Electrical Installation Guide 2009 - the global specialist in energy ...

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A - General rules of electrical installation design2 Rules and statutory regulationsAIEC 60529IEC 60644IEC 60664IEC 60715IEC 60724IEC 60755IEC 60787IEC 60831IEC 60947-1IEC 60947-2IEC 60947-3IEC 60947-4-1IEC 60947-6-1IEC 61000IEC 61140IEC 61557-1IEC 61557-8IEC 61557-9IEC 61557-12IEC 61558-2-6IEC 62271-1IEC 62271-100IEC 62271-102IEC 62271-105IEC 62271-200IEC 62271-202Degrees of protection provided by enclosures (IP code)Spécification for high-voltage fuse-links for motor circuit applicationsInsulation coordination for equipment within low-voltage systemsDimensions of low-voltage switchgear and controlgear. Standardized mounting on rails for mechanical support of electrical devices in switchgearand controlgear installations.Short-circuit temperature limits of electric cables with rated voltages of 1 kV (Um = 1.2 kV) and 3 kV (Um = 3.6 kV)General requirements for residual current operated protective devicesApplication guide for the selection of fuse-links of high-voltage fuses for transformer circuit applicationShunt power capacitors of the self-healing type for AC systems having a rated voltage up to and including 1000 V - General - Performance, testingand rating - Safety requirements - Guide for installation and operationLow-voltage switchgear and controlgear - General rulesLow-voltage switchgear and controlgear - Circuit-breakersLow-voltage switchgear and controlgear - Switches, disconnectors, switch-disconnectors and fuse-combination unitsLow-voltage switchgear and controlgear - Contactors and motor-starters - Electromechanical contactors and motor-startersLow-voltage switchgear and controlgear - Multiple function equipment - Automatic transfer switching equipmentElectromagnetic compatibility (EMC)Protection against electric shocks - common aspects for installation and equipmentElectrical safety in low-voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protectivemeasures - General requirementsElectrical safety in low-voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protectivemeasuresElectrical safety in low-voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for insulation fault location in IT systemsElectrical safety in low-voltage distribution systems up to 1000 V AC and 1500 V DC - Equipment for testing, measuring or monitoring of protectivemeasures. Performance measuring and monitoring devices (PMD)Safety of power transformers, power supply units and similar - Particular requirements for safety isolating transformers for general useCommon specifications for high-voltage switchgear and controlgear standardsHigh-voltage switchgear and controlgear - High-voltage alternating-current circuit-breakersHigh-voltage switchgear and controlgear - Alternating current disconnectors and earthing switchesHigh-voltage switchgear and controlgear - Alternating current switch-fuse combinationsHigh-voltage switchgear and controlgear - Alternating current metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up toand including 52 kVHigh-voltage/low voltage prefabricated substations(Concluded)2.4 Quality and safety of an electrical installationIn so far as control procedures are respected, quality and safety will be assuredonly if:b The initial checking of conformity of the electrical installation with the standard andregulation has been achievedb The electrical equipment comply with standardsb The periodic checking of the installation recommended by the equipmentmanufacturer is respected.2.5 Initial testing of an installation© Schneider Electric - all rights reservedBefore a utility will connect an installation to its supply network, strict precommissioningelectrical tests and visual inspections by the authority, or by itsappointed agent, must be satisfied.These tests are made according to local (governmental and/or institutional)regulations, which may differ slightly from one country to another. The principles ofall such regulations however, are common, and are based on the observance ofrigorous safety rules in the design and realization of the installation.IEC 60364-6-61 and related standards included in this guide are based on aninternational consensus for such tests, intended to cover all the safety measures andapproved installation practices normally required for residential, commercial and (themajority of) industrial buildings. Many industries however have additional regulationsrelated to a particular product (petroleum, coal, natural gas, etc.). Such additionalrequirements are beyond the scope of this guide.The pre-commissioning electrical tests and visual-inspection checks for installationsin buildings include, typically, all of the following:b Insulation tests of all cable and wiring conductors of the fixed installation, betweenphases and between phases and earthb Continuity and conductivity tests of protective, equipotential and earth-bondingconductorsb Resistance tests of earthing electrodes with respect to remote earthb Verification of the proper operation of the interlocks, if anyb Check of allowable number of socket-outlets per circuitSchneider Electric - Electrical installation guide 2009
A - General rules of electrical installation design2 Rules and statutory regulationsAb Cross-sectional-area check of all conductors for adequacy at the short-circuitlevels prevailing, taking account of the associated protective devices, materials andinstallation conditions (in air, conduit, etc.)b Verification that all exposed- and extraneous metallic parts are properly earthed(where appropriate)b Check of clearance distances in bathrooms, etc.These tests and checks are basic (but not exhaustive) to the majority of installations,while numerous other tests and rules are included in the regulations to coverparticular cases, for example: TN-, TT- or IT-earthed installations, installations basedon class 2 insulation, SELV circuits, and special locations, etc.The aim of this guide is to draw attention to the particular features of different typesof installation, and to indicate the essential rules to be observed in order to achievea satisfactory level of quality, which will ensure safe and trouble-free performance.The methods recommended in this guide, modified if necessary to comply with anypossible variation imposed by a utility, are intended to satisfy all precommissioningtest and inspection requirements.2.6 Periodic check-testing of an installationIn many countries, all industrial and commercial-building installations, together withinstallations in buildings used for public gatherings, must be re-tested periodically byauthorized agents.Figure A3 shows the frequency of testing commonly prescribed according to thekind of installation concerned.Type of installationTestingfrequencyInstallations which b Locations at which a risk of degradation, Annuallyrequire the protection fire or explosion existsof employeesb Temporary installations at worksitesb Locations at which MV installations existb Restrictive conducting locationswhere mobile equipment is usedOther casesEvery 3 yearsInstallations in buildings According to the type of establishment From one toused for public gatherings, and its capacity for receiving the public three yearswhere protection againstthe risks of fire and panicare requiredResidentialAccording to local regulationsFig A3 : Frequency of check-tests commonly recommended for an electrical installationConformity of equipment with the relevantstandards can be attested in several ways2.7 Conformity (with standards and specifications)of equipment used in the installationAttestation of conformityThe conformity of equipment with the relevant standards can be attested:b By an official mark of conformity granted by the certification body concerned, orb By a certificate of conformity issued by a certification body, orb By a declaration of conformity from the manufacturerThe first two solutions are generally not available for high voltage equipment.Declaration of conformityWhere the equipment is to be used by skilled or instructed persons, themanufacturer’s declaration of conformity (included in the technical documentation),is generally recognized as a valid attestation. Where the competence of themanufacturer is in doubt, a certificate of conformity can reinforce the manufacturer’sdeclaration.© Schneider Electric - all rights reservedSchneider Electric - Electrical installation guide 2009
Page 1 and 2: Technical collectionElectricalinsta
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Chapter HLV switchgear: functions &
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Chapter JProtection against voltage
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K - Energy Efficiency in electrical
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Chapter MHarmonic management1234567
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M - Harmonic management6 Measuring
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