Product Overview

The ZGF-ZN Intelligent DC High-Voltage Generator is designed and manufactured by Wuhan Xinhuafu Electric Power Equipment Co., Ltd. in accordance with the new power industry standard DL/T848.1-2004 "General Technical Conditions for DC High-Voltage Generators." It is a new generation of intelligent product developed on the basis of the first-generation portable DC high-voltage tester. It is mainly suitable for power departments, industrial and mining enterprises, metallurgy, steel, and other power departments for DC withstand voltage tests of high-voltage electrical equipment such as zinc oxide lightning arresters, power cables, transformers, and generators.

The ZGF-ZN Intelligent DC High Voltage Generator features a full Chinese menu display, user-friendly interface, and simple operation. It also comes with features like automatic zero-point startup, over-voltage and over-current protection, ensuring safety and reliability. It boasts high intelligence, comprehensive functions, and stable, reliable data.

DC Voltage Withstand Device Name

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Product Features

● Utilizes a medium-frequency step-up circuit, employing PWM pulse width modulation technology and high-power IGBT devices.

● Utilizes high voltage feedback for stable output voltage with ripple coefficient ≤1%.

● Full range utilizes single-chip microcontroller for smooth voltage regulation, with adjustable and even boost speed.

● Poor Grounding Alarm Function: If the instrument is not grounded or grounding is poor, the instrument will alarm and no high voltage output will be available.

● Zero-rising voltage potentiometer.

● Dedicated Zinc Oxide Surge arrester test menu option, especially suitable for Zinc Oxide Surge arrester 0.75UDC1mA DC leakage test

● Dedicated DC power cable test menu options for one-click completion of DC power cable test projects according to the test procedures

Overvoltage and overcurrent settings available at any level

● The super pressure design utilizes new materials, offering both lightness and durability. Coated with special insulating materials, it boasts excellent electrical properties and strong moisture resistance.

● The product meets the technical requirements of DL/T848.1-2004 and has passed the type test of the Electrical Equipment Quality Testing Center under the Ministry of Power. Strictly adheres to the corporate standard for factory shipment.

● Automatically stores 300 test data sets, printable and searchable.

Technical Specifications

● Test Accuracy: ±1.0% (±2 digits of reading)

Output Voltage: Single Cell 100kV, Double Cell 200kV

● Output Current: Single Cell 4mA, Double Cells 2mA

● Wave Number: ≤1%

● Voltage Stability: Random fluctuation, ≤1% when power voltage varies ±10%

● Overload Capacity: Can be used for 10 minutes with no-load voltage exceeding rated voltage by 10%

Maximum charging current is 1.5 times the rated current

● Operation Method: Intermittent use, with a maximum continuous time of 30 minutes

● Work Environment:

Power: Single-phase AC 50Hz, 220V ±10%

Temperature: -15~40℃

Relative Humidity: Not greater than 90% (no condensation) at room temperature of 25°C.

Altitude: Below 1,500 meters

Complete set of equipment