601-275B - CDN 3083-S100 User Manual english.indd
Contents
1. a EN Surge Network 1 L1 T ali EN o en FE Pra Figure 7 IEC coupling basic configuration All IEC EN 61000 4 5 coupling possibilities are listed For easy understanding the coupling network INA 3080 input is identified by X1 while the outputs are marked with X2 and X3 Depending on coupling mode selected following con nections are to be established for TASEO Advanced Test Solutions for EMC 26 IEC line to line Generator Loop on Decopling network output INA 3080 CDN 3083 5100 High LOW L1 L2 L3 L1 N X1 N X2 to X3 x3 L1 L2 x1 L2 X2 to x3 L1 L3 x1 L3 X2 to x3 L2 X1 X3 to X2 X2 L2 L1 X1 L1 X3 to X2 2 12 13 1 L3 X3to X2 2 L3 x1 X3to X2 x2 L3 L1 x1 L1 X3 to X2 X2 L3 L2 X1 2 X3to X2 2 IEC line to ground Generator Loop on Decopling network output INA 3080 CDN 3083 5100 High Low N L1 L2 L3 N X1 PE X2 to X2 X3 L1 PE X1 PE X2 to X2 x3 L2 PE x1 PE to x2 L3 PE x1 PE to x2 Table 1 Selection of IEC coupling modes Manual high current coupling network 3083 S100 Photo 8 IEC coupling L2 PE TASEO Advanced Test Solutions for EMC 28 Photo 9 IEC coupling L1 PE 5 1 1 Optional IEC coupling Optional coupling modes are possible with a second sur2. The following symbol draws your attention to a circumstance where non observation of the warning could lead to inconvenience or impairment in the performance Example This connection must not be confused with the EUT power input The following symbol draws your attention to a circumstance where non observation of the warning could lead to component damage or danger to the operating personnel Example Never connect or disconnect the EUT while the test system is performing a test Never connect or disconnect the coupling path while the test system is performing a test TASEO Advanced Test Solutions for EMC 5 Lethal danger from high voltages and the risk of radiat ing illegal electromagnetic interference The CDN 3083 may only be installed and used by authorised and trained EMC specialists electrical engi neers The CDN 3083 must only be used for EMC tests as set down in these operating instructions Personnel fitted with a heart pacemaker must not operate the instrument and must not be in the vicinity of the test rig while it is in operation Lethal danger from high voltages and the risk of high levels of electromagnetic radiation being generated When the system is used in conjunction with options accessories or other equipment the safety instructions concerning those devices must also be observed Manual high current coupling network 3083 S100 2 SAFETY ADVICE mmm The coupling netwo
3. 2 Diagnostic 1 X Y3to Y3 Yes Y2 x3 X2 Diagnostic 2 x1 PE Y3 to Y3 Yes Y2 X2 Table 2 Selection of ANSI coupling modes TASEO Advanced Te st Solutions for EMC 29 30 Photo 10 ANSI coupling basic 1 Basic 1 Basic 2 Basic 3 Basic 4 oO 7 Supplemental 1 Supplemental 2 Supplemental 3 Supplemental 4 Manual high current coupling network CDN 3083 S100 Diagnostic 1 Diagnostic 2 Photo 11 ANSI coupling diagnostic 1 TASEO Advanced Test Solutions for EMC 32 6 EFFECTS ON THE EUT The surge pulse contains considerable energy When super imposed on the mains a significant resultant current can occur if the EUT becomes defective The effects can be very different depending on the characteristics of the equip ment undergoing the test No effect Brief faulty operation without permanent damage Reduction of the insulation resistance or similar Quality is affected life expectancy Change in the technical specification of the device under test Flash over in cables connectors and equipment Bursting of components Explosion of components Burning of parts caused principally by resultant mains current when mains superposition mode is used Damage to equipment systems or components that are electrically or nductively coupled to the pulse current path When testing with high energy surge pulses a test on gt a device should never be consid
