Product Details
54kV 54KVA AC High Voltage Resonant Test System for 10kV 35KV
Cables
This series devices are designed for AC withstand voltage test of
substation primary equipment under 550KV or below, mainly composed
of variable-frequency power supply, exciting transformer, reactor
and capacitive Voltage divider
Features:
1. rated voltage:
27kV--- meets AC withstand voltage test of 10kV cable
working frequency 30-300Hz
Test voltage is not more than 22kV, test time is 5min;
54kV--- meets AC withstand voltage test of 35kV cable
Working frequency 30-300Hz
Test voltage is not more than 52kV, the test time is 60min;
2. output voltage waveform distortion rate: <1.0%
3. allow continuous working hours: one time working for 60 minutes
under rated conditions;
4. Quality factor of the device: Q > 30 (f=45Hz)
5. device output waveform: sine wave
6. input power supply: three phase 380V or single phase 220V
7. frequency regulation range: 30Hz ~ 300Hz
8. system measurement precision: 1.5%
9. over voltage, over current, zero start and other protection
functions.
COMPOSITION
1. Frequency conversion power supply
(1) rated power: 3kW
(2) Input voltage: three phase 380V or single phase 220V + 5% 50Hz
(3) output voltage: 0 ~ 400V
(4) Output voltage frequency: 30 ~ 300Hz
(5) 0.1Hz regulation step
(6) Frequency instability is less than 0.02%
(7) Output current: 0 ~ 7.5A
2. High voltage reactor (2 units)
(1) rated working voltage: 27kV (2) rated working current: 1A (3) rated inductance: 110H (4) Continuous working time: 60min (5) Temperature rise: less than 65ºc (6) Working frequency: 30~300Hz |
3. excitation transformer
(1) rated capacity: 3kVA (2) input voltage: 400V (3) output voltage: 1.5/3kV (4) output current: 2/1A |
4. capacitance divider (1 units)
(1) self capacitance: 1500pF (2) rated voltage: 60kV (3) working frequency: 30 ~ 300Hz (4) uncertainty: 1.5% (5) Rated voltage: 60kV/1500pF |
5. test line (1 sets)
Configuration Test object | Reactor 2 sections 27kVA/27kV | Excitation transformer output terminal | Test voltage(kV) |
35kV/300mm²/0.4km
| Series connection | 3kV | ≤52kV |
10kV/300mm²Cable 1km
| Parallel connection | 1.5kV | ≤22kV |
Company Profile
About GDZX
Wuhan GDZX Power Equipment Co.,Ltd. is located in Wuhan, China,
covering an area of 50 acres, with 6,000 m2 of factory space and
12,000 m2 of office buildings. We specialize in power testing
equipment, engineering services, equipment commissioning,
operations and maintenance testing, calibration, energy-saving and
environmental protection equipment, and power sales. Our integrated
solutions provide complete high-voltage testing and electrical
inspection services to various power users.
Guodian Zhongxing integrates R&D, production, sales and
service, and provides complete solutions for high voltage testing
and electrical testing services for all types of power users. It is
a well-known brand of electrical testing equipment in China.
The six major categories of products independently developed and
produced by the company are mainly used in the handover test,
preventive test, condition maintenance and intelligent substation
detection of various voltage levels of power equipment in all links
of the power system from power generation, transmission and
distribution to distribution, factory inspection and annual
inspection of primary equipment. Specifically divided into: high
voltage/ultra-high voltage/ultra-high voltage AC and DC test
equipment series, mobile power test intelligent integrated system,
transmission and transformation test instrument, power
metering/standard series, SF6 gas/oil test series, battery test
series. All products have passed the inspection or type test of the
"National Power Industry Electrical Equipment Quality Inspection
and Testing Center"; and obtained the calibration certificate of
the "National High Voltage Metering Station".