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PURPOSE AND SCOPE This Specification describes the functional and performance requirements and the facilities to be provided for the numerical protection of busbars at 400 kV, 275 kV and 132 kV double busbar switching stations. It also defines the interfaces to the appropriate bay...
This CP gives a description of the procedures and requirements related to documentation, design and type testing applicable for TA of bus trunk. This CP does not set the design requirements to the bus trunk. TA is based on compliance with design requirements given in the DNV GL rules and/or other...
Includes: ABB SMOS Light Switchgear pallets and busbars, installed at Western Route 25 kV substations and sites, west of Maidenhead. Table 1 shows the different equipment types included on the different pallet types.
Includes: 25 kV A.C. RATS (Rationalised Auto-transformer System) automation and IPC (Integrated Protection and Control) equipment, installed at Wales and Western ATFS, MPATS, SATS and ATS substation sites and Track Sectioning Switch Control Cubicles (TSSCCs) between Maidenhead MPATS and Canton ATFS...
PURPOSE: A WIRE COUNT is a Check that the correct number of wires or conductors is connected to each terminating point as shown on the wiring diagrams and any analysis. The wire count shall be carried out with all wires terminated and permanently labelled. Care shall be taken to include any links...
This part of IEC 62271 is applicable to three-pole alternating current switches for rated voltages higher than 52 kV, having making and breaking current ratings, for indoor and outdoor installations, and for rated frequencies up to and including 60 Hz. This document is also applicable to the...
This part of IEC 61534 specifies general requirements and tests for powertrack (PT) systems with a rated voltage not exceeding 277 V a.c. single phase, or 480 V a.c. two or three phase 50 Hz or 60 Hz with a rated current not exceeding 63 A. These systems are used for distributing electricity in...
PURPOSE AND SCOPE This procedure details the requirements for the preparation of contingency plans to be implemented in the event of a failure, unplanned outage, planned depletion or asset replacement of a complete numerical busbar protection system fitted at a 400 or 275kV double...
1 Scope and object This clause of Part 1 is applicable except as follows: Replace the existing text with the following: This part of IEC 61010 specifies safety requirements for HAND-HELD and hand-manipulated current sensors described below. These current sensors are for measuring, detecting or...
Scope and object Equipment included in scope This part of IEC 61010 specifies safety requirements for HAND-HELD and hand-manipulated current sensors described below. These current sensors are for measuring, detecting or injecting current, or indicating current waveforms on circuits without...
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 voltages...
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 rated...
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 switchgear and...
Cable boxes described in this European Standard correspond to cable boxes Type 2 in EN 50588-2 and are suitable for assembly on the cover of oil-immersed distribution transformers meeting the requirements of EN 50588-2. Cable boxes are air-filled, metal- or non-metal enclosed, for high- and/or...
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 switchgear 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 voltages...
IEC 62995:2018 specifies requirements for the installation of cabling on railway vehicles and within electrical enclosures on railway vehicles, including magnetic levitation trains and trolley buses. This document covers cabling for making electrical connections between items of electrical...
This document specifies requirements for the installation of cabling on railway vehicles and within electrical enclosures on railway vehicles, including magnetic levitation trains and trolley buses. NOTE With respect to trolley buses, this document applies to the whole electric traction system,...
Inclusions This module applies to the design of electrical circuits associated with: a) electro-mechanical signalling systems; b) electro-pneumatic signalling systems; c) relay based signalling systems; and d) electronic signalling systems. It applies to both internal and external circuits,...
