Some standard content:
ICS 25.220.70
Machinery Industry Standard of the People's Republic of China
IB/T9192--1999
Power for plasma spray welding
Power for plasma surfing
1999-06-28 Issued
National Machinery Industry Standard
2000-01-01 Implementation
JB/T9191-1999
This standard is in accordance with the provisions of ZBJ64015-89. Compared with ZB.64015-59, the main technical content of this standard has been changed as follows: - GB15579-1995 has been added to the lead standard;
- The original reference standard ZBJ64003-B7 has been abolished and replaced by JB/T7835-1995. According to the provisions of Chapter 5 of JB/T78351995, the contents of 4.2, 4.3, 5.1 and 5.2 have been modified; according to the provisions of Chapter 7 of JB/78351995, the content of 7.1 has been modified; ... According to the revised content of JD/T7835, 6.8 of the standard and the original serial numbers 4, 11, 12, and 13 in Table 2 have been deleted. This standard replaces ZB564015-89 from the date of implementation. This standard is issued by the National Metal and Non-metal Standardization Technical Committee and is under the jurisdiction of the Technical Standard Drafting Unit: Wuhan Institute of Material Protection. The main drafters of this standard are Tong Xiang and Chang Zubao. UK
China Machinery Industry Standard
Plasma Spray Welding Power
Power for plasma welding
This standard specifies the technical performance requirements and use conditions of plasma welding power 1B/T9192-199
Generation Z J64015-89
This standard is applicable to the special silicon rectifier welding power supply matched with isoelectric spray equipment, and is also applicable to the power supply for plasma spray welding by modifying the rectifier arc welding machine: other types of rectifier arc welding machines, all of which use plasma spray, should also be used in conjunction with this standard. 2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard by being cited in this standard. When this standard is published, the version shown is effective. All other standards will be revised. All parties using this standard should explore the possibility of using the following standards in accordance with the latest version. 18-15 General technical conditions for electric welding
GH 15579 -JW5
JB/T7835--[99S
3 Power supply specifications and basic parameters
Safety requirements for welding equipment Part 1: Welding arc welding equipment
Power supply specifications and basic parameters are shown in the table [
Power supply potential
No-load voltage: 90V;
Assigned connection
Load duration: 100%:
TWorking cycle: continuous.
Guohao Machinery Industry Bureau approved the new standard on 9-06-28.
The power supply has good performance.
2000-01-01 implementation
Use environment conditions
4.1 The altitude shall not exceed 1(m,
JB/T9192-1999
4.2 Air humidity: 50% at 40°C, more than 0% at 20°C. 4.3 The ambient air temperature shall not exceed the following temperature limits: a) During welding, 10-40%; b) During transportation and initial storage, 25-5%; 4.4 The use of power supply shall strictly avoid the use of steam, chemical deposition, dust, two common kitchen substances, and rising and falling materials.
5 Power supply requirements
5 The power supply network of the power supply should be rated frequency 50Hz2, single phase or = cabinet AC. Its rated voltage is 220V or 380V5.2 Power supply quality conditions of the power grid:
Three-phase power supply! Unbalance rate is less than 5%:
b) Power fluctuation of the power grid is less than +10%
=) The power supply voltage waveform should be a real static wave, and the frequency fluctuation is less than +2%: Technical conditions
6.1 The power supply should have a shutdown function for starting the cooling fan. 6.2 The power supply can work normally under the power supply requirements: 6.3 The power supply shall have a one-phase current asymmetry rate and meet the following requirements. Under the actual conditions of the power supply network, for a given welding current, the absolute difference between the phase current and the non-phase current shall not be greater than 10% of the average value.
