12. A 7 kVA, 550/110 V transformer has equivalent resis- Ω. tance refered to primary, Req(HV) = 1.13 2 and equiv- alent reactance referred to primay, Xeq(HV) = 4.71 N. A lagging load is being supplied by it resulting in the following meter readings (meters are placed on the HV side): I₁ == 8.0 A, V₁ = 550 V, P₁ = 3.4 kW For this condition calculate what a voltmeter would read if con- nected across the load terminals. Neglect the no-load current of the transformer.
12. A 7 kVA, 550/110 V transformer has equivalent resis- Ω. tance refered to primary, Req(HV) = 1.13 2 and equiv- alent reactance referred to primay, Xeq(HV) = 4.71 N. A lagging load is being supplied by it resulting in the following meter readings (meters are placed on the HV side): I₁ == 8.0 A, V₁ = 550 V, P₁ = 3.4 kW For this condition calculate what a voltmeter would read if con- nected across the load terminals. Neglect the no-load current of the transformer.
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Transcribed Image Text:12. A 7 kVA, 550/110 V transformer has equivalent resis-
Ω.
tance refered to primary, Req(HV) = 1.13 2 and equiv-
alent reactance referred to primay, Xeq(HV) = 4.71 N.
A lagging load is being supplied by it resulting in the
following meter readings (meters are placed on the HV
side): I₁ == 8.0 A, V₁ = 550 V, P₁ = 3.4 kW For this
condition calculate what a voltmeter would read if con-
nected across the load terminals. Neglect the no-load
current of the transformer.
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