DEIF MVR-G215 Features Protection Functions

Features

Protection Functions:

• (Sensitive) Earth fault protection stages INST, DT or IDMT (ANSI 50N/51N(S))

• 100% Stator Earth fault protection (ANSI 64F3)

• Auto-reclose (ANSI 79)

• Breaker failure protection (ANSI 50BF)

• Cable-end differential protection (ANSI 87)

• Current transformer supervision (ANSI 60L)

• Current unbalance/broken conductor protection stages INST, DT or IDMT (ANSI 46 /R/L)

• Directional (sensitive) residual over-current protection stages DT or IDMT (ANSI 67N)

• Directional three-phase over-current protection stages DT or IDMT (ANSI 67)

• Frequency protection stages (ANSI 81O/U)

• Fuse failure (ANSI 60)

• Harmonic over-current protection/inrush blocking stages INST, DT or IDMT (ANSI 50H/51H/68)

• Loss of field (ANSI 40)

• Machine thermal overload protection (ANSI 49M)

• Over-excitation protection (ANSI 24)

• Overvoltage protection INST, DT or IDMT (ANSI 59)

• Positive/negative sequence under-/over-voltage protection INST, DT or IDMT (ANSI 27P/47/59P)

• Power factor (ANSI 55)

• Programmable stage (ANSI 99)

• Rate of Change of Frequency ROCOF (ANSI 81R)

• Residual voltage protection INST, DT or IDMT (ANSI 59N)

• Restricted low-impedance earth fault protection (ANSI 87N)

• Reverse-/under-/over-power protection INDT, DT or IDMT (ANSI 32)

• Synchrocheck (ANSI 25)

• Three-phase over-current protection INST, DT or IDMT (ANSI 50/51)

• Under-impedance protection (ANSI 21)

• Under-voltage protection INST, DT or IDMT (ANSI 27)

• Vector jump/surge (ANSI 78)

• Voltage controlled/dependent over-current protection (ANSI 51V)

• Voltage memory