I do know of cases where the circuit is 275KV one side and / 400KV the other (look at the connections to ELLAND) and another circuit where the plylon says 400kV but it 275 kV on the system schmatic (Usk power station)
The Scottish power grid and the England grid are strong compared to the interconnection. There are issues regaring reactive power transfer from North to South. If the link is DC then there are no issues regaring reactive power transfer, stablity limits or the reactive power consumed by a rather...
It is not always the rule. Localy the 275kV circuit that powers Cardiff and a large lump of south wales is single conductor. Each side is seperate circuit and can be switched indpendantly.
Ever curious how the nation grid and DNO networks fit together? This map site might help Open Infrastructure Map - https://openinframap.org/#14.53/51.5092/-0.01187
Anyone want some genuine London Underground high bay light fittings, a snip at £150 each
XL Station Lights - https://www.ltmuseumshop.co.uk/vintage-shop/shop-signs-and-railwayana/xl-station-lights
You might like this video
also JW has a view some MK are now in cheap thermoplastic (fire risk) rather than the old urea formaldhade thermosetting resin
You could have 100A 230V MID B Modular Single Phase Electronic Meter - https://www.cef.co.uk/catalogue/products/4536127-100a-230v-mid-b-modular-single-phase-electronic-meter stick some seals om it though
Hi,
Early 1980's housing estate 60A large detached house supply looped through next door. What is the experiance in with Northern Power grid, re the un looping and who pays?
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