1 - AS/NZS 2650:2000 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
4 - PREFACE
5 - CONTENTS
8 - 1 General
8 - 1.1 Scope
8 - 1.2 Normative references
11 - 2 Normal and special service conditions
12 - 2.1 Normal service conditions
12 - 2.1.1 Indoor switchgear and controlgear
12 - 2.1.2 Outdoor switchgear and controlgear
13 - 2.2 Special service conditions
13 - 2.2.1 Altitude
13 - 2.2.2 Pollution
13 - 2.2.3 Temperature and humidity
14 - 2.2.4 Vibrations
14 - 2.2.5 Other parameters
14 - 3 Definitions
14 - 3.1 General terms
14 - 3.1.1 switchgear and controlgear
14 - 3.1.2 external insulation:
14 - 3.1.3 IP code:
14 - 3.1.4 protection provided by an enclosure against access to hazardous parts:
14 - 3.1.5 maintenance:
14 - 3.1.6 scheduled maintenance:
14 - 3.1.7 inspection:
15 - 3.1.8 diagnostic tests:
15 - 3.1.9 examination:
15 - 3.1.10 overhaul:
15 - 3.1.11 down time:
15 - 3.1.12 failure:
15 - 3.1.13 major failure (of switchgear and controlgear):
15 - 3.1.14 minor failure (of switchgear and controlgear):
15 - 3.1.15 defect:
15 - 3.1.16 ambient air temperature
15 - 3.2 Assemblies of switchgear and controlgear
15 - 3.2.1 self-protected switchgear:
15 - 3.2.2 test specimen:
15 - 3.3 Parts of assemblies
15 - 3.3.1 transport unit:
16 - 3.4 Switching devices
16 - 3.5 Parts of switchgear and controlgear
16 - 3.5.1 enclosure:
16 - 3.5.2 hazardous part:
16 - 3.5.3 contact
16 - 3.5.4 auxiliary circuit
16 - 3.5.5 control circuit
16 - 3.5.6 auxiliary switch
16 - 3.5.7 control switch
16 - 3.5.8 auxiliary contact
16 - 3.5.9 control contact
16 - 3.5.10 connection (bolted or the equivalent):
16 - 3.5.11 position indicating device
16 - 3.5.12 monitoring device:
16 - 3.5.13 pilot switch
16 - 3.5.14 low energy contact:
16 - 3.6 Operation
16 - 3.6.1 dependent power operation
16 - 3.6.2 stored energy operation
16 - 3.6.3 positively driven operation
17 - 3.6.4 Definitions relative to pressure (or density)
17 - 3.6.4.1 rated filling pressure for insulation (or density ):
17 - 3.6.4.2 rated filling pressure for operation (or density ):
17 - 3.6.4.3 alarm pressure for insulation (or density ):
17 - 3.6.4.4 alarm pressure for operation (or density ):
17 - 3.6.4.5 minimum functional pressure for insulation (or density ):
17 - 3.6.4.6 minimum functional pressure for operation (or density ):
17 - 3.6.5 definitions relating to gas and vacuum tightness:
17 - 3.6.5.1 gas-filled compartment:
17 - 3.6.5.2 controlled pressure system for gas:
18 - 3.6.5.3 closed pressure system for gas:
18 - 3.6.5.4 sealed pressure system:
18 - 3.6.5.5 absolute leakage rate,
18 - 3.6.5.6 permissible leakage rate,
18 - 3.6.5.7 relative leakage rate,
18 - 3.6.5.8 time between replenishments,
18 - 3.6.5.9 number of replenishments per day,
18 - 3.6.5.10 pressure drop,
18 - 3.6.5.11 tightness coordination chart, TC:
18 - 3.6.5.12 cumulative leakage measurement:
18 - 3.6.5.13 sniffing:
18 - 3.6.6 definitions relating to liquid tightness:
18 - 3.6.6.1 controlled pressure system for liquid:
18 - 3.6.6.2 closed pressure system for liquid:
18 - 3.6.6.3 absolute leakage rate, :
19 - 3.6.6.4 permissible leakage rate, :
19 - 3.6.6.5 number of replenishments per day, :
19 - 3.6.6.6 pressure drop, :
19 - 3.7 Characteristic quantities
19 - 3.7.1 isolating distance
19 - 3.7.2 degree of protection:
19 - 3.7.3 rated value:
19 - 3.8 Index of definitions
21 - 4 Ratings
21 - 4.1 Rated voltage (U )
