Review of Cabling Techniques and Environmental Effects Applicable
Review of Cabling Techniques and Environmental Effects Applicable
Review of Cabling Techniques and Environmental Effects Applicable
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<strong>Review</strong> <strong>of</strong> <strong>Cabling</strong> <strong>Techniques</strong> <strong>and</strong> <strong>Environmental</strong> <strong>Effects</strong> <strong>Applicable</strong> to the Offshore Wind<br />
Farm Industry – Technical Report<br />
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156<br />
The Distribution Safety Rules <strong>of</strong> EDF Energy Networks; <strong>and</strong><br />
GB Security <strong>and</strong> Quality <strong>of</strong> Supply St<strong>and</strong>ard.<br />
Unless noted to the contrary, all equipment, materials <strong>and</strong> labour should be<br />
supplied, designed <strong>and</strong> constructed in accordance with the applicable sections<br />
<strong>of</strong> the latest revisions <strong>of</strong> the following:<br />
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British St<strong>and</strong>ards (BS);<br />
ISO st<strong>and</strong>ards (ISO);<br />
DNV st<strong>and</strong>ards (DNV);<br />
Electricity Networks Association st<strong>and</strong>ards (ENA) – applicable to possible<br />
DNO future owned equipment; <strong>and</strong><br />
International Electro-technical Commission st<strong>and</strong>ards (IEC).<br />
Electrical Supply Characteristics <strong>and</strong> Conditions<br />
Aside from the Grid Code, Distribution Code <strong>and</strong> Connection Agreement<br />
conditions the latest editions <strong>of</strong> the following should be applicable to the<br />
electrical connection in line with st<strong>and</strong>ard UK practices:<br />
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Engineering Recommendation P28 – Planning Limits for Voltage Fluctuations<br />
Caused by Industrial, Commercial <strong>and</strong> Domestic Equipment in the United<br />
Kingdom;<br />
Engineering Recommendation P29 – Planning Limits for Voltage Unbalance<br />
in the United Kingdom;<br />
Engineering Recommendation G5/4-1 – Planning Levels for Harmonic Voltage<br />
Distortion <strong>and</strong> the Connection <strong>of</strong> Non-Linear Equipment to Transmission<br />
Systems <strong>and</strong> Distribution Networks in the United Kingdom;<br />
Engineering Recommendation G59/1 – Recommendations for the Connection<br />
<strong>of</strong> Embedded Generating Plant to the Regional Electricity Companies’<br />
Distribution Systems;<br />
Engineering Recommendation G75 – Recommendations for Embedded<br />
Generating Plant Connecting To Public Electricity Suppliers’ Distribution<br />
Systems Above 20kV or with Outputs Over 5MW;<br />
ENA Technical Specification 41-24 – Guidelines for the Design, Installation,<br />
Testing <strong>and</strong> Maintenance <strong>of</strong> Main Earthing Systems in Substations; <strong>and</strong><br />
Engineering Recommendation S34 – A Guide for Assessing the Rise <strong>of</strong><br />
Potential at Substation Sites.