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Home > Mall Dynamic > The Role OF Voltage Divider, Voltage Divider Use - Circuit Knowledge Sharing
Voltage dividers are often referred to as resistance dividers, resistance and capacitance dividers, AC dividers, DC dividers, AC-DC dividers, high voltage dividers, AC-DC high voltage dividers, electrostatic voltmeters, AC-DC high voltage meters, AC-DC dual high voltage testing devices, resistance and capacitance AC-DC dividers, AC-DC dual voltage dividers, etc. Mainly used for measuring power frequency AC high voltage and DC high voltage instrument AC-DC dual digital high voltage meter (voltage divider), used for power system and electrical and electronic equipment manufacturing departments to measure power frequency AC high voltage and DC high voltage.
Since there is no electrical isolation between the voltage divider output and the primary line, the voltage divider is mainly used for:
1. Dc high voltage measurement of grounding system.
2. Power frequency AC high voltage measurement between phase and ground of the grounding system.
1, the voltage divider adopts high-precision resistance, capacitor assembly, special process potting, dry seal, there is no oil leakage problem.
2, high input impedance: reduce the test current, low power consumption, make the product small, light weight, stable performance, high measurement accuracy.
3, voltage divider, multi-value kilovolt meter and special cable are all placed in an aluminum alloy box, safe and reliable, easy to carry and transport.
4, multi-value kV meter can directly read DC average value, AC peak value, true RMS value, peak voltage value.
5, 150KV above the use of organic composite insulation jacket, increase the surface crawl distance, greatly reduce the height of the product, more convenient to use and carry.
1. There should be no debris around the equipment when it is used, so as not to affect the measurement accuracy.
2. Strictly maintain the operating distance to ensure safe operation.
3. Check the reliability of the connection of all parts, especially the solid connection of the ground wire.
4. After the measurement is completed, it can enter the field until the instrument measurement shows zero.
5. It is strictly prohibited to use overpressure, and pay attention to the cleaning of the surface, and should be placed in a cool and dry place when not in use.
1. Open the aluminum alloy box, take out the voltage divider cylinder, pressure ball, special digital measuring instrument and special cable.
2. Place the divider cylinder with the base safely and reliably, and install the second divider cylinder and pressure equalizing ball in turn.
3. Firmly connect the ground wire to the "ground wire" terminal of the voltage divider base.
4. The high voltage lead to be measured is firmly connected with the pressure equalizing ball at the top of the divider.
5. Insert one end of the special cable into the output hole of the voltage divider and the other end into the voltage measuring hole of the measuring instrument. Make sure that the cable is firmly inserted.
6. Select the position where the measuring instrument is thrown based on the high voltage you want to measure.
Seven. Load high voltage and record data.
8. After depressurization for a period of time, the test line can be removed until the measuring instrument shows zero.
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