IEEE C37.12 2009

$31.42

IEEE Guide for Specifications of High-Voltage Circuit Breakers (over 1000 Volts)

Published By	Publication Date	Number of Pages
IEEE	2009	43

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Description

New IEEE Standard – Active. These specifications apply to all indoor and outdoor types of ac high-voltage circuit breakers rate above 1000 volts. this document is issued only as a guide for use in compiling specifications for ac high-voltage circuit breakers. the imperative mode of the language is illustrative of that used in specifications.

PDF Catalog

PDF Pages	PDF Title
1	IEEE Std C37.12™-2008, Front cover
3	Title page
4	Abstract/Keywords
6	Introduction Notice to users Laws and regulations
7	Copyrights Updating of IEEE documents Errata Interpretations Patents
8	Participants
10	Contents
11	IMPORTANT NOTICE 1. Overview 1.1 Scope 1.2 Purpose
12	2. Normative references
13	3. Definitions 4. Specification format 5. General specification
14	5.1 General scope 5.2 General references 5.3 General definitions
15	5.4 Service conditions 5.4.1 Unusual and usual 5.4.2 Seismic withstand 5.5 Electrical characteristics 5.5.1 Performance 5.5.2 Out-of-Phase Voltage
16	5.6 Construction 5.6.1 Insulation structure 5.6.1.1 Insulating parts 5.6.1.2 Materials 5.6.1.3 Insulation deterioration 5.6.1.4 Mechanical Strength
17	5.6.1.5 Bushings 5.6.1.6 Operation stresses 5.6.1.7 Stability of parts 5.6.1.8 Terminal arrangement 5.6.2 Gauges
18	5.6.3 Access 5.6.4 Minimum number of assemblies 5.6.5 Original and renewal parts 5.6.6 Hardware 5.6.7 Lubrication 5.6.8 Mechanism housing
19	5.6.9 Position Indicator 5.6.10 Grounding 5.6.11 Gaskets 5.6.12 Springs 5.6.13 Conduit & Fittings 5.6.14 Control Wires Protection 5.6.15 Surface Preparation
20	5.6.16 External current carrying parts 5.6.17 Support frame 5.7 Vacuum circuit breakers 5.7.1 Contact wear 5.7.2 Interrupter replacement 5.8 Gas circuit breakers 5.8.1 Gas sampling 5.8.2 Safety valve
21	5.8.3 Gas monitoring system 5.9 Operating mechanism 5.9.1 General 5.9.2 Energy storage system for individual circuit breakers 5.9.2.1 System capacity 5.9.2.2 Pressurized components
22	5.9.2.3 Surface treatment 5.9.2.4 Devices included
23	5.10 Controls 5.10.1 Local control and operation
24	5.10.2 Operation counter 5.10.3 Time-travel device 5.10.4 Reclosing 5.10.5 Opening 5.10.5.1 Trip coil 5.10.5.2 Mechanism capability 5.10.6 Accidental tripping
25	5.10.7 Emergency trip devices 5.10.8 Incorporated secondary and control devices 5.10.8.1 Withstand mechanical shocks 5.10.8.2 Shielding 5.10.8.3 Insulation 5.10.8.4 Type of wiring 5.10.8.5 Leads security 5.10.8.6 Wire size
26	5.10.8.7 Weatherproof facilities 5.10.8.8 Terminal blocks 5.10.8.9 Insulation withstand 5.10.8.10 Grounding 5.10.8.11 Corrosion-resistance 5.10.8.12 Condensation
27	5.11 Accessories and appurtenances 5.12 Tests 5.12.1 Design tests 5.12.2 Production tests 5.12.3 Other tests 5.13 Drawings and instruction manuals 5.13.1 Purchaser’s drawings
28	5.13.2 Manufacturer’s drawings 5.13.3 Drawings format 5.13.4 Instruction manuals 5.14 Shipping
29	5.15 Spare parts 5.16 Circuit breaker information to be furnished by manufacturer or supplier with bid/tender to facilitate bid evaluation 5.16.1 General considerations 5.16.2 Manufacturer’s statement 5.16.3 Circuit breaker type and designation number 5.16.4 Dimensional data 5.16.5 Circuit breaker ratings and related required capabilities 5.16.5.1 Voltage ratings
30	5.16.5.2 Insulation level withstand capabilities 5.16.5.3 Current ratings in amperes 5.16.5.4 Interrupting ratings in amperes 5.16.6 Copies of certified breaker design test data when required by purchaser 5.16.7 Time characteristics at rated control voltage and operating pressure 5.16.8 Breaker electrical data, representative values 5.16.9 Operating mechanism and auxiliaries data
31	5.16.10 Single pressure gas (SF6) breakers 5.16.10.1 Gas pressures 5.16.10.2 Quantity of gas 5.16.10.3 Alarms 5.16.10.4 Dielectric withstand at atmospheric pressure
32	5.16.11 Pneumatically or hydraulically operated circuit breakers 5.16.11.1 Number of operations 5.16.11.2 Operating pressure 5.16.11.3 Description 5.16.12 Spring-operated mechanism 5.16.13 Bushing data
33	5.16.14 Current and potential devices 5.16.14.1 Current transformers 5.16.14.2 Linear coupler transformers and bushing potential devices 5.16.15 General Information
34	5.16.16 Tests 5.16.17 Storage requirements 5.16.18 Grading capacitors 5.16.19 Pre-insertion resistors 5.16.20 External Capacitors 5.16.21 Manufacturing Location 6. Supplementary specification
35	6.1 Purchaser’s specification number and date 6.2 Number of circuit breakers required and delivery requirements 6.3 System characteristics 6.4 Application 6.4.1 Type of circuit to be switched 6.4.2 Special system requirements
36	6.4.3 Unusual service conditions 6.4.4 Items to be specified to define capacitive switching 6.4.4.1 Line charging 6.4.4.2 Cable Charging
37	6.4.4.3 Capacitor Bank 6.5 Circuit breaker electrical characteristics 6.5.1 Circuit breaker capability
38	6.6 Circuit breaker physical characteristics 6.6.1 General 6.6.2 Interrupting media 6.6.3 Type of mounting
39	6.7 Bushing characteristics 6.8 Operating mechanism and auxiliaries 6.8.1 Closing mechanism 6.8.2 Tripping mechanism
40	6.8.3 Gas circuit breakers 6.8.4 Auxiliary switches and control wiring 6.8.5 Characteristics of purchaser’s auxiliary power supply 6.8.6 Relays, meters, and other equipment 6.9 Current and potential devices 6.9.1 Current transformers
41	6.9.2 Linear coupler transformers 6.10 Miscellaneous 6.10.1 Maximum dimensions permitted by space and handling limitations 6.10.2 Requirements for interlocks and key coordination for improper operation alarms 6.10.3 Installation, 0peration, & maintenance 6.10.4 Color of paint 6.11 Non-standard Tests required by user
42	6.12 Shipping instructions
43	Annex A (informative) Bibliography