6.4 The temperature rise limit shall comply with the provisions of 7.3 of GB5579..1995. 6. Current adjustment and variation
6.5.1 The connecting current shall be guaranteed to be adjusted within the range of maximum and minimum values. The welding current shall not be greater than 10% of the rated welding current and the maximum connecting current shall not be less than the rated welding current. 6.5.2 The current adjustment shall be stepless and can be continuous. 6.5.3 When the primary voltage is a set value and the voltage meets the corresponding provisions in Table 1, for any welding current set within the current adjustment range, the change rate of the welding current caused by temperature or other variations should not be less than ±5%. 6.5.4 For any welding current set within the current setting range, when the voltage is 10% of the rated voltage, the welding current should not be greater than +5%:
6.5.5 The current detector device can be placed in the power supply: or in the control cabinet. 6.5.6 The power supply should have a reliable welding current or voltage indicator, and its current or voltage scale indication should be accurate to -10% of the value. If a welding current or voltage meter is installed, its accuracy should not be less than 25 levels. 6.6 Adjustment of current increase and decrease 6.6.1 The current regulating device should have the function of current initial increase and current automatic attenuation. 6.6.2 The current increase rate should be continuously adjusted within the range of 50-300A/s. The current reduction rate should be adjusted within the range of 25-15045. 6.6.3 The current increase rate and current full current rate should be constant with a value of 6.6.4 The current and current attenuation rate adjustment knob can be placed on the power supply panel or on the control cabinet. 6.? Under the requirements of the user. The micro-current range adjustment table can be set. The current increase value should be adjustable. The maximum increase value should be 1.5 times of the set welding current.
6.8 The no-load current of the main transformer in the power supply shall not exceed 10% of the rated primary current. 6.9 When the initial current is the rated value and within the rated current adjustment range: the power supply static characteristic curve shall have a slope of more than 0A and shall be smooth and continuous. The ratio of the short-circuit current to the welding current shall always comply with the formula (1) Fua
6.10 Dynamic resistance
0.10, used as a non-transfer power supply, when the current is adjusted to 50% of the rated value, a high-frequency combustion is generated, and its transient current value does not exceed 1.5 times the rated value, and the duration is less than 0.19 6.10.2 When used as a transfer power source, when the cut-off voltage is the rated value, the working voltage meets the requirements of the table, and the current setting value is SU% of the rated value: the arc flame of the non-transferred arc is used to ignite the arc, and its normal current width should not exceed 0.5 of the rated value. When there is a current impact during the transfer arc ignition, it is not subject to this restriction, but a selector switch must be installed on the power supply or control box panel. 6.10.3 When used as a non-transferred current power source, with the help of commercial ignition, in the plasma: the gun and the technical parameters are adjusted to the positive value. Under normal conditions of high-frequency sparks, it should be able to ignite the arc with a high voltage, and the average time of 10 arc ignitions should be less than or equal to 0.5s, 6. 10.4 Within the specified voltage regulation range, the steady-state welding current ripple rate when connected to a non-inductive resistor should not be greater than 25%. a) The current ripple rate is calculated according to formula (2): -12mlmx100%
12m.+12mi
Where: ..—Welding current peak value. A: One welding current drop value, A,
b) The schematic diagram of the current ripple is shown in Figure 1. Welding current is uniform: A,
Figure! Welding current ripple diagram
JB/921
6. II The control operation of the power source and the control method (implementation: The needle can be installed in the control The power supply should be equipped with a control socket on the board. Details: The control switch and control button (rotary) knob set on the power supply should be centrally installed on the power supply surface. All control panels on the power supply control panel should have clear and permanent markings. Except for the flame retardant filter, all electrical connections should be well placed.
