IEEE 1015 2006

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IEEE Recommended Practice for Applying Low-Voltage Circuit Breakers Used in Industrial and Commercial Power Systems

Published By	Publication Date	Number of Pages
IEEE	2006	210

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Description

Revision Standard – Active. Information is provided for selecting the proper circuit breaker for a particular application. This recommended practice helps the application engineer specify the type of circuit breaker, ratings, trip functions, accessories, acceptance tests, and maintenance requirements. It also discusses circuit breakers for special applications, e.g., instantaneous only and switches. In addition, it provides information for applying circuit breakers at different locations in the power system, and for protecting specific components. Guidelines are also given for coordinating combinations of line-side and load-side devices.

PDF Catalog

PDF Pages	PDF Title
3	Title Page
4	Abstract/Keywords
6	Introduction Notice to users
7	Participants
10	CONTENTS Chapter 1
13	Overview 1.1 Scope 1.2 Two classifications of breakers
14	1.3 Description of a molded-case circuit breaker
15	1.4 Description of a low-voltage power circuit breaker
18	1.5 Document organization
20	1.6 Summary 1.7 Normative references
21	1.8 Bibliography
23	Chapter 2 2.1 Definitions
29	2.2 Acronyms and abbreviations
30	2.3 Normative references 2.4 Bibliography
31	Chapter 3 3.1 Relevance of rating and testing 3.2 The ideal circuit breaker 3.3 The practical circuit breaker
32	3.4 Basic circuit-breaker selection criteria 3.5 The role of industry standards
33	3.6 The role of safety and industry codes 3.7 Comparison of testing requirements
34	3.8 Circuit-breaker classes and types
35	3.9 Generalized application considerations 3.10 References on rating and application
36	3.11 Endurance considerations
40	3.12 Circuit-breaker voltage rating considerations
42	3.13 Frequency rating and considerations
43	3.14 Temperature considerations
44	3.15 Enclosure considerations
46	3.16 Cable, wire, and conductor considerations
50	3.17 De-rating for ambient temperature
51	3.18 Circuit-breaker humidity limitations
52	3.19 Circuit-breaker altitude limitations
53	3.20 Circuit-breaker ampere rating 3.21 National Electrical Code considerations
54	3.22 Preferred current ratings
61	3.23 Load effects 3.24 The effect of nonlinear loads on circuit breakers
62	3.25 The effect of high inrush loads 3.26 Overload testing of circuit breakers
67	3.27 Forced-air cooling of LVPCBs 3.28 Short-circuit interrupting rating
69	3.29 Fault-current calculation considerations 3.30 Circuit-breaker interrupting ratings
70	3.31 Single-pole fault interruption testing 3.32 Circuit-breaker evaluation in standards for testing
77	3.33 Blow-open contact arms 3.34 Circuit breaker useful life
78	3.35 Considerations on interrupting duty and maintenance 3.36 Integrally fused devices
79	3.37 Series-connected rating
80	3.38 Cascade arrangement 3.39 Short-time rating
81	3.40 Circuit-breaker evaluation for X/R ratio or short-circuit power factor
82	3.41 Single-pole interrupting capability and power system design considerations
85	3.42 Applying ac thermal-magnetic molded-case circuit breakers using their UL 489 dc rating
88	3.43 Normative references
89	3.44 Bibliography
91	Chapter 4 4.1 Scope 4.2 Selection considerations
92	4.3 Selection approach for application requirements 4.4 Selection approach for electrical ratings
106	4.5 Modifications and accessories for specific applications
109	4.6 Normal versus abnormal conditions
110	4.7 Considerations for applying MCCBs, ICCBs, and LVPCBs
111	4.8 Service requirements and protection 4.9 Main circuit breakers
113	4.10 Tie circuit breakers
114	4.11 Feeder protection
144	4.12 Normative references
145	4.13 Bibliography
147	Chapter 5 5.1 Introduction 5.2 Low-voltage power circuit breakers
151	5.3 Low-voltage MCCBs and ICCBs
152	5.4 Other coordinating devices
154	5.5 Coordination examples
166	5.6 Normative references
167	5.7 Bibliography
169	Chapter 6 6.1 Introduction 6.2 Instantaneous-trip circuit breakers
172	6.3 Mine-duty circuit breakers
174	6.4 Current-limiting circuit breakers
176	6.5 Molded-case switches
177	6.6 Fused circuit breakers
178	6.7 Circuit breaker and ground-fault circuit interrupter
179	6.8 Arc-fault circuit interrupter
180	6.9 Supplementary protectors
181	6.10 Normative references
182	6.11 Bibliography
183	Chapter 7 7.1 Scope 7.2 Maintenance program
185	7.3 Maintenance of MCCBs
187	7.4 Maintenance of LVPCBs
188	7.5 Maintenance and testing of ICCBs 7.6 Maintenance and testing of molded-case switches 7.7 Maintenance of ground-fault circuit interrupters (GFCIs)
189	7.8 Documenting maintenance results 7.9 Testing program
197	7.10 Failures detected 7.11 Normative references
199	7.12 Bibliography
200	Annex 7A Annex 7A (informative) MCCB or MCP data record
206	Annex 7B Annex 7B (informative) LVPCB data record

Additional information

Standard Title	IEEE Recommended Practice for Applying Low-Voltage Circuit Breakers Used in Industrial and Commercial Power Systems
Published Code	IEEE
Publication Date	2006
Pages Count	210

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