132kV Pressure Test - Cardiff East Substation, Cardiff, South Wales
Following installation of a new section of XLPE onto an oil filled circuit between Cardiff and Cardiff East 132kV substations, Wootton & Wootton were requested to conduct the final pressure test. Due to the make up of the cable circuit, this was at a reduced voltage of 1.2Uo (91.5kV).
Due to flood defences, the site had very tight access, but due to the size of the HVA200, this was not an issue. The circuit was tested through the Outdoor terminations at Cardiff East, with all phases connected together. This was possilble due to the overall short length of the circuit and capacitance of the cable.
The test was completed successfully to the satisfaction of WPD personnel and the client.
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