U<ANSI 27
Ilaalinta korantada yar
Trips when the voltage falls below the setting.
Relay-yada ilaalinta
gudbinta AMR
- Galinta hadda iyo danabka hadba sida loogu baahdo
- Gelida dhijitaalka ah iyo soo saarista hadba sida loogu baahdo
- Shaashada taabashada weyn
- RS232 iyo RS485 dekedaha
- Taageerada borotokoolka isgaarsiinta IEC 61850
IEC 61850
communication protocol
RS232 · RS485
serial ports
Touch
large touch screen
Hawlaha ilaalinta
U>ANSI 59
Ilaalinta korantada xad dhaafka ah
Trips when the voltage rises above the setting.
I>> / I>ANSI 50/51
Ilaalinta socodka xad dhaafka ah ee aan jiho lahayn
Instantaneous (50) and IDMT time-delayed (51) tripping on overcurrent and short circuit.
IE>> / IE>ANSI 50N/51N
Ilaalinta dhulka aan jihada ahayn
Instantaneous and time-delayed protection against residual current and phase-to-earth faults.
I> →ANSI 67
Ilaalinta jihada xad dhaafka ah
Overcurrent that checks the power direction, operating only for forward or reverse faults.
IE> →ANSI 67N
Ilaalinta Jihada Dhulka
Directional earth fault, for ring networks and parallel feeders.
I2>ANSI 46
Qaybta taban ilaalinta xad dhaafka ah
Detects unbalance, broken conductors and single phasing from the negative-sequence current.
θ>ANSI 49
Ilaalinta culeyska xad dhaafka ah
A thermal model of the plant that trips before a cable, transformer or motor overheats.
CBFANSI 50BF
Ilaalinta fashilka muhiimka ah
Trips the upstream breakers when a breaker fails to open after a trip command.
I> ↑CLP
Shaqada ogaanshaha culeyska qabow (CLP)
Raises the settings for a while after a long-dead feeder is re-energised, avoiding nuisance trips.
I2f / I1fInrush
Fuuq shaqada ogaanshaha hadda
Recognises transformer inrush from the second harmonic and blocks false trips.
Id>ANSI 87
Ilaalinta kala duwanaanta
Compares the currents into and out of the plant and clears faults inside the zone fast.
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