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