DC Withstand Voltage Test Equipment for High Voltage Electrical Apparatus

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DC Withstand Voltage Test Equipment for High Voltage Electrical Apparatus

Customization:	Available
After-sales Service:	Yes
Warranty:	1 Year

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Product Description

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Basic Information

Model NO.	KDZG-II	Type	Electric Testing Machine
Accuracy Grade	±(1.0% of Reading ±2 Digits)	Display	Digital
Control	Manual Control	Power Source	AC220V
Product Name	DC High Voltage Generator	Rated Voltage	250kv
Rated Current	2mA	Rated Power	500W
Case Weight	4.9kg	Ripple Coefficient	≤2%

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Product Features

Feature of KDZG-II DC High-voltage Generator:

The chassis is constructed of aluminum alloy for durability and portability.
Utilizes a medium-frequency voltage multiplier circuit, PWM pulse width modulation technology, and high-power IGBT devices.
Large voltage feedback results in high output voltage stability and a ripple factor of ≤1%.
Smooth voltage regulation over the entire range with fine adjustment accuracy of ≤0.5%.
0.75UDC/1mA function button facilitates zinc oxide surge arrester testing accurately.
Overvoltage protection is easily adjustable using a pull-out switch.
The voltage multiplier is made of new insulating materials, making it lightweight and moisture-resistant.

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Technical Parameters

Voltage stability	Random fluctuation, ≤1% for a ±10% change in power supply voltage
Overload capacity	No-load voltage can exceed rated by 10% (10 mins); Max current 1.25x rated
Operating mode	Intermittent operation; Maximum continuous test duration is 10 minutes
Working Environment	Temp: -10°C to 40°C; Humidity: ≤ 85%; Altitude: Up to 1500m
Structural Features	Epoxy fiberglass electrically insulated voltage multiplier; air-insulated

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Product Gallery

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Additional Information

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Frequently Asked Questions

Q1: What are the primary applications of the KDZG-II DC high-voltage generator? A: It is mainly used for DC withstand voltage testing of high-voltage electrical equipment, specifically zinc oxide surge arresters, in power plants and industrial enterprises.

Q2: How accurate is the voltage and current measurement? A: The device features a digital display with an accuracy of ±(1.0% of Reading ±2 Digits) for both voltage and current measurements.

Q3: Is the equipment easy to transport for on-site testing? A: Yes, it is designed with an aluminum alloy chassis and new lightweight materials for the voltage multiplier, making it highly portable for field operations.

Q4: Does it include specific features for testing surge arresters? A: Yes, it includes a dedicated 0.75UDC/1mA function button specifically designed to facilitate zinc oxide surge arrester testing with high precision.

Q5: What safety protections are built into the system? A: The generator includes adjustable overvoltage protection via a pull-out switch, zero-voltage start protection, and stable voltage feedback to ensure operator and equipment safety.

Q6: What is the ripple coefficient of the KDZG-II? A: The ripple factor is maintained at ≤1% to 2%, ensuring high output voltage stability during testing.