4. 4 2 2 Mounting positioning plates Screw the base plates positioning plates of the synch unit and of the cou pling unit with the knurled screws to the foreseen holes on the outside of the decoupling networks Connect the synch lines safety banana connector to the decoupling units If CDN 3083 decoupling networks are not placed correctly the positioning plates can not be screwed on CDN 3083 5100 Surge Decoupling Network 12 13 CDN 30835100 Surge Decoupling Network N L1 x Photo 2 Synchronisation plate l h and positioning plate r h Manual high current coupling network CDN 3083 S100 4 2 3 Assembly for IEC coupling 19 For IEC coupling add the coupling modules INA 3080 in the middle of the positioning plate and press it slightly down into the positioning holes Fix the INA by pushing the black quick snap on knobs down The CDN 3083 is now ready to use a E m L L3 ell le 9 a INA 3080 ell Surge Coupling Unit L L2 2 MEE L1 S NET 9 L1 le N On Figure 3 Location of IEC coupling module Photo 3 View of IEC coupling module TASEO Advanced Test Solutions for EMC 20 4 2 4 Assembly for ANSI coupling or additional IEC lines coupling mode For ANSI coupling add both coupling units INA 3080 on the positioning plate and press it slightly down into the positioning holes Fix the INAs by pushing the
5. Installation should only be carried out by experienced personnel 8 b n Check the delivery for completeness Check the unit for any signs of damage in transit Report any damage found to the carrier immediately Study the manual Set up the surge generator in accordance with the instructions in its manual but do not however switch the instrument on For convenience place the coupling network close to the generator Connect the protective earth to the terminal The same protective earth should also be connected to the earth terminal of the generator Plug the high voltage connectors into the surge generator Connect the INA 3085 synchronisation unit to the generator Connect the EUT supply Switch on the mains power at the generator Choose the appropriate coupling mode Connect the device to be tested according to the relevant safety specifi cations and with due regard to the magnitude of the pulse voltage selected Take the necessary measures to cope with any possible explosion or outbreak of fire Switch on the EUT power supply Operate the generator as instructed in its manual and carry out the required tests It is assumed that the test rig has been set up in accordance with the foregoing notes and that the device to be tested has been connected taking the relevant safety measures into account EUT input voltage is limited to max 440 Vrms line to When used with a generator NSG 3040 Mod
6. MANUAL HIGH CURRENT COUPLING NETWORK CDN 3083 S100 USER MANUAL 601 275A Advanced Test Solutions for EMC MANUAL HIGH CURRENT COUPLING NETWORK CDN 3083 S100 USER MANUAL CONTENTS 1 2 2 1 2 2 2 3 2 3 1 2 3 2 3 4 4 1 4 1 1 4 2 4 2 1 4 2 2 4 2 3 4 2 4 4 3 4 3 1 4 3 2 4 4 5 5 1 51 1 5 2 6 7 8 9 10 Explanation of the symbols used in this manual Safety advice Safety measures Installation Installation of an equipment under test power switch Applicable safety standards Leakage current Applications Assembling of test rig and the CDN sub units Installation of a test rig Dummy connector for NSG 2050 Preparation of the CDN 3083 Mounting of the common earth bars Mounting positioning plates Assembly for IEC coupling Assembly for ANSI coupling or additional IEC lines coupling mode EUT connections EUT power feed Earth connection Test conditions Couplings mode overview IEC coupling modes Optional IEC coupling ANSI coupling mode Effects on the EUT Maintenance Technical specifications CDN 3083 S100 Warranty Addresses N 10 11 12 14 15 16 16 16 18 19 21 21 22 23 24 25 28 28 32 33 34 37 38 1 EXPLANATION OF THE SYMBOLS USED IN THIS MANUAL Please take note of the following explanations of the symbols used in order to achieve the optimum benefit from this manual and to ensure safety during operation of the equipment
7. IEC EN 61000 4 5 and ANSI C62 41 2002 TASEO Advanced Test Solutions for EMC 14 4 ASSEMBLING OF TEST RIG AND THE CDN SUB UNITS E The 3083 5100 contains following parts 1A 1U IEC co BW 1 INA 3080 Surge coupling un IEC ANSI coupling set 2 INA 3080 Surge coupling un 1 Surge decoupling network 3083 5100 L1 1 Surge decoupling network CDN 3083 5100 L2 L3 2 Earth rails key isolated ser manual CDN 3083 E Test certificate upling set t t 1 Connection cable 0 5 m Fischer Fischer connector Depending on generator used the CDN set may include following complemen tary items for NSG 2050 generator system 1 INA 3085 Synchronisation unit for NSG 2050 system E 2x 1D Cable 1 m with Fischer Lemo connector ummy plug for NSG 2050 generator NSG 3040 or Modula BW 1 INA 3084 Synchronisation unit for NSG 3040 or Modula 2x Cable 1 m with each a Fischer Fischer connector Optionally fulfil the ANSI specification or optional IEC line coupling mode a second INA 3080 is required All necessary connection cables are included Manu al high current coupling network 3083 S100 4 1 installation of a test rig This section describes the check up and installation of the CDN 3083 coupling network after delivery as well as providing a check on the functions of the unit after being transported or following to significant changes within the test rig
