Measured I secondary REF relay Connected I primary Wire From Wire From CT's Supply to I (mA) V (V) (A) neutral CT sum I(mA) I(mA) T.B. No R-N Y-N B-N Sensitivity Test by Swapping CT Terminals : Measured I secondary REF relay Connected Wire From Wire From I I primary V (V) Supply to neutral CT CT's sum (mA) (A) Phase I(mA) I(mA) T.B. No R-N Y-N B-N Stability and sensitivity of REF Side at Tap No ---- Stability and sensitivity of REF HV Side at Tap No ---- VRN= _______ VYN= _______ VBN= _______ Measured I secondary REF
Connected Supply to I primary (A) Measured I secondary REF relay Wire From neutral CT Wire From CT's sum I (mA) V (V) I(mA) I(mA) T.B. No R-N Y-N B-N Sensitivity Test by Swapping CT Terminals : Connected Supply to Phase I primary (A) Measured I secondary REF relay Wire From neutral CT Wire From CT's sum I (mA) V (V) I(mA) I(mA) T.B. No R-N Y-N B-N Stability and sensitivity of REF Side at Tap No ---- Stability and sensitivity of REF HV Side at Tap No ---- VRN= _______ VYN= _______ VBN= _______ Measured I secondary REF
tr_stability.docx