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Shanghai Kangdeng Electric Technology Co., Ltd

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    No. 6, Lane 1118, Jintong Road, Putuo District, Shanghai

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Intelligent DC High Voltage Generator

NegotiableUpdate on 05/13
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Overview

The ZGF120KV/2MA intelligent DC high voltage generator is a portable DC high voltage generator researched and manufactured in accordance with the requirements of the Chinese industry standard ZGF24003-90 "General Technical Conditions for Portable DC High Voltage Generators". It is suitable for DC high voltage testing of equipment such as zinc oxide lightning arresters, magnetic blow lightning arresters, power cables, generators, transformers, switches, etc. in power departments, power plants, industrial enterprises, research institutions, railways, chemical industries, power plants, etc.

Product Details

ZGF200KV/2MA IntelligentThe DC high-voltage generator adopts an intermediate frequency voltage doubling circuit, applies * PWM intermediate frequency pulse width modulation technology, closed-loop adjustment, and adopts voltage feedback to greatly improve voltage stability. High power IGBT devices and their driving technology, and based on electromagnetic compatibility theory, special shielding, isolation, and grounding measures are adopted. The DC high-voltage generator has high quality, portability, and can withstand rated voltage discharge without damage.

ZGF200KV/2MAThe main components of the DC high voltage generator instrument are selected from electronic components with advanced technologies from countries such as the United States, Germany, and Japan, making the instrument more reliable and stable. The double pressure cylinder has a small volume, large capacity, strong overload capacity, and is convenient for on-site operation and testing. Our company regards quality and reputation as our lifeblood, constantly improving our technological level and developing high-quality products to meet the needs of our customers.

ZGF120KV/2MAIntelligent DC High Voltage GeneratorProduct Features:


1. Adopting a human-machine dialogue interface and a large LCD display, the operation is more user-friendly and can display voltage and current values in real time.

2. Fully automatic testing function of zinc oxide lightning arrester. Accuracy with printing function ≤ 1%, ripple coefficient: ≤ 0.5%. Maintain manual 0.75UDC/1mA function.

3. Segmented voltage withstand: Automatic voltage boosting (cable automatic testing) can be completed according to the user's set segmented voltage and measurement time for each segmented voltage.

4. Single withstand voltage: Set a test voltage value, and the instrument can automatically increase to that voltage (transformer automatic testing).

5. Automatic measurement function for insulation resistance. Realize the automatic measurement function of insulation resistance value of the test sample.

6. Wireless transmission function of microampere meter: It can achieve wireless transmission of high-voltage side current data, making measurement data more accurate and reliable; Can improve the personal safety of operators.

7. Voltage and current digital protection. Replaced the problem that digital dip switches can only set voltage values and cannot set current values and voltage drift, with an error of ≤ 1%.

8. Equipped with functions such as perpetual calendar, time, storage, printing, etc.

9. Grounding protection alarm function: Failure to ground or poor grounding will result in a "wiring fault" and an alarm prompt.

ZGF200KV/2MAIntelligent DC High Voltage GeneratorProduct Illustration

智能直流高压发生器

1. Take out the voltage doubler and place it in a suitable safe location. Connect the ground wire, cable wire, power wire, and discharge rod wire separately (as shown in Figure 1).

2. Precautions:<1>The double pressure cylinder, host, and test sample must be connected to the same grounding point.

<2> The high-voltage test line must be suspended and dragging the ground is strictly prohibited.

<3> When conducting capacitive tests, a current limiting resistor must be connected to prevent excessive feedback current from damaging the equipment and the test sample.

ZGF200KV/2MAIntelligent DC High Voltage GeneratorProduct Parameters

specification Feb-60 120/3 200/2/5 300/3/5
Technical Specifications
Output voltage (kV) 60 120 200 300
Output current (mA) 2 3 2/5 3/5
Output power (W) 120 360 400/1000 900/1500
Charging current (mA) 2 3 2/5 3/5
Control box weight (kg) 11.6 13 13 13
Weight of pressure doubling cylinder (kg) 2.3 3.2 8 10
Double pressure cylinder specification (mm) F90 340 F90 470 F110 910 F110 1200
Voltage measurement error I 0.2% (full degree) ± 1 word
Current measurement error I 0.2% (full degree) ± 1 word
Overvoltage setting error AI technology sets overvoltage protection and overcurrent protection Error I ≤ 0.2%
Intelligent (AI) testing AI fully automatic zinc oxide lightning arrester and oil immersed or transformer measurement function You can directly print and save experimental reports Accuracy ≤ 0.2%
0.75 switching error High precision 0.75UDC-1mA single touch button (accuracy ≤ 1.0%) zinc oxide lightning arrester test
Ripple coefficient ≤0.2%
working method Intermittent use: rated load for 30 minutes
1.1 times rated voltage usage: 10 minutes


working environment Temperature: -10 ℃ to 40 ℃
Relative humidity: not exceeding 85% at room temperature of 25 ℃ (no condensation)
Altitude: below 1500 meters
With capacitive load The capacitance of the test sample is unlimited
structural characteristics Electrical insulation voltage doubling cylinder
Air insulation, no leakage concerns