
Test ability
- Categories:Testing Detection
- Time of issue:2021-03-23 18:05:17
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The company has the test and detection capabilities of switch type 550kV/63kA and below large-capacity test, 1200kV and below AC and DC insulation test, 16000A temperature rise test, mechanical test, environmental test, electromagnetic compatibility test, etc., as well as all types of transformer products of 35kV and below Test ability.
1. Capacity test
(1) Main equipment information |
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Serial number |
Equipment name |
Main Specifications |
Serial number |
Equipment name |
Main Specifications |
1 |
Short-circuit test transformer |
Short-circuit capacity 1650MVA |
8 |
Auxiliary circuit breaker |
550kV / 63kA |
2 |
Dynamic thermal stability test transformer |
Short-circuit capacity 310MVA |
9 |
Full voltage closing device |
Single DC 250kV |
3 |
Synthetic test system |
DC 720kV |
10 |
Capacitive load |
40.5kV/400A |
4 |
measuring system |
AMO and CY measurement system (14bit) |
11 |
Near-zone faulty equipment |
420kV |
5 |
Protection circuit breaker |
12kV/125kA |
12 |
Shunt |
80kA |
6 |
Main ignition system |
DC 720kV |
13 |
Injection timer |
Control accuracy: 2us |
7 |
Arc extension device |
DC 60kV |
14 |
Timing controller |
Control accuracy: 0.1ms |
(2) Detection ability |
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Serial number |
Test type |
Test ability |
Serial number |
Test type |
Test ability |
1 |
Direct test |
Three-phase 12kV/50kA, 40.5kV/16kA |
4 |
Transformer capacity test |
35kV / 3150kVA |
2 |
Synthetic test |
Three-phase 252kV/50kA, single-phase 420kV/63kA |
5 |
Capacitive current switching |
Three-phase 40.5kV/400A, single-phase 363kV/1000A |
3 |
Dynamic thermal stability test |
Single-phase 100kA/4s, three-phase 63kA/4s |
6 |
Small capacitive and small inductive current switching |
1100kV/2A |
(3) Application areas |
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Covers type testing of high-voltage electrical products such as circuit breakers, isolation/grounding switches, combined electrical appliances, mutual inductors, distribution transformers, switch cabinets, load switches, fuses, ring network cabinets, JP cabinets, pole circuit breakers, box-type substations, etc. , Performance test, sampling test and research test. |
Capacity laboratory and test equipment
2. Insulation test
(1) Main equipment information |
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Serial number |
Equipment name |
Main Specifications |
Serial number |
Equipment name |
Main Specifications |
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1 |
Power frequency voltage test device |
1800kV/3600kVA |
6 |
Impulse voltage generator |
800kV/60kJ |
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2 |
Power frequency voltage test device |
1200kV/4800kVA |
7 |
Partial discharge test system |
0.1~100000pC |
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3 |
Power frequency voltage test device |
600kV/1200kVA |
8 |
Electromagnetic interference receiver |
0~120dBμV |
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4 |
DC voltage generator |
2000kV/30mA |
9 |
Intelligent X-γ Radiometer |
0.01~3000μSv/h |
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5 |
Impulse voltage generator |
4800kV / 720kJ |
10 |
Wet pressure device |
Range: 20×25m |
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(2) Detection ability |
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Serial number |
Test type |
Test ability |
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1 |
Insulation performance |
1200kV and below high voltage electrical products power frequency withstand voltage, DC withstand voltage, lightning impulse withstand voltage, operation impulse withstand voltage, partial discharge measurement, radio interference measurement, X-ray measurement and other insulation performance tests; background noise for partial discharge testing in double-layer shielding halls Less than 0.5pC. |
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(3) Application areas |
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The detection range covers high-voltage circuit breakers, isolation/grounding switches, combined electrical appliances, high-voltage cable tap switches, compact switchgear sets, high-voltage bypass switches, high-voltage transfer switches, high-voltage load switches, automatic reclosers, automatic sectioning devices, and sets Type test, performance test, research test and sampling test of high-voltage electrical products such as pipes, transformers, fuses, high-voltage switch cabinets, ring network cabinets, pole-mounted circuit breakers, pre-installed substations, distribution transformers, etc. |
(1) Main equipment information |
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Serial number |
Equipment name |
Main Specifications |
Serial number |
Equipment name |
Main Specifications |
1 |
High voltage switch mechanical characteristic tester |
Sampling frequency 100Hz~15kHz, recording time>240s |
7 |
Main loop resistance tester |
0~20mΩ |
2 |
High-voltage switch mechanical life test bench |
Independent 24 channels |
8 |
SF6 gas leak detector |
0 999μL / L |
3 |
Single-phase temperature rise test system |
2500kVA/25000A |
9 |
Precision dew point meter |
-80~20℃ |
4 |
Three-phase multi-magnetic circuit temperature rise test system |
