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IEEE 1683 2014

IEEE 1683 2014

$37.38

IEEE Guide for Motor Control Centers Rated up to and including 600 V AC or 1000 V DC with Recommendations Intended to Help Reduce Electrical Hazards

Published By Publication Date Number of Pages
IEEE 2014 47
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New IEEE Standard – Active. Functional design recommendations and field practices for motor control centers (single- and three-phase 50 Hz and 60 Hz and dc) are provided in this guide. The features and practices described in this guide are intended to help reduce the probability that an incident will occur due to shock or arc flash hazards when qualified persons are performing certain activities. The recommendations within this guide are intended to augment the existing requirements of applicable standards for motor control centers, e.g., NEMA ICS 18 Motor Control Centers, UL 845 Motor Control Centers, NMX-J-353-ANCE, and CSA C22.2 No. 254. This guide also provides recommendations for interface relationships between the specifier, manufacturer, installer, and user for safety-related concerns. It also provides a framework from which specifiers/users can select specific MCC features and system characteristics that are applicable to their specific situation and needs. The recommendations in this guide complement safety requirements and procedures as stipulated by workplace safety standards and site practices and site procedures, e.g., NFPA 70E Standard for Electrical Safety in the Workplace, CSA Z462 Workplace Electrical Safety Standard, site practice on Personal Protective Equipment (PPE), etc.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std 1683-2014 Front Cover
3 Title page
5 Important Notices and Disclaimers Concerning IEEE Standards Documents
8 Participants
10 Introduction
11 CONTENTS
13 Important Notice

1. Overview
1.1 General
14 1.2 Scope
15 1.3 Equipment condition and maintenance
1.4 Word usage
2. Normative references
16 3. Definitions
17 4. Overcurrent protection
4.1 Fault location
18 4.2 Fault current flow
19 4.3 Likely range of arcing current and impact of overcurrent protective device (OCPD) sensitivity
4.4 Selectivity versus arc flash incident energy protection
20 4.5 Use of temporary protection settings
21 4.6 Overcurrent protective device (OCPD) selection
22 4.6.1 Main bus protection
23 4.6.1.1 MCC bus withstand ratings
4.6.2 Starter and feeder protection within the MCC
4.6.3 Motor protection
24 5. Defined operations and safety issues
28 5.1 Pulling conductors
5.2 Recommended test for plug-in unit before installation
5.3 Recommendations for inserting units
5.4 Maintenance with a test position or status to provide control power
5.5 Maintenance tasks in energized units
29 5.6 Overcurrent device maintenance
6. Diagnostics and indicators
30 6.1 Objectives
6.1.1 Minimize the time a door is opened
6.2 Digital monitoring, control systems, supervisory control and data acquisition (SCADA), distributed control system (DCS), etc.
31 6.3 Trip status indication
6.4 Determining absence of voltage
32 6.5 Monitoring electrical connections
6.5.1 Infrared thermography
6.5.2 Permanent monitoring systems
6.6 Status indication for temporary protection settings
33 7. MCC construction
7.1 Reducing the potential for arcs within the MCC
7.2 Incoming compartment design
7.2.1 Incoming compartment with main OCPD
7.2.2 Incoming compartment without main OCPD
34 7.2.3 Connections to power bus
7.3 MCC unit design
MCC units are provided as either plug-in types or fixed unit designs where the line side connections are made through bolted connections. Plug-in type motor starter units are typically available for NEMA sizes 4 and smaller and feeder breaker units ar…
7.3.1 Fixed-unit design
7.3.2 Plug-in unit design
7.3.2.1 Plug-in unit stab design
35 7.3.2.2 Plug-in unit alignment features
7.3.2.3 Plug-in units with test position
7.3.2.4 Line connections for plug-in units with door closed
7.4 Barriers between fuses
7.5 Isolation between field wireways and units
36 7.6 Provisions for infrared thermography
7.6.1 Touch guards
7.7 Markings
7.8 Support and dressing of field conductors
7.9 Horizontal and vertical bus assembly
37 7.10 Protection from vermin, MCC structure barriers
7.11 Use of arc-resistant designs
38 8. Factory tests
9. Interface between specifier, manufacturer, installer, and user
9.1 Equipment specifier
9.1.1 Qualifications
9.1.2 System studies
39 9.1.3 Equipment specifications and drawings
9.1.4 Selection of MCC wiring type
41 9.1.5 Codes and standards
42 9.1.6 Environmental conditions
9.1.7 Submittal requirements
9.1.8 Installation requirements
9.2 Equipment manufacturer
43 9.2.1 Submittal Information
9.2.2 Installation instructions
9.2.3 Operation and maintenance instructions
9.3 Equipment installer
9.3.1 Qualifications
9.3.2 Installation
44 9.3.3 Deviations from design documents
9.3.4 Commissioning
9.4 Equipment user
9.4.1 General
9.4.2 Markings and labeling
45 Annex A (informative) Bibliography
47 Back Cover

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IEEE 1683 2014
$37.38