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CSA C22.3 NO 3

4th Edition, August 1998

Complete Document

Electrical Coordination

Includes all amendments and changes through Reaffirmation Notice , 2017

Detail Summary

Active, Most Current

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Product Details:

  • Revision: 4th Edition, August 1998
  • Published Date: January 2017
  • Status: Active, Most Current
  • Document Language: English
  • Published By: CSA Group (CSA)
  • Page Count: 68
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Scope and Overview

The provisions of this Standard embody the principles and practices applicable for the purpose of effecting electrical coordination between organizations that operate electric supply or communications systems, where interference exists or is expected to exist between their networks. The Standard provides experienced personnel with influence and susceptibility guidance for power and communications systems. This Standard has been developed to help resolve coordination problems that arise between different companies. The Standard is not intended to constrain an individual company that owns and operates both power and communication facilities that may interfere with each other. 8ectrical coordination associated with electrified railways (CSA Standard C22.3 No.8) and pipelines (CSA Standard C22.3 No.6) is not included.

Railways in Canada operating in more than one province come within the legislative authority of the Parliament of Canada and are subject to the Railways Safety Act, which is administered by Transport Canada. Railways under federal jurisdiction are required to construct, operate, and maintain their facilities in accordance with the Railway Safety Act and the orders, regulations, and judgements of Transport Canada

This Standard addresses power system influence over the frequency range from de to 17kHz, due to electric, magnetic, and conductive coupling between the two systems, including mutual bonding and grounding. (While this Standard covers frequencies up to 17 kHz, little information is currently available for values over 3 kHz.) Normal power system operation, including power phase unbalances, is covered, as well as abnormal or fault conditions. (Physical contact between power and communication facilities is addressed in CSA Standard C22.3 No. S.l.) Interference due to overhead and underground power facilities is addressed, as well as power system terminal equipment, to the extent that this equipment can affect the interference.

Power lines operating at utilization voltages (below 7S0 V) are specifically excluded, along with interference experienced inside buildings or comrnen:ial and industrial plants. Communications facilities include all wire and cable configurations (coaxial cables, twisted pair, shielded cables, fibre-optic cables with metallic components, open wire, etc) with individual circuits operating in either an analog or digital mode.

The achievement of optimum electrical coordination between power, telecommunication, and railway companies may significantly reduce the overall costs of solving their mutual problems of electrical interference.

Various administrative and technical arrangements addressing electrical coordination issues currently exist between individual power and communication companies, but only within their common jurisdictional boundaries. These agreements are generally based on local and traditional design parameter values that have become accepted as operational objectives or standards, through their long-term application. In many cases, these bilateral agreements could be significantly improved by following the guidelines included here