8. ISO registered company Its products are designed and manufactured under the strict quality and environmental requirements of the ISO 9001 This document has been carefully checked However Teseq does not assume any liability for errors or inaccuracies
9. TASEO Advanced Test Solutions for EMC 23 24 5 COUPLINGS MODE OVERVIEW mum Following all possible coupling modes are described Never run the CDN with a loose end of the coupling unit All connectors need to be plugged The following example shows a coupling from L3 to N whereby the generator High output is connected to the INA 3083 surge coupling unit input One end is looped so we will have the recommended 18 UF capacitance required for line to line coupling according to IEC EN 61000 4 5 The other pulsed end is connected to L3 The generator low output is directly connected to the N line For synchronisation purpose the loose end of the INA 3085 synchronisation unit needs to go to the synch connection of the generator The zero cross reference is taken all the time from phase L1 to N So that phase shift of 120 from L1 to L2 and another 120 from L2 to L3 needs to be taken into account and set manually in the generator setting Manual high current coupling network 3083 S100 To Generator synch Input To Generator Output High 25 To Generator Output Low Figure 6 Example of IEC coupling L3 N Alternative connection possibilities are summarized in table 1 hereafter 5 1 IEC coupling modes CDN 3083 5100 EN RR L3 me a Surge Coup tng unit e EN 1 2 gu 1 5
10. black quick snap on knobs down The CDN 3083 is now ready to use INA 3080 CDN 3083 5100 Sume Connie Unit Surge Decoupling Network upe Carpine t p A 12 13 po Q INA 30 Surge Coupling Unit E CDN 30835100 UH Surge Decoupling Network N L1 a W Photo 4 View of ANSI coupling modules Because of the coupling capacitors the mains voltage can E be present at the HV connectors when the EUT power supply is switched on The HV connectors must therefore always be hooked up to the generator before the mains and the EUT power supply are switched on Manual high current coupling network CDN 3083 S100 4 3 EUT connections The CDN 3083 is equipped with EUT terminals suitable for a max wire gauge of 110 mm AWG 4 4 0 230 torque max 20 Nm The in house power distribution needs to be equipped with a proper circuit breaker and an emergency off button as per IEC EN 61010 1 2001 4 3 1 EUT power feed The power is fed in via 5 core cable leads EUT power output Use only the delivered isolated allen key to screw the cables to the terminals Never touch the terminals during the EUT power is on Do not mismatch the EUT power input of the CDN and the EUT power input EUT power output CDN 30835100 Surge Decoupling Network 0 13 CDN 3083 5100 Surge Decoupling Ne N L1 Figure 5 Identification of EUT power input and output TASEO Advanced Tes
11. to be taken to test sites where it is commonly impossible to move large installations in For convenience the CDN 3083 can be disassembled in handy parts and can easily move to other places Optional wheels with braking features can be mounted to manoeuvring the coupler even on ramps and uneven surfaces Injecting surge pulses into power connections always involves a careful weigh ing up of partially conflicting requirements On the one hand the power network has to be protected from the interference signals while the effects of the pulses are concentrated on the item under test yet on the other hand the back filter must not result in any significant voltage drop In order to keep voltage losses within reasonable limits with increasing current levels the IEC has defined three classes of filter inductances namely up to 25 A 25 to 60 A and 60 to 100 A Note Classic high current couplers cannot therefore be used any longer for lower current levels since the filtering effect is insufficient Manual high current coupling network 3083 S100 Through the use of special choke technology Teseq has managed to avoid the costly disadvantage of using several couplers By using an auto adaptive back filter the CDN 3083 fulfils the requirements for both protection and voltage drop over the range from just a few amps to full load Further construction features make the application of the unit even more univer sal The nominal maximum cu