6.12 The structure of the power supply should ensure sufficient strength and width, and be easy to operate and maintain. The internal components should be firmly installed, and all fasteners should have anti-loosening features:
6.13 The power supply should have a reliable lifting and moving device: The load that the transport device can bear should not be less than 2.5 times the weight of the power supply. 6.14 Safety protection should comply with the provisions of Chapter 6 of B/T78351995. 15 The product layer should be flat, smooth, uniform in thickness, and free of light lines, bubbles and peeling. Test methods and acceptance regulations
7.1 Instrument accuracy and load resistance selection
Ammeter, voltmeter and power meter: 0.5 level: semiconductor total thermometer: 10.5K:
Load resistance: dynamic series resistance is not less than 0.99, 7.2 Meter type
The instrument should be correctly selected according to the current or current ripple condition. For rectified current with a ripple factor greater than 10%, use a variable-length effective value meter to measure the mean square value: for rectified current with a ripple factor less than 10%, use a DC ammeter to measure the average value. 7.3 Test classification
7.3.1 Type test
After manufacture, each power supply must be tested according to the items specified in 74.1 to determine whether the product quality meets the requirements. 7.3.2 Type test
Select a representative power supply from the company's model power supply and conduct a comprehensive performance test according to the provisions of 7.4.2 to determine whether the product design and manufacturing quality meet the comprehensive technical requirements. Type tests shall be carried out for any of the following situations, with at least two original units being tested each time: a) New power supply under trial production: b) Power supply that has undergone major modifications: There are major changes in design, process and use of materials: ) Power supply that has been put into production, during the first production: e) The inspection test results of the power supply shall show a small difference from the previous type test results; Regular inspections shall be carried out for mass production, at least once every two years. 7.4 Test items and requirements 7.4.1 Inspection test Each power supply shall be inspected and tested according to the items in Table 2. Except for items 6-10, it shall be operated under a certain load (continuous load) for 051 seconds. The test can be carried out only if no abnormality occurs. The insulation resistance, dielectric strength, positive load, current indication, current speed increase and power supply speed change shall be checked and tested. 7.4.2 Type 4 test IB/T 9192—1999
Table matching quality, various signs and brands 1. The reporting requirements meet the two options and 1579 requirements in 5.1.1 of 15574-1995
915579—1995 +5.1.5
Meet the product design requirements
Meet the 0.9 standard
Meet the 6.5 standard
Meet the 6.5.6 provisions
Meet the 6.6 provisions
Meet the 6.3 provisions
Specially meet the 6.11.1: 6.11.2 and 6.7 provisions
In addition to all the inspection test items, the performance test items listed in Table 3 shall also be carried out. The annual and monthly impact test must meet the requirements of this standard. If the initial test fails, an additional number of products will be sampled for retest. If the retest is passed, the company's products are considered to meet the standards: if there is still one product that is not a joint venture in the test, the batch of products is considered to be non-compliant with the standards, 3
Dynamic Special
Current Pulse
Strong Performance
Source Current Cold State Change Bao
Welding Poison Current Control Qualitative
7. 5.5 Test Methods
7.5.1 No-load Test
(7.3 in H1.5574-1995)
Conform to product design indicators
Conform to product design indicators
Conform to 6.10
Conform to 611
Conform to 6.11.4
Conform to 6.11.3
Conform to 6.3.3
Conform to 6.5.3 and 4.5.4
The no-load test of the power supply refers to the rated voltage and rated power of the input terminal, and the output terminal is not connected to the load, and the no-load output back voltage, no-load input current and no-load input power of the whole machine are measured. 7.5.1.1 No-load power effective determination:
The external resistance is 5k/2+S% Use a level 1 effective value meter to measure under the condition, JB/T9192—1999
7.5.1.2 No-load current! Peak value is measured by using the line diagram in Figure 2, IK
Figure 2 shows the peak value
current: A pressure meter indicates the value with an accuracy of +1%: The selected range is always possible to connect to this test, the internal resistance of the circuit is limited to 1M2, and the error of the value of each element in the measurement circuit is prohibited to exceed 5%. When measuring, the potentiometer changes between 52 and 0.2-5.22. The peak value of the load must be measured, and the conversion is flat. 7.5.1.3 The determination of other no-load parameters is carried out in accordance with the relevant provisions of GDBt1, 5.2. The other items have been tested in accordance with the relevant provisions of GB81B. Labeling, packaging, transportation and storage
8. Marking
8.1 Each power supply shall be provided with a product nameplate in an appropriate and obvious place, and the nameplate style and internal design shall comply with the provisions of [557]. The following shall include:
a) Manufacturer's name:
b) Product name;
Product model:
d) Primary voltage, V:
) Phase number and connection method:
1) Frequency, H2:
No-load current, V;
h) Current regulation range, A;
Determined load duration, %;
Determined rated working current, V:
k) Input capacity, kVA;
11 Power supply mode:
m) Insulation grade;
) Weight, kg:
nProduct number: www.bzxz.net
) Year and month of manufacture.