21 - 4.1.1 Range I for rated voltages of 245 kV and below
21 - 4.1.2 Range II for rated voltages above 245 kV
21 - 4.2 Rated insulation level
26 - 4.3 Rated frequency (f )
26 - 4.4 Rated normal current and temperature rise
26 - 4.4.1 Rated normal current (I )
26 - 4.4.2 Temperature rise
28 - 4.4.3 Particular points of table 3
29 - 4.5 Rated short- time withstand current (I )
29 - 4.6 Rated peak withstand current (I )
29 - 4.7 Rated duration of short circuit (t )
29 - 4.8 Rated supply voltage of closing and opening devices
30 - 4.9 Rated supply frequency of closing and opening devices and of auxiliary circuits
30 - 4.10 Rated pressure of compressed gas supply for insulation and/ or operation
31 - 5 Design and construction
31 - 5.1 Requirements for liquids in switchgear and controlgear
31 - 5.1.1 Liquid level
31 - 5.1.2 Liquid quality
31 - 5.2 Requirements for gases in switchgear and controlgear
31 - 5.3 Earthing of switchgear and controlgear
31 - 5.4 Auxiliary and control equipment
32 - 5.5 Dependent power operation
32 - 5.6 Stored energy operation
32 - 5.6.1 Energy storage in gas receivers or hydraulic accumulators
33 - 5.6.2 Energy storage in springs (or weights)
33 - 5.6.3 Manual charging
33 - 5.6.4 Motor charging
33 - 5.7 Independent manual operation
33 - 5.8 Operation of releases
33 - 5.8.1 Shunt closing release
33 - 5.8.2 Shunt opening release
34 - 5.8.3 Capacitor operation of shunt releases
34 - 5.8.4 Under-voltage release
34 - 5.9 Low- and high-pressure interlocking and monitoring devices
34 - 5.10 Nameplates
35 - 5.11 Interlocking devices
35 - 5.12 Position indication
36 - 5.13 Degrees of protection by enclosures
36 - 5.13.1 Protection of persons against access to hazardous parts and protection of the equipment against ingress of solid foreign objects
36 - 5.13.2 Protection against ingress of water
36 - 5.13.3 Protection of equipment against mechanical impact under normal service conditions
37 - 5.14 Creepage distances
38 - 5.15 Gas and vacuum tightness
38 - 5.15.1 Controlled pressure systems for gas
38 - 5.15.2 Closed pressure systems for gas
38 - 5.15.3 Sealed pressure systems
39 - 5.16 Liquid tightness
39 - 5.16.1 Controlled pressure systems for liquid
39 - 5.16.2 Closed pressure systems for liquid
39 - 5.16.3 Tightness levels for liquid
39 - 5.17 Flammability
39 - 5.18 Electromagnetic compatibility (EMC)
40 - 6 Type tests
40 - 6.1 General
40 - 6.1.1 Grouping of tests
41 - 6.1.2 Information for identification of specimens
41 - 6.1.3 Information to be included in type-test reports
42 - 6.2 Dielectric tests
42 - 6.2.1 Ambient air conditions during tests
42 - 6.2.2 Wet test procedure
42 - 6.2.3 Conditions of switchgear and controlgear during dielectric tests
43 - 6.2.4 Criteria to pass the test
44 - 6.2.5 Application of the test voltage and test conditions
44 - 6.2.5.1 General case
44 - 6.2.5.2 Special case
45 - 6.2.6 Tests of switchgear and controlgear of U 245 kV
45 - 6.2.6.1 Power- frequency voltage tests
46 - 6.2.6.2 Lightning impulse voltage tests
46 - 6.2.7 Tests of switchgear and controlgear of rated voltage above 245 kV
46 - 6.2.7.1 Power- frequency voltage tests
46 - 6.2.7.2 Switching impulse voltage tests
47 - 6.2.7.3 Lightning impulse voltage tests
47 - 6.2.8 Artificial pollution tests
47 - 6.2.9 Partial discharge tests
47 - 6.2.10 Test on auxiliary and control circuits
47 - 6.2.11 Voltage test as condition check
