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ISOSCAN® EDS460-DG

ISOSCAN® EDS460-DG

绝缘故障评估仪EDS460-DG 与绝缘监视仪ISOMETER® IRDH575或定位电流发射器PGH组合使用，用于直流电源系统中(IT系统)的绝缘故障定位。由绝缘监视仪IRDH575或定位电流发射器PGH发出定位电流信号，并且由测量电流互感器扫面后绝缘故障评估仪进行相应的评估。一台EDS460-DG可以连接12个测量电流互感器。 如果有超过12路电路需要监视，通过RS-485接口可以连接90台EDS评估仪（BMS协议），因此可以同时监视1080个回路。最大扫描时间约为4…10 s，参考TGH1429。这个设备版本尤其适用于涉及高系统泄漏电容的系统 (20000 µFV，参考“技术参数”章节中的特征)。

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ISOSCAN® EDS440

ISOSCAN® EDS440

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  • Insulation fault location in IT systems
  • For DC IT systems (20…308 V)
  • Control and display function within one device
  • 12 measuring channels (circuits) for measuring current transformers of the CTAC, WR, WS series
  • Up to 90 EDS evaluators in one system (1080 measuring channels)
  • Scanning time max. 10 s for all measuring channels (parallel scanning)
  • Response sensitivity 2…10 mA
  • History memory to store 300 events
  • Two alarm relays with one changeover contact each
  • N/O or N/C operation, selectable
  • Connection external test/reset button
  • Indication via graphical display
  • BMS address range 1…90
  • Serial RS-485 interface
  • Continuous CT connection monitoring
  • Fault memory behaviour selectable
  • Additional AC residual current measurement
  • Insulation fault location in DC IT systems
  • DC main circuits in industrial installations and ships
  • Diode-decoupled DC IT systems in power stations

 

可选配件 ISOSCAN® EDS460-DG

Accessories
TypeSupply voltage USArt. No.
DI-1DL (interface repeater)AC 85…260 V, 50…60 HzB95012047
DI-2USB (interface converter RS-485/USB)supplied by the USB port, no additional power supply required.B95012045
AN471 (power supply unit for DI-1 or DI-2)AC 230 V 50/60 Hz/AC, DC 20 VB924189
* Absolute values

Protocol converters
TypeSupply voltage USArt. No.
COM465IPAC/DC 24…240 V, 50…60 HzB95061065
COM462RTUAC/DC 76…276 V, 42…460 HzB95061022

Measuring current transformers
TypeInside diameter/mmType of constructionArt. No.
CTAC20ø 20circularB98110005
CTAC35ø 35circularB98110007
CTAC60ø 60circularB98110017
CTAC120ø 120circularB98110019
CTAC210ø 210circularB98110020
WR70x17570 x 175rectangularB98080609
WR115x305115 x 305rectangularB98080610
WS20x3020 x 30split-coreB98080601
WS50x8050 x 80split-coreB98080603
WS80x8080 x 80split-coreB98080605
WS80x12080 x 120split-coreB98080606
WS80x16080 x 160split-coreB98080608

Alternative measuring current transformers from the Bender range
TypeInside diameter/mmType of constructionArt. No.
W10/60010circular-typeB911761
W0-S2020circular-typeB911787
W1-S3535circular-typeB911731
W2-S7070circular-typeB911732
W3-S105105circular-typeB911733
W4-S140140circular-typeB911734
W5-S210210circular-typeB911735
WR70x175S70x175rectangularB911738
WR115x305S115x305rectangularB911739
WR150x350S150x350rectangularB911740
WR200x500S200x500rectangularB911763
WS50x80S50x80split-coreB911741
WS80x80S80x80split-coreB911742
WS80x120S80x120split-coreB911743
WS80x160S80x160split-coreB911755

版本 ISOSCAN® EDS460-DG

Ordering information
TypeSupply voltage Us*Response valueArt. No.
EDS460-DG-1DC 16…94 V / AC 16…72 V, 42…460 Hz2…10 mAB91080018
EDS460-DG-2AC/DC 70…276 V / AC 42…460 Hz2…10 mAB91080019
EDS460-DGW-1DC 16…94 V / AC 16…72 V, 42…460 Hz2…10 mAB91080018W
EDS460-DGW-1AC/DC 70…276 V / AC 42…460 Hz2…10 mAB91080019W
* Absolute values
EDS460-DGW.. Version for increased climatic and mechanical stresses.

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