U<ANSI 27
欠压保护（
Trips when the voltage falls below the setting.
IEC 61850
communication protocol
RS232 · RS485
serial ports
Touch
large touch screen
保护功能
U>ANSI 59
过压保护（
Trips when the voltage rises above the setting.
I>> / I>ANSI 50/51
无方向过流保护
Instantaneous (50) and IDMT time-delayed (51) tripping on overcurrent and short circuit.
IE>> / IE>ANSI 50N/51N
无方向性接地保护（
Instantaneous and time-delayed protection against residual current and phase-to-earth faults.
I> →ANSI 67
定向过流保护（
Overcurrent that checks the power direction, operating only for forward or reverse faults.
IE> →ANSI 67N
定向接地保护
Directional earth fault, for ring networks and parallel feeders.
I2>ANSI 46
负极元件过流保护
Detects unbalance, broken conductors and single phasing from the negative-sequence current.
θ>ANSI 49
过载保护（
A thermal model of the plant that trips before a cable, transformer or motor overheats.
CBFANSI 50BF
按键失效保护
Trips the upstream breakers when a breaker fails to open after a trip command.
I> ↑CLP
冷负荷检测功能（CLP）
Raises the settings for a while after a long-dead feeder is re-energised, avoiding nuisance trips.
I2f / I1fInrush
浪涌电流检测功能
Recognises transformer inrush from the second harmonic and blocks false trips.
Id>ANSI 87
差动保护（
Compares the currents into and out of the plant and clears faults inside the zone fast.
软件特点
01拥有强大且易于使用的软件环境，用于设置各种功能
02能够记录多达 200 个示波器、行程日志
03拥有4个监管组
04信号路由软件模块，用于将功能信号分配给继电器输入和输出
05能够以 XRio 格式输出继电器设置
中继证书
- 电源研究所