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This Specification describes the functional and performance requirements for Busbar DAR, Mesh/Busbar Corner DAR and associated automatic plant isolation facilities. The general requirements relating to automatic switching are detailed in NGTS 2.15
NOTE 1 Throughout this part, the abbreviation BTS is used for a busbar trunking system. Where reference to Part 1 is made, the term ASSEMBLY therefore reads as "BTS". This part of IEC 61439 lays down the definitions and states the service conditions, construction requirements, technical...
Includes: HV Switchgear and busbars HV Transformers (Inc. voltage and current transformers) Traction Rectifiers DC LV Switchgear and busbars Catastrophic failure can be defined as either a disruptive failure of the equipment or electrical flashover causing damage to the equipment and...
This document applies to welded composite enclosures of cast and wrought aluminium alloy pressurized with dry air, inert gases (e.g. sulphur hexafluoride or nitrogen or a mixture of such gases), used in indoor and outdoor installations of high-voltage switchgear and controlgear with rated...
This document applies to wrought steel enclosures and their welding. These enclosures are pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor and outdoor installations of high-voltage switchgear and controlgear with...
This document applies to wrought aluminium and aluminium alloy enclosures and their welding. These enclosures are pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor and outdoor installations of high-voltage...
This document applies to wrought aluminium and aluminium alloy enclosures and their welding. These enclosures are pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor and outdoor installations of high-voltage...
This document applies to welded composite enclosures of cast and wrought aluminium alloy pressurized with dry air, inert gases (e.g. sulphur hexafluoride or nitrogen or a mixture of such gases), used in indoor and outdoor installations of high-voltage switchgear and controlgear with rated...
This European Standard applies to cast aluminium alloy enclosures pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor or outdoor installations of high-voltage switchgear and controlgear above 1 kV, where the gas is...
This European Standard applies to cast aluminium alloy enclosures pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor or outdoor installations of high-voltage switchgear and controlgear above 1 kV, where the gas is...
This document applies to the identification and marking of terminals of electrical equipment such as resistors, fuses, relays, contactors, transformers, rotating machines and, wherever applicable, to combinations of such equipment (e.g. assemblies), and also applies to the identification of...
This document applies to the identification and marking of terminals of electrical equipment such as resistors, fuses, relays, contactors, transformers, rotating machines and, wherever applicable, to combinations of such equipment (e.g. assemblies), and also applies to the identification of...
This Specification describes the functional and performance requirements for the protection of 400 kV, 275 kV and 132 kV bus section and bus coupler circuits. The detailed requirements for back-up protection for bus sections and bus couplers are specified in NGTS 3.6.7 Back-up Protection. The...
This standard applies to the design and construction of foundation earth electrodes. The requirement for the installation of such electrodes is set out in DIN VDE 0100-540 (VDE 0100-540), DIN 18015-1, and in the Technische Anschlussbedingungen
PURPOSE AND SCOPE This specification, in conjunction with related functional specifications, details the protection, control and measurements functions and the associated interconnectivity which are required within light current systems at 'Z' substations on National Grid's 400, 275 and 132kV...
