A-ISOMETERÂ® IRDH375 IRDH375B - Bender

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Connection4.2.3 Connection with AGH204S-4This coupling device extends the nominal voltage range of A-ISOMETERs®used in AC systems including rectifiers.12AK<strong>IRDH375</strong>KEAK160 AK80AGH204S-4U3 V3 W3UnL1L2L3NPE1 without rectifiers U n = 3AC 0....1650 V (DC max. 1000 V)2 with rectifiers U n = 3AC 0....1300 V (max. AC voltage; max. DC voltageafter rectifiers in intermediate circuits of frequency converters:1840V)The maximum DC voltage is the voltage permitted to occur in the AC part ofan IT system to PE when the <strong>IRDH375</strong> is coupled with AGH204S-4 in thispart of the system. This voltage is dependent on the level of the nominal voltage,the type of rectification 6 pulse, 12 pulse,...), the type of converter intermediatecircuit (current... or voltage...), and the converter technology. Incase of converters, the maximum DC voltage in the intermediate circuit usuallycorresponds to the phase-to-phase voltage of the supplying AC systemmultiplied by 1.414.30 TGH1352en/11.2004
ConnectionIn case of current-controlled intermediate circuits of frequency converters,higher DC voltages are to be expected.The given voltage values for AC/DC systems take into account values foundby previous experience (factor 1.414 between DC voltage and AC voltage).The maximum DC voltage in case of insulation faults in the DC part of theIT system, for example converter intermediate circuit, is DC 1840 V. Fromthis, the maximum nominal AC voltage is calculated:U max = DC 1840 V / 1.414 = AC 1300 VTGH1352en/11.200431
Page 1 and 2: Operating ManualInsulationR =010KWf
Page 3 and 4: Table of Contents1. Safety informat
Page 5 and 6: Table of Contents5.6.1 Bus address
Page 7 and 8: 1. Safety information1.1 Use for th
Page 9 and 10: Safety information1.2.4 Inspection,
Page 11 and 12: Safety information1.4 Directions fo
Page 13 and 14: 2. Function2.1 Common characteristi
Page 15 and 16: Functionmessage, provided that the
Page 17 and 18: Function2.5 Additional functions IR
Page 19 and 20: FunctionISOnet Function (COM SETUP)
Page 21 and 22: 3. Commissioning flow chart (threep
Page 23 and 24: Commissioning flow chart (threepart
Page 25 and 26: 4. Connection4.1 WiringIRDH375(B) h
Page 27 and 28: ConnectionLegend to wiring diagram:
Page 29: Connection4.2.2 Connection with AGH
Page 33 and 34: 5. Operation and setting5.1 Operati
Page 35 and 36: Operation and setting5.1.3 Function
Page 37 and 38: Operation and settingTGH1352en/11.2
Page 39 and 40: Operation and setting5.2.1 Diagram
Page 43 and 44: Operation and settingDiagram ISO SE
Page 45 and 46: Operation and setting5.5 Menu ISO A
Page 51 and 52: Operation and setting5.8 Menu LANGU
Page 53 and 54: 6. Serial interfacesThe A-ISOMETERs
Page 55 and 56: Serial interfaces6.2 RS485 interfac
Page 57 and 58: Serial interfaces6.4 BMS protocol (
Page 59 and 60: Serial interfacesThe following tabl
Page 61 and 62: 7. Technical data IRDH375(B)7.1 Dat
Page 63 and 64: Technical data IRDH375(B)General da
Page 65 and 66: Technical data IRDH375(B)7.3 Charac
Page 67 and 68: Technical data IRDH375(B)Current ou
Page 69 and 70: Technical data IRDH375(B)Current ou
Page 71 and 72: Technical data IRDH375(B)Dimension
Page 73 and 74: Technical data IRDH375(B)7.4.3 Coup
Page 75 and 76: INDEXAAGH... 28Alarm LED 1 33Alarm
Page 77 and 78: INDEX77 TGH1352en/11.2004

A-ISOMETERÂ® IRDH375 IRDH375B - Bender

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