12. 80 Surge coupling unit 2 INA 3080 Surge coupling unit 1 Connection cable following complementary items are required NA 3085 Synchronication unit for SG 2050 system x Cable 1 m with Fischer Lemo plug Dummy plug for NSG 2050 generator NA 3084 Synchronisation unit for SG 3040 and Modula x Cable 1 m with each a Fischer Fischer lug Consult factory 1 N 2 1 1 N 2 p Manual high current coupling network 3083 S100 Pulse voltages current EUT power supply voltage Current Frequency EUT connection Max temperature Decoupling conditions Coupling modes Dimensions Weight Optional accessories IEC coupling modes 8 kV 4 kA max 35 Line to line or line to PE 620 Vrms or 620 VDC max max 440 Vrms for NSG 3040 and Modula 100 Arms or DC max per line DC to 60 Hz 400 Hz max with increased power loss Screw terminals 230 A up to 110 mm AWG 4 4 0 70 C AS per IEC EN 61000 4 5 and ANSI C62 45 Surge differential lines to PE common to PE with ANSI coupling set or with optional INA 3080 coupling unit for IEC 850 x 520 x 345 LX D x H mm sion 80 kg approx INA 3080 Surge coupling unit for IEC MD 300 Current measuring probe MD 200 200A Voltage measuring probe Line to ground 9 uF L1 PE L2 PE L3 PE N PE Line to line 18 UF 1 N 1 12 1 13 12 N 12 13 L3 N TASEO Advanced Test Solutions for EMC Lines to
13. ered as being damage free until a subsequent thorough investigation proves that the EUT is still fully intact Manual high current coupling network CDN 3083 S100 7 MAINTENANCE mmm Basically there is no need of maintenance and the CDN does not contain ser viceable parts The housing may be cleaned with a moist cloth with possibly just a trace of detergent liquid Industrial spirit is also a suitable cleaning agent Other solvents are not permitted Only specialist or trained maintenance personnel may carry out internal work onthe instrument In the event of more service or repair work being necessary the instrument should be returned to a Teseq service center accompanied by an appropriate description of the problem The instrument contains no fuses TASEO Advanced Test Solutions for EMC 33 34 8 TECHNICAL SPECIFICATIONS 3083 5100 The CDN 3083 is a 3 phase manual coupling network for surge interference pulses as per IEC EN 61000 4 5 and ANSI C62 45 and other related standards The 3083 5100 base set is consisting of Optionally required either IEC coupling set or IEC ANSI coupling set Depending on generator used for NSG 2050 generator system Modula NSG 3040 3060 1 Surge decoupling network 3083 5100 N L1 1 Surge decoupling network CDN 3083 8100 L2 L3 2 Earth rails 1 Wheel set 1 Allen key isolated 1 User manual CDN 3083 E 1 Test certificate 1 INA 30
14. ge Particular care should be given to the connections between the CDN 3083 and the equipment under test EUT The EUT may only be tested when placed inside a suitable protective enclo sure which should provide shock protection against flying fragments fire and electric The pulse voltage must not be able to find its way to unearthed metal objects in the event of the EUT failing Only use the instrument in Never Regula EUT of Do not by qua eave the instrumen rly check the heat o if the temperature open the instrumen a dry room t unattended when the EUT is switched on the CDN using the built in thermometer and switch should exceed 70 C t Repairs and adjustments must only be carried out ified maintenance personnel Do not continue to use th e CDN should any mechanical damage occur The CDNs housing and the cables have both insulating and screening function which can only be assured while the housing is intact Return the damaged CDN to a Teseq service centre immediately for repair Manual high current coupling network CDN 3083 S100 2 2 Installation The test system conforms to protection class 1 Local installation regulations must be respected to ensure the safe flow of leakage currents bidden Therefore it is imperative to screw both earth HE Operation without a protective earth connection is for copper rails to the CDN or out terminals Use the insulated allen key al
