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High Voltage Test Equipment DC High Voltage Generator Hipot Test Set

High Voltage Test Equipment DC High Voltage Generator Hipot Test Set

VLF (Very Low Frequency) AC Hipot Testers are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus.
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Product Introduction

We have advanced equipment and skilled backbone team to provide our customers with a solid foundation for better quality of the 50A Transformer DC Resistance Tester, Oil Centrifuging Machine, online transformer oil filtration. At present, the main task of our corporate culture construction is to implement corporate brand strategy and establish corporate business philosophy to support brand development. Welcome customers all over the world to contact us or visit our company. We provide customers with the most valuable brands, products that best meet customer needs, and services that exceed expectations, and grow together with the ever-evolving country. Since the establishment of our company, with the care and support of the society and the majority of users, all staff have fully absorbed and applied the high-tech and management experience of the same industry in the world with rigorous scientific attitude and hard work spirit.

1. Application
VLF (Very Low Frequency) AC Hipot Testers are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus.

 

Ultra Low Frequency Dielectric Strength Test is the alternative way for power frequency voltage withstand test. as we know, it is needed huge capacity testing transformer or a resonant transformer for power frequency voltage withstand test to large generator, cables etc. due to larger electrical capacity of insulating layer. The huge equipment is not only bulky but also expensive and not suitable for use. The electricity sector makes some test to solve the problems.

 

According to theory and test result from domestic and overseas in the past years, 0.1Hz ultralow frequency voltage withstand test can solve this problems and the advantage is not only got same test results but also the instrument dimensions is small and considerably reduced the weight of it .

FUOOTECH AC hipot test set for cable testing

2. Performance

 

FTAC Series VLF Hipot Tester gather together with the advanced technology of modern digital conversion, fully computer control, automated boost, buck, measurement and protection. Human intervention can cared out during the automatic step-up process. The main advantages of this hipot test set includes fully electronic, small sizes and light weight, large-screen LCD (clear and intuitive), print output test report, easy to use. It is designed to fully meet the power industry standards. Mechanical approach are used for modulation and demodulation ultra-low-frequency signals but no standard sine wave, some error of measuring and spark discharge in high-pressure part etc, FTAC Series can overcome the shortcoming of these.

VLF High Voltage Generator

 

3. Technical Parameters

Model

FTAC-VLF-90kV

Peak voltage:

90kV

Output frequency:

0.1Hz, 0.05Hz and 0.02 Hz (selectable)

Fuse:

20A

Maximum load capacity:

1.1μF@0.1Hz, 2.2μF@0.05Hz, 5.5μF@0.02Hz

Power supply:

220V ±10%, 50Hz ±5% (If using a portable generator, make sure the output voltage and frequency are stable. Power >3kW.)

Output voltage accuracy:

peak voltage instability ≤1%, frequency instability ≤3%.

Voltage waveform distortion:

≤5%.

Output voltage accuracy:

peak voltage instability ≤1%, frequency instability ≤3%.

Working environment:

indoor or outdoor; -10ºC-+50ºC, 85%RH.

Weight:

Control unit 4kg, HV unit I: 10kg, HV unit II: 22kg, Capacitor 2kg.

 

4. Functions & Features

1). Data of current and voltage are obtained directly through the sampling of high-pressure side and it is true and accurate.

2). Over-voltage protection: the instrument will shut down to protection within 20 ms when the output voltage is exceeding limiting values of setting.

 

3). Over-current protection: design for dual protection of high and low voltage, downtime protection can be accurately set in high-pressure side. Shut down to protection times is within 20 ms when the current of low-voltage sides exceeds reacted current.

 

4). High-voltage output protection resistor design in the body boost and it is no need to additional outside resistor.

5). Closed-loop negative feedback control circuit of high and low voltage.

 

5. Stocks at office

120kv vlf high voltage tester in stock (2)

 

6. Packing, Delivery, Shipping and Payment

deliver ac very low frequency hipot test system

 

7. Certificates

FUOOTECH Inductive load Dc resistance tachometer certificate_

 

8. Advantages of This VLF High Voltage Tester

1). Safe Optical isolation technology,

2). Easiest to use Fully automatic microcontroller

3). H/L voltage closed loop negative feedback control

4). Built-in printer

5). Built-in protective resistors

6). True sine wave output

7). Real-time display of actual output waveform

8). Ergonomic, menu guided, large backlit LCD

9). Storage of test results for later retrieval and print.

10). Over voltage and current protected

11). Variable frequency 0.1Hz, 0.05Hz, 0.02 Hz, 0.01Hz (0.01Hz for optional)

12). Data of current, voltage and waveform directly sampled at HV side.

13). AC testing does not degrade good cable insulation

14). Harmful space charges are not injected into the cable insulation

15). No traveling waves are generated during testing

16). Rugged and reliable design less prone to failure from transients

17). Invatation Patent

18). Portable, 1 control unit and 1 booster or 2 boosters (≥ 60KV set)

19). ISO & CE mark.
 

Welcome to contact us for your inquiry and order.

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