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Auto tap changers

Kelly Marie Angel

Hi all I've recently been reading that sometimes DNOs  deliberately put 132 and 33 Kv transformers on the wrong tapping  to deliberately reduce the voltage on the network to help reduce the load a bit does this happen much? I knew they did it in the early 70s when there was power shortages but I can't believe they still do it now. 

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    Hello, this is done in some areas as a short term demand / frequency response control.  Electricity North West developed it under network innovation scheme.  See CLASS project (enwl.co.uk)   

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    Hello, this is done in some areas as a short term demand / frequency response control.  Electricity North West developed it under network innovation scheme.  See CLASS project (enwl.co.uk)   

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