15. ge coupling unit L1 L2 PE L1 L3 PE L1 N PE L2 L3 PE L2 N PE L3 N PE NA 3080 Those are different multiline couplings to ground such as L1 L2 L3 PE L1 L2 N PE L1 L3 N PE L2 L3 N PE L1 L2 L3 N PE 5 2 ANSI coupling mode For coupling modes required by ANSI standard a second INA 3080 needs to be added on the CDN 3083 Manual high current coupling network CDN 3083 S100 e S dra 2 eal 2 x K 2 INA 3084 3085 Synchronisation Unit ee T ERIS X2 L3 ha 1 ji T o 1 3 7 31 Bo 0 1 CDN 30835100 P Y2 Surge Deca uping Net L1 i P Y1H m ie tvs e 3 Q F Figure 8 ANSI coupli ANSI coupling n g basic configuration Generator Loopon Connection Decopling network output INA 3080 from 1 CDN 3083 5100 High Low N L1 2 L3 Basic 1 X1 PE Y2 X3 2 Basic 2 X L1 X2 to e X3 Basic 3 X1 L2 X2 to X3 2 Basic 4 X L3 Y3 to Y2 o Y2 Suplemental 1 X PE Y2 to Y3 Suplemental 2 x1 PE Y3to Y2 Y2 Suplemental 3 x1 PE X2 to X3 Suplemental 4 X PE X3to X2
16. ground 9 uF Basic 1 Basic 2 Basic 3 Basic 4 9 UF 18 pF 18 pF 18 UF ERE NN OP Supplemental 1 18 UF Supplemental 2 18 UF Supplemental 3 18 UF Supplemental 4 18 UF 2 Diagnostic 1 9 UF Diagnostic 2 9 UF Optional IEC coupling modes possible only with second INA 3080 L1 L2 PE L1 L3 PE L1 N PE L2 L3 PE L2 N PE 13 N L1 L2 L3 PE L1 L2 N PE L1 L3 N PE L2 L3 N PE L14 L2 L3 N ANSI coupling modes possible only with second INA 3080 L1 L2 L3 N 12 ES 2 L1 L3 N PE L1 PE L2 PE 3 PE L1 L2 L3 N L1 L2 L3 PE Manual high current coupling network 3083 S100 9 WARRANTY leseq grants a guarantee of 2 years on this instrument effective from the date of pu Durin tiona Exclu rchase g this period any defective component part will be repaired or replaced free of charge or if necessary the instrument will be replaced by another of equivalent value The decision regarding the method of reinstating the func capability is at the sole discretion of Teseq ded from the guarantee are damage or consequential damage caused throu third gh negligent operation or use as well as the replacement of parts subject to degradation The guarantee is rendered invalid by any intervention by the customer or a party The goods are to be retur
17. ned in the original packing or other equivalent packing suitable for the purpose of the foreseen means of transport Teseq shall accept no re sponsibility for damage in transit TASEO Advanced Test Solutions for EMC 37 Headquarters Teseq AG 4542 Luterbach Switzerland T 41 32 681 40 40 F 41 32 681 40 48 sales teseq com www teseq com China Teseq Company Limited T 86 10 8460 8080 F 86 10 8460 8078 chinasales teseq com Germany Teseq GmbH T 49 30 5659 8835 F 49 30 5659 8834 desales teseq com Singapore Teseq Pte Ltd T 65 6846 2488 F 65 6841 4282 singaporesales Taiwan Teseq Ltd T 4 886 2 2917 8080 F 886 2 2917 2626 taiwansales Q9 teseq com USA Teseg Inc T 1 732 417 0501 1 732 417 0511 Toll free 1 888 417 0501 usasales teseq com To find your local partner within Teseq s global network please go to www teseq com Manufacturer Teseq AG 4542 Luterbach Switzerland T 41 32 681 40 40 F 41 32 681 40 48 sales teseq com France Teseq Sarl 33 139 47 42 21 33 139 47 40 92 francesales teseg com Japan Teseq K K T 81 3 5725 9460 F 81 35725 9461 japansales teseq com Switzerland Teseq AG T 41 32 681 40 50 F 41 32 681 40 48 sales teseq com UK Teseq Ltd T 44 845 074 0660 F 44 845 074 0656 uksales teseq com December 2010 Teseq Specifications subject to change without notice Teseq is an
18. rk CDN 3083 is intended for use with surge generators These generators produce high voltage test pulses with high energy Improper or careless handling can be fatal The instru ment must only be used by trained personnel These operating instructions form an integral part of the equipment and must be studied carefully before putting the device into use It needs to be available to the operating personnel at all times All the safety instructions and advice notes are to be observed Keeping responsibility to the instructions and recommendations that follow is imperative The safety advice referring to the generators also applies and must be complied with when using the instruments together with the CDN 3083 Neither Teseq AG Switzerland nor any of the associated sales organizations accept any responsibility for personal injury or for material or consequential damage that may results through irresponsible or negligent operation of this equipment EUT input voltage is limited to max 440 Vrms line to line and 440 Vrms line to ground If this level should be exceeded the generator might be damaged EH When used with a generator NSG 3040 or Modula the TASEO Advanced Test Solutions for EMC 2 1 Safety measures Persons fitted with a heart pacemaker must not operate the instrument and should not be in the vicinity of the test rig when pulses are triggered The test rig must provide adequate insulation protection for up to 10 kV sur
