Voltage transformers (VTs) are essential in electrical power systems, ensuring accurate voltage measurements and system protection. But here’s the catch—these transformers behave differently depending on frequency. Testing a voltage transformer at 50Hz versus 60Hz isn’t just about a simple number change. The shift in frequency affects magnetic flux, impedance, losses,
Current transformers (CTs) play a critical role in electrical systems by ensuring accurate current measurement for protection and metering purposes. However, like any other piece of technology, they are prone to errors that can affect their accuracy. In this article, we’ll explore the common sources of errors in current transformers,
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Some suggestions on how to use hysteresis loop characteristics in the manufacture of current transformers A current transformer (CT) is an electrical device used to measure or monitor alternating current (AC) in a power system. Its operating principle is based on the use of the hysteresis characteristics of magnetic materials