IEEE PC37.20.1b/D2
Amendment 2: Additional Requirements for Control and Auxiliary Power Wiring in DC Traction Power Switchgear (Amendment to C37.20.1-2002)
Available Formats:
Availability: Immediate Download
Language: English
License Type: Single User
Updates: Not Included
About This Item
PC37.20.1b/D2 is a technical amendment covering additional requirements for control and auxiliary power wiring in DC traction power switchgear. It is aimed at electrical equipment used in power and energy applications where dependable wiring practices affect operation and maintenance. The document is important because these wiring details can influence control integrity, serviceability, and overall system reliability in traction environments.
PC37.20.1b/D2 overview
This amendment to C37.20.1-2002 focuses on added requirements for the control and auxiliary power wiring associated with DC traction power switchgear. In practical terms, PC37.20.1b/D2 helps clarify how internal wiring should support the intended function of switchgear used in traction power systems. For engineers, specifiers, and maintenance teams, the document provides a more defined technical basis for design review, equipment comparison, and compliance checks.
Typical use cases
This standard is most relevant when specifying or reviewing DC traction power switchgear for rail and transit power systems, where control circuits and auxiliary supplies must remain dependable. It may be used during equipment design, factory testing, procurement, or maintenance planning for switchgear assemblies that include wiring for relays, controls, indication, or auxiliary power distribution. PC37.20.1b/D2 is also useful when documenting project requirements for traction substations and related power equipment.
Why this standard matters
PC37.20.1b/D2 matters because wiring practices inside switchgear can affect both safety and performance. Clear requirements help reduce ambiguity in design and fabrication, support consistent inspection and testing, and make it easier to compare equipment from different suppliers. For DC traction applications, where operational continuity is important, following the amendment can help limit wiring-related faults and improve confidence in control and auxiliary power functions throughout the equipment lifecycle.
- DC traction power switchgear wiring
- Control circuit requirements
- Auxiliary power connections
- Design and procurement reference
- Inspection and testing support
- Publication Date: 2006
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications
- Official IEEE: Doi link
- New Version Available: PC37.20.1 (2024)
- Previous Version: PC37.20.1 (2020)
- Previous Version: PC37.20.1 (2019)
- Previous Version: PC37.20.1 (2019)
- Previous Version: PC37.20.1 (2015)
- Previous Version: PC37.20.1 (2015)
- Previous Version: PC37.20.1 (2014)
- This Version: PC37.20.1 (2006)
- Previous Version: PC37.20.1 (2006)
- Previous Version: PC37.20.1 (2005)
Please request information about the document. Contact Page
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Summarize with AI
Get quick summaries using your favorite AI engine.
Online Standart Disclaimer
OnlineStandart.com is an authorized reseller of international standards through partnerships with authorized distributors. We do not own the copyrights or trademarks of the standards we sell, including but not limited to those of API, ASHRAE, BSI, SAE, ASTM, IEEE, IEC, ASME, ISO, and others.
All product names, logos, and brands are property of their respective owners. All company, product, and service names used on this website are for identification purposes only. Use of these names, trademarks, and brands does not imply endorsement.
The content provided on this website is for informational purposes only and is intended to promote our reselling services. OnlineStandart.com is not affiliated with or endorsed by any of the standard organizations unless explicitly stated.
