有14种标准报警：

Over Phase Current 过流，相位

Under Phase Current 欠流，相位

Over Voltage L-L 线电压过压

Under Voltage L-L 线电压欠压

Over Voltage L-N 相电压过压

Under Voltage L-N 相电压欠压

Over Active Power 过功率kW

Over Reactive Power 过功率kVAR

Over Apparent Power 过功率kVA

Leading True PF 超前PF，真

Lagging True PF 滞后PF，真

Over Frequency 过频率

Under Frequency 低频率

Over Voltage THD 过电压THD