Crompton System Protection Relay

Transcript

Crompton System Protection Relay • • • • Monitor 3Ø Voltage & Current 12 Protective Relay Functions 8 or 12 User Programmable Relays True RMS Measurements Power Metering • • • • Voltage L1-N (L1-L2) Voltage L2-N (L2-L3) Voltage L3-N (L3-L1) Current L1 Current L2 Current L3 Neutral Current Ground Current System Watts System VA System VAr Power Factor Phase Angle Gen Frequency Bus Frequency Gen-Bus Angle Sync-Check Dead Bus Under Voltage Reverse Power Phase Voltage Sequence Applications Voltage Unbalance Time Overcurrent Neutral Ground Fault AND OR NAND NOR XOR Over Frequency Under Frequency ORDERING INFORMATION 4W – PQ LS – C6 – BD – 08 – MB ▲ ▼ ▼ ▼ ▼ Nominal Voltage 4W = 4 Wire Nominal Voltage 3W = 3 Wire Current Auxiliary Power Communications LS = 5 Amp BD = 24 Vdc MB = Modbus RTU ▼ ▼ NU = 57.7 Volts L/N NX = 63.5 Volts L/N P7 = 127 Volts L/N PA = 69 Volts L/N PK = 100 Volts L/N PM = 110 Volts L/N PQ = 120 Volts L/N R4 = 220 Volts L/N RQ = 230 Volts L/N RR = 240 Volts L/N RS = 250 Volts L/N R6 = 277 Volts L/N PK = 100 Volts L/L PM = 110 Volts L/L PO = 115 Volts L/L PQ = 120 Volts L/L RM = 208 Volts L/L RU = 380 Volts L/L RW = 400 Volts L/L SB = 415 Volts L/L SD = 440 Volts L/L SE = 480 Volts L/L ▼ ▼ 132a ▼ • • • • • • • General Purpose Protection Generator Protection Motor Protection Cable Protection Feeder Protection Distribution Protection Automatic Transfer Switches SPECIFICATIONS Over Voltage Logic Functions CR/SPR – 01 High Contrast LCD Display Simple Menu Driven User Interface RS485 Modbus Communications Watchdog Relay Sync-Check Voltage Restrained Time Overcurrent • • • • • • • • • ANSI Trip Functions Up to 34 true RMS power measurements can be made • • • • • • • • • • • • • • • • Non Volatile Real Time Memory Trip Event History Log Time and Date Stamping Front of Panel Mounting ▼ Current Maximum Primary CT Value Continuous Current Rating Short Duration Current Maximum CT Burden Voltage Maximum Primary PT Value Continuous Voltage Rating Short Duration Voltage Maximum PT Burden Relays Contact Rating Max Breaking Capacity Auxiliary Supply Working Range Power Communications ▼ Frequency Relays C5 = 50 Hz C6 = 60 Hz 08 = Eight Relays 12 = Twelve Relays Operating Temp. Relative Humidity Dimensions Panel Cutout Standards Isolated 5A CT inputs 10 kA AC 2 x Nominal 20 x Nominal (1 sec) < 0.6 VA Direct or PT inputs 400kV AC 1.2 x Nominal 2 x Nominal (1 sec) < 0.2 VA Form C (NO + NC) 250 V AC, 5 A 2000 VA 24 VDC 9 to 36 VDC < 20 VA 2 wire RS485, Modbus RTU protocol. Includes all features and functions available through the front panel. 0° to +50°C 95% non condensing 7.87”W x 4.17” H x 6.93” D (200 x 106 x 176 mm) 7.36” x 3.66” (187 x 93 mm) ANSI/IEEE C37.90, UL508 138