Vlf Very Low Frequency High Voltage Generator

Product Details
Customization: Available
After-sales Service: Lifetime Technical Support,Online Service
Warranty: 1 Year
Diamond Member Since 2007

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Registered Capital
100800000 RMB
Plant Area
>2000 square meters
  • Vlf Very Low Frequency High Voltage Generator
  • Vlf Very Low Frequency High Voltage Generator
  • Vlf Very Low Frequency High Voltage Generator
  • Vlf Very Low Frequency High Voltage Generator
  • Vlf Very Low Frequency High Voltage Generator
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Basic Info.

Model NO.
VLF
Usage
Vlf Very Low Frequency High Voltage Tester
Apparatus
Vlf AC High Voltage Pulse Generator
Function
Very Low Frequency AC Hipot Tester
Device
Cable AC Withstand Voltage Tester
Rated Voltage
30kv~80kv
Rated Current
20mA~30mA(Peak)
Output Frequency
0.1Hz, 0.05Hz, 0.02Hz
Measurement Error
< 3%Rdg+0.3%Fs
Positive&Negative Voltage Peak Errors
< 3%Rdg+0.3%Fs
Voltage Wave Form Distortion
<5%
Transport Package
Standard Wooden Case
Specification
ISO
Trademark
Gold
Origin
Chongqing of China
HS Code
9031809090
Production Capacity
100PCS/Month

Product Description

VLF Very Low Frequency High Voltage Generator

Vlf Very Low Frequency High Voltage Generator



I. Introduction
1. VLF Very Low Frequency High Voltage Generator are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus.

2. VLF Very Low Frequency High Voltage Generatorcombines modern advanced digital variable frequency technology and micro computer control together, therefore, it can realize the full automatic voltage boost, stepdown, measurement and protection as well as the manual intervention in the process of automatic voltage boost. The full electronic design ensures the small size and light weight. The big LCD screen ensures the clear and visual display, and can display the output sinusoidal wave form. The printer outputs test reports.


II. Features
1). Integrated with advanced technology of modern digital frequency conversion, adopt computer controlling, step-up, step-down, measuring, fully automatic protection.
2). All are electronic, small volume, light weight.
3). Large screen LCD display, clear and intuitive, and display the output waveform, test reports print out.
4). Operation is simple and convenient. Design criterions are in full compliance with the electric power industry standards "General Technical Conditions of Special Test Instrument in Power Equipment, Part 4: Ultra-Low Frequency High Voltage Generator General Technical Conditions".
5). The current, voltage, waveform data are directly gained from the high voltage side, sampling, so the
Data is accurate.
6). With over voltage protection function, when the output is over the set value, the instrument will stop and begin protection, action time is less than 20ms.
7). With over-current protection function: Double protection design for high and low voltage, high side can precisely protect according to set value; When low voltage current is over the set value, the instrument will stop and begin protection, action time is less than 20ms.
8). High voltage output insulation is designed into the step-up device, so no need to connect other external protective resistance. The adoption of high and low voltage closed loop feedback control circuit, so the output without capacitance-up effect.


III. Specifications
1. Max voltage output: Refer to table 1
2. Output frequency: 0.1Hz, 0.05Hz, 0.02Hz
3. Measurement error < 3%RDG+0.3%FS
4. Positive and negative voltage peak errors < 3%RDG+0.3%FS
5. Power supply: AC220V ± 10%, 50Hz/60Hz
6. Voltage wave form distortion: <5%
7. Environment temperature: 050C
8. Humidity: ≤ 85RH

IV. Specifications:

Model No.

Rated Voltage/current 

Load Carrying Capacity

Power  Fuse  Tube   

VLF-30

30kV/20mA
(Peak)

0.1Hz,≤1.1µF

8A

0.05Hz,≤2.2µF

0.02Hz,≤5.5µF

VLF-50

50kV/30mA
(Peak)

0.1Hz,≤1.1µF

10A

0.05Hz,≤2.2µF

0.02Hz,≤5.5µF

VLF-60

60kV/50mA
(Peak)

0.1Hz,≤0.5µF

10A

0.05Hz,≤1µF

0.02Hz,≤2.5µF

VLF-80

80kV/30mA
(Peak)

0.1Hz,≤0.5µF

12A

0.05Hz,≤1µF

0.02Hz,≤2.5µF
Vlf Very Low Frequency High Voltage Generator

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