48 - 6.3 Radio interference voltage (r. i. v.) test
49 - 6.4 Measurement of the resistance of circuits
49 - 6.4.1 Main circuit
50 - 6.4.2 Low energy circuits
50 - 6.5 Temperature-rise tests
50 - 6.5.1 Conditions of the switchgear and controlgear to be tested
50 - 6.5.2 Arrangement of the equipment
51 - 6.5.3 Measuement of the temperature and the temperature rise
52 - 6.5.4 Ambient air temperature
52 - 6.5.5 Temperature-rise test of the auxiliary and control equipment
52 - 6.5.6 Interpretation of the temperature-rise tests
53 - 6.6 Short-time withstand current and peak withstand current tests
53 - 6.6.1 Arrangement of the switchgear and controlgear and of the test circuit
54 - 6.6.2 Test current and duration
54 - 6.6.3 Behaviour of switchgear and controlgear during test
54 - 6.6.4 Conditions of switchgear and controlgear after test
55 - 6.7 Verification of the protection
55 - 6.7.1 Verification of the IP coding
55 - 6.7.2 Mechanical impact test
55 - 6.8 Tightness tests
56 - 6.8.1 Controlled pressure systems for gas
57 - 6.8.2 Closed pressure systems for gas
57 - 6.8.3 Sealed pressure systems
57 - 6.8.4 Liquid tightness tests
58 - 6.9 Electromagnetic compatibility tests (EMC)
58 - 6.9.1 Emission tests on secondary systems
58 - 6.9.2 Immunity tests on secondary systems
59 - 6.9.3 Guidelines for immunity tests
59 - 6.9.4 Impulse voltage test
59 - 6.9.5 Electrical fast transient/ burst test
59 - 6.9.6 Oscillatory wave immunity test
60 - 6.9.7 Behaviour of the secondary equipment during and after tests
60 - 6.9.8 Electromagnetic compatibility site measurements
61 - 7 Routine tests
61 - 7.1 Dielectric test on the main circuit
62 - 7.2 Dielectric test on auxiliary and control circuits
62 - 7.3 Measurement of the resistance of the main circuit
62 - 7.4 Tightness test
62 - 7.4.1 Controlled pressure systems for gas
62 - 7.4.2 Closed pressure systems for gas
62 - 7.4.3 Sealed pressure systems
63 - 7.4.4 Liquid tightness tests
63 - 7.5 Design and visual checks
63 - 8 Guide to the selection of switchgear and controlgear
63 - 9 Information to be given with enquiries, tenders and orders
63 - 10 Rules for transport, storage, installation, operation and maintenance
63 - 10.1 Conditions during transport, storage and installation
63 - 10.2 Installation
63 - 10.2.1 Unpacking and lifting
64 - 10.2.2 Assembly
64 - 10.2.3 Mounting
64 - 10.2.4 Connections
64 - 10.2.5 Final installation inspection
64 - 10.3 Operation
64 - 10.4 Maintenance
65 - 10.4.1 Recommendations for the manufacturer
66 - 10.4.2 Recommendations for the user
66 - 10.4.3 Failure report
67 - 11 Safety
68 - 11.1 Electrical aspects
68 - 11.2 Mechanical aspects
68 - 11.3 Thermal aspects
68 - 11.4 Operation aspects
72 - Annex A - Identification of test specimens
72 - A. 1 Data
72 - A.2 Drawings
74 - Annex B - Determination of the equivalent r.m.s. value of a short-time current during a short circuit of a given duration
76 - Annex C - Method for the weatherproofing test for outdoor switchgear and controlgear
79 - Annex D - Information about insulation levels and tests
79 - D. 1 Specification
80 - D. 2 Testing
82 - Annex E - Tightness (information, example and guidance)
84 - Annex F -Dielectric testing of self-protected switchgear and controlgear
84 - F.1 General
84 - F.2 Power-frequency tests
85 - F.3 Switching impulse tests
85 - F.4 Lightning impulse tests
86 - F.5 Routine tests
87 - Annex G - Bibliography