AC High Voltage Resonance Test Series 1.5% System Accuracy Three Phase 380V 50Hz 1350kVA 270KV

1350kVA 270KV AC High Voltage Resonant Test System for 110KV Substation 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;

135kV--- meets AC withstand voltage test of 110kV cable

Working frequency 30-300Hz

Test voltage is not more than 128kV, test time is 60 min;

270kV--- meets AC withstand voltage test of 110kV sbustation

Working frequency 30-300Hz

Test voltage is not more than 265kV test time is 1 min;

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
5. device output waveform: sine wave
6. input power supply: 380V or 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 unit

(1) rated power: 22 kW
(2) Input voltage: three phase 380V 50Hz
(3) output voltage: 0 ~ 400V adjustable
(4) Output voltage frequency: 30 ~ 300Hz
(5) 0.1Hz regulation step
(6) Frequency instability is less than 0.02%
(7) Output current: 0 ~ 55A

2. Frequency conversion power supply 1 unit

(1) rated power: 75 kW
(2) Input voltage: three phase 380V 50Hz
(3) output voltage: 0 ~ 400V adjustable
(4) Output voltage frequency: 30 ~ 300Hz
(5) 0.1Hz regulation step
(6) Frequency instability is less than 0.02%
(7) Output current: 0 ~ 187.5A

3. High voltage reactor (12 units)

(1) rated working voltage: 27kV
(2) rated working current: 4.17A
(3) rated inductance: 32H
(4) Continuous working time: 60min
(5) Temperature rise: less than 65ºc
(6) Working frequency: 30~300Hz

4. excitation transformer 2 units

(1) rated capacity: 37.5kVA
(2) input voltage: 400V
(3) output voltage: 3/6/18kV
(4) output current: 12.5/6.5/2.08A

5. capacitance divider (1 units)

(1) self capacitance: 1000pF
(2) rated voltage: 270kV
(3) working frequency: 30 ~ 300Hz
(4) uncertainty: 1.5%

6. test line (1 sets)

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".