19. rrent rating of 100 A per phase can during short test periods be considerably exceeded The unit will tolerate the frequently encountered inrush currents without complaint and in extreme cases it can be overstressed until the internal environment has reached the max temperature of 70 The CDN 3083 is hence usable where otherwise a CDN for more than 100 A would be necessary For single phase application even 200 A per phase is pos sible by paralleling 2 decoupling network paths and adding decoupling units The CDN 3083 is tested for safety in compliance with IEC 61010 The rugged connection terminals together with the solid earth line assure a proper con nection this in combination with a rugged housing The coupling network CND 3083 serves to inject the following standardized surge pulses from the surge generator into the mains supply to the device under test Voltage surge of up to 8 kV which follows the 1 2 50 us curve open circuit Current surge of up to 4 kA which follows the 8 20 us curve short circuit conditions The CDN 3083 is designed to be used with an EUT supply of up to 620 Vrms at 100 A resp 440 Vrms in use with NSG 3040 and Modula Operation is manual simple and designed to be safe The construction takes into account the relevant specifications issued by the VDE and IEC concerning personal safety The CDN 3083 enables coupling modes with all types of symmetrical and asym metrical coupling given in the
20. t Solutions for EMC 21 22 Photo 5 View of EUT power input connection side When used with a generator NSG 3040 or Modula the EE EUT input voltage is limited to max 440 Vrms line to line and 440 Vrms line to ground If this level should be exceeded the generator might be damaged 4 3 2 Earth connection The earth connection terminal ensures a positive link to the copper earth rail connected on the CDN housing On the CDN unit EUT power out side it is electrically connected to the middle connection identified by earth connection symbol In case of a test installa tion with a solid earth e g a Faraday cage this earth terminal can be used to form a star connection point for the earth wires of the test setup 4 4 Test conditions Every test rig must be planned carefully All the instrumentation should be readily accessible and rigidly positioned Cable connections are to be made positively Manual high current coupling network CDN 3083 S100 The whole test assembly should be supplied from the same mains connection in order to prevent uncontrolled flow of pulse current in other parts of the system Instal lation in a Faraday cage ensures that non associated items and equipment are not disrupted by pulses radi ated from the cabling or the device under test Con nections to the EUT must be of low impedance and be made with high contact pressure Otherwise welding or arcing might occur at the contact points
21. ula the line and 440 Vrms line to ground If this level should be exceeded the generator might be damaged TASEO Advanced Test Solutions for EMC 15 4 1 1 Dummy connector for NSG 2050 Using the CDN 3083 together with NSG 2050 system a dummy plug needs to be connected at the back plane of the NSG 2050 system defined as CDN On the NSG 2050 itself the coupling mode L1 gt N needs to be selected 4 2 Preparation of the CDN 3083 Prepare the test setup conform to the chosen standard and put both decoupling network units etc to the place where the CDN shall be used for testing 4 2 1 Mounting of the common earth rails Place the two surge decoupling networks in parallel to each other Looking from the top make sure that the N L1 network is below the L2 L3 network To enable proper synchronisation assure that side L1 gt being placed next to L2 Use the delivered isolated allen key to screw the copper earth rails on to both ends of the decoupling networks 2 x 2 screws each side per network Make sure that the copper rail is properly mounted and tightened Use only the delivered screws Manual high current coupling network CDN 3083 S100 Figure 1 Top view on CDN units Photo 1 Assembly of copper earth rail After this preparation work the CDN is stable enough for being turned to its side prior to mounting the wheels at the bottom of the case if required TASEO Advanced Test Solutions for EMC 17