8.1.2 The output end of the product box shall be marked with "+" and "_" polarities, the housing port shall be nailed with a terminal label, and a power on/off indicator light shall be installed. If forced air cooling is used, except for single-use fans, the wind direction shall be indicated. The fan direction shall be: 8.1.3 The materials and manufacturing methods used for product nameplates and signboards shall be guaranteed to have clear handwriting within the period of use. 8.2 Packaging
8.2.1 The spare parts of the product shall be packed and secured in boxes to prevent damage or rupture during transportation. 8.2.2 Except for special circumstances, the user's consent shall be obtained. Unless otherwise packed in boxes, products must be packed in boxes throughout the day, and the opening and closing of the boxes must be exposed and the transport case must be included.
8.2.3 The following items should be marked on the box cover of the product:
Product name, model, factory number, net weight, gross weight, box dimensions, and the words "handle with care", "do not touch", "do not fall over", etc.) Packing code, month.
8.2.4 The technical documents supplied with the product by the production station include: a) Product certificate of conformity; b) Product instruction manual; c) Packing list.
8.3 Storage
8.3.1 The packaged products should be stored in a warehouse with a cloth roof. The relative humidity in the warehouse should not exceed 85%, the ambient temperature should be 25-55℃, and there should be no corrosive gas. 3. Products that need to be stored after unpacking and inspection should be repacked according to the original requirements:1 Inspection and test
Each power supply shall be inspected and tested according to the items in Table 2. Except for items 6-10, it shall be operated under a certain load (the load may be reduced to continuous load) for 051 seconds. Only when no abnormality occurs can the test be carried out. 4 Assembly quality inspection mark
Insulation resistance
Dielectric strength
Positive load
Electric paint energy saving technology and
Current indication field
Current speed increase and power supply speed change
This regulation model
Input current error rate
Retirement ratio current
7.4.2 Type 4 inspection
.IB/T 9192—1999
Table matching quality, various signs and brands 1. The reporting requirements meet the two options and 1579 requirements in 5.1.1 of 15574-1995
915579—1995 +5.1.5
Meet the product design requirements
Meet the 0.9 standard
Meet the 6.5 standard
Meet the 6.5.6 provisions
Meet the 6.6 provisions
Meet the 6.3 provisions
Specially meet the 6.11.1: 6.11.2 and 6.7 provisions
In addition to all the inspection test items, the performance test items listed in Table 3 shall also be carried out. The annual and monthly impact test must meet the requirements of this standard. If the initial test fails, an additional number of products will be sampled for retest. If the retest is passed, the company's products are considered to meet the standards: if there is still one product that is not a joint venture in the test, the batch of products is considered to be non-compliant with the standards, 3
Dynamic Special
Current Pulse
Strong Performance
Source Current Cold State Change Bao
Welding Poison Current Control Qualitative
7. 5.5 Test Methods
7.5.1 No-load Test
(7.3 in H1.5574-1995)
Conform to product design indicators
Conform to product design indicators
Conform to 6.10
Conform to 611
Conform to 6.11.4
Conform to 6.11.3
Conform to 6.3.3
Conform to 6.5.3 and 4.5.4
The no-load test of the power supply refers to the rated voltage and rated power of the input terminal, and the output terminal is not connected to the load, and the no-load output back voltage, no-load input current and no-load input power of the whole machine are measured. 7.5.1.1 No-load power effective determination:
The external resistance is 5k/2+S% Use a level 1 effective value meter to measure under the condition, JB/T9192—1999
7.5.1.2 No-load current! Peak value is measured by using the line diagram in Figure 2, IK
Figure 2 shows the peak value
current: A pressure meter indicates the value with an accuracy of +1%: The selected range is always possible to connect to this test, the internal resistance of the circuit is limited to 1M2, and the error of the value of each element in the measurement circuit is prohibited to exceed 5%. When measuring, the potentiometer changes between 52 and 0.2-5.22. The peak value of the load must be measured, and the conversion is flat. 7.5.1.3 The determination of other no-load parameters is carried out in accordance with the relevant provisions of GDBt1, 5.2. The other items have been tested in accordance with the relevant provisions of GB81B. Labeling, packaging, transportation and storage
8. Marking
8.1 Each power supply shall be provided with a product nameplate in an appropriate and obvious place, and the nameplate style and internal design shall comply with the provisions of [557]. The following shall include:
a) Manufacturer's name:
b) Product name;
Product model:
d) Primary voltage, V:
) Phase number and connection method:
1) Frequency, H2:
No-load current, V;
h) Current regulation range, A;
Determined load duration, %;
Determined rated working current, V:
k) Input capacity, kVA;
11 Power supply mode:
m) Insulation grade;
) Weight, kg:
nProduct number:
) Year and month of manufacture.
