Power Transformer Pressure Relay Testing - Watch Instant Video

Training Sessions

Sudden Pressure Relays
Fault Pressure Relays
Testing a Sudden Pressure Relay
Testing a Fault Pressure Relay
Training Sessions

Sudden Pressure Relays – 9 minutes
States the function of a pressure relay in a power transformer. Explains how a sudden pressure relay works. Identifies control components typically associated with a sudden pressure relay. Describes how control components may interact with a sudden pressure relay.

Fault Pressure Relays – 14 minutes
Identifies where a fault pressure relay is typically used. Explains how a fault pressure relay works.

Testing a Sudden Pressure Relay – 13 minutes
States the purpose of testing a sudden pressure relay. Identifies safety precautions to be observed when a sudden pressure relay is tested. Describes a procedure for testing a sudden pressure relay on a de-energized transformer. Describes a procedure for testing a sudden pressure relay on an energized transformer.

Testing a Fault Pressure Relay – 10 minutes
Identifies precautions that should be observed when a fault pressure relay is tested. Describes a procedure for testing a fault pressure relay by applying pressure through the test plug hole. Describes a procedure for testing a fault pressure relay by applying pressure through the bleeder valve.