Related Post

Transformer on No load ConditionE.m.f Equation of Transformer Transformer on load Condition Transformer DefinitionEarthing or Neutral Grounding Transformer Parallel operation of TransformerOpen circuit test or No load Test of Transformer Short Circuit Test or Full load Cu loss of Transformer What is a Power Transformer ?Conservator tank of TransformerBuchholz Relay of Transformer and Working of Buchholz RelayBushing of Transformer ( for H.V side and L.V side )WTI and OTI of TransformerMOG ( magnetic oil gauge ) of TransformerPRD of TransformerRadiator of Transformer and working of RadiatorOil Pump of Transformer Silica Gel Breather of TransformerOil Flow Indicator of the pump of Power TransformerMagnetic leakage of Single Phase TransformerEquivalent Resistance of single phase TransformerTransformer with winding Resistance but No Magnetic LeakageTransformer with winding Resistance and Magnetic LeakageCore type Transformer and Shell type TransformerEquivalent Circuit diagram of single phase Transformer Protection of Transformer

Index

SymbolsTransformerRelayPower-SystemBasic-electricalACSR-ConductorCircuit-BreakerInterview-questions-of-Basic-ElectricityInterview-questions-of-transformerInsulatorCurrent-TransformerMCQMCQ-powersystemThermal-power-stationInterview-questions-of-Power-SystemPower-ElectronicsInterview-questions-of-Underground-CableInterview-questions-of-IlluminationIlluminationMCQ-of-ElectronicsMCQ-of-Basic-ElectricalMCQ-of-Transformers MCQ-of-D.C-motor MCQ-of-D.C-generatorsMCQ-Control-SystemMCQ-Measurementsmcq-of-Generation-power-systemMCQ-of-Induction-MotorMCQ-of-Transmission-DistributionMCQ-of-Electrical-MachinesMCQ-of-Alternator-and-Synchronous-MotorsMCQ-Electric-Power

Transformer with winding Resistance but No Magnetic Leakage


≪ Previous Next ≫

In an actual transformer, there will be some resistance in both sides winding i.e primary & secondary winding due to the presence of copper winding .

Now, we describe what is the effect in transformer due to presence of winding resistance but no magnetic leakage ?

Fig-1


Let, R1 = Primary winding resistance,
R2 =Secondary winding resistance,
V1= Primary applied voltage,
V2=Secondary terminal voltage,
E1= Primary induced e.m.f,
E2= Secondary induced e.m.f,
I1= Primary current,
I2= Secondary Current, ( which are shown in fig-1 )


a) Due to the presence of secondary winding resistance ( R2), an amount I2R2 voltage drop will be occurred in the secondary winding.
Hence, the secondary Terminal voltage (V2) is equal to the vector difference of E2 and resistance voltage drop I2R2,

i.e V2=E2-I2R2

b) Similarly, Primary induced e.m.f E1 is equal to the vector difference of V1 and primary resistance voltage drop I1R1,

i.e E1=V1 - I1R1


The vector diagrams are shown below on different loading condition of transformer at no magnetic leakage :-


Fig-2 ( When Load is Non-Inductive)




Fig-3 ( When Load is Inductive)




Fig-4 ( When Load is Capacitive)


<< Previous Next >>


≪ Previous Next ≫


Related topics :


Recent Post

Multiple Choice Question (MCQ) of Transmission and Distribution page-3:
21. ACSR conductor implies
A) Anodized Core Smooth Run
B) Anode current sinusoidally run
C) Aluminium conductor steel reinforced
D) All conductors surface treated and realigned.

Read more...

Multiple Choice Question (MCQ) of Transmission and Distribution page-2:
11. In overhead transmission lines the effect of capacitance can be neglected when the length of line is less than
A) 80 km
B) 100 km
C) 160 km
D) 200 km.

Read more...

Multiple Choice Question (MCQ) of Transmission and Distribution page-1:
1. Which of the following is not the transmission voltage in India ?
A) 400 kV
B) 264 kV
C) 132 kV
D) 66 kV.

Read more...