8.1.2 The output end of the product box shall be marked with "+" and "_" polarities, the housing port shall be nailed with a terminal label, and a power on/off indicator light shall be installed. If forced air cooling is used, except for single-use fans, the wind direction shall be indicated. The fan direction shall be: 8.1.3 The materials and manufacturing methods used for product nameplates and signboards shall be guaranteed to have clear handwriting within the period of use. 8.2 Packaging
8.2.1 The spare parts of the product shall be packed and secured in boxes to prevent damage or rupture during transportation. 8.2.2 Except for special circumstances, the user's consent shall be obtained. Unless otherwise packed in boxes, products must be packed in boxes throughout the day, and the opening and closing of the boxes must be exposed and the transport case must be included.
8.2.3 The following items should be marked on the box cover of the product:
Product name, model, factory number, net weight, gross weight, box dimensions, and the words "handle with care", "do not touch", "do not fall over", etc.) Packing code, month.
8.2.4 The technical documents supplied with the product by the production station include: a) Product certificate of conformity; b) Product instruction manual; c) Packing list.
8.3 Storage
8.3.1 The packaged products should be stored in a warehouse with a cloth roof. The relative humidity in the warehouse should not exceed 85%, the ambient temperature should be 25-55℃, and there should be no corrosive gas. 3. Products that need to be stored after unpacking and inspection should be repacked according to the original requirements:1 Inspection and test
Each power supply shall be inspected and tested according to the items in Table 2. Except for items 6-10, it shall be operated under a certain load (the load may be reduced to continuous load) for 051 seconds. Only when no abnormality occurs can the test be carried out. 4 Assembly quality inspection mark
Insulation resistance
Dielectric strength
Positive load
Electric paint energy saving technology and
Current indication field
Current speed increase and power supply speed change
This regulation model
Input current error rate
Retirement ratio current
7.4.2 Type 4 inspection
.IB/T 9192—1999
Table matching quality, various signs and brands 1. The reporting requirements meet the two options and 1579 requirements in 5.1.1 of 15574-1995
915579—1995 +5.1.5
Meet the product design requirements
Meet the 0.9 standard
Meet the 6.5 standard
Meet the 6.5.6 provisions
Meet the 6.6 provisions
Meet the 6.3 provisions
Specially meet the 6.11.1: 6.11.2 and 6.7 provisions
In addition to all the inspection test items, the performance test items listed in Table 3 shall also be carried out. The annual and monthly impact test must meet the requirements of this standard. If the initial test fails, an additional number of products will be sampled for retest. If the retest is passed, the company's products are considered to meet the standards: if there is still one product that is not a joint venture in the test, the batch of products is considered to be non-compliant with the standards, 3
Dynamic Special
Current Pulse
Strong Performance
Source Current Cold State Change Bao
Welding Poison Current Control Qualitative
7. 5.5 Test Methods
7.5.1 No-load Test
(7.3 in H1.5574-1995)
Conform to product design indicators
Conform to product design indicators
Conform to 6.10
Conform to 611
Conform to 6.11.4
Conform to 6.11.3
Conform to 6.3.3
Conform to 6.5.3 and 4.5.4
The no-load test of the power supply refers to the rated voltage and rated power of the input terminal, and the output terminal is not connected to the load, and the no-load output back voltage, no-load input current and no-load input power of the whole machine are measured. 7.5.1.1 No-load power effective determination:
The external resistance is 5k/2+S% Use a level 1 effective value meter to measure under the condition, JB/T9192—1999
7.5.1.2 No-load current! Peak value is measured by using the line diagram in Figure 2, IK
Figure 2 shows the peak value
