PROTECTION FUNCTIONS

Under Impedence - 21

Overexicitation - 24

Under Voltage - 27

Undervoltage - 27.1-27.2-27.3-27.4

Direct undervoltage - 27CC

100% stator earth-fault - 27H - 59H

Positive Sequence Undervoltage - 27V1

Directional active overpower - 32P

Directional reactive overpower -32Q

Under Current - 37

Directional active underpower - 37P

Directional reactive underpower - 37Q

Loss of Field - 40

Negative sequence overcurrent - 46

Negative sequence overcurrent - 46LT

Negative sequence overcurrent Motor/Generator - 46MG

Neutral unbalance current - 46N

Unbalance overcurrent - 46SC

Phase unbalance - 46U

Phase rotation direction check - 47

Thermal Image Transformer - 49LT

Thermal Image Motor/Generator - 49MG

Phase overcurrent side H and side L - 50/51

Maximum Residual Overcurrent - 50N/51N(1)

Maximum Residual Overcurrent - 50N/51N(2)

Calculated Residual Overcurrent - 50N/51N (Comp)

Locked Rotor - 51LR(48)/14

Voltage-controlled / restraint overcurrent - 51V

Minimum Power Factor - 55

Overvoltage - 59

Overvoltage - 59.1-59.2-59.3

Peak repetitive overvoltage

Residual Overvoltage - 59N

Average overvoltage - 59Uavg

Negative sequence overvoltage - 59V2

Low impedance restricted earth fault - 64REF

Low impedance restricted ground fault - 64REF(2)

Maximum number of startings (Restart inhibition) - 66

Directional Phase Overcurrent - 67

Ground directional overcurrent - 67N

Directional earth fault overcurrent - 67N(Comp)

Out of Step Protection - 78

Overfrequency - 81O

Frequency rate of change - 81R

Underfrequency - 81U

Double slope biased differential for Generator/ Motor/Transformer -87M-87G-87T

Breaker Failure - BF

Vector Jump - DPHI

Negative /positive sequence current ratio - I2/I1

Time Delay (TD)

Highest harmonic distortion of the phase currents (THD-I)

MONITORING & CONTROL

HARDWARE

One Fibre Optic Ethernet port dedicated to IEC 61850

One Ethernet local RJ45 port for communication with ThyVisor setup software

One USB Type B local port for communication with ThyVisor setup software

Arc flash

Thermal with Pt100 Probes - 26

Rotor Earth Fault - 64F

CONFIGURATION

Multiple Profiles (A, B)

Multiple Profiles (A, B, C, D)

COMMUNICATION

Modbus TCP-IP

Modbus RTU RS232 protocol

Modbus protocol RTU RS485 / IEC 870-5-103 / DNP3

DNP3 TCP-IP

IEC60870-5-103

IEC61850 Ed.1 & Ed. 2

CERTIFICATION

CEI 0-16

CEI 0-21

APPLICAZIONI

Motor protection

Feeder protection

Secondary MV protection

Capacitor bank protection

General protection

Loss of mains protection

Transformer protection

Generator protection

CONFIGURE YOUR PRODUCT