EDS3365 Manual in PDF format - Bender

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About EDS3365Basic standardsIf a power supply system is set-up as an IT system, the relevant standards requirethat the first insulation fault to occur must be eliminated as quickly as possible:IEC 60364-4-41, Point 413.1.5.4 (Note),DIN VDE 0100 Part 410:1997-01, Point 413.1.5.4 (Note)It is recommended that the first fault should be eliminated with the shortestpractical delay.Rapid insulation fault location is made possible thanks to insulation fault locatingsystems such as the EDS3365, EDS3065, EDS473, EDS470 or RCMS470. In this way,the risk of the supply voltage being switched off because of a possible secondfault is considerably reduced.The standard IEC61557-9 deals with devices for insulation fault location in IT ACsystems during operation, IT AC systems with galvanically connected DC circuitsand IT DC systems. This international standard lays down some specialrequirements for insulation fault location systems in IT systems of up to AC 1000V and DC 1500 V.BENDER‘s insulation fault location systems are based on this standard IEC61557-9.As far as possible, this operating manual attempts to use the terminology of thedraft standard, including the term ‘insulation fault location system´. This indicatesnot only that insulation faults with 0 Ω (earth faults) are found, but also resistivefaults.In addition, IEC 61010-1 is applicable. The title of this international standard is”Safety requirements for electrical equipment for measurement, controland laboratory use”.Terms and definitionsI ∆I ∆nI ∆s= fault current. The current that comes to flow through an insulation fault.= rated residual operating current. The fault current at which the evaluatorunit responds under specified conditions.= measured value of the selective fault current of the evaluator unit.IMD = Insulation Monitoring DeviceRCM = Residual Current MonitorRCD = Residual Current Protective Device6TGH1320E/03.2000
2 Safety instructionsIntended useThe intended use of the EDS3365 is to:• locate insulation faults in IT systems, AC 50, 60 and 400 Hz, 20-265V and DC20-308 V.In addition to this, the EDS165-3 insulation fault evaluator – which is a componentof the EDS3365 – can be used to:• evaluate insulation faults in combination with a permanently installed EDS473insulation fault location system (EDS mode)• measure residual currents in TN and TT systems (RCM mode)Any other use, or any use which goes beyond the foregoing, is deemed to beimproper. The BENDER companies shall not be liable for any loss and damagesarising therefrom.As a basic principle our ”General Conditions of Sale and Delivery” shall apply.These shall be available to the operator no earlier than the time when the contract isconcluded.Warranty and liabilityWarranty and liability claims in the event of injury to persons or damage to propertyare excluded if they can be attributed to one or more of the following causes:• Inproper use of the EDS3365.• Improper assembly/fitting, commissioning, operation and maintenance of theEDS3365.• Failure to take note of the information in the operating instructionsconcerning transport, storage, assembly/fitting, commissioning, operation andmaintenance of the EDS3365.• Unauthorised structural modifications to the EDS3365.• Failure to take note of the technical data.• Improperly performed repairs and the use of spare parts or accessories whichare not recommended by the manufacturer• Cases of disaster brought about by the effect of foreign bodies and forcemajeure• The assembly and installation of non-recommended combinations of devices.In order to handle the EDS3365 in accordance with safety requirements and toensure ist trouble-free operation, the fundamental prerequisite is a knowledge of thebasic safety information and the safety regulations.PersonnelEveryone who works with the EDS3365 must take note of this operating manual,and in particular of the safety information.In addition to this, the rules and regulations concerning accident prevention whichare valid for the operating location must be obeyed.Only suitably qualified staff may work with the EDS3365. The term ‘qualified´ meansthat such staff are familiar with the assembly, commissioning and operation of theproduct and that they have undergone training which is appropriate to theiractivities.The staff must have read and understood the safety chapter and the warnings inthese operating instructions.Risks when operatingthe systemThe EDS3365 is built according to the state-of-the-art and the recognised safetyengineering rules. During use, it is nevertheless possible that dangers will arise tothe life and limb of the user or of third parties, or that the EDS3365 system or otheritems of property may be impaired. The EDS3365 must only be used:• for the purposes for which it is intended• when it is in perfect condition as regards safety engineering aspects7TGH1320E/03.2000
Page 4 and 5: 1 About the EDS3365What is EDS3365T
Page 8 and 9: Safety instructionsAny faults which
Page 10 and 11: 3 Op erating principle of the EDS33
Page 12 and 13: Operating principle of the EDS3365F
Page 14 and 15: ONOperating principle of the EDS336
Page 16 and 17: Product descriptionParts listThe ED
Page 18 and 19: Product descriptionTest device PGH1
Page 20 and 21: Product descriptionTechnical dataED
Page 22 and 23: 5 Op eration and S ettingFactory se
Page 24 and 25: Operation and S ettingThe EDS165-3
Page 26 and 27: Operation and S ettingThe EDS165-3
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Page 32 and 33: Points to be considered before useC
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Page 40 and 41: ONPractical useInsulation fault loc
Page 42 and 43: Practical useSequence of theinsulat

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