IEC IEC 60747-17 Edition 1.02020-09 INTERNATIONAL STANDARD Semiconductordevices Part 17: Magnetic and capacitive coupler for basic and reinforced insulation IEC 60747-17:2020-09(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2020 IEC, Geneva, Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from copyright or have an enquiry about obtaining additional rights to this publication, piease contact the address below or your local IEC member National Committee for further information. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varembé [email protected] CH-1211Geneva 20 www.iec.ch Switzerland About the IEC International Standards for all electrical, electronic and related technologies. AboutIEcpublications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition,acorrigendumoranamendmentmighthavebeenpublished. IEC publications search - webstore.iec.ch/advsearchform Electropedia - www.electropedia.org The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology. variety of criteria (reference number, text, technical containing more than 22 000 terminological entries in English committee,..). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages. and withdrawn publications. Also known as the International Electrotechnical Vocabulary (IEV) online IEc Just Published - webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published IECGlossary-std.iec.ch/glossary details all new publications released.Available online and 67 000 electrotechnical terminology entries in English and once a month by email. French extracted from the Terms and Definitions clause of iEC publications issued since 2002. Some entries have been IECCustomerServiceCentre-webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and If you wish to give us your feedback on this publication or CISPR. needfurtherassistance,pleasecontact the Customer Service Centre: [email protected]. IEC IEC 60747-17 Edition 1.02020-09 INTERNATIONAL STANDARD Semiconductordevices- Part 17: Magnetic and capacitive coupler for basic and reinforced insulation INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 31.080.99 ISBN 978-2-8322-8801-6 Warning! Make sure that you obtained this publication from an authorized distributor. Registered trad of the Ir IEC 60747-17:2020 @ IEC 2020 CONTENTS FOREWORD. 1 Scope... 2 Normative references . 3 Terms and definitions 4 Electrical characteristics - Coupler logic and timing definitions.. 5 Coupler for protection against electrical shock. .20 5.1 General. .20 5.2 Type. 20 5.3 Ratings . 20 5.3.1 General 20 5.3.2 Safety limiting values.. 5.3.3 Functional ratings ... 5.3.4 Rated isolation voltages... 5.4 Electrical safety requirements .. .20 5.5 Electrical, environmental and/or endurance test information.. .21 5.5.1 General .. 21 5.5.2 Routine test. .23 5.5.3 Sample test. 5.5.4 Maximum surge isolation voltage 5.5.5 Type test .. .24 6 Measuring methods for couplers .35 6.1 General... 6.2 Isolation capacitance (Cjo). 6.2.1 Purpose.. .35 6.2.2 Circuit diagram .35 6.2.3 Measurement procedure .. .36 6.2.4 Precautions to be observed ... 36 6.2.5 Special conditions ... .36 6.3 Isolation resistance between input and output, Rio 36 6.3.1 Purpose... .36 6.3.2 Circuit diagram ... 6.3.3 Precautions to be observed .37 6.3.4 Measurement procedure .37 6.3.5 Special conditions .37 6.4 Isolation test . 37 6.4.1 Purpose 37 6.4.2 Circuit diagram .. .37 6.4.3 Test procedure 6.4.4 Requirements ... 6.5 Partial discharges of coupler... 6.5.1 Purpose.. .39 6.5.2 Circuit diagram ... .39 6.5.3 Description of Figure 9 test circuit and requirements ..... .39 6.5.4 Test procedure ... .40 6.5.5 Description of calibration circuit (see Figure 10) 40 IEC 60747-17:2020@IEC 2020 6.5.6 Test