Es.2.06.0001 - Rev A - Electrical Installation - Recommended Practises

Transcript

  QATAR GENERAL PETROLEUM CORPORATIONTECHNICAL DIRECTORATETechnical Services DepartmentEngineering Standard ES.2.06.0001Electrical InstallationRecommended Practices- Revision A - StatusIndicatorDateSignaturePreparedENE/732AUG 99 Original signed by ENE/732  CheckedENE/73AUG 99 Original signed by ENE/73  ApprovedEEAUG 99 Original signed by EE  AC7SC0AB0  Revision APage 2TABLE OF CONTENTS1.0Introduction2.0Custodian3.0Purpose4.0Application5.0Preface to ES.2.06.0001 5.1Extracts from the preface to ES.2.03.0001 6.0Project Documentation 6.1Sources of documents6.2Application of documents6.3Standards, codes and regulations 7.0Service and Environmental Conditions 7.1Ambient temperature for design purposes7.2Meteorological information for general use7.3Special requirements for equipment installed in hazardous areas7.3.1Area classification7.3.2Selection and installation of equipment7.4Contractors responsibility for safety on site7.5Test records7.6Visual inspection7.7Scope of testing at site7.7.1Installation contractor 7.7.2Manufacturer of new equipment7.7.3Requirements of a particular project7.8General requirements for testing cables 8.0Switchboards and Motor Control Centres 8.1Preliminary checks8.2Installation8.3Post-installation un-energised testing8.4Post-in energised testing8.5Commissioning energised testing8.5.1Protection relays8.5.2Electrical functional testing8.5.3High voltage testing8.6Testing when cabling is complete8.6.1Consumers8.6.2Incomer circuit breakers8.6.3Bus-section and bus-coupler circuit breakers 9.0Transformers 9.1Preliminary checks9.2Installation9.3Post-installation un-energised testing9.4Post-installation energised testing  Revision APage 3 9.5Commissioning energised testing9.5.1High voltage testing9.5.2Switching into normal service 10.0Turbine Driven Generators 10.1Division of discipline responsibilities10.2Preliminary checks10.3Installation10.4Post-installation un-energised testing10.4.1Generators without unit transformers10.4.2Generators with unit transformers10.4.3Auxiliary equipment10.5Post-installation energised testing10.6Commissioning energised testing10.6.1High voltage testing10.6.2Testing control systems10.6.2.1AVR controller 10.6.2.2Governor controller 10.6.3Running on open-circuit10.7Synchronused with other sources 11.0Engine Driven Generators 11.1Division of discipline responsibilities11.2Preliminary checks11.3Installation11.4Post-installation un-energised testing11.4.1Generators without unit transformers11.4.2Generators with unit transformers11.4.3Auxiliary equipment11.5Post-installation energised testing11.6Commissioning energised testing11.6.1High voltage testing11.6.2Testing control systems11.6.3Running on open-circuit11.7Synchronised with other sources 12.0HV Motors 12.1Division of discipline responsibilities12.2Preliminary checks12.3Installation12.4Post-installation un-energised testing12.5Post-installation energised testing12.5.1Shaft coupling12.6Commissioning energised testing12.6.1High voltage testing12.6.2Testing control systems of synchronous motors12.6.3Starting time and starting current 13.0LV Motors 13.1Preliminary checks13.2Installation13.3Post-installation un-energised testing  Revision APage 4 13.4Post-installation energised testing13.5Commissioning energised testing13.5.1Shaft coupling13.5.2Running lightly loaded 14.0Drying Out Generator and Motor Windings15.0Packaged and Skid Mounted Equipment 15.1Preliminary checks15.2Installation15.3Post-installation testing and commissioning 16.0Cables and the Installation of Cables 16.1Laying of cables in all installations16.1.1Qualified cable jointers and supervision16.1.2Site modifications to the design16.1.3Cable drums and drum schedules16.1.4Basic installation practices16.1.4.1Cables supported on racks or trays above or below ground16.1.4.2Cleating and securing cables16.1.4.3Cable transits16.1.4.4Cables protected at ground level16.1.4.5Conduit installations16.2Laying of cables in land-based installations16.2.1Cables laid directly in the ground16.2.2Cables laid in pipes or ducts16.2.3Derating cables for environmental conditions16.3Laying of cables in platform-based installations16.3.1The use of conduit systems16.4Glanding and termination of cables16.5Special considerations for installing 33Kv (and above) cables16.5.1Site considerations16.5.2Additional requirements for cables laid direct in ground16.5.3Additional requirements for cables drawn into ducts16.5.4Cables at road-crossings and in areas accessible to vehicles16.5.5Cables supported on poles and in buildings16.5.6Terminations for 33kV (and above) cables16.5.6.1Power cables16.5.6.2Terminating and jointing conductors16.5.6.3Cable identification16.5.6.4Stand off insulators16.5.6.5Cable route markers above ground16.5.6.6Concrete cable tiles 17.0Batteries, D.C. and A.C. Uninterruptable Power Supply Systems 17.1Safety17.2Terminology17.3Vented lead acid batteries17.4Vented nickel-cadmium batteries17.5Sealed lead acid batteries17.5.1Operational restrictions17.5.2Battery room temperature