Areva MiCOM P441, Technical Manual

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P44x/EN AP/E33 Application Notes
Page 30/220 MiCOM P441/P442 & P444
2.8.1 Settings
Menu text Default setting Setting range Step size
Min Max
Group 1
Distance schemes
Program Mode Standard Scheme Standard Scheme
Open Scheme
Standard Mode Basic + Z1X Basic + Z1X, POP Z1,
POP Z2, PUP Z2, PUP Fwd, BOP Z1,
BOP Z2.
Fault Type Both Enabled Phase to Ground Fault Enabled,
Phase to Phase Fault Enabled,
Both Enabled.
Trip Mode Force 3 Poles Force 3 Poles,
1 Pole Z1 & CR,
1 Pole Z1 Z2 & CR.
Sig. Send Zone None None, CsZ1, CsZ2, CsZ4.
Dist CR None None, PermZ1, PermZ2, PermFwd, BlkZ1,
BlkZ2.
Tp 0.02s 0 1s 0.002s
tReversal Guard 0.02s 0 0.15s 0.002s
Unblocking Logic None None, Loss of Guard, Loss of Carrier.
TOR-SOTF Mode 00000000110000 Bit 0: TOR Z1
Bit 1: TOR Z2
Bit 2: TOR Z3
Bit 3: TOR All Zones
Bit 4: TOR Dist. Scheme
Bit 5: SOFT All Zones
Bit 6: SOFT Lev. Det.
Bit 7: SOFT Z1
Bit 8: SOFT Z2
Bit 9: SOFT Z3
Bit 0A: SOFT Z1 + Rev
Bit 0B: SOFT Z2 + Rev
Bit 0C: SOFT Dist. Scheme
Bit 0D: SOFT Disable
Z1 Ext. on Chan. Fail Disabled Disabled or Enabled
Weak Infeed
WI: Mode Status Disabled Disabled, Echo, WI Trip & Echo.
WI: Single Pole Trip Disabled Disabled or Enabled
WI: V< Thres. 45V 10V 70V 5V
WI: Trip Time Delay 0.06s 0 1s 0.002s
Loss of Load
LoL: Mode Status Disabled Disabled or Enabled
LoL: Chan. Fail Disabled Disabled or Enabled
LoL: I< 0.5 x In 0.05 x In 1 x In 0.05 x In
LoL: Window 0.04s 0.01s 0.1s 0.01s