2024年4月14日发(作者：)

ANSI 代码

14

21

21N

24

25

27

27/59/81

32

32F

32R

37

40

46

47

48

49

49R

49S

50

50N

51G

51GN

51

51N

59

59N

64R

67

67N

67G

68/78

79

81

85

86

87G

87T

87B

87M

87L

87N

92

50BF

ENGLISH NAME 代 码 含 义

Zero speed and underspeed dev.

Distance Protction,phase 相间距离

Distance protection,ground 接地距离

Overfluxing 过励磁

Synchronism check 检同期

Undervoltage 低电压

U/f prtection 电压/频率保护

Directional power 功率方向

Forward power 正向功率保护

Reverse power 逆功率保护

Undercurrent or underpower 欠电流监测

Field failure 低励磁保护

Load unbalance,negative phase sequence 负荷不平衡保护

overcurrent 负序电流保护

Phase sequence voltage 负序过电压

Incomplete sequence,locked rotor,failure to

启动时间监视

accelerate

Thermal overload 热过负荷保护

Rotor thermal protection 转子过热保护

Stator thermal protection 定子过热保护

Instantaneous overcurrent 瞬时过流保护

Instantaneous gorund fault overcurrent 瞬时零序过流保护

Ground overcurrent relay 零序过流保护

Stator ground-fault overcurrent 定子接地过流保护

Overcurrent with time delay 时限过流保护

Ground-fault overcurrent with time delay 时限零序过流保护

Overvoltage 过电压保护

Residual voltage ground-fault protection

Rotor ground fault 转子接地保护

Directional overcurrent 方向过流保护

Directional ground-fault overcurrent 方向接地过流保护

Stator ground-fault,directional overcurrent 定子接地保护、方向过流保护

Out-of-step protection 失步保护

Autoreclose 自动重合闸

Frequency relay 频率保护

Carrier interface 远方跳闸

Lockout relay,start inhibit 跳闸锁定，禁止

Differential protection,generator 发电机差动保护

Differential protection,transf. 变压器差动保护

Differential protection,bus-bar 母差保护

Differential protection,motor 电动机差动保护

Differential protection,line 线路差动保护

Restricted earth-fault protection 限制性接地保护

Voltage and power directional rel. 电压及功率方向保护

Breaker failure 断路器失灵保护

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