VCB Vacuum Circuit Breaker Maintenance, Vacuum Integrity Test, Vacuum chamber/ bottle test in Tamil

Описание к видео VCB Vacuum Circuit Breaker Maintenance, Vacuum Integrity Test, Vacuum chamber/ bottle test in Tamil

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Vacuum Integrity Tests

The purpose of a vacuum integrity test is to confirm that the pressure in a vacuum interrupter is low enough for the interrupter to reliably perform its switching and insulating functions.

Unfortunately, measuring the pressure inside a vacuum interrupter directly is a very difficult task, which requires specialized equipment and even then, measurements can only be performed accurately on a vacuum interrupter by itself, not when it is installed in a circuit breaker. The use of a voltage withstand test to verify that the vacuum pressure is still within acceptable limits is, therefore, recommended.

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