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NR NR/GN/ELP/27318 ISSUE 1 Insulation Monitoring of 650 V Earth - Free ( IT System) Power Cables - This standard should only be used for reference to ensure 'The Control of Risk' until the compliance date of its replacement standard is reached, upon which this standard will be withdrawn. The development of all new processes and procedures should be to the replacement standard

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Network Rail

Insulation Monitoring of 650 V Earth - Free ( IT System) Power Cables - This standard should only be used for reference to ensure 'The Control of Risk' until the compliance date of its replacement standard is reached, upon which this standard will be withdrawn. The development of all new processes and procedures should be to the replacement standard
 N NR/GN/ELP/27318 ISSUE 1

 

Annotation

 

The guidance note applies to trackside signalling power supplies 650 V power cables and their associated insulation monitoring equipment. TN systems are not considered.

The guidance note should be used by all maintenance staff when monitoring 650 V power cables.

It should be noted that this guidance note applies primarily to fixed insulation monitoring installations.

Purpose

The purpose of this guidance note is to provide general guidance to the maintainer on the management of signalling power supply cables and specific information on the application of insulation monitoring equipment.

 

Автоматический перевод:

 

Контроль изоляции 650-вольтовой Земли - Свободный (IT-система) Силовые кабели - Этот стандарт должен только использоваться для справки для обеспечения 'Контроля Риска', пока дата соответствия его стандарта замены не достигнута, на который будет снят этот стандарт. Развитие всех новых процессов и процедур должно быть к стандарту замены

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