A 10-KVA,240-2400-V, single-phase transformer has the following resistances and leakage reactance : r = 0.032, r...
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الوصف A 10-KVA,240-2400-V, single-phase transformer has the following resistances and leakage reactance : r₁ = 0.032, r₂ = 3 2 ,x1 = 0.150 2 and x2 = 152 Rc = 1,5 K and Xm= 0.5 Kn (a) Calculate the equivalent resistance of the transformer referred to the low voltage side (Req1). (b)Calculate the equivalent leakage reactance of the transformer referred to the low voltage side (Xeq1). (c) Calculate the equivalent resistance of the transformer referred to the higt voltage side (Req2). (d)Calculate the equivalent leakage reactance of the transformer referred to the higt voltage side (Xeq2). (e) Find the module of primary voltage I V₁l required to produce 2400V at the secondary terminals at full load, and 0.8 power factor lagging. (1) Calculate the voltage regulation in % (power factor 0.8 lagging). (g) Calculate the efficiency of the transformer in % (power factor 0.8 lagging). ارشادات الوصف A 10-KVA,240-2400-V, single-phase transformer has the following resistances and leakage reactance : r₁ = 0.032, r₂ = 3 2 ,x1 = 0.150 2 and x2 = 152 Rc = 1,5 K and Xm= 0.5 Kn (a) Calculate the equivalent resistance of the transformer referred to the low voltage side (Req1). (b)Calculate the equivalent leakage reactance of the transformer referred to the low voltage side (Xeq1). (c) Calculate the equivalent resistance of the transformer referred to the higt voltage side (Req2). (d)Calculate the equivalent leakage reactance of the transformer referred to the higt voltage side (Xeq2). (e) Find the module of primary voltage I V₁l required to produce 2400V at the secondary terminals at full load, and 0.8 power factor lagging. (1) Calculate the voltage regulation in % (power factor 0.8 lagging). (g) Calculate the efficiency of the transformer in % (power factor 0.8 lagging). ارشادات
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a To calculate the equivalent resistance of the transformer referred to the low voltage side we need to use the transformers turns ratio and the resis... View the full answer
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