CP1505: off site Commissioning of current transformers

Formal title: Allowing ‘off site’ Commissioning of current transformers preinstalled in cut outs or switchgear at manufacture for use in low voltage (LV) installations

Current Status

Submission
Assessment
CPC Consultation
Committee Decision
Awaiting Implementation
Implemented

Summary

CoP4 details the requirements of commissioning Metering Equipment for settlement purposes in LV installations to be done ‘on site’. This is not always reasonably practical or physically possible and should be updated to allow ‘off site’ commissioning of current Transformers. In some installations current transformers are delivered in sealed units and have already been tested (and certain requirements of CoP4 confirmed) by the manufacturer ‘off site’. In these instances it may not be cost effective to complete all commissioning tests ‘on site’. Furthermore for some sealed units it may not possible to access the current transformers and so meaningful commissioning tests cannot be completed ‘on site’.

Progression

CP1505 was raised by ELEXON on 12 March 2018. CP1505 was presented to the ISG for information on 20 March 2018 and will be presented to SVG for information 27 March 2018. It will be issued for CP Consultation on 9 April 2018, with responses due by 4 May 2018. CP1505 was presented to ISG and SVG for decision at its meeting on 22 May and 29 May respectively. CP1505 shall be issued for consultation on 9 April 2018 with responses due on 4 May 2018.

Next Events

CP1505 was issued for consultation on 9 April 2018 with responses due on 4 May 2018.

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