ii
Testing and Maintenance
BE1-951
Instantaneous Overcurrent (50T) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-17
50/150TP and TN (Calculated 3Io) Pickup and Dropout Verification . . . . . . . . . . . . . . . 13-17
50/150TP and TN (Calculated 3Io) Time Delay Verification . . . . . . . . . . . . . . . . . . . . . . 13-19
50/150TQ Pickup and Dropout Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-20
50/150TQ Time Delay Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-22
50/150TN (Independent Ground Input IG) Pickup and Dropout Verification . . . . . . . . . 13-22
50/150TN (Independent Ground Input IG) Time Delay Verification . . . . . . . . . . . . . . . . 13-24
Time Overcurrent (51) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-24
Timing Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-24
Pickup and Dropout Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-26
Voltage Restraint/Control Time Overcurrent Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-28
51/27R-Voltage "Restraint" Pickup and Dropout Verification . . . . . . . . . . . . . . . . . . . . . 13-29
Directional Overcurrent (67) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-29
Positive Sequence Voltage Polarizing, Phase Overcurrent Elements . . . . . . . . . . . . . . 13-30
Negative Sequence Voltage Polarizing, Phase Overcurrent Elements . . . . . . . . . . . . . 13-31
Negative Sequence Voltage Polarizing, Negative Sequence Overcurrent Elements . . . 13-31
Negative Sequence Voltage Polarizing, Ground Overcurrent Elements . . . . . . . . . . . . . 13-32
Zero Sequence Voltage Polarizing, Ground Overcurrent Elements . . . . . . . . . . . . . . . . 13-32
Zero sequence Current Polarizing, Ground Over current Elements . . . . . . . . . . . . . . . 13-33
Forward Tripping Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-34
Reverse Tripping Direction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-35
Voltage Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-35
Over Excitation, Volts/Hertz Trip Time Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-36
Over Excitation, Volts/Hertz Reset Time Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-37
Phase Undervoltage and Overvoltage Pickup Verification . . . . . . . . . . . . . . . . . . . . . . . 13-37
Phase Undervoltage and Overvoltage Timing Verification . . . . . . . . . . . . . . . . . . . . . . . 13-38
Negative Sequence Voltage Pickup Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-39
Negative Sequence Voltage Timing Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-40
Auxiliary Undervoltage and Overvoltage Pickup Verification (3E0 VT Input) . . . . . . . . . 13-40
Auxiliary Undervoltage and Over voltage Timing Verification (3E0 VT Input) . . . . . . . . . 13-41
Auxiliary Undervoltage and Overvoltage Pickup Verification (fundamental Vx input) . . 13-42
Auxiliary Undervoltage and Overvoltage Timing Verification (fundamental Vx input) . . 13-43
Auxiliary Undervoltage and Overvoltage Pickup Verification (3rd harmonic Vx input) . . 13-44
Auxiliary Undervoltage and Overvoltage Timing Verification (3rd harmonic Vx input) . . 13-45
Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-45
Pickup Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-45
Time Delay Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-47
Synchronism Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-47
25VM--VTP and VTX Live Voltage, Dead Voltage Pickup Test . . . . . . . . . . . . . . . . . . . 13-47
25VM Live/Dead Dropout Timing Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-48
25VM1 and 25VM2 Output Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-49
25 Synchro Check Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-49
Breaker Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-50
Virtual Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-51
Mode 1 - On/Off/Pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-51
Mode 2 - On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-53
Mode 3 - Pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-53
Virtual Breaker Control Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-54
Virtual Lockout (Latch) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-55
Logic Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-56
Mode 1 - Pickup/Dropout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-56
Mode 2 - One-Shot Nonretriggerable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-58
Mode 3 - One-Shot Retriggerable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-59
Mode 4 - Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-60
Mode 5 - Integrating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-60
Содержание BE1-951
Страница 157: ...BESTlogic Programmable Logic BE1 951 7 2 Figure 7 1 BESTlogic Function Blocks Courtesy of NationalSwitchgear com...
Страница 238: ...BE1 951 Human Machine Interface 10 5 Figure 10 5 Metering Menu Branch Structure Courtesy of NationalSwitchgear com...
Страница 239: ...10 6 Human Machine Interface BE1 951 Figure 10 6 Reports Menu Branch Structure Courtesy of NationalSwitchgear com...
Страница 270: ...12 2 Installation BE1 951 Figure 12 1 BE1 951 S1 Case Dimensions Courtesy of NationalSwitchgear com...
Страница 274: ...12 6 Installation BE1 951 Figure 12 5 BE1 951 H1 Case Dimensions Courtesy of NationalSwitchgear com...
Страница 283: ...BE1 951 Installation 12 15 Figure 12 16 Typical AC Connections Courtesy of NationalSwitchgear com...
Страница 394: ...A 18 Appendix BE1 951 Figure A 14 Time Characteristic Curve B Very Inverse 99 1376 Courtesy of NationalSwitchgear com...
Страница 396: ...A 20 Appendix BE1 951 Figure A 16 Time Characteristic Curve G Long Inverse 99 1622 Courtesy of NationalSwitchgear com...
Страница 397: ...BE1 951 Appendix A 21 Figure A 17 46 Time Characteristic Curve Courtesy of NationalSwitchgear com...