Intrinsically safe power supplies for use in coal mines Specification for a.c. power supplies

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-09-1982

Publisher

British Standards Institution

Foreword
Cooperating organizations
Specification
1 Scope
2 Definition
3 Design and construction
4 Marking
5 Routine tests
Appendices
A Guidance on interconnection with other equipment
B Measurement of leakage inductance
Tables
1 Output characteristics and component specifications
2 Maximum inductance of cables and load for connection
to the output of the power supply
Figure
1 Circuit arrangement for intrinsically safe a.c. power
supply

Specifies the requirements for the construction and testing of a range of mains-fed power supply units. The power supplies provide an intrinsically safe a.c. output.

This Part of this standard specifies requirements for the construction and testing of a range of mains fed power supply units intended to be certified intrinsically safe for use in coal mines and which provide an intrinsically safe a.c. output of the following voltages:

a 12 V r.m.s. output to supply intrinsically safe apparatus where maximum power availability is the predominant requirement;
a 15 V r.m.s. output to supply intrinsically safe apparatus where a higher operating voltage is more important than available power.

It is intended that the components forming the power supply circuit be assembled on to a chassis that may be incorporated within either a flameproof enclosure or, where the power supply unit is located outside a potentially explosive atmosphere, within some other suitable enclosure. Requirements for these enclosures are not given in this standard.

NOTE The titles of the publications referred to in this standard are listed on the inside back cover.

Committee	W/-
DevelopmentNote	Supersedes 80/72154 DC (09/2005) Reviewed and confirmed by BSI, January 2011. (12/2010)
DocumentType	Standard
Pages	10
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 1975:1957

BS 6709:1986	Specification for interconnection of electrical apparatus, constructed to two or more British Standards, for use in mines susceptible to firedamp
BS 6680:1985	Specification for flameproof equipment for diesel engines for use in coal mines and other mines susceptible to firedamp
BS 6704:1996	Code of practice for selection, installation and maintenance of intrinsically safe electrical equipment in coal mines
BS 5754:1987	Specification for electrical analogue and state signals for use in coal mines
BS 6182-1:1994	Intriniscally safe power supplies for use in coal mines Specification for d.c. power supplies
BS 6182-3:1982	Intrinsically safe power supplies for use in coal mines Specification for rechargeable battery units

BS 6182-1:1982	Intrinsically safe power supplies for use in coal mines Specification for d.c. power supplies
BS 5501-7:1977	Electrical apparatus for potentially explosive atmospheres Intrinsic safety \'i\'
BS 6182-3:1982	Intrinsically safe power supplies for use in coal mines Specification for rechargeable battery units

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BS 6182-2:1982

Intrinsically safe power supplies for use in coal mines Specification for a.c. power supplies

Table of Contents

Abstract

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Standards Referencing This Book

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