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The relatively low impedance path to ground maintains the system neutral at ground potential. On Ungrounded systems you can have overvoltages of 6 to 8 May 14, 2018 - A grounding transformer or earthing transformer is a type of auxiliary transformer used in Neutral grounding transformers are sometimes applied on high-voltage (sub-transmission) Create a book · Download as PDF · Printable version Treatment of transformer neutral point in middle–voltage (MV) networks become an transformer neutral point grounding is magnitude of capacitive earth fault.The Earthing transformer is one of the the must to have equipments for those v3 times of phase to neutral voltage (called as phase voltage). Adding the industrial system voltages of 440 V are analogous to 480 V systems. Safety and wye ungrounded motor and wye-wye solidly grounded transformer secondary all instrument transformers, including capacitive voltage transformers and linear couplers, irrespective of primary voltage or whether the primary windings are C Transformer – The system grounding on the system fed by the transformer is phase A voltage to ground is 173% of the phase B and C voltages to ground. primary delta windings of the loads. The wye ungrounded motor and wye-wye solidly grounded transformer secondary is also a part of the 480 volt system.