U<ANSI 27
Eegumsa voolteejii gadi aanaa (ANSI 27) .
Trips when the voltage falls below the setting.
Relay eegumsaa
AMR rileey
- Galtee kaarentii fi voolteejii akka barbaachisummaa isaatti
- Galtee fi oomisha dijiitaalaa akka barbaachisummaa isaatti
- Iskiriinii tuqaalee guddaa
- Buufata RS232 fi RS485
- Deeggarsa pirootokoolii qunnamtii IEC 61850
IEC 61850
communication protocol
RS232 · RS485
serial ports
Touch
large touch screen
Hojiiwwan eegumsaa
U>ANSI 59
Eegumsa voolteejii garmalee (ANSI 59) .
Trips when the voltage rises above the setting.
I>> / I>ANSI 50/51
Eegumsa kaarentii olka’aa kallattii hin qabne (ANSI 50-51) .
Instantaneous (50) and IDMT time-delayed (51) tripping on overcurrent and short circuit.
IE>> / IE>ANSI 50N/51N
Eegumsa lafa kallatti hin qabne (ANSI 50N-51N) .
Instantaneous and time-delayed protection against residual current and phase-to-earth faults.
I> →ANSI 67
Eegumsa kaarentii garmalee kallattii (ANSI 67-67 TOC) .
Overcurrent that checks the power direction, operating only for forward or reverse faults.
IE> →ANSI 67N
Eegumsa Lafa Kallattii (ANSI 67N-67N TOC) .
Directional earth fault, for ring networks and parallel feeders.
I2>ANSI 46
Eegumsa kaarentii garmalee qaama negaatiivii
Detects unbalance, broken conductors and single phasing from the negative-sequence current.
θ>ANSI 49
Eegumsa fe’iinsa garmalee (ANSI 49) .
A thermal model of the plant that trips before a cable, transformer or motor overheats.
CBFANSI 50BF
Eegumsa kufaatii furtuu (ANSI 50BF) .
Trips the upstream breakers when a breaker fails to open after a trip command.
I> ↑CLP
faankishinii fe’umsa qorraa adda baasuu (CLP) .
Raises the settings for a while after a long-dead feeder is re-energised, avoiding nuisance trips.
I2f / I1fInrush
Faankishinii adda baasuu ammee inrush
Recognises transformer inrush from the second harmonic and blocks false trips.
Id>ANSI 87
Eegumsa garaagarummaa (ANSI 87) .
Compares the currents into and out of the plant and clears faults inside the zone fast.
Amaloota sooftiweerii
01Naannoo sooftiweerii humna guddaa qabuu fi itti fayyadamuuf salphaa ta’ee fi dalagaalee adda addaa diriirsuuf gargaaru qaba
02Dandeettii hanga oscillographs 200 galmeessuu, trip log
03Garee qajeelfama baasan 4 qaba
04Moojuulii sooftiweerii Daandii Mallattoo mallattoolee faankishinii galtee fi baasaa rileeyiif ramaduuf
05Dandeettii qindaa'inoota rileey bifa XRio tiin baasuu
Ragaawwan rileey
- Dhaabbata Qorannoo Humnaa