Series Resonant Boosting Device

The principle of the resonant voltage-raising test device for CVT verification: The TPXB CVT verification resonant voltage-raising device operates under the condition that the test frequency must be 50Hz during verification. With the complex on-site geographical conditions, the traditional experimental equipment is no longer able to meet the requirements for on-site transportation and testing. The TPXB CVT verification resonant voltage-raising device is a tunable resonant device that was first used for on-site verification in China.

Series Resonant Test Device Test Object: Widely Used in DomesticField calibration of capacitive voltage transformers up to 500kV.

Series Resonance

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Series Resonant Function

Output voltage and current waveforms are excellent with distortion less than 0.5%.

2. The required energy storage capacity is small, with the power capacity needing to be 1/Q of the test capacity, and the value of Q can range from 20 to 60.

3. No over-voltage protection is required. In the event of breakdown in the test sample, the system becomes out of tune, the resonant high voltage disappears, and the reactor immediately plays a role in limiting the short-circuit current, thereby preventing further damage to the test sample.

4. Easy to transport on-site, the device is a dry-type combined series resonance unit, consisting of an excitation transformer and multiple resonant reactors. Each individual unit is compact in size and lightweight.

5. The protection features are comprehensive, including zero-position protection (preventing system startup when the voltage output control knob is not at zero), overvoltage protection, overcurrent protection, and flashover protection, ensuring the system's reliability.