* Frequency High Voltage Generator Device is a combination of modern digital frequency conversion technology, using microcomputer control, with automatic boost, buck, measurement, and protection. The SF6 trace moisture analyzer is mainly used for moisture detection of dry gases, including H2, SF6, N2, O2, Ar2, CO2, compressed air, and other gases. The probe of Wuhan Zhongshi High Test can resist condensation and oil pollution. Manual intervention is possible during the automatic boosting process. Due to full electronic design, it is small in size and light in weight, with a large LCD screen for clear and intuitive display, and can show output waveforms and print test reports via printer.
The * frequency high voltage generator has the following features:
1. Current, voltage, and waveform data are directly sampled from the high-voltage side, ensuring data authenticity and accuracy;
2. Overvoltage protection: When the output exceeds the set voltage limit, the instrument will shut down for protection, with action time less than 20ms.
3. Overcurrent protection: Designed with dual protection for high and low voltage. The high-voltage side can be precisely set according to the set value;
4. Accurate shutdown protection; When the current on the low-voltage side of Wuhan Zhongshi High Test exceeds the rated current, shutdown protection will be activated, with action time less than 20ms;
5. The high-voltage output protection resistor is designed inside the booster, so no external protection resistor is needed;
6. Due to the use of high and low voltage closed-loop negative feedback control circuit, there is no capacitive rise effect in the output.
* Frequency High Voltage Generator General Parameters
1. Working power supply: AC 220V±5, 50Hz±10%
2. Ambient temperature: -10-40℃
3. Relative humidity: ≤85%
4. Output voltage: 0-30KV, 0-50KV, 0-80KV
5. Output frequency: 0.1Hz, 0.05Hz, 0.02Hz
6. Voltage positive and negative peak error: ≤3%
7. Voltage waveform distortion: ≤5%
Product Parameters
1. Main parameters of the product are shown in Table 1
Table 2 — VLF Series * Frequency High Voltage Generator Main Technical Parameters
Model | Peak Voltage | Measurement Range | Weight | Application |
VLF-30/1.1 | 30kV | At 0.1Hz ≤1.1μF | Controller: 4kg Booster: 25kg | For cables and generators with voltage 10kV and below |
At 0.05Hz ≤2.2μF | ||||
At 0.02Hz ≤5.5μF | ||||
VLF-50/5.0 | 50kV | At 0.1Hz ≤5.0μF | Controller: 5kg Booster: 55kg | Used for burning through cable faults |
At 0.05Hz ≤10μF | ||||
At 0.02Hz ≤25μF | ||||
VLF-80/1.1 | 80kV | At 0.1Hz ≤1.1μF | Controller: 5k
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