U<ANSI 27
Tšireletso ea Undervoltage
Trips when the voltage falls below the setting.
Li-relay tsa tšireletso
Setšoantšo sa AMR
- Lisebelisoa tsa hona joale le tsa voltage ha ho hlokahala
- Kenyelletso le tlhahiso ea dijithale ha ho hlokahala
- Skrine se seholo sa ho ama
- Likou tsa RS232 le RS485
- Ts'ehetso bakeng sa protocol ea puisano ea IEC 61850
IEC 61850
communication protocol
RS232 · RS485
serial ports
Touch
large touch screen
Mesebetsi e sireletsang
U>ANSI 59
Tšireletso ea overvoltage
Trips when the voltage rises above the setting.
I>> / I>ANSI 50/51
Tšireletso ea overcurrent e seng ea tataiso
Instantaneous (50) and IDMT time-delayed (51) tripping on overcurrent and short circuit.
IE>> / IE>ANSI 50N/51N
Tšireletso ea motheo e se nang tataiso
Instantaneous and time-delayed protection against residual current and phase-to-earth faults.
I> →ANSI 67
Tšireletso ea Directional overcurrent
Overcurrent that checks the power direction, operating only for forward or reverse faults.
IE> →ANSI 67N
Tšireletso ea ho Fana ka Taelo
Directional earth fault, for ring networks and parallel feeders.
I2>ANSI 46
Negative karolo tshireletso overcurrent
Detects unbalance, broken conductors and single phasing from the negative-sequence current.
θ>ANSI 49
Tšireletso e feteletseng
A thermal model of the plant that trips before a cable, transformer or motor overheats.
CBFANSI 50BF
Tšireletso ea ho hloleha ha senotlolo
Trips the upstream breakers when a breaker fails to open after a trip command.
I> ↑CLP
mosebetsi oa ho lemoha moroalo o batang (CLP)
Raises the settings for a while after a long-dead feeder is re-energised, avoiding nuisance trips.
I2f / I1fInrush
Ts'ebetso ea hona joale ea ho lemoha inrush
Recognises transformer inrush from the second harmonic and blocks false trips.
Id>ANSI 87
Tšireletso e fapaneng
Compares the currents into and out of the plant and clears faults inside the zone fast.
Lisebelisoa tsa software
01E na le tikoloho ea software e matla le e bonolo ho e sebelisa bakeng sa ho theha mesebetsi e fapaneng
02Bokhoni ba ho rekota li-oscillographs tse fihlang ho 200, log log
03E na le lihlopha tse 4 tsa taolo
04Mojule oa software ea Signal Routing bakeng sa ho abela matshwao a tshebetso ho fetisa dikenyo le diphetho
05Bokhoni ba ho hlahisa litlhophiso tsa relay ka sebopeho sa XRio
Litifikeiti tsa ho fetisa
- Setsi sa Patlisiso ea Matla