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Htdp-H Very Low Frequency High Voltage Generator 0.1Hz Vlf Cable Dielectric Tester
Htdp-H Very Low Frequency High Voltage Generator 0.1Hz Vlf Cable Dielectric Tester
Htdp-H Very Low Frequency High Voltage Generator 0.1Hz Vlf Cable Dielectric Tester
Htdp-H Very Low Frequency High Voltage Generator 0.1Hz Vlf Cable Dielectric Tester
Htdp-H Very Low Frequency High Voltage Generator 0.1Hz Vlf Cable Dielectric Tester
Htdp-H Very Low Frequency High Voltage Generator 0.1Hz Vlf Cable Dielectric Tester

Htdp-H Very Low Frequency High Voltage Generator 0.1Hz Vlf Cable Dielectric Tester

Min.Order: 1
Product origin: Wuhan, Hubei, China
Infringement complaint: complaintComplaint
US$ 1900 ~ 6900

Description
Introduction 

The high-voltage withstand test of electrical equipment is one of the most important items stipulated in the "Insulation Preventive Test". The withstand voltage test can be divided into AC withstand voltage test and DC withstand voltage test, and AC withstand voltage test can be divided into power frequency, frequency conversion and 0.1Hz ultra-low frequency test technology. Committee-recommended technique. Our company's new generation of this series of ultra-low frequency high-voltage generators is a core product independently developed by the latest American technology. It adopts a 7-inch touch screen, the latest ARM7 single-chip microcomputer, high-speed AD acquisition circuit, and is equipped with background management software. It overcomes many shortcomings of similar domestic products (see Table 1), and its cost performance is much higher than that of similar imported products. It is especially suitable for electrical equipment with large insulation equivalent capacitance (such as power cables, power capacitors, large and medium-sized generators and Electric motors, etc.) withstand voltage test, in line with the requirements of the newly promulgated power industry standard "General Technical Conditions for Ultra-low Frequency High Voltage Generators DL/T849.4-2004" in 2004.Table 2 performance comparison of various withstand voltage test equipment:
 

Compare content		Power frequency withstand voltageFrequency withstand
voltage		0.1Hz withstand voltageDC withstand voltage
EquivalencegoodGoodGoodBad
Insulation
destructive		smallsmallsmallbig
Operation safetylowlowhighA little low
WiringComplicatedMost
Complicated		Most easycomplicated
Volume and
weight		Heavy and bigHeavy and bigLight and small
size		Light and small
size

Features:
1. Advanced technology: using digital frequency conversion technology, microcomputer control, fully automated test processes such as boosting, bucking, measurement, and protection.

2. Convenient operation: simple wiring, fool-like operation.

3. Comprehensive protection: multiple protections (overvoltage protection, high and low voltage side overcurrent protection), rapid action (action time ≤ 10ms), and the instrument is safe and reliable.

4. Safe and reliable: low-voltage connection between the controller and the high-voltage generator, photoelectric control, safe and reliable use.

5. The high and low voltage closed-loop negative feedback control circuit is adopted, and the output has no capacity rise effect.

6. Complete configuration: capacitive touch screen, LCD Chinese character display, automatic storage, automatic printing.

7. Large test range: 0.1Hz, 0.05Hz and 0.02Hz multi-frequency selection, large test range.

8. Small size and light weight: it is very beneficial to outdoor work.

9. Chinese and English switching function.

Parameters
Output frequency0.1Hz,0.05Hz,0.02Hz
Load capacity0.1HzMax 1.1µF; 0.05Hz Max 2.2µF; 0.02Hz Max 5.5µF;
Accuracy3%
Voltage positive, negative peak error≤3%
Voltage waveform distortion≤5%
Use conditionIndoors, outdoors; temperature:-10ºC~+40ºC;Humidity:≤85%RH
Power supplyvoltage 220V±5%,50±5Hz
Note: If a portable generator is used for power supply, the output voltage and frequency of the generator are required to be stable (generally, the power is required to be greater than 3kW, the frequency is 50Hz, and the voltage is 220V±5%. The electric capacity of the tested product must not exceed the maximum rated electric capacity of the instrument.

capacitance of the instrument, and the value is shown in Table 3;


 
ModelRated voltageLoad capacityPower supply
Fuse		Product structure and weight
30/1.130kV
(peak value)		0.1Hz,≤1.1µF10Acontroller:13kg
Booster:20kg
0.05Hz,≤2.2µF
0.02Hz,≤5.5µF
40/1.140kV
(peak value)		0.1Hz,≤1.1µF10Acontroller:13kg
Booster:20kg
0.05Hz,≤2.2µF
0.02Hz,≤5.5µF
50/1.150kV
(peak value)		0.1Hz,≤1.1µF15Acontroller:13kg
Booster:40kg
0.05Hz,≤2.2µF
0.02Hz,≤5.5µF
60/1.160kV
(peak value		0.1Hz,≤1.1µF15Acontroller:13kg
Booster:50kg
0.05Hz,≤2.2µF
0.02Hz,≤5.5µF
80/1.180kV
(peak value)		0.1Hz,≤1.1µF15Acontroller:13kg
Booster:50kg
0.05Hz,≤2.2µF
0.02Hz,≤5.5µF
90/1.190kV
(peak value)		0.1Hz,≤1.1µF15Acontroller:13kg
Booster:55kg
0.05Hz,≤2.2µF
0.02Hz,≤5.5µF







 
 














 

 

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