1 - AS 62271.202-2008 High-voltage switchgear and controlgear - Part 202: High-voltage/low-voltage prefabricated substation
4 - PREFACE
6 - CONTENTS
8 - INTRODUCTION
9 - 1 General
9 - 1.1 Scope
9 - 1.2 Normative references
11 - 1.3 Terms and definitions
13 - 2 Service conditions
13 - 2.1 Normal service conditions
13 - 2.2 Special service conditions
14 - 3 Requirements for components
14 - 4 Ratings
15 - 4.1 Rated voltages
15 - 4.2 Rated insulation levels
15 - 4.3 Rated frequency and number of phases
15 - 4.4 Rated normal currents and temperature rise
16 - 4.5 Rated short-time withstand currents
16 - 4.6 Rated peak withstand currents
16 - 4.7 Rated duration of short circuit
16 - 4.8 Rated supply voltage of closing and opening devices and auxiliary and control circuits
16 - 4.9 Rated supply frequency of closing and opening devices and auxiliary and control circuits
16 - 4.10 Rated maximum power and class of enclosure
17 - 5 Design and construction
17 - 5.1 Earthing
18 - 5.2 Auxiliary equipment
18 - 5.3 Nameplate
18 - 5.4 Degree of protection and internal fault
20 - 5.5 Enclosure
22 - 5.6 Other provisions
23 - 5.7 Sound emission
23 - 5.8 Electromagnetic compatibility (EMC)
23 - 6 Type tests
23 - 6.1 General
24 - 6.2 Dielectric tests
26 - 6.3 Temperature-rise tests
29 - 6.4 Short-time and peak withstand current tests on main and earthing circuits
29 - 6.5 Functional tests
29 - 6.6 Verification of the degree of protection
30 - 6.7 Calculations and mechanical tests
30 - 6.8 Internal arcing test
30 - 6.9 Electromagnetic compatibility test (EMC)
30 - 7 Routine tests
31 - 7.1 Dielectric test on the HV interconnection
31 - 7.2 Voltage withstand tests on auxiliary circuits
31 - 7.3 Functional tests
31 - 7.4 Verification of correct wiring
31 - 7.5 Tests after assembly on site
31 - 8 Guide to the selection of prefabricated substations for service
31 - 8.1 Selection of rated values
32 - 8.2 Selection of class of enclosure
32 - 8.3 Selection of internal arc classification
35 - 8.4 Information
40 - 9 Information to be given with enquiries, tenders and orders
40 - 9.1 Information with enquiries and orders
41 - 9.2 Information with tenders
41 - 10 Rules for transport, installation, operation, maintenance and end-of-service life
42 - 10.1 Conditions during transport, storage and installation
42 - 10.2 Installation
43 - 10.3 Operation
43 - 10.4 Maintenance
43 - 10.5 Dismantling, recycling and disposal at the end-of-service life
43 - 11 Safety
43 - 11.1 Electrical aspects
43 - 11.2 Mechanical aspects
43 - 11.3 Thermal aspects
46 - Annex A (normative) Method for testing the prefabricated substation under conditions of arcing due to an internal fault
59 - Annex B (normative) Test to verify the sound level of a prefabricated substation
61 - Annex C (normative) Mechanical impact test
63 - Annex D (informative) Rating of transformers in an enclosure
66 - Annex E (informative) Examples of earthing circuits
69 - Annex F (informative) Characteristics of enclosure materials
71 - Bibliography