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施耐德系统TSXDMZ28DT分接开关接触不良接触不良使得接触电阻增大,消耗加大,发热厉害。尤其当切换分接头后和变压器过负荷运行时很有可能发生这种情况。2.绕组匝间短路匝间短路就是相邻几个线匝之间的绝缘损坏。这将造成一个闭合的短路环路,同时使该相的绕组匝数减少。短路环路内存在着交变磁通感应出来的短路电流,将产生高热,并可能导致变压器烧毁。3.铁芯硅钢片间存在短路回路由于外力损伤或绝缘老化等原因使硅钢片间漆皮绝缘损坏,会增大涡流,造成局部过热,严重时还会熔伤,这就是所谓的铁芯起火。4.其他部位接触不良引起局部过热。处理意见:密切监视过热部位温度变化,确保运行,分析过热原因,联系调度,停电处理。
6ES5470-7LB13 6ES5 470-7LB13 Analog Output Module - 8AO
6ES5470-7LC11 6ES5 470-7LC11 Analog Ouput Module - 8AO
6ES5470-7LC12 6ES5 470-7LC12 Analog Output Module - 8AO
6ES5470-7LC13 6ES5 470-7LC13 Analog Output Module - 8AO
6ES5482-7LA11 6ES5 482-7LA11 Digital Input/Output Module
6ES5482-7LF11 6ES5 482-7LF11 Digital Input/Output Module
6ES5482-7LF21 6ES5 482-7LF21 Digital Input/Output Module
6ES5482-7LF31 6ES5 482-7LF31 Digital Input/Output Module
6ES5498-1AA11 6ES5 498-1AA11 Analog Input Sub-Module
6ES5498-1AA21 6ES5 498-1AA21 Analog Input Sub-Module
6ES5498-1AA31 6ES5 498-1AA31 Analog Input Sub-Module
6ES5498-1AA41 6ES5 498-1AA41 Analog Input Sub-Module
6ES5498-1AA51 6ES5 498-1AA51 Analog Input Sub-Module
6ES5498-1AA61 6ES5 498-1AA61 Analog Input Sub Module
6ES5498-1AA71 6ES5 498-1AA71 Analog Input Sub-Module
6ES5490-7LA11 6ES5 490-7LA11 Front Connector
6ES5490-7LA21 6ES5 490-7LA21 Front Connector
6ES5490-7LB11 6ES5 490-7LB11 Front Connector
6ES5490-7LB21 6ES5 490-7LB21 Front Connector
6ES5490-7LC11 6ES5 490-7LC11 Front Connector
6ES5490-7SA11 6ES5 490-7SA11 Simulation Connector Assembly
6ES5490-7SA21 6ES5 490-7SA21 Simulation Connector Assembly
Mounting Racks - Siemens S5-115U and S5-115F
Simatic S5
Part # Alternate Format
Part # Description
6ES5700-0LA11 6ES5 700-0LA11 Central Mounting Rack
6ES5700-0LA12 6ES5 700-0LA12 Central Mounting Rack
6ES5700-1LA11 6ES5 700-1LA11 Central Mounting Rack
6ES5700-1LA12 6ES5 700-1LA12 Central Mounting Rack
6ES5700-2LA11 6ES5 700-2LA11 Central Mounting Rack
6ES5700-2LA12 6ES5 700-2LA12 Central Mounting Rack
6ES5700-2LA22 6ES5 700-2LA22 CR700-2F Mounting Rack
6ES5700-2LB11 6ES5 700-2LB11 Subrack CR2
6ES5700-3LA12 6ES5 700-3LA12 Central Mounting Rack
Chassis IM modules - Siemens S5-115U and S5-115F
Simatic S5
Part # Alternate Format
Part # Description
6ES5305-7LA11 6ES5 305-7LA11 IM305 Interface Module
6ES5305-7LB11 6ES5 305-7LB11 IM305 Interface Module
