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8BPROTECTION FUNCTIONS OVERVIEW
INTRODUCTION
ANSI/IEEE
Code
Function
Ranges
Increment
Accuracy
Single Phase
Polarization Voltage
Zero Sequence Voltage
Negative Sequence Voltage
Quadrature Voltage
-
-
Maximum Torque Angle
(Single Phase Faults)
0º a 90º
0.01º
± 0.3 º
Series-Capacitive
Compensation
SI/NO
Positive Sequence,
Quadrature and Fault
Voltage
2 to 10
0.1
Negative and Zero
Sequence Voltage
2 to 10
0.1
If Polarization Voltage
below Minimum
Trip/Close
Every protection function with inverse time functionality can use one of the following
curves:
Type
Family
Increment
Accuracy
IEC Curve
Curve Family
Standard Inverse
Very Inverse
Extremely Inverse
Short Time Inverse
Long Time Inverse
-
±
0.5 cycle or
+/- 0.25% curve time
Fastest trip: 30ms
Time Multiplier
0.05 to1.09
0.01
-
Time Adder
0.00 to 100
0.01
±
0.5 cycle
Minimun Response Time
Adder
0.013 to 1
0.001
±
0.5 cycle
Electromechanical Reset
NO/YES
-
-
ANSI Curve
Curve Family
Very Inverse
Extremely Inverse
Moderately Inverse
-
±
0.5 cycle or
+/- 0.25% curve time
Fastest trip: 30ms
Time Multiplier
0.5 to 30
0.01
-
Time Adder
0.00 to 100
0.01
±
0.5 cycle
Summary of Contents for smART P500
Page 1: ...Instruction Manual Multifunction Protection Relay smART P500...
Page 23: ...2BTABLES INDEX THIS PAGE HAS BEEN LEFT BLANK INTENTIONALLY...
Page 39: ...5BHARDWARE FEATURES INTRODUCTION Figure 1 9 Wye Wye Connection measured neutral...
Page 40: ...5BHARDWARE FEATURES INTRODUCTION Figure 1 10 Wye Wye Connection sensitive neutral...
Page 41: ...5BHARDWARE FEATURES INTRODUCTION Figure 1 11 Open Delta Connection measured neutral...
Page 42: ...5BHARDWARE FEATURES INTRODUCTION Figure 1 12 Open Delta Connection sensitive neutral...
Page 511: ...2BANSI CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 6 Moderately ANSI curve...
Page 513: ...2BANSI CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 7 Very inverse ANSI curve...
Page 515: ...2BANSI CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 8 Extremely inverse ANSI curve...
Page 532: ...4BRECLOSER CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 14 Recloser Curves 101 119...
Page 535: ...4BRECLOSER CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 15 Recloser Curves 120 142...
Page 538: ...4BRECLOSER CURVES 0BCURVES FOR TIME CHARACTERISTICS Figure I 16 Recloser Curves 151 202...