What is the function of a synchroscope?

A synchroscope is an essential instrument used in power generation and electrical systems. Its primary function is to monitor the frequency of line current and generator frequency. This measurement is crucial for synchronizing generators with the electric grid.

When generators are connected to the grid, it is important to ensure that they are operating at the same frequency as the grid. If there is a discrepancy in frequency, connecting the generator could cause system instability or damage to the equipment. The synchroscope provides real-time feedback about the phase difference and frequency between the generator and the grid, allowing operators to align them correctly before making the connection.

Monitoring line current frequency and generator frequency is vital for the safe and efficient operation of power generation systems, especially when multiple generators are being synchronized for load sharing. This synchronization helps in maintaining consistent power quality and reduces the risk of outages or equipment failure.