Impact of Frequency on Voltage Transformers: Testing at 50Hz vs. 60Hz

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, resonance, and accuracy. Ignoring these…

Some suggestions on how to use hysteresis loop characteristics in the manufacture of current transformers

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 to convert the AC current…

The Cost Factors Behind Rogowski Coils: An Insightful Exploration

The Cost Factors Behind Rogowski Coils: An Insightful Exploration Why Rogowski Coils Are Worth the Investment Despite the simplicity of their design and the relatively inexpensive materials involved, Rogowski coils often come with a higher price tag. This can be attributed to several critical factors, from specialized manufacturing processes to their advanced capabilities in current…

How to choose split core current transformer for electric metering and energy monitoring

Table of Contents Learn more about split core current transformer With the development of digital substations and smart grids, electrical current transformers have been widely used, mainly in the measurement, protection and monitoring of power systems. Current transformers are widely used to convert a high voltage current input and produce a proportional low voltage, low current signal…