U<ANSI 27
Nchekwa n'okpuru voltaji
Trips when the voltage falls below the setting.
Relay nchebe
Mgbasa ozi AMR
- Ntinye voltaji ugbu a dị ka achọrọ
- Ntinye na mmepụta dijitalụ dị ka achọrọ
- Nnukwu ihuenyo mmetụ
- RS232 na RS485 ọdụ ụgbọ mmiri
- Nkwado maka usoro nkwukọrịta IEC 61850
IEC 61850
communication protocol
RS232 · RS485
serial ports
Touch
large touch screen
Ọrụ nchekwa
U>ANSI 59
Nchekwa oke ọkụ
Trips when the voltage rises above the setting.
I>> / I>ANSI 50/51
Nchedo nfefe na-enweghị ntụzịaka
Instantaneous (50) and IDMT time-delayed (51) tripping on overcurrent and short circuit.
IE>> / IE>ANSI 50N/51N
Nchedo ala na-abụghị ntụzịaka
Instantaneous and time-delayed protection against residual current and phase-to-earth faults.
I> →ANSI 67
Nchedo nfefe ntụzịaka
Overcurrent that checks the power direction, operating only for forward or reverse faults.
IE> →ANSI 67N
Nchedo Ntugharị ala
Directional earth fault, for ring networks and parallel feeders.
I2>ANSI 46
Ihe nchekwa na-adịghị mma na-emebiga ihe ókè
Detects unbalance, broken conductors and single phasing from the negative-sequence current.
θ>ANSI 49
Nchekwa oke ibu
A thermal model of the plant that trips before a cable, transformer or motor overheats.
CBFANSI 50BF
Nchedo ọdịda isi
Trips the upstream breakers when a breaker fails to open after a trip command.
I> ↑CLP
Ọrụ nchọpụta oyi (CLP)
Raises the settings for a while after a long-dead feeder is re-energised, avoiding nuisance trips.
I2f / I1fInrush
Inrush ọrụ nchọpụta ugbu a
Recognises transformer inrush from the second harmonic and blocks false trips.
Id>ANSI 87
Nchedo dị iche iche
Compares the currents into and out of the plant and clears faults inside the zone fast.
Njirimara software
01Ọ nwere ebe sọftụwia dị ike ma dị mfe iji melite ọrụ dị iche iche
02Ikike ịdekọ ihe ruru 200 oscillographs, log log
03Nwere 4 regulatory otu
04Modulu sọftụwia mgbaama maka ikenye akara ọrụ iji nyefee ntinye na ntinye
05Ikike imepụta ntọala relay na usoro XRio
Asambodo agbagharịa
- Ụlọ ọrụ nyocha ike