IEC TS 62898-3-1:2020
(Main)Microgrids - Part 3-1: Technical requirements - Protection and dynamic control
Microgrids - Part 3-1: Technical requirements - Protection and dynamic control
IEC TS 62898-3-1:2020(E) provides guidelines for the specification of fault protection and dynamic control in microgrids. Protection and dynamic control in a microgrid are intended to ensure safe and stable operation of the microgrid under fault and disturbance conditions.
This document applies to AC microgrids comprising single or three-phase networks or both. It includes both isolated microgrids and non-isolated microgrids with a single point of connection (POC) to the upstream distribution network. It does not apply to microgrids with two or more points of connection to the upstream distribution network, although such systems can follow the guidelines given in this document. This document applies to microgrids operating at LV or MV or both. DC and hybrid AC/DC microgrids are excluded from the scope, due to the particular characteristics of DC systems (extremely large fault currents and the absence of naturally occurring current zero crossings).
This document defines the principles of protection and dynamic control for microgrids, general technical requirements, and specific technical requirements of fault protection and dynamic control. It addresses new challenges in microgrid protection requirements, transient disturbance control and dynamic disturbance control requirements for microgrids. It focuses on the differences between conventional power system protection and new possible solutions for microgrid protection functions.
Depending on specific situations, additional or stricter requirements can be defined by the microgrid operator in coordination with the distribution system operator (DSO).
This document does not cover protection and dynamic control of active distribution systems. This document does not cover product requirements for measuring relays and protection equipment.
This document does not cover safety aspects in low voltage electrical installations, which are covered by IEC 60364 (all parts and amendments related to low-voltage electrical installations). Requirements relating to low voltage microgrids can be found in IEC 60364-8-2.
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IEC TS 62898-3-1
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Microgrids –
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IEC TS 62898-3-1
®
Edition 1.0 2020-09
TECHNICAL
SPECIFICATION
colour
inside
Microgrids –
Part 3-1: Technical requirements – Protection and dynamic control
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.240.01 ISBN 978-2-8322-8764-4
Warning! Make sure that you obtained this publication from an authorized distributor.
® Registered trademark of the International Electrotechnical Commission
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– 2 – IEC TS 62898-3-1:2020 © IEC:2020
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 8
4 Microgrid protection requirements . 15
4.1 General . 15
4.2 Main requirements specific to microgrids . 16
4.2.1 General . 16
4.2.2 Phase fault protection . 16
4.2.3 Earth fault protection . 17
4.3 General protection requirements . 17
4.3.1 General .
...
IEC TS 62898-3-1
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Edition 1.1 2023-11
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INTERNATIONAL
STANDARD
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Microgrids –
Part 3-1: Technical requirements - Protection and dynamic control
IEC TS 62898-3-1:2020-09/AMD1:2023-11 CSV(en)
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THIS PUBLICATION IS COPYRIGHT PROTECTED
Copyright © 2023 IEC, Geneva, Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
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IEC TS 62898-3-1
®
Edition 1.1 2023-11
CONSOLIDATED VERSION
INTERNATIONAL
STANDARD
colour
inside
Microgrids –
Part 3-1: Technical requirements - Protection and dynamic control
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.240.01 ISBN 978-2-8322-7827-7
Warning! Make sure that you obtained this publication from an authorized distributor.
® Registered trademark of the International Electrotechnical Commission
---------------------- Page: 3 ----------------------
IEC TS 62898-3-1
®
Edition 1.1 2023-11
CONSOLIDATED VERSION
REDLINE VERSION
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inside
Microgrids –
Part 3-1: Technical requirements - Protection and dynamic control
IEC TS 62898-3-1:2020-09/AMD1:2023-11 CSV(en)
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– 2 – IEC TS 62898-3-1:2020+AMD1:2023 CSV
© IEC 2023
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 8
4 Microgrid protection requirements . 15
4.1 General . 15
4.2 Main requirements specific to microgrids . 16
4.2.1 General . 16
4.2.2 Phase fault protection . 16
4.2.3 Earth fault protection . 17
4.3 General protecti
...
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