22. uld be located close to the test setup In order to ensure an easy and quick access to the equipment under test EUT power same should be clearly and visibly labelled as a device for EUT power on off switching The in house power distribution needs to be equipped with a proper circuit breaker and an emergency off button as per IEC EN 61010 1 2001 The test setup should only be accessible to trained persons Dimensioning of mains supply and rating of fuse protection of AC or DC power supply must conform with national prescriptions and EUT requirements Inappropriate arrangement mounting cabling or handling of the device under test or the protective elements can make the protective features that are incor porated in the concept of the instrument worthless 2 3 1 Applicable safety standards Development and manufacture is in compliance with ISO 9001 The instrument complies with the safety requirements of IEC EN 61010 1 safety requirements of electrical equipment for measurement control and laboratory use The interference immunity has been tested in accordance with EN 61326 1 It is the user s responsibility to ensure that the test rig does not emit exces Sive electromagnetic interference EMI that might affect other items The test System itself does not produce any excessive radiation however the injection of interference pulses into the EUT can result in the device and or its associated cables starting to radiate EMI To a
23. void radiating unwanted interference into the environment the standards organisations recommend that the test rig be operated in a Faraday cage Manual high current coupling network 3083 S100 2 3 2 Leakage current Local installation regulations must be respected to ensure the safe flow of eakage currents Use only nationally approved connectors and accessory items Ensure that a reliable return path for the interference current is provided between the EUT and the coupling network The reference ground plane and the earth connections to the instruments as described in the relevant test standard serve this purpose well TASEO Advanced Test Solutions for EMC 11 12 3 APPLICATIONS mum with the prevailing high power consumption for electronically controlled indus trial installations the need for high current couplers goes in line The manual coupling network CDN 3083 fulfils the requirements called for in the surge standard IEC EN 61000 4 5 including the new features concerning high currents as well as in the ANSI C62 45 and other relevant standards The form of construction selected suits the demands placed on the instrument in its working environment In its basic form the coupler is made for use on a floor or for table top placement in an EMC laboratory or in a development workshop It can be even mounted onto the wall to have free space on test bench for instance High current couplers may need
24. ways Hn Switch off EUT power before accessing EUT power in when working on the terminals Two independent protective earth connections are necessary for the test System and the EUT These must be connected back to the local permanent installation or to a fixed permanent protective earth conductor Operate the equipment only in dry surroundings Any condensation that occurs must be allowed to evaporate before putting the equipment into operation Do not exceed the permissible ambient temperature or humidity levels Use only officially approved connectors and accessory items Ensure that a reliable return path for the interference current is provided between the EUT and the generator The reference ground plane and the earth connections to the instruments as described in the relevant test standard serve this purpose well Since the instrument works on principle with two independent power supplies one for the generator and one for the EUT the CDN 3083 must be disconnected from both sources before any modifications to the test rig are undertaken Besides the mains connections themselves certain components also operate at high voltages which are not provided with any form of extra protection against being accidentally touched TASEO Advanced Test Solutions for EMC 10 2 3 Installation of an equipment under test power switch It is recommended to connect the CDN through a properly rated power switch device which sho
Download Pdf Manuals
Related Search