Utility Power Grid Monitoring | MV HV Circuit Breakers & Load Tap Changers

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MV HV Electrical Power Products

Power Grid Monitoring

Advanced power-grid monitoring systems combine power-supply monitoring, load-balancing, protection, and metering functions to enable safe and efficient power delivery. They also reduce operation and maintenance costs for utilities.

These systems protect transformers, circuit breakers, and other equipment at substations; they enable predictive maintenance by detecting and responding to fault conditions; they dynamically balance loads to conserve energy, and they monitor and control power quality. These advanced capabilities are critical to ensuring uninterrupted power delivery and supporting intelligent grid-management application.

Circuit Breakers

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation.

What Does A Load Tap Changer Do?

The purpose of a tap changer is to regulate the output voltage of a transformer. It does this by altering the number of turns in one winding and thereby changing the turns ratio of the transformer. There are two types of transformer tap changers: an on-load tap changer (OLTC) and a de-energised tap changer (DETC).