current: A pressure meter indicates the value with an accuracy of +1%: The selected range is always possible to connect to this test, the internal resistance of the circuit is limited to 1M2, and the error of the value of each element in the measurement circuit is prohibited to exceed 5%. When measuring, the potentiometer changes between 52 and 0.2-5.22. The peak value of the load must be measured, and the conversion is flat. 7.5.1.3 The determination of other no-load parameters is carried out in accordance with the relevant provisions of GDBt1, 5.2. The other items have been tested in accordance with the relevant provisions of GB81B. Labeling, packaging, transportation and storage
8. Marking
8.1 Each power supply shall be provided with a product nameplate in an appropriate and obvious place, and the nameplate style and internal design shall comply with the provisions of [557]. The following shall include:
a) Manufacturer's name:
b) Product name;
Product model:
d) Primary voltage, V:
) Phase number and connection method:
1) Frequency, H2:
No-load current, V;
h) Current regulation range, A;
Determined load duration, %;
Determined rated working current, V:
k) Input capacity, kVA;
11 Power supply mode:
m) Insulation grade;
) Weight, kg:
nProduct number:
) Year and month of manufacture.
8.1.2 The output end of the product box shall be marked with "+" and "_" polarities, the housing port shall be nailed with a terminal label, and a power on/off indicator light shall be installed. If forced air cooling is used, except for single-use fans, the wind direction shall be indicated. The fan direction shall be: 8.1.3 The materials and manufacturing methods used for product nameplates and signboards shall be guaranteed to have clear handwriting within the period of use. 8.2 Packaging
8.2.1 The spare parts of the product shall be packed and secured in boxes to prevent damage or rupture during transportation. 8.2.2 Except for special circumstances, the user's consent shall be obtained. Unless otherwise packed in boxes, products must be packed in boxes throughout the day, and the opening and closing of the boxes must be exposed and the transport case must be included.
8.2.3 The following items should be marked on the box cover of the product:
Product name, model, factory number, net weight, gross weight, box dimensions, and the words "handle with care", "do not touch", "do not fall over", etc.) Packing code, month.
8.2.4 The technical documents supplied with the product by the production station include: a) Product certificate of conformity; b) Product instruction manual; c) Packing list.
8.3 Storage
8.3.1 The packaged products should be stored in a warehouse with a cloth roof. The relative humidity in the warehouse should not exceed 85%, the ambient temperature should be 25-55℃, and there should be no corrosive gas. 3. Products that need to be stored after unpacking and inspection should be repacked according to the original requirements:2 No-load power! Peak value is measured using the line diagram in Figure 2, IK
Figure 2 shows the peak value: A pressure gauge indicates the value with an accuracy of +1%: The selected measurement range may always be connected to this test, the internal resistance of the power supply is limited to 1M2, and the error of the value of each element in the measurement circuit is prohibited from exceeding 5%. When measuring, the potentiometer changes in the range of 52°C to obtain the peak value of the load level of 0.2-5.22°C. The conversion is performed at a low level. 7.5.1.3 The determination of other no-load parameters shall be carried out in accordance with the relevant provisions of GDBt1. 5.2 The other items have been tested in accordance with the relevant provisions of GB81B. Marking, packaging, transportation and storage
8. Marking
8.1 Each power supply shall have a designated product nameplate placed in an appropriate and obvious place, and the style and interior shall comply with the provisions of [557]. The items included are:
a) Manufacturing name:
b) Product name;
Product model:
d) Primary voltage, V:
) Number of phases and connection method:
1) Frequency, H2:
No-load current, V;
h) Current regulation range, A;
Rated load holding time, %;
Rated working current, V:
k) Input capacity, kVA;
11 Operating mode:
m) Record level;
) Weight, kg:
nProduct number:
) Year and month of manufacturing.