200kVA / 6300A |
1 0 |
Sound level meter |
30~130dB |
5 |
Three-phase temperature rise test system |
90kVA/2500A |
11 |
Programmable variable frequency power supply |
90kVA/ |
6 |
DC temperature rise test system |
300kVA/10000A |
12 |
Power analyzer |
0~1000V/ |
(2) Detection ability |
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1 |
Temperature rise test for high and low voltage electrical equipment of 1100kV and below: three-phase AC 6300A/50Hz, single-phase AC 25000A/50Hz, DC 10000A. |
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2 |
1100kV and below high-voltage electrical equipment mechanical test, sealing test, loop resistance measurement, terminal static load test, gas humidity measurement and other test capabilities |
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(3) Application areas |
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The detection range covers high-voltage circuit breakers, isolation/grounding switches, combined electrical appliances, high-voltage cable tap switches, compact switchgear sets, high-voltage bypass switches, transfer switches, high-voltage load switches, automatic reclosers, automatic sectioning devices, and bushings Type test, performance test and research of high and low voltage electrical equipment such as, transformers, fuses, high voltage switch cabinets, ring network cabinets, pole-mounted circuit breakers, prefabricated substations, distribution transformers, low voltage switch cabinets, JP cabinets, etc. Test and sampling test. |
Mechanical and temperature rise laboratory and test equipment
(1) Main equipment information |
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Serial number |
Equipment name |
Main Specifications |
Serial number |
Equipment name |
Main Specifications |
1 |
High and low temperature test chamber |
-55~+150℃; |
7 |
Condensation test chamber |
0~99%RH |
2 |
Electric vibration test bench |
5~2500Hz;100g |
8 |
Anti-drenching and splashing water test device (swing pipe) |
Water spray ring radius: R1600mm; |
3 |
Walk-in sand and dust test chamber |
2 ~ 4kg / m3; 2L / S |
9 |
Anti-sprinkling and splashing water test device (sprinkler) |
Water pressure: 50~150kPa |
4 |
Climate protection test device |
5mm / min |
10 |
Anti-spraying test device (hose nozzle) |
12.5 / 100L / min |
5 |
Mechanical impact test device |
20J |
11 |
IP test tool |
Diameter 1.0 /2.5/12/50mm; thrust 1/3/10/50N |
6 |
Spring striker |
2J |
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(2) Detection ability |
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Serial number |
Test type |
Test ability |
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1 |
Alternating damp heat, constant damp heat, high and low temperature test |
-55~+85℃ |
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2 |
Vibration test |
Frequency 5~2500Hz |
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3 |
Impact, collision |
Acceleration 100g |
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4 |
Protection level verification |
IP, IK code |
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5 |
Condensation test |
40.5kV and below equipment |
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(3) Application areas |
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The inspection scope covers the type test, performance test, research test and random inspection test of high and low voltage switchgear, substation protection, control, monitoring equipment and electrical and electronic products. |
Environmental testing equipment
(1) Main equipment information |
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Serial number |
Equipment name |
Main Specifications |
Serial number |
Equipment name |
Main Specifications |
1 |
Multifunctional immunity generator |
250~4400V, 1kHz~1MHz |
6 |
Lightning surge/pulse magnetic field immunity test system |
250~6300V |
2 |
Damped oscillating wave/damped magnetic field test system |
200~3000V |
7 |
Programmable AC and DC power supply |
0 ~ ± 400 V |
3 |
Electrostatic discharge generator |
Air discharge: 2~16kV, contact discharge: 2~10kV |
8 |
Radio frequency conduction immunity test system |
100kHz~250MHz; |
4 |
Transverse electromagnetic wave transmission room |
9kHz~1.2GHz |
9 |
EMI test receiver |
9kHz~1.0GHz |
5 |
Compound log periodic antenna |
30MHz~1.0GHz |
10 |
Artificial power network |
9kHz~30MHz |
(2) Detection ability |
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1 |
EMC testing of auxiliary and control equipment for high and low voltage switches of 1100kV and below |
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2 |
Substation protection, control, monitoring equipment and EMC testing of electrical and electronic products |
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(3) Application areas |
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The inspection scope covers the type test, performance test, research test and random inspection test of high and low voltage switchgear, substation protection, control, monitoring equipment and electrical and electronic products. |
Electromagnetic compatibility laboratory and test equipment
6. DC test
(1) Main equipment information |
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Serial number |
Equipment name |
Main Specifications |
1 |
Comprehensive test platform for DC breaking |
Maximum breaking current: 25kA; |
2 |
RT-LAB simulation platform |
