IEEE C37.122 2011

$94.79

IEEE Standard for High Voltage Gas-Insulated Substations Rated Above 52 kV

Published By	Publication Date	Number of Pages
IEEE	2011	85

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Description

Revision Standard – Active. The technical requirements for the design, fabrication, testing, and installation of a gasinsulated substations are covered. The parameters to be supplied by the purchaser are set, and the technical requirements for the design, fabrication, testing, and installation details to be furnished by the manufacturer are established. An errata is available at the following web address http://standards.ieee.org/findstds/errata/C37.122-2010_errata.pdf

PDF Catalog

PDF Pages	PDF Title
1	IEEE Std C37.122-2010 Front Cover
3	Title Page
6	Introduction Notice to users Laws and regulations Copyrights Updating of IEEE documents
7	Errata Interpretations Patents
8	Participants
10	Contents
13	1. Overview 1.1 Scope 1.2 Normative references
16	2. Normal (usual) and special (unusual) service conditions 2.1 Normal (usual) service conditions 2.2 Special (unusual) service conditions for both indoor and outdoor switchgear
17	3. Definitions
19	4. Ratings
20	4.1 Rated maximum voltage (V) or (Ur) 4.2 Rated insulation level (Ud, Us, Up)
22	4.3 Rated power frequency (fr) 4.4 Rated continuous (normal) current and temperature rise
23	4.5 Rated short-time withstand current (Ik) 4.6 Rated peak withstand current (Ip) 4.7 Rated duration of short-circuit (tk) 4.8 Rated supply voltage of closing and opening devices and of auxiliary and control circuits (Ua) 4.9 Rated supply frequency of closing and opening devices and of auxiliary and control circuits 4.10 Rated bus-transfer voltage and current
24	4.11 Rated induced current and voltage for grounding switches
25	4.12 Rated short-circuit making current for grounding switches 5. Design and construction
26	5.1 Requirements for liquid in switchgear 5.2 Requirements for gases in switchgear 5.3 Grounding and bonding of switchgear
27	5.4 Auxiliary and control equipment 5.5 Dependent power operation 5.6 Stored energy 5.7 Independent manual operation 5.8 Operation of releases
28	5.9 Low- and high-pressure interlocking and monitoring devices 5.10 Nameplates
34	5.12 Position indication 5.13 Degree of protection of enclosures 5.14 Creepage distance for outdoor insulators 5.15 Gas and vacuum tightness 5.16 Liquid tightness (insulating medium) 5.17 Flammability 5.18 Electromagnetic compatibility (EMC) 5.19 X-ray emission 5.20 Design of pressurized enclosures
37	5.21 Access for operations and maintenance 5.22 Bus expansion joints
38	5.23 Insulators, partitions, gas pass through insulators, and operating rods
39	5.24 Partitioning 5.25 Interfaces
40	5.26 Seismic requirements 5.27 High-voltage circuit breakers 5.28 Disconnect switches
41	5.29 Grounding switches
42	6. Design tests (type tests) 6.1 General
45	6.2 Dielectric tests
50	6.3 Radio influence voltage (RIV) test 6.4 Measurement of resistance of circuits 6.5 Temperature rise tests (continuous current test)
51	6.6 Short-time withstand current and peak withstand current tests
52	6.7 Verification of the degrees of protection provided by enclosures 6.8 Tightness test 6.9 Electromagnetic compatibility tests 6.10 Verification of making and breaking capacities
53	6.11 Mechanical and environmental tests
55	6.12 Pressure test on partitions 6.13 Test under conditions of arcing due to an internal fault 6.14 Insulator tests
56	6.15 Circuit breaker design tests 6.16 Fault-making capability test for high-speed grounding switches
57	6.17 Interrupting tests—bus-transfer current switching capability for disconnect switches (special duty only) 6.18 Interrupting tests—switching of bus charging currents by disconnect switches
60	6.19 Interrupting tests—induced current switching of grounding switches
62	6.20 Mechanical tests for disconnect and grounding switches 6.21 Operation at the temperature limits for outdoor equipment (if required by user)
63	6.22 Operation under severe ice conditions
65	7. Routine testing 7.1 Dielectric test of main circuit 7.2 Tests on auxiliary and control circuits
66	7.3 Measurement of the resistance of the main circuit 7.4 Tightness tests 7.5 Pressure tests of enclosures
67	7.6 Mechanical operation tests 7.7 Tests on auxiliary circuits, equipment, and interlocks in the control mechanism 7.8 Pressure test on partitions 8. Gas handling 9. Field testing
68	9.1 Mechanical tests: leakage 9.2 Mechanical tests: gas quality (moisture, purity, and density) 9.3 Electrical tests: continuity, conductivity, and resistivity 9.4 Electrical tests: low frequency ac voltage withstand
69	9.5 Electrical tests: low frequency ac voltage withstand requirements and conditions 9.6 Electrical tests: low frequency ac voltage withstand configurations and applications
70	9.7 Electrical tests: dc voltage withstand tests 9.8 Electrical tests: assessment of the ac voltage withstand test 9.9 Electrical tests: tests on auxiliary circuits 9.10 Mechanical and electrical functional tests: checks and verifications
71	9.11 Mechanical and electrical tests: documentation
72	Annex A (normative) Switch testing procedures A.1 Bus-transfer making and breaking tests
74	A.2 Switching of bus charging currents by disconnect switches72.5 kV and above
78	A.3 Induced current switching of grounding switches
83	A.4 Tests on the power kinematic chain
85	A.5 Test on the position-indicating kinematic chain