2-16 M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUALSPECIFICATIONS CHAPTER 2: PRODUCT DESCRIPTION2Standard overload curve, cutoff effect:Standard overload curve, shift effect:Motor rated voltage: 1 to 50000 V in steps of 1Thermal model biasing: current unbalance, RTDsThermal model update rate: 1 power cycleStopped/running time cool constants: 1 to 65000 min. in steps of 1Stopped/running time cool constants decay: exponentialHot/cold safe stall ratio: 0.01 to 1.00 in steps of 0.01Current accuracy: per phase current inputsCurrent source: true RMSTimer accuracy: ±100 ms or ±2%, whichever is greaterTimer accuracy for voltage dependent overload:±100 ms or ±4%, whichever is greaterSTATOR DIFFERENTIALPickup: 0.050 to 1.00 pu in steps of 0.01Slope 1 and 2: 1 to 100% in steps of 1Break 1: 1.00 to 1.50 pu in steps of 0.01Break 2: 1.50 to 30.00 pu in steps of 0.01Operate time: <¾ cycle at Idiff > 5 × pickupGROUND TOCCurrent: Phasor or RMSPickup level: 0.000 to 30.000 pu in steps of 0.001Dropout level: 97% to 98% of pickupLevel accuracy:for 0.1 to 2.0 CT: ±0.5% of reading or ±0.4% of rated (whichever is greater)for > 2.0 CT: ±1.5% of reading > 2.0 CT ratingCurve shapes: IEEE Moderately/Very/Extremely Inverse; IEC (and BS) A/B/C and Short Inverse; GE IAC Inverse,Short/Very/ Extremely Inverse; I 2 t; FlexCurves™ (programmable); Definite Time (0.01 s basecurve)Curve multiplier: Time Dial = 0.00 to 600.00 in steps of 0.01Reset type: Instantaneous/Timed (per IEEE)Curve timing accuracy at 1.03 to 20 x pickup:±3.5% of operate time or ±½ cycle (whichever is greater) from pickup to operateVoltage restraint: Modifies pickup current for voltage in the range of 0.1 < V < 0.9 VT Nominal in a fixed linear rela-tionshipPHASE/NEUTRAL/GROUND IOCCurrent: Phasor onlyPickup level: 0.000 to 30.000 pu in steps of 0.001Dropout level: 97 to 98% of pickupLevel accuracy:0.1 to 2.0 CT rating: ±0.5% of reading or ±0.4% of rated (whichever is greater)> 2.0 CT rating: ±1.5% of readingOverreach: <2%Pickup delay: 0.00 to 600.00 s in steps of 0.01Reset delay: 0.00 to 600.00 s in steps of 0.01Operate time: <16 ms at 3 pickup at 60 Hz (Phase/Ground IOC)<20 ms at 3 pickup at 60 Hz (Neutral IOC)Timer accuracy: ±3% of operate time or ±1/4 cycle (whichever is greater)t tripTD 2.21166230.02530337 I motorFLA------------- 1– 2 0.05054758 I motorFLA------------- 1– +---------------------------------------------------------------------------------------------------------------------------------=t tripTD 2.21166230.02530337 I motorOF FLA-------------------- 1– 2 0.05054758 I motorOF FLA-------------------- 1– +-----------------------------------------------------------------------------------------------------------------------------------------------=