Simulation platform: OP5600; |
3 |
Medium and low pressure dynamic model test platform |
Rated DC voltage: DC 10kV and DC 750V; |
4 |
Battery charging and discharging integrated machine |
110V/100A; |
5 |
Battery internal resistance tester |
0 ~ 99.999mΩ ; |
(2) Detection ability |
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Serial number |
Test type |
Test ability |
1 |
DC breaking test |
25kA ; |
2 |
Medium and low pressure dynamic model test |
DC 10kV and DC 750V; |
3 |
System simulation test |
Real-time simulation of AC/DC hybrid distribution network system; |
4 |
Battery performance consistency test |
Consistency detection of weight, open-circuit terminal voltage and capacity |
5 |
Accelerated charge-discharge cycle life test of battery with high current |
2~110V, 0~100A fast charge and discharge test; |
(3) Application areas |
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DC circuit breakers, DC load switches, converter valves, DC power electronic transformers, energy routers, medium and low voltage direct flow model tests, real-time simulation of AC and DC hybrid distribution network systems, battery performance testing, etc. |
DC laboratory and test equipment
7. Electrical insulating oil test
(1) Main equipment information |
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Serial number |
Equipment name |
Main Specifications |
Serial number |
Equipment name |
Main Specifications |
1 |
Insulating oil dielectric strength tester |
0~80kV |
6 |
Automatic water-soluble acid tester |
PH3.8~7.8 |
2 |
Insulating oil frequency conversion anti-interference dielectric loss and volume resistivity tester |
0.00001~100 |
7 |
Oil acid value automatic tester |
0.001~2mg KOH/g |
3 |
Insulating oil trace moisture tester |
0μg~200mg H2O |
8 |
Automatic closed flash point tester |
0~400℃ |
4 |
Automatic interface tension meter |
0~200mN/m |
9 |
Insulating oil gas content tester |
Repeatability <10% |
5 |
Oil Chromatography Analyzer |
Detection limit≤8×10-13g/s, baseline noise≤2×10-13A, baseline drift≤1×10-12A/30min |
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(2) Detection ability |
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Breakdown voltage, dielectric loss factor, water content, dissolved gas component content, gas content, water-soluble acid, acid value, flash point (closed), interfacial tension and other complete oil testing capabilities. |
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(3) Application areas |
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Electrical insulation oil test. |
Insulating oil test room and test equipment
8. Reliability test
(1) Main equipment information |
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Serial number |
Equipment name |
Main Specifications |
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1 |
Series resonance test device |
1200kV / 4A |
|
2 |
Through core current generator |
8800 A /0.42 kV |
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(2) Detection ability |
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Serial number |
Test type |
Test ability |
|
1 |
Insulation performance |
Long-term live test of AC and DC insulation performance of high voltage switchgear of 1100kV and below, voltage: 1200kV, current 8800A |
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2 |
Mechanical behavior |
Appraisal of mechanical performance, fatigue and aging performance of high voltage switchgear of 1100kV and below. |
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(3) Application areas |
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The detection range covers the long-term reliability assessment of the electrical and mechanical properties of high-voltage switchgear at 1100kV and below. |
Outdoor high voltage switch reliability test platform
The company actively responds to the standardization of power grid material quality inspection capabilities. In the power grid material detection capabilities such as switches and coils, the detection capabilities have reached a relatively strong level.
Serial number |
Material name |
grade |
Serial number |
Material name |
grade |
1 |
Distribution transformer |
Class A |
11 |
High voltage switch cabinet |
Class A |
2 |
Reactor (35kV and below) |
Class A |
12 |
Ring network cabinet |
Class A |
3 |
Current transformer (35kV and below) |
Class A |
13 |
JP cabinet |
Class B |
4 |
Electromagnetic voltage transformer (35kV and below) |
Class A |
14 |
Circuit breaker (35kV and below) |
Class A |
5 |
Capacitor voltage transformer (35kV and below) |
Class B |
15 |
On-post switchgear |
Class A |
6 |
Lightning arrester (35kV and below) |
Class A |
16 |
Isolating switch (35kV and below) |
Class A |
7 |
Capacitor (35kV and below) |
Class C |
17 |
10kV cable branch box |
Class A |
8 |
Arc suppression coil (35kV and below) |
Class A |
18 |
0.4kV cable branch box |
Class B |
9 |
American box-type substation |
Class A |
19 |
low voltage switch box |
Class B |
10 |
European-style box-type substation |
Class A |
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Testing Detection
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Test ability
Contact Us
Telephone:+86-375-3507129
Fax:+86-375-3507115
E-mail:hgwtbl@vip.com
Zip Code:467000
Address: East of Intersection of Fuxing Road and Meiyuan Road, Xincheng District, Pingdingshan City, Henan Province

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