go to the Instrument transformers product page Anonymous asked on Jan 6th, 2015 in Instrument transformers

What is the main use of capacitive voltage transformers (CVTs) and how is a CVT's performance measured?

Nicholas S Powers, Global Product Marketing Manager Instrument Transformers

ABB's answer

Capacitive Voltage transformers (CVTS) use a series stack of capacitors, connected as a voltage divider to ground, along with a medium voltage inductive voltage transformer to obtain second low voltage replicas of the primary voltage. CVT has internal reactive components that are adjusted to compensate for the phase angle and ratio errors. CVTs can be less expensive than inductive voltage transformers, particularly at higher voltage ranges, and are good alternatives to approximate the performance under controlled conditions.

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    Worawut Sae-Kok

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