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Recommended practices for electrical protection - Electric contact between overhead supply and communication lines
| 분야 | 11 : LG Electronics |
|---|---|
| 적용범위 | Preface 1.1 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 communications 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.? 1.2 This Standard applies to overhead supply and communications systems that meet the requirements of CSA Standard CAN/CSA-C22.3 No. 1 where coordinated electrical protection is specified.? 1.3 The following effects are within the scope of other Standards and therefore are excluded from this Standard: (a) the effects on communications conductors entering power stations or passing through the zone of influence of that 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. |
| 국제분류(ICS)코드 | |
| 페이지수 | 50 |
| Edition |
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | CSA C22.3 NO. 5.1:93 (R2022) | Recommended practices for electrical protection - Electric contact between overhead supply and communication lines | 1993-01-01 | 표준 |
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