SAP 2012 The Government ˇs Standard Assessment …

SAP 2012 version 9.92 (October 2013) 3 Table 1e: Heat capacities for some common constructions 195 Table 1f: Thermal mass parameter 196 …

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BRE FIRE CONFERENCE 2015

Part of the BRE Trust Water mist systems as an alternative to sprinklers BRE Fire Conference 2015 11th June 2015 Dr Louise Jackman Suppression Team, BRE Global

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Photovoltaics in Buildings - BRE

Photovoltaics in Buildings Guide to the installation of PV systems 2nd Edition the department for Enterprise DTI/Pub URN 06/1972 73376 COVERS 17/10/06 3:10 pm Page 2

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BRE RdSAP Manual 5 - Identifying basic …

V8.0 © Building Research Establishment Ltd 2012 32 Identifying basic constructions Covered in this section: § Traditional construction § Non-traditional construction

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Product Category Rules for Type III environmental …

Product Category Rules for Type III environmental product declaration of construction products to EN 15804:2012

IMPROVING SOUND INSULATION IN HOMES - BRE

Page 3 of 4 www.bre.co.uk/acoustics In some situations there may be insufficient ceiling height to accommodate new full size timber joists, or restrictions on the depth

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Minimum Explosible Concentration (MEC) - BRE

Minimum Explosible Concentration (MEC) The Minimum Explosible Concentration determines the lowest concentration of a dust or powder that will allow combustion.

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BRE Scotland Innovation Park

• To support the pathway to 2013 and 2016 low carbon step changes there are a number of Innovation Gateway’s underway • Whether in design, manufacture, construction, or product integration

  Innovation

Ensuring the performance of passive fire protection

Ensuring the performance of passive fire protection www.redbooklive.com How does approval benefit me? The LPS 1531 approval scheme offers benefits to specifiers, main

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Conventions for U-valuecalculations - BRE

5 Elements adjacent to an unheated space 18 6Expression of results 18 7U-values for walls 19 8 U-values for roofs 21 9U-values for floors 23 9.1 Slab-on-ground floor (ground-bearing floor slabs) 23

MEDIUM VOLTAGE SWITCHGEAR - alfanar

At the end of the 1990’s, IEC committees decided to modify the switchgear standard, the new changes took effect in November 2003 and are known as IEC 62271-200. Although the old IEC 60298 standard was helpful, new standards were required to …

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IS/IEC 62271-1 (2007): High-Voltage Switchgear and ...

This Indian Standard (Part 1) which is identical with IEC 62271-1 : 2007 ‘High-voltage switchgear and controlgear — Part 1: Common specifications’ issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendation of the High-Voltage

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IEC Webstore - International Electrotechnical Commission

Table 10 – Table of standard ratings in accordance with IEC 62271 -102 and their ... The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

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Circuit Breaker Ratings – A Primer for Protection Engineers

Mar 02, 2018 · C37.04 [1] and the IEC counterpart IEC 62271- 100 [2], use the X/R ratio of 17 (60 Hz system) and the 0.5- cycle relay operating time to establish a reference for the decaying dc condition component. With these assumptions, the standards ask breaker manufacturers to specify the nameplate interrupting rating for an asymmetrical current.

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Medium voltage products UniSec Technical Guide

According to standard IEC 62271-200, the service continuity (LSC) category describes the method by which other com-partments and/or functional units of the switchgear are able to remain in service when a main circuit compartment is opened. UniSec units on the basis

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AC High Voltage Circuit Breakers - IEEE Web Hosting

•Specific IEC standard: IEC 62271-205. •Circuit breaker is of GIS or Dead tank type •Depending on the capacitance of the liaison to overhead lines, it is considered as a GIS or AIS circuit breaker. In IEC it is considered to be AIS if the capacitance of the liaison between circuit breaker and a line is less than 1.2 nF. HV Circuit Breaker ...

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Switchgear Type 8DJH for Secondary Distribution Systems up ...

IEC 62271-103. Personal safety • Safe-to-touch and hermetically sealed primary enclosure • Standard degree of protection IP 65 for all high-voltage parts of the primary circuit, at least IP 2X for the switch-gear enclosure according to IEC 60529 and VDE 0470-1 • Cable terminations, busbars and voltage transformers

  Standards, 62271, Iec 62271

DISTRIBUTION TRANSFORMERS - alfanar

A -Standard Losses Transformers 14 B - High EfficiencyTransformers 16 ... IEC 62271-105 High-voltage swichgear and controlgear alternating current switch-fuse combination ... The vector group is the International Electrotechnical Commission (IEC) method of categorizing the high voltage (HV) windings and low voltage (LV) winding configurationsof ...

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TECHNICAL SPECIFICATION FOR ISOLATORS

3 Applicable standard IS : 9921 / IEC-129/IEC-62271-102 4 Pole 3 pole gang operator 5 Rated voltage nominal / maximum 400/420 220/245 132/145 33/36 6 Rated frequency 50 HZ + 5% 7 System earthing effectively earthed 8 Temperature rise As per relevant IS/IEC publication 9 Insulation level impulse with stand voltage ...

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