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Avditorne vaje - LES

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16.4.2012Narišemo šesekundarne faznenapetosti.Kot med primarnofazno in sekundarnofazno napetostjo je210°. Odgovor se zatoglasi Yzn7.Trifazni transformator I58Trifazni transformator IITrifazni transformator S n =100 kVA,U 1n =10 kV, U 2n =600 V in vezave Yzn5,je na sekundarni strani spojen tako kot jeprikazano na sliki. Na primarni strani jepriključen na nazivno napetost. Kakšneso medfazne sekundarne napetosti?59Trifazni transformator IINarišemo kazalčni diagram napetosti. V tanamen narišemo pomožne puščice.6020

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