What is the main purpose of a current transformer?
2024-08-10
The main purpose of a current transformer (CT) is to measure high currents in electrical power systems safely and accurately. CTs step down high currents to a lower, standardized level, making it easier and safer to monitor and measure the current using standard instruments like ammeters, relays, and protective devices. This is especially important in high-voltage systems where directly measuring the current would be impractical and dangerous. Additionally, CTs provide electrical isolation between the high-voltage circuit and the measuring instruments.
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