Ct Vt Ratios: CT_METERING_CLASS
CT and VT standard ratios, accuracy classes, burden designations, and IEC/IEEE accuracy limits per IEEE C57.13 and IEEE Std 3004.1-2013. Covers metering CTs, relaying CTs (C-class), standard CT/VT burdens, and IEC accuracy limits.
| instrument transformer type | ratio designation | current error pct 10 (%) | current error pct 100 (%) | standard |
|---|---|---|---|---|
| CT_METERING_CLASS | 0.3 | 0.6 | 0.3 | IEEE Std 3004.1-2013 |
| CT_METERING_CLASS | 0.6 | 1.2 | 0.6 | IEEE Std 3004.1-2013 |
| CT_METERING_CLASS | 1.2 | 2.4 | 1.2 | IEEE Std 3004.1-2013 |
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