6ES5306-7LA11 6ES5 306-7LA11 IM306 Interface Module
Part # Alternate Format
Part # Description
6ES5921-3KA12 6ES5 921-3KA12 CPU921
6ES5921-3WB14 6ES5 921-3WB14 CPU921WB
6ES5921-3WB15 6ES5 921-3WB15 CPU921WB
6ES5924-3SA11 6ES5 924-3SA11 CPU924
6ES5924-3SA12 6ES5 924-3SA12 CPU924
6GK6050-0AB00-0AQ1 RUGGEDCOM RX5000PN MNT R2
6GK6050-0AB00-0AR0 RUGGEDCOM RX5000PN MNT R3
6GK6050-0AB00-0AR1 RUGGEDCOM RX5000PN MNT R3
6GK6050-0AB00-0CA0 RUGGEDCOM RX5000PN MNT PM
6GK6050-0AB00-0DA0 RUGGEDCOM RX5000PN MNT RM
6GK6050-0AL10-0AA0 RUGGEDCOM RX5000PN PS XX
6GK6050-0AL10-0AA1 RUGGEDCOM RX5000PN PS XX
6GK6050-0AL13-0AA0 RUGGEDCOM RX5000PN PS HI
6GK6050-0AL13-0AA1 RUGGEDCOM RX5000PN PS HI
6GK6050-0AL16-0AA0 RUGGEDCOM RX5000PN PS HIF
6GK6050-0AL16-0AA1 RUGGEDCOM RX5000PN PS HIF
6GK6050-0AL20-0AA0 RUGGEDCOM RX5000PN LM BLANK
6GK6050-0AL20-0AA1 RUGGEDCOM RX5000PN LM BLANK
6GK6050-0AL20-0BB0 RUGGEDCOM RX5000PN LM 8FX01
停产老型号库存
CP60 P0961FR
CP40B P0961BC
51F工作站
51F工作站网卡
BNBT P0971WV
NCNI
FCM10E
FCM10EF
GCIO
FOXBORO P0960HA
FOXBORO P0700WB
FOXBORO P0971WV
FOXBORO P0903ZE
FBM07 CM400YH
FBM03 P0400YD
FBM09 CM400YK
CMP10 P0400VP
FOBORO P0400VT
P0960JA CP40
P0951AP FOR FBC21
P0951BA-0E FBP10
P0951EA FBC07
P0960GC WP30
P0961BC CP40B
Foxboro I/A P0912HM
Foxboro I/A P0913ED
Foxboro I/A P0911ZZ
Foxboro I/A P0911VW MIW GCIO
Foxboro I/A P0911AC
Foxboro I/A P0904AJ
Foxboro I/A P0901VK
Foxboro I/A P0800DA
Foxboro P0972QM-0C
Foxboro I/A PM400VP
Foxboro I/A P0700WB
Foxboro I/A P0700WB
Foxboro I/A P0400YV
Foxboro I/A P0400YT
Foxboro I/A P0400YP
Foxboro I/A P0400VT
Foxboro I/A P0400VR
Foxboro I/A P0400DL
Foxboro I/A P0914ZM
Foxboro I/A P0914XA
Foxboro I/A P0961CA
Foxboro I/A P0400VP
Foxboro I/A P0911PU
Foxboro I/A P0400QK
Foxboro I/A P0400QK
Foxboro I/A P0400QJ
Foxboro I/A P0400QA
Foxboro I/A P0400DL
Foxboro I/A P0902DZ
FOXBORO I/A 83W-D01S1SSTNA
Foxboro I/A PM400YP
Foxboro I/A PM700WB
6ES5925-3KA12 6ES5 925-3KA12 CPU925K
6ES5925-3SA11 6ES5 925-3SA11 CPU925
6ES5925-5AA12 6ES5 925-5AA12 CPU925A
6ES5926-3KA12 6ES5 926-3KA12 CPU926
6ES5926-3SA11 6ES5 926-3SA11 CPU926
6ES5926-3SA12 6ES5 926-3SA12 CPU926
6ES5926-5AA12 6ES5 926-5AA12 CPU926A
6ES5927-3KA13 6ES5 927-3KA13 CPU927K
6ES5927-3SA11 6ES5 927-3SA11 CPU927
6ES5927-3SA12 6ES5 927-3SA12 CPU927