Hitachi WJ200 Series Software Installation Manual Download Page 12 | Manualshive

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Chapter 2

– Electromagnetically compatible installation of drives and drive systems

2-9

The following figure shows the required EMC compliant connection to the motor:

good HF-connection between
heat sink and motor housing

required EMC-cable connection

metall box

U

V

W PE

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Summary of Contents for WJ200 Series Software

Page 1: ...Electromagnetically Compatible Installation Guide Book Inverter Series WJ200 Hitachi Europe GmbH ...

Page 2: ...ING RADIATED INTERFERENCE 2 5 USING EMC COMPLIANT CABLES 2 6 INSTALLING THE MOTOR CABLE 2 7 INSTALLING CONTROL AND SIGNAL LINES 2 7 SHIELDING AND GROUNDING FOR INSTALLATION IN SWITCH CABINETS 2 8 CHAPTER 3 INFLUENCE OF THE MOTOR CABLE LENGTH 3 1 CHAPTER 4 FURTHER NOTES 4 1 INFLUENCE OF GROUND FAULT MONITORING DEVICES 4 1 COMPONENTS SUSCEPTIBLE TO INTERFERENCE 4 1 CHAPTER 5 TECHNICAL SPECIFICATIONS...

Page 3: ...ls etc Ignore this and you may get an electric shock WARNING The protective conductor connection between filter and drive must be designed as a solid and permanent installation Plug in connections are not permissible WARNING The use of ground fault monitoring devices is not recommended Should they be compulsory in certain applications for safety reasons you should choose monitoring devices which a...

Page 4: ... drives very rapidly switch large currents and voltages to optimally supply connected electric motors They are thus major sources of interference generating both line conducted and radiated interference The additional use of line filters also called interference suppression filters and installation in a metal housing or a switch cabinet further improve the existing interference immunity For the be...

Page 5: ...d behind the respective frequency inverter and thus require no additional space for installation These filters are intended for installation in switch cabinets as standard Vertical mounting next to the frequency inverter is also possible Note All filters are designed for 50 60Hz Frequency Inverter Line Power spcification Line Filter WJ200 002 004SF 1 200 V 10 to 240V 5 FPF 9120 10 SW WJ200 007SF F...

Page 6: ...requency inverter or solely via cable shield is not permitted as protective conductor connection The filter must be solidly and permanently connected with the ground potential so as to preclude the danger of electric shock upon touching the filter if a fault occurs You can achieve this by connecting it with a grounding conductor of at least 10mm2 connecting a second grounding conductor connected w...

Page 7: ...EN61800 3 Cable length Inverter carrier frequency Frequency inverter Category C1 2 25m Max 10kHz WJ200 004 007 030 040 055 075 110 150HF Category C2 50m Max 10kHz 2 The inverter needs to be installed in a metal cabinet to meet category C1 Otherwise category C2 Filter FPF 9120 10 SW FPF 9120 14 SW FPF9120 24 SW Switch position 0 Low leakage current EN61800 3 Cable length Inverter carrier frequency ...

Page 8: ...rference field emitted by the frequency inverter falls sharply with increasing distance Please note that the emitted interference field frequency range 30 MHz 1 GHz of a drive drive system is measured at a distance of 10 m in accordance with EN61800 3 Every device placed closer than 10 m to a source of interference will thus be impacted by appreciably higher interference amplitudes For this reason...

Page 9: ...should be preferred when shielding is to be implemented The contact or transition resistance between the individual stranded conductors of the shielding The performance of the shielding improves if this resistance is kept as low as possible The following diagram shows the transfer impedance for various cable types By comparing the cables individual design the shielding effectiveness can be estimat...

Page 10: ...in the cable If the use of reactors contactors terminals or safety switches in the motor output is necessary i e if the shield must be interrupted then the unshielded section should be kept as small as possible It is better to install the reactor contactor terminal or safety switch in a metal housing with as much HF damping as possible The shield connection to the metal housing should again be mad...

Page 11: ... standard EN60204 1 Electrical Equipment of Industrial Machinery You get optimum EMC only if you properly arrange and mount the Hitachi frequency inverter the appropriate line filter and the other equipment which might be necessary on a metal mounting plate in accordance with the following mounting instructions The following figure shows a Hitachi inverter using a foot print filter ...

Page 12: ...patible installation of drives and drive systems 2 9 The following figure shows the required EMC compliant connection to the motor good HF connection between heat sink and motor housing required EMC cable connection metall box U V W PE ...

Page 13: ...riggering of a ground fault monitoring device that may be present Long motor cables lead to thermal overload of the line filter due to the higher line conducted interference If a motor choke of appropriate size is used you have the following advantages It can counteract unwanted shut off due to overload described above The thermal load on the EMC line filter is reduced In multiple motor applicatio...

Page 14: ... monitoring devices which are suited for DC AC and HF ground currents In addition you should ensure that their responsiveness and time characteristics are adjustable so that a disturbance is not immediately caused the first time the frequency inverter is switched on Components susceptible to interference The following components must be classified as particularly susceptible to interference from e...

Page 15: ...t 40 C 3 x 5A 3 x 11A 3 x 14A 3 x 25A 3 x 44A Leakage current in mA phase 50Hz worst case 1 3 40 24 46 3 4 59 23 73 25 69 24 Leakage current in mA phase 50Hz Un 2 3 2 4 1 3 3 8 0 2 2 3 1 3 4 8 1 3 4 7 1 3 Test voltage in V DC for 1s ph ground 1770 1770 1770 1770 1770 Dimensions Single wire litze 6 mm 6 mm 6 mm 10 mm 25 mm Output cable 3x2 5 mm 3x2 5 mm 3x2 5 mm 3x6 mm 3x10 mm Weight in kg approx 0...

Page 16: ... specifications and dimensions of WJ200 filter 5 2 Current at 40 C ambient temperature Overload 1 5 x IN for 3min Frequency 50 60 Hz Material Metal housing Humidity class IEC Clamate Category acc to IEC60068 1 25 100 21 ...

Page 17: ...Chapter Technical specifications and dimensions of WJ200 filter 5 3 FPF 9120 10 SW FPF 9120 14 SW FPF 9120 24 SW ...

Page 18: ...Chapter Technical specifications and dimensions of WJ200 filter 5 4 FPF 9340 05 SW FPF 9340 10 SW FPF 9340 14 SW ...

Page 19: ...Chapter Technical specifications and dimensions of WJ200 filter 5 5 FPF 9340 30 SW FPF 9340 30 SW ...

Page 20: ...r than or equal to the value provided in the table below at the interface point between the user s supply and the public system It is the responsibility of the installer or user of the equipment to ensure by consultation with the distribution network operator if necessary that the equipment is connected only to a supply with a short circuit power Ssc greater than or equal to the value mentioned in...

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