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#EEE - Transient recovery voltage

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ELECTRICAL AND ELECTRONICS
ELECTRICAL AND ELECTRONICS

Transient recovery voltage (TRV)

Engineering
1 of 2
Transient Recovery Voltage
• Finally when the arc get extinguishes a high frequency voltage transient appears across the contacts. This occurs due to contacts are nearer to each other. • This high frequency transient tries to restrike the arc hence it is called transient recovery voltage. • Transient recovery voltage affects the behavior of circuit breaker. • This voltage appears immediately after final interruption. • This causes high dielectric stress between contacts. • If dielectric stress is less then arc is restrikes.

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#EEE - Transient recovery voltage

  • 2. • Finally when the arc get extinguishes a high frequency voltage transient appears across the contacts. This occurs due to contacts are nearer to each other. • This high frequency transient tries to restrike the arc hence it is called transient recovery voltage. • Transient recovery voltage affects the behavior of circuit breaker. • This voltage appears immediately after final interruption. • This causes high dielectric stress between contacts. • If dielectric stress is less then arc is restrikes.