XZH VLF Ultra Low Frequency High Voltage Generator Output Frequency 0.05Hz Customizable
Brand Name:XZH TEST
Certification:CE, ISO
Model Number:XHDP Series
Minimum Order Quantity:1 unit
Delivery Time:5-8 work days
Payment Terms:T/T
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Building B8-01, Phase I, Ronghao Industrial City, No. 2098, Weiyang 9th Road, Gaoling District, Xi'an, China
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Product Details
XHDP Series
This XHDP Series VLF AC cable hipot tester adopts digital frequency conversion technology, single-chip microcomputer control,voltage boost, buck, measurement, protection completely automatic. Due to the full electronic, so small size and light weight, the use of large screen color touch display, clear and intuitive, simple operation, display output waveform. The design index conforms to the national standard of "General Technical Conditions of Ultra-low frequency high voltage generator". The main features are as follows:
| Specification | ||||
| Rated voltage | Carrying capacity | Application range | Power supply Fuse | Remark |
| 30kV(peak) | Automatic frequency change:0.1Hz-0.01Hz On-load capacity:<=10µF | Used for voltage test of cables and motors within 10KV | 8A | Customizable touch screen with USB port |
| 40kV(peak) | Automatic frequency change:0.1Hz-0.01Hz On-load capacity:<=10µF | Used for voltage test of cables and motors within 10KV | 8A | |
| 50kV(peak) | Automatic change frequency: 0.1Hz-0.01Hz Load capacity: <=6µF | Used for voltage test of cables and motors within 15KV | 10A | Customizable touch screen with USB port |
| 60kV(peak) | Automatic change frequency: 0.1Hz-0.01Hz Load capacity: <=5µF | Used for voltage test of cables and motors within 25KV | 20A | Can be customized with dielectric loss tester |
| 80kV(peak) | Automatic change frequency: 0.1Hz-0.01Hz Carrying capacity: <=6µF(within 50kV), <=4µF(above 50kV) | Used for voltage resistance test of cables and motors within 35KV | 30A | Customizable touch screen with USB port customized with dielectric loss tester |
1. Output rated voltage: see Specification
2. Output frequency: 0.1Hz, 0.05Hz, 0.02Hz
3. Load capacity: 0.1Hz maximum 1.1µF
0.05Hz maximum 2.2µF
0.02Hz maximum 5.5µF
4. Measurement accuracy: 3%
5. Voltage positive and negative peak error: ≤3%
6. Voltage waveform distortion: ≤5%
7. Use conditions: indoor and outdoor; temperature: -10ºC∽+40ºC;
humidity: ≤85%RH
8. Power fuse: see Specification
9. Power supply: frequency 50Hz, voltage 220V±5%.• Communication
interface: RS232;
• Power supply mode: charging AC 220V±10%, 50Hz/60Hz; built-in
5200mAH lithium battery power supply;
Technical parameter
1.Ultra-low frequency with rated voltage ≤60kV adopts a single-unit structure (one booster); ultra-low frequency above 60kV adopts a series structure (two boosters in series), which greatly reduces the overall weight and enhances the load capacity. The two boosters can be used separately to achieve multiple uses of one machine.
2.Current and voltage data are directly sampled from the high-voltage side, and the data is accurate.3.Intelligent comprehensive protection function: There is no need to set the current and voltage protection values. The instrument calculates the overvoltage and overcurrent protection values according to the test capacity and test voltage value, and can protect against voltage and current mutations, so as to capture the discharge situation in time. The protection action time is less than 20ms.
4.150kV high-voltage incoming line output, safe and reliable.
5. Due to the use of closed-loop negative feedback control circuit, there is no capacity increase effect on the output.
Main structure of ultra-low frequency high voltage power supply(VLF hipot tester)
For VLF hipot tester with rated voltage above 50kv, two boosters are used in series, which is called series ultra-low frequency, and its structure and components are described in the following figure:
Connection method for ultra-low frequency withstand voltage test
(1) The connection method of ultra-low frequency voltage withstand test when the two-stage booster is connected in series is as follows:
(2)Below 50kV single-link ultra-low frequency voltage test connection mode is as follows:
XZH VLF Ultra Low Frequency High Voltage Generator Output Frequency 0.05Hz Customizable
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