U<ANSI 27
Palena undervoltage
Trips when the voltage falls below the setting.
Nā relay pale
AMR relay
- ʻO nā hoʻokomo o kēia manawa a me nā voltage e like me ka mea e pono ai
- Hoʻokomo kikohoʻe a me ka hoʻopuka e like me ka mea e pono ai
- Paʻi pā nui
- RS232 a me RS485 awa
- Kākoʻo no ka IEC 61850 protocol kamaʻilio
IEC 61850
communication protocol
RS232 · RS485
serial ports
Touch
large touch screen
Nā hana pale
U>ANSI 59
Ka pale ʻana i ka ʻauwaha
Trips when the voltage rises above the setting.
I>> / I>ANSI 50/51
Ka pale ʻana i ka overcurrent
Instantaneous (50) and IDMT time-delayed (51) tripping on overcurrent and short circuit.
IE>> / IE>ANSI 50N/51N
Ka pale ʻana i ke kumu ʻole
Instantaneous and time-delayed protection against residual current and phase-to-earth faults.
I> →ANSI 67
ʻO ka pale ʻana i ka overcurrent
Overcurrent that checks the power direction, operating only for forward or reverse faults.
IE> →ANSI 67N
Palekana Kūlana Kūlana
Directional earth fault, for ring networks and parallel feeders.
I2>ANSI 46
ʻO ka ʻāpana maikaʻi ʻole ka pale ʻana i ka overcurrent
Detects unbalance, broken conductors and single phasing from the negative-sequence current.
θ>ANSI 49
Palena kaumaha nui
A thermal model of the plant that trips before a cable, transformer or motor overheats.
CBFANSI 50BF
Palena hemahema kī
Trips the upstream breakers when a breaker fails to open after a trip command.
I> ↑CLP
hana ʻike haawe anu (CLP)
Raises the settings for a while after a long-dead feeder is re-energised, avoiding nuisance trips.
I2f / I1fInrush
Inrush hana ʻike i kēia manawa
Recognises transformer inrush from the second harmonic and blocks false trips.
Id>ANSI 87
Palekana ʻokoʻa
Compares the currents into and out of the plant and clears faults inside the zone fast.
Nā hiʻohiʻona polokalamu
01Loaʻa iā ia kahi lako polokalamu ikaika a maʻalahi no ka hoʻonohonoho ʻana i nā hana like ʻole
02Ka hiki ke hoʻopaʻa i ka 200 oscillographs, trip log
03Loaʻa iā 4 pūʻulu hoʻoponopono
04ʻO ka ʻōnaehana polokalamu Signal Routing no ka hāʻawi ʻana i nā hōʻailona hana e hoʻokuʻu i nā mea hoʻokomo a me nā mea hoʻopuka
05Hiki ke hoʻopuka i nā hoʻonohonoho relay ma ke ʻano XRio
Palapala hōʻoia
- Hui Mana Mana