DC high voltage generator how to choose it?
DC high voltage generator how to choose it?
DC high-voltage generators are widely used in power testing departments of power companies, mining, metallurgy, and iron and steel companies. Conduct high-voltage DC high-voltage tests on zinc oxide arresters, power cables, transformers, generators and other high-voltage electrical equipment. It is an important equipment for high-pressure test professional. The following principles should be followed for its selection and use:
When selecting
1.1, the product should pass the type test
1.2. The product should pass the network assessment organized by the relevant provincial Electric Power Testing and Research Institute, and the evaluation results of provinces that can not participate in other provinces are not evaluated.
1.3. The product should have enterprise standards, and the enterprise standard must not be lower than the industry standard.
1.4. It should be a professional DC high-voltage power supply manufacturer with complete process equipment, inspection equipment and corresponding engineering technicians and production personnel.
Technical indicators
3.1, output voltage polarity: negative polarity
3.2, working power: AC220V ± 10%, 50HZ
3.3, voltage measurement error: full 2% ± 1d, the highest resolution 0.1KV
3.4, current measurement error: full 1% ± 1d, the highest resolution 0.1UA
3.5, the ripple coefficient is better than 1%
3.6, voltage stability: ≤ 0.5% when randomly fluctuating grid changes ±10%
3.7, working methods: intermittent work, rated voltage, current working time is not less than 30min
3.8, ambient temperature: -10 °C ~ 50 °C
3.9, relative humidity: ≤85% (25°C)
3.10, altitude: 2000 meters
Performance characteristics:
Digital display output voltage and current;
Can be switched to 75% voltage output at any time;
With overvoltage and overcurrent protection settings, and can display the set voltage and current value;
Smooth adjustment of output voltage over the entire range;
Perfect protection function to ensure that the potentiometer must be adjusted to zero before each boost;
Discharge with discharge rod does not affect the size of the output voltage;
With output voltage timing function;
With over-voltage over-current protection sound and light alarm function;
Can work 30min at full load.
DC high voltage generator technical parameters:
Working power: voltage 220V±22V
Frequency: 50Hz or 60Hz;
Display accuracy: ±1%;
Ripple coefficient: ≤ 1%;
Working methods: intermittent use, no more than 30 minutes each time;
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