Calculated Industries 3420 Bedienungsanleitung

Generator Protection M‑3420Integrated Protection System® for Generators of All SizesPROTECTION • Microprocessor-basedGeneratorProtectionsystem

–10–M‑3420 Generator Protection RelayAtmospheric EnvironmentTemperatureIEC68-2-1 Cold,–20°Cfor96hoursIEC68-2-2 DryHeat,+70°Cfor96hoursI

–11–M‑3420 Generator Protection Relay8( 5 2 b )VCOM 3RS4 85VAV VABCBVBIN P U T SNACVCVIA CA L A R M SBIIIN- -++6IN ININ45ININ231INS E L F - T E S TINR

–12–M‑3420 Generator Protection Relay50Utility System52Unit52Gen50BFPh875040 4651V60FL 322781 27 59 24CTVTCTM‑3420Thisfunctionprovidescontrolforth

–13–M‑3420 Generator Protection RelayUTILITY SYSTEMAlternate VT connectionsRequired generator breaker status input (52b). Contact is closedwhen genera

–14–M‑3420 Generator Protection RelayStandard 19" Horizontal Mount Chassis19.00[48.26]17.50[44.45]17.50[44.45]ACTUAL5.21[13.23]ACTUAL0.40 [1.02]

–15–M‑3420 Generator Protection Relay1.67[4.24]19.00[48.26]18.31[46.51]2.25[5.72]0.28 [0.71]Dia. (4X)17.68[44.91]5.59[14.20]Actual1.67[4.24]2.25[5.72]

800-3420-SP-15MC5 01/13© 2001 Beckwith Electric Co.Printed in U.S.A. (07.30.01)

–2–M‑3420 Generator Protection RelayProtective Functions • Overexcitation(V/Hz)protection(24) • PhaseUndervoltageprotection(27) • Sensitiv

–3–M‑3420 Generator Protection RelayPROTECTIVE FUNCTIONSDevice Setpoint Number Function Ranges Increment Accuracy† Volts/Hz Definite Time Pi

–4–M‑3420 Generator Protection RelayPROTECTIVE FUNCTIONS (cont.)Device Setpoint Number Function Ranges Increment Accuracy† Negative Sequence

–5–M‑3420 Generator Protection RelayPROTECTIVE FUNCTIONS (cont.)Device Setpoint Number Function Ranges Increment Accuracy† Inverse Time Overcu

–6–M‑3420 Generator Protection Relay* This range applies to 50 Hz nominal frequency models.PROTECTIVE FUNCTIONS (cont.)Device Setpoint Number Func

–7–M‑3420 Generator Protection RelayMeteringTheM-3420providesmeteringofvoltages(phase,neutralandsequencequantities),currents(phase,neutra

–8–M‑3420 Generator Protection RelayStatus Input ContactsThestatusinputs,INPUT1throughINPUT6,canbeprogrammedtoblockanyoftheM-3420functi

–9–M‑3420 Generator Protection RelayTarget Module (optional)AnoptionalM-3920TargetModuleprovides24targetand8outputLEDs.Appropriatetarget