PD IEC/TR 63021:2016 BSl Standards Publication Rotating electrical machinery - Natural graphite brush for slip-ring in wound rotor-type induction motor Application information bsi. PD IEC/TR 63021:2016 PUBLISHED DOCUMENT National foreword This Published Document is the UK implementation of IEC/TR 63021:2016 The UK participation in its preparation was entrusted to Technical Committee PEL/2, Rotating electrical machinery. A list of organizations represented on this committee can be obtained on request to its secretary This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @ The British Standards Institution 2016. Published by BSI Standards Limited 2016 ISBN 978 0 580 91409 6 ICS 29.160.01 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document was published under the authority of the Standards Policy and Strategy Committee on 30 September 2016. Amendments/corrigenda issued since publication Date Text affected PD IEC/TR 63021:2016 IEC IEC TR 63021 Edition 1.0 2016-09 TECHNICAL REPORT Rotating electrical machinery - Natural graphite brush for slip-ring in wound rotor-type induction motor - Application information INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.160.01 ISBN 978-2-8322-3602-4 Warning! Make sure that you obtained this publication from an authorized distributor. ?Registereo