Eaton COOPER POWER SERIES Installation, Operation And Maintenance Instructions

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AppendixConnections and voltage levelsTable 8 VR-32 tap connections & voltage levels (60 Hz)RegulatorVoltageRatingNominalSingle-PhaseVoltageRatio-Adjusting DataTestTerminalVoltage bOverallPotentialRatio bInternalTap aPTRatioRCTTap1 2 3 4 5 6 72500 2500 – 20:1 120 125 20:12400 – 20:1 120 120 20:15000 5000 E1/P1 40:1 120 125 40:14800 E1/P1 40:1 120 120 40:14160 E1/P1 40:1 104 120 34.7:12400 E2/P2 20:1 120 120 20:17620 8000 E1/P1 60:1 133 120.5 66.5:17970 E1/P1 60:1 133 120 66.5:17620 E1/P1 60:1 127 120 63.5:17200 E1/P1 60:1 120 120 60:16930 E1/P1 60:1 115 120.5 57.5:14800 E2/P2 40:1 120 120 40:14160 E2/P2 40:1 104 120 34.7:12400 E3/P3 20:1 120 120 20:113800 13800 E1/P1 115:1 120 120 115:113200 E1/P1 115:1 115 120 110.2:112470 E1/P1 115:1 104 120 99.7:112000 E1/P1 115:1 104 120 99.7:17970 E2/P2 57.5:1 133 120 63.7:17620 E2/P2 57.5:1 133 120 63.7:17200 E2/P2 57.5:1 120 120 57.5:16930 E2/P2 57.5:1 120 120 57.5:114400 14400 E1/P1 120:1 120 120 120:113800 E1/P1 120:1 115 120 115:113200 E1/P1 120:1 110 120 110:112000 E1/P1 120:1 104 115.5 104:17970 E2/P2 60:1 133 120 65.5:17620 E2/P2 60:1 127 120 63.5:17200 E2/P2 60:1 120 120 60:16930 E2/P2 60:1 150 120.5 57.5:1Table 8 (continued)RegulatorVoltageRatingNominalSingle-PhaseVoltageRatio-Adjusting Data TestTerminalVoltage bOverallPotentialRatio bInternalTap aPTRatioRCTTap1 2 3 4 5 6 719920 19920 E1/P1 166:1 120 120 166:117200 E1/P1 166:1 104 119.5 143.9:116000 E2/P2 120:1 133 120.5 133:115242 E2/P2 120:1 127 120 127:114400 E2/P2 120:1 120 120 120:17970 E3/P3 60:1 133 120 65.5:17620 E3/P3 60:1 127 120 63.5:17200 E3/P3 60:1 120 120 60:134500 34500 E1/P1 287.5:1 120 120 287.5:119920 E2/P2 165.5:1 120 120.5 165.5:1a P taps are used with E taps only on regulators where an internal potential transformer isused in conjunction with the control winding to provide voltage supplies to the control.See nameplate for verification of this type of control supply.b Test terminal voltage and overall potential ratio may vary slightly from one regulator toanother. See the regulator nameplate for determining the exact values.33VR-32 Voltage Regulator with Quik-Drive™ Tap-ChangerInstallatIon, operatIon, and MaIntenance InstructIons MN225008EN February 2017