What conditions are required for agency of Grade 5 power testing qualification?
Read: 29 Published: 2019/10/18
Technical indicators:
Capacity: 5KVA
Input voltage: AC200V 50Hz
Input current: 25A
Output voltage: AC: 50KV DC: 70KV
Output current: AC: 100mA DC: 71.4 mA
Main parameters of control box:
Capacity: 5KVA
Input voltage: AC220V 50Hz
Input current: 22.7A
Output voltage: 0～250V
Output current: 0～20A
Environmental conditions:
Ambient temperature not higher than +45℃, not lower than —20℃;
Relative air humidity not greater than 90%;
Altitude not exceeding 2000 meters;
Product features:
1. 320×240 LCD display, high-speed thermal printer.
2. 4 measurement channels for high voltage, high current, low voltage, and low current, with high-precision sensors and high-performance 14-bit AD acquisition chip.
3. Human-machine dialogue with full keyboard operation, intelligent working process throughout, optional automatic or manual mode.
4. Real-time display of high voltage, high current, low voltage, low current, time, and withstand voltage result, clear and intuitive display.
5. Complete overvoltage and overcurrent protection, arbitrary setting of output voltage, high voltage current upper limit, low voltage current upper limit, and timing duration.
6. With return-to-zero detection function, test can only be performed after confirming return to zero, safe and reliable.
7. With insulation resistance test function, directly reflecting the insulation strength of the tested object.
8. Approaching voltage regulation algorithm, automatic withstand voltage timing after reaching set voltage, automatic voltage reduction and return to zero after timing ends.
9. Automatically cut off voltage output when exceeding set high voltage current or low voltage current, reduce voltage and return to zero, and sound and light alarm. 10. Excellent software and hardware anti-interference design, multiple anti-interference methods, adapting to harsh electromagnetic environments.
10. Automatic error diagnosis, easy to find and solve problems.
11. Optional wireless remote control function, remote communication, door interlock alarm bell, external voltage divider calibration interface, etc.
What conditions are required for agency of Grade 5 power testing qualification?
List of equipment for Grade 5 power equipment testing
|
No. |
Equipment name |
Unit |
Quantity |
Specification |
|
I |
High voltage generation equipment |
|||
|
1 |
DC high voltage generator |
Set |
1 |
DC: 60kV/2mA |
|
2 |
Power frequency withstand voltage test device |
Set |
1 |
AC: 5kVA/50kV |
|
3 |
Variable frequency series resonance test complete set |
Set |
1 |
75kVA/75kV/1A 30～300Hz |
|
II |
Electrical measuring instruments |
|||
|
1 |
Loop resistance tester |
Unit |
1 |
DC: ≥100A |
|
2 |
Three-phase relay protection tester |
Unit |
1 |
Three-phase voltage and current each 2 groups |
|
3 |
Transformer volt-ampere characteristic tester |
Unit |
1 |
500V/5A |
|
4 |
Ground resistance tester |
Unit |
1 |
|
|
5 |
Transformer DC resistance tester |
Unit |
1 |
DC: ≥10A |
|
6 |
Transformer ratio tester |
Unit |
1 |
Digital type 0.5 class |
|
7 |
Circuit breaker characteristic tester |
Unit |
1 |
|
|
III |
Common instruments and meters |
|||
|
1 |
Megohmmeter |
Piece |
1 |
DC: 2500V |
|
2 |
Megohmmeter |
Piece |
1 |
DC: 500V |
|
3 |
Digital double-clamp phase volt-ampere meter |
Piece |
1 |
Measurement current 1mA～5A |
