1、 IEC TS 62786 Edition 1.0 2017-04 TECHNICAL SPECIFICATION Distributed energy resources connection with the grid IEC TS 62786:2017-04(en)Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for Resale,04/14/2017 02:46:33 MDTNo reproduction or networking permit
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11、nder license with IECNot for Resale,04/14/2017 02:46:33 MDTNo reproduction or networking permitted without license from IHS-,-,-IEC TS 62786 Edition 1.0 2017-04 TECHNICAL SPECIFICATION Distributed energy resources connection with the grid INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 29.240.01 ISBN
12、978-2-8322-4218-6 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for Resale,04/14/2017 02:46:33 MDT
13、No reproduction or networking permitted without license from IHS-,-,-2 IEC TS 62786:2017 IEC 2017 CONTENTS FOREWORD.4 1 Scope and object.6 2 Normative references.6 3 Terms and definitions.6 4 Requirements on generating plants.11 4.1 General.11 4.2 Connection scheme.12 4.3 Choice of switchgear.12 4.3
14、.1 General.12 4.3.2 Interface switch.12 4.4 Normal operating range.12 4.4.1 General.12 4.4.2 Operating frequency range.12 4.4.3 Operating voltage range.13 4.5 Immunity to disturbances.13 4.5.1 General.13 4.5.2 Rate of change of frequency(ROCOF)immunity.13 4.5.3 Under voltage ride through(UVRT)requir
15、ements.13 4.5.4 Over voltage ride through(OVRT)requirements.14 4.6 Active power response to frequency deviation.14 4.7 Reactive power response to voltage variations and voltage changes.15 4.7.1 General.15 4.7.2 Reactive power control.15 4.7.3 Dynamic reactive power support capabilities.15 4.8 EMC an
16、d power quality.15 4.8.1 General.15 4.8.2 Direct current(DC)injection.16 4.9 Interface protection.16 4.10 Connection and start to generate electrical power.17 4.10.1 General.17 4.10.2 Connection of synchronous generators.17 4.10.3 Auto reclose of distribution lines.17 4.11 Active power management.18 4.12 Monitoring,control and communication.18 4.12.1 Monitoring and control.18 4.12.2 Communication.18 5 Conformance tests.18 Annex A(normative)Operating frequency range.19 Annex B(normative)Operating
