What does CTR stand for in instrument transformers?
CTR stands for Current Transformer Ratio.
Technical articles on Electronics and Electrical Engineering topics focused on Basics of EE, Electronic components, power systems and equipment used for generation, transmission, operation, and controls of electricity.
CTR stands for Current Transformer Ratio.
While referring to ANSI Standard CT Accuracy Classes, the Code C implies that the transformer ratio can be calculated. The code C classification covers most bushing CTs that have uniformly distributed windings and any other transformers whose core leakage flux has a negligible effect on the ratio, within the defined limits.
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Connections made between instrument transformers and receiving instruments such as panel- mounted meters and relays must be occasionally broken in order to perform tests and other maintenance functions. Download PDF here for later or continue reading below An accessory often seen in power instrument panels is a test switch bank, consisting of a series of … Read more
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