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BSI PD IEC/TS 62257-9-3:2016

BSI PD IEC/TS 62257-9-3:2016

$102.76

Recommendations for renewable energy and hybrid systems for rural electrification – Integrated systems. User interface

Published By Publication Date Number of Pages
BSI 2016 18
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This part of IEC 62257, which is a technical specification, specifies the general requirements for the design and the implementation of the interface equipment within the user’s installation which connects to a microgrid or the generating part of a standalone system.

This interface is a part of the user’s installation as shown in Figure 1.

This part of IEC 62257 applies to simplified user’s interfaces (distribution board) in electrical installations with maximum power of 500 VA in Decentralized Rural Electrification Systems (DRESs).

NOTE For installations above 500 VA in decentralized electrification systems, IEC TS 62257-5 applies.

This part of IEC 62257 applies to an interface equipment within the user’s installation and which connects the user’s installation to:

  • 240 V or 230 V or 220 V or 120 V a.c. microgrid,

  • the generating part – a.c. or d.c. – of a standalone installation.

This equipment provides protection, isolation, and distribution functions.

PDF Catalog

PDF Pages PDF Title
4 CONTENTS
5 FOREWORD
7 INTRODUCTION
8 1 Scope
2 Normative reference
Figure 1 – General configuration of an electrification system
9 3 Terms and definitions
10 4 Electrical characteristics
4.1 Equipment
11 4.2 System voltages
5 Functional description
Figure 2 – Interface for user installations supplied from an a.c. or a d.c. source
Table 1 – Functions ensured by various types of user interfaces
12 6 Design and erection
6.1 System earthing
6.2 Implementation of interface functions
6.2.1 Function A: connection to electricity sources
6.2.2 Function B: isolation
6.2.3 Function C: protection against direct and indirect contact
Figure 3 – Interface for user installations supplied locally from a.c. or d.c. sources (not from a microgrid)
13 6.2.4 Function D: protection against overcurrents
6.2.5 Function E: contract management
6.2.6 Function F: earthing
6.2.7 Function G: distribution of circuits
6.3 Insulation requirements
6.4 Selection of electrical equipment
6.5 Housing
6.6 Protection against fraudulent use
14 7 Information to be given and marking
8 Verification and acceptance
8.1 General
8.2 Verification by inspection
15 8.3 Commissioning tests

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BSI PD IEC/TS 62257-9-3:2016
$102.76