2400kV Lightning Impulse Voltage Withstand Test System

Huazheng Electric Manufacturing (Baoding) Co., Ltd. is one of the leading manufacturers and suppliers of 2400kv lightning impulse voltage withstand test system in China. Please feel free to buy high quality equipment for sale here from our factory. Good service and reasonable price are available.

2400kV Lightning Impulse Voltage Withstand Test System

I.The Scope

The generator is suitable for the test of the air gap insulator string, casing, power transformers and transformer standard lightning impulse voltage full wave, standard operating wave and chopped wave impulse voltage test.

II.The General Conditions of Use

Altitude: ≤1000m

Ambient temperature: -5 ℃ ~ +40 ℃

Relative humidity: ≤90％(20℃)

Use of the environment: indoor

Non-conductive dust

Grounding resistance < 0.5 Ω

No fire or explosion hazard

Earthquake resistance: 8 magnitude

There is no gas that corrodes metal and insulates

Supply voltage waveform is the actual sine wave, waveform distortion rate<5%

III.Follow The Standard

GB/T 311.1 Insulation and coordination of high voltage transmission and conversion equipment

GB/T 16927.1 high voltage test technology the first part of the test requirement

GB/T 16927.2 high voltage test technology second part measurement system

GB/T 16896.1 high voltage shock test with digital recorder

JB/T 7616 High-voltage line insulator shock resistance test

DL/T 557 High-voltage line insulator steep wave impact test, definition, test method and criterion

ZBF 24001 Implementation details of impact voltage test

IV.The Nominal Parameter Values

1. Nominal voltage: ±2400kV

2. Rated voltage: ±200kV

3. Nominal energy:240 kJ

4. Impact the total capacitance: 0.0833mF (2.0mF /100 kV single pulse capacitor, a total of 24)

5. Series: level 12

6. Impact voltage waveform parameters:

(1) Standard lightning impulse voltage full wave, 1.2/50ms voltage utilization factor>85% (more than 90% when no load 300PF);

(2) Truncated wave: cut-off time (2-6) ± 10%m s, zero-crossing coefficient ≤ 0.3%

(3) Standard operating impulse voltage wave 250±20%m s / 2500±60% ms,

The impulse voltage waveform parameters and their deviations are in line with the requirements of the national GB311 and GB16927 standards.7. Minimum output voltage：>10％Un

8. Duration: up to 70% of the rated voltage, charging and discharging every 120 seconds can run continuously at 70% of the rated voltage, which can run continuously.

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