Reading and comparing two values! An introduction to the measurement method (calibration method) of current transformers.
Our company performs calibration using a measurement method called comparative testing. Standard voltage transformers (VTs) and standard current transformers (CTs) are the reference VTs and CTs that have been tested at the Japan Electric Measuring Instruments Inspection Institute. Additionally, the test voltage transformers (VTx) and test current transformers (CTx) are, for example, the VTs and CTs for which we have received calibration requests from customers. For each, two values are read and compared. The values are small because they are theoretically the same ratio. *For more details, please refer to the related links page or feel free to contact us.*
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Tokyo Seiden meets customer needs through the fusion of our winding technology, circuit design, and mechanical design, which are at the core of power electronics technology.