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Potential Transformer Accuracy Overview by adak avijit is a document available to read on EtoBox.
What is Potential Transformer Accuracy Overview about?
Potential transformers, or voltage transformers, are used to step down high transmission and distribution voltages to safer low voltages for metering and relaying equipment. They introduce ratio and phase angle errors that affect measurement accuracy. Accuracy classes like 0.3, 0.6, and 1.2 specify the maximum permissible errors over a range of voltages and standard burdens. Ratio and phase angle errors vary depending on the actual burden placed on the potential transformer.
- Author
- adak avijit
- Language
- EN