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上海特价7SJ6825-5EW22-3FE0,7SJ68功能特点:
1,事件记录存储个数为512,跳闸记录为16 次。装置的任何操作,如压板投退、修改定值等均有记录。
2,装置存储20 次故障录波,单次最长录波5 秒,总记录时间 20 秒,60 个可自定义二进制信号。装置启动、跳
闸、二进制开入量或ADC 自检故障均可以触发录波。
3,支持远方修改定值功能,此时电力系统数据中定值298 远方修改定值应设置为投入。
上海特价7SJ6825-5EW22-3FE0:MULTIFUNCTION PROTECTIVE RELAY
CASE 1/3 19", 11BI, 6BO,
1 LIVE-STATUS CONTACT
PHASE CURRENT TRANSFORMER 5A
SUPPLY VOLTAGE:DC 110V TO 250V,
AC 115V TO 230V,
BINARY INPUT THRESHOLD 176V DC
FLUSH MOUNTING CASE,
SCREW TYPE TERMINALS
(RING TYPE CABLE LUG CONNECT.)
REGION CHINA, 50HZ, IEC/ANSI,
LANGUAGE CHINESE
(LANGUAGE FIXED)
SYSTEM INTERFACE (PORT B)
IEC 60870-5-103 PROTOCOL, RS485
WITH FRONT PORT,
DIGSI 4/MODEM/RTD-BOX,
ELECTRIC RS485
WITH CONTROL,
WITH USER-PREDIFINED OBJECTS
FUNCTIONALITY:
PHASE OVERCURRENT (50/51):
I>,I>>,IP,REVERSE INTERLOCKING,
INDEPENDENT OF PHASE ROTATION,
EARTH-FAULT PROTECTION(50N/51N)
IE>,IE>>,IEP, INRUSH BLOCKING,
DIR. EARTH FIT. PROTECTION
(SENSITIVE OR NON-SENSITIVE):
IEE>, IEE>>,IEEP
67N(S)/50N(S)/51N(S),
UNDERCURRENT MONITORING (37),
NEGATIVE SEQUENCE PROTECT.(46),
PHASE SEQUENCE MONITORING (47),
DISPLACEMENT VOLTAGE (64/59N),
UNDER-/OVERVOLTAGE (27/59),
UNDER-/OVERFREQUENCY (81U/O)
FLEXIBLE PROTECT.FUNCTIONS(81R)
TRIP CIRCUIT SUPERVISION (74TC)
4 SETTING GROUPS, COLD LOAD
PICKUP, LOCK OUT (86)
WITHOUT AUTO-RECLOSURE
7SJ6825-5EW22-3FE0上海特
上海特价7SJ8041-5EB90-1FQ0-L0A
上海特价7SJ6225-5EB00-1FFO/FF
上海特价7SJ6111-5EB92-1FA0+LOS
上海特价7VK6111-5AB92-4YQ0+LOS
上海特价7UT6135-5EB02-1AAO
上海特价7SJ6121-5EB90-1FA0-LOD