testing 5.17, the test shall be carried out in accordance with the provisions of Chapter 16 of GB/T7261-2000. 6.14
When testing 5.18, the provisions of Chapter 17 of GB/T7261-2000 shall apply. 6.15When testing 5.19, the provisions of Chapter 18 of GB/T7261-2000 shall apply. 6.16When testing 5.20, the provisions of 25.1 of GB/T7261-2000 shall apply. 6.17
When testing 5.21, the provisions of 25.2 of GB/T7261-2000 shall apply. 6.18When testing 5.22, the provisions of 25.3 of GB/T7261-2000 shall apply. 5
JB/T6514-2002
6.19When testing 5.23, the provisions of 25.4 of GB/T7261-2000 shall apply. 6.20 When testing 5.24, the test shall be carried out in accordance with the provisions of Chapter 15 of GB/T7261-2000. 6.21 When testing 5.25, the test shall be carried out in accordance with the provisions of Chapter 24 of GB/T7261-2000. 7 Inspection rules
The enterprise product standard shall be in accordance with the provisions of JB/T9568-2000. 8 Marking, labeling and instruction manual
The enterprise product standard shall be in accordance with the provisions of JB/T9568-2000. 9 Packaging, transportation and storage
The enterprise product standard shall be in accordance with the provisions of JB/T7828-1995. Completeness of supply
10.1 Documents supplied with the product
The following documents shall be supplied with the factory products: a) Quality certification documents, and if necessary, factory inspection records; Product manual (can be provided according to the supply batch); b)
Product installation diagram (can be included in the product manual); c)
d) Product schematic diagram and wiring diagram (can be included in the product manual); e) Packing list.
10.2 Accessories supplied with the product
Accessories supplied with the product shall be indicated in the relevant documents, generally including: a) Consumable parts and consumable components: bzxZ.net
b) Product accessories:
c) Spare parts and spare parts specified in the contract.
11 Quality Assurance
Unless otherwise specified, if the user fully complies with the transportation, storage, installation and use requirements specified in this standard, product standards and product manuals, the manufacturer shall be responsible for free repair or replacement of the relay and its accessories if they are found to be damaged within two years from the date of shipment. 6
People's Republic of China
Mechanical Industry Standard
Electrical Speed Signal Device
JB/T6514—2002
Published and distributed by Machinery Industry Press
No. 22, Baiwanzhuang Street, Beijing
Postal Code: 100037
Format 890mm×1240mm1/16?1 Printing Sheet·17,000 Words December 2002 1st Edition No. 1 Printing time
Price: 12.00 yuan
Book number: 15111·7139
Website: http://www.cmpbook.comEditorial department phone: (010) 88379779
(010 88379693
Direct sales center phone:
All copies without anti-counterfeiting mark on the cover are pirated
Copyright reserved
Infringements will be investigated24 hours, according to the provisions of Chapter 15 of GB/T7261-2000. 6.21 Test 5.25 hours, according to the provisions of Chapter 24 of GB/T7261-2000. 7 Inspection rules
According to the enterprise product standards according to the provisions of JB/T9568-2000. 8 Marking, labeling and instruction manual
According to the enterprise product standards according to the provisions of JB/T9568-2000. 9 Packaging, transportation and storage
According to the enterprise product standards according to the provisions of JB/T7828-1995. Completeness of supply
10.1 Documents supplied with the product
The following documents shall be supplied with the factory products: a) Quality certification documents, and if necessary, factory inspection records; Product manual (can be provided according to the supply batch); b)
Product installation diagram (can be included in the product manual); c)
d) Product schematic diagram and wiring diagram (can be included in the product manual); e) Packing list.
10.2 Accessories supplied with the product
Accessories supplied with the product shall be indicated in the relevant documents, generally including: a) Consumable parts and consumable components:
b) Product accessories:
c) Spare parts and spare parts specified in the contract.
11 Quality Assurance
Unless otherwise specified, if the user fully complies with the transportation, storage, installation and use requirements specified in this standard, product standards and product manuals, the manufacturer shall be responsible for free repair or replacement of the relay and its accessories if they are found to be damaged within two years from the date of shipment. 6
People's Republic of China
Mechanical Industry Standard
Electrical Speed Signal Device
JB/T6514—2002
Published and distributed by Machinery Industry Press
No. 22, Baiwanzhuang Street, Beijing
Postal Code: 100037
Format 890mm×1240mm1/16?1 Printing Sheet·17,000 Words December 2002 1st Edition No. 1 Printing time
Price: 12.00 yuan
Book number: 15111·7139
Website: http://www.cmpbook.comEditorial department phone: (010) 88379779
(010 88379693
Direct sales center phone:
All copies without anti-counterfeiting mark on the cover are pirated
Copyright reserved
Infringements will be investigated24 hours, according to the provisions of Chapter 15 of GB/T7261-2000. 6.21 Test 5.25 hours, according to the provisions of Chapter 24 of GB/T7261-2000. 7 Inspection rules
According to the enterprise product standards according to the provisions of JB/T9568-2000. 8 Marking, labeling and instruction manual
According to the enterprise product standards according to the provisions of JB/T9568-2000. 9 Packaging, transportation and storage
According to the enterprise product standards according to the provisions of JB/T7828-1995. Completeness of supply
10.1 Documents supplied with the product
The following documents shall be supplied with the factory products: a) Quality certification documents, and if necessary, factory inspection records; Product manual (can be provided according to the supply batch); b)
Product installation diagram (can be included in the product manual); c)
d) Product schematic diagram and wiring diagram (can be included in the product manual); e) Packing list.
10.2 Accessories supplied with the product
Accessories supplied with the product shall be indicated in the relevant documents, generally including: a) Consumable parts and consumable components:
b) Product accessories:
c) Spare parts and spare parts specified in the contract.
11 Quality Assurance
Unless otherwise specified, if the user fully complies with the transportation, storage, installation and use requirements specified in this standard, product standards and product manuals, the manufacturer shall be responsible for free repair or replacement of the relay and its accessories if they are found to be damaged within two years from the date of shipment. 6
People's Republic of China
Mechanical Industry Standard
Electrical Speed Signal Device
JB/T6514—2002
Published and distributed by Machinery Industry Press
No. 22, Baiwanzhuang Street, Beijing
Postal Code: 100037
Format 890mm×1240mm1/16?1 Printing Sheet·17,000 Words December 2002 1st Edition No. 1 Printing time
Price: 12.00 yuan
Book number: 15111·7139
Website: http://www.cmpbook.comEditorial department phone: (010) 88379779
(010 88379693
Direct sales center phone:
All copies without anti-counterfeiting mark on the cover are pirated
Copyright reserved
Infringements will be investigated
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