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CSA C22.3 NO 5.1

Recommended Practices for Electrical Protection - Electric Contact between Overhead Supply and Communication Lines

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Organization: CSA
Publication Date: 1 January 1993
Status: active
Page Count: 50
scope:

This Standard outlines the principles and general practices of electrical protection applicable to overhead supply systems operating at more than 750 V but less than 50 kV phase to phase and communication systems, where the lines of those systems are located so that inadvertent electric contact between them could occur, resulting in a contact voltage not exceeding a limit agreed to by the communication and supply companies.

This Standard applies to overhead supply and communication systems that meet the requirements of CSA Standard CAN/CSA-C22.3 No. 1 where coordinated electrical protection is specified.

The following effects are within the scope of other Standards and therefore are excluded from this Standard:

(a) the effects on communication conductors entering power stations or passing through the zone of influence of a station's ground potential rise (GPR):

(b) the effects of faults other than single phase-to-ground faults: and

(c) the effects of longitudinal induction and ground potential rise that result from normal operating or fault conditions.

Document History

May 1, 1993
Recommended Practices for Electrical Protection - Electric Contact between Overhead Supply and Communication Lines
This Standard outlines the principles and general practices of electrical protection applicable to overhead supply systems operating at more than 750 V but less than 50 kV phase to phase and...
May 1, 1993
Recommended Practices for Electrical Protection - Electric Contact between Overhead Supply and Communication Lines
This Standard outlines the principles and general practices of electrical protection applicable to overhead supply systems operating at more than 750 V but less than 50 kV phase to phase and...
May 1, 1993
Recommended Practices for Electrical Protection - Electric Contact between Overhead Supply and Communication Lines
This Standard outlines the principles and general practices of electrical protection applicable to overhead supply systems operating at more than 750 V but less than 50 kV phase to phase and...
CSA C22.3 NO 5.1
January 1, 1993
Recommended Practices for Electrical Protection - Electric Contact between Overhead Supply and Communication Lines
This Standard outlines the principles and general practices of electrical protection applicable to overhead supply systems operating at more than 750 V but less than 50 kV phase to phase and...

References

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