Compact equipment assembly for distribution substations (CEADS)

BS EN 50532:2010 Compact equipment assembly for distribution substations (CEADS)

BS EN 50532:2010 is a European Standard which specifies the service conditions, rated characteristics, general structural requirements and test methods of the prefabricated assembly of the main electrical functional units of a HV/LV Distribution Substation. It applies to those substations which are duly interconnected, for alternating current of rated operating voltages above 1 kV and up to and including 52 kV on the HV side, service frequency 50 Hz.

Contents of BS EN 50532:

Introduction

1 General

2 Normal and special service conditions

3 Requirements for the individual functional units

4 Ratings

5 Design and construction

6 Type test

7 Routine tests

8 Guide to the selection of CEADS for service

9 Information to be given with enquiries, tenders and orders

10 Rules for transport, installation, operation and maintenance

11 Safety

12 Influence of the product on the environment

Annex A (normative) Method for testing CEADS under conditions of arcing due to an internal fault

A.1 General

A.2 Internal arc classification

A.3 Selection of tests

A.4 Test arrangements

A.5 Point of initiation of arc

A.6 Current and voltage applied

A.7 Test procedure

A.8 Acceptance criteria

A.9 Test report

A.10 Designation of the internal arc classification

Annex B (normative) Test to verify the sound level of a CEADS

Annex C (informative) Explanation on CEADS

Bibliography