8.1.2 The output end of the product box shall be marked with "+" and "_" polarities, the housing port shall be nailed with a terminal label, and a power on/off indicator light shall be installed. If forced air cooling is used, except for single-use fans, the wind direction shall be indicated. The fan direction shall be: 8.1.3 The materials and manufacturing methods used for product nameplates and signboards shall be guaranteed to have clear handwriting within the period of use. 8.2 Packaging
8.2.1 The spare parts of the product shall be packed and secured in boxes to prevent damage or rupture during transportation. 8.2.2 Except for special circumstances, the user's consent shall be obtained. Unless otherwise packed in boxes, products must be packed in boxes throughout the day, and the opening and closing of the boxes must be exposed and the transport case must be included.
8.2.3 The following items should be marked on the box cover of the product:
Product name, model, factory number, net weight, gross weight, box dimensions, and the words "handle with care", "do not touch", "do not fall over", etc.) Packing code, month.
8.2.4 The technical documents supplied with the product by the production station include: a) Product certificate of conformity; b) Product instruction manual; c) Packing list.
8.3 Storage
8.3.1 The packaged products should be stored in a warehouse with a cloth roof. The relative humidity in the warehouse should not exceed 85%, the ambient temperature should be 25-55℃, and there should be no corrosive gas. 3. Products that need to be stored after unpacking and inspection should be repacked according to the original requirements:2 No-load power! Peak value is measured using the line diagram in Figure 2, IK
Figure 2 shows the peak value: A pressure gauge indicates the value with an accuracy of +1%: The selected measurement range may always be connected to this test, the internal resistance of the power supply is limited to 1M2, and the error of the value of each element in the measurement circuit is prohibited from exceeding 5%. When measuring, the potentiometer changes in the range of 52°C to obtain the peak value of the load level of 0.2-5.22°C. The conversion is performed at a low level. 7.5.1.3 The determination of other no-load parameters shall be carried out in accordance with the relevant provisions of GDBt1. 5.2 The other items have been tested in accordance with the relevant provisions of GB81B. Marking, packaging, transportation and storage
8. Marking
8.1 Each power supply shall have a designated product nameplate placed in an appropriate and obvious place, and the style and interior shall comply with the provisions of [557]. The items included are:
a) Manufacturing name:
b) Product name;
Product model:
d) Primary voltage, V:
) Number of phases and connection method:
1) Frequency, H2:
No-load current, V;
h) Current regulation range, A;
Rated load holding time, %;
Rated working current, V:
k) Input capacity, kVA;
11 Operating mode:
m) Record level;
) Weight, kg:
nProduct number:
) Year and month of manufacturing.
8.1.2 The output end of the product box shall be marked with "+" and "_" polarities, the housing port shall be nailed with a terminal label, and a power on/off indicator light shall be installed. If forced air cooling is used, except for single-use fans, the wind direction shall be indicated. The fan direction shall be: 8.1.3 The materials and manufacturing methods used for product nameplates and signboards shall be guaranteed to have clear handwriting within the period of use. 8.2 Packaging
8.2.1 The spare parts of the product shall be packed and secured in boxes to prevent damage or rupture during transportation. 8.2.2 Except for special circumstances, the user's consent shall be obtained. Unless otherwise packed in boxes, products must be packed in boxes throughout the day, and the opening and closing of the boxes must be exposed and the transport case must be included.
8.2.3 The following items should be marked on the box cover of the product:
Product name, model, factory number, net weight, gross weight, box dimensions, and the words "handle with care", "do not touch", "do not fall over", etc.) Packing code, month.
8.2.4 The technical documents supplied with the product by the production station include: a) Product certificate of conformity; b) Product instruction manual; c) Packing list.
8.3 Storage
8.3.1 The packaged products should be stored in a warehouse with a cloth roof. The relative humidity in the warehouse should not exceed 85%, the ambient temperature should be 25-55℃, and there should be no corrosive gas. 3. Products that need to be stored after unpacking and inspection should be repacked according to the original requirements:
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.