1
GATE EE 2002
Subjective
+5
-0
A single phase $$6300$$ $$kVA,$$ $$50$$ $$Hz,$$ $$3300V/400V$$ distribution transformer is connected between two $$50$$ $$Hz$$ supply systems, $$A$$ and $$B$$ as shown in Fig. The transformer has $$12$$ and $$99$$ turns in the low and high voltage windings respectively. The magnetizing reactance of the transformer referred to the high voltage side is $$500\Omega .$$ The leakage reactance of the high and low voltage windings are $$1.0\Omega $$ and $$0.012\Omega $$ respectively. Neglect the winding resistance and core losses of the transformer. The Thevenin voltage of system $$A$$ is $$3300V$$ while that of system $$B$$ is $$400V.$$ the short circuit reactance of systems $$A$$ and $$B$$ are $$0.5\Omega $$ and $$0.010\Omega $$ respectively. If no power is transferred between $$A$$ and $$B,$$ so that the two system voltages are in phase, find the magnetizing ampere turns of the transformer.
![GATE EE 2002 Electrical Machines - Transformers Question 10 English](https://imagex.cdn.examgoal.net/lEnSQJf4FqimVY0NZ/5IvCNvvAreuXCnEZ3JG5lUJpcU1bP/rTljryKIvTtmHiZKKpxYNg/uploadfile.jpg)
2
GATE EE 2002
MCQ (Single Correct Answer)
+1
-0.3
Given a vector field $$\overrightarrow F ,$$ the divergence theorem states that
3
GATE EE 2002
Subjective
+5
-0
The magnetic vector potential in a region is defined by $$\overrightarrow A = {e^{ - y}}\sin \left( x \right){\widehat a_z}.$$ An infinitely long conductor, having a cross section area, $$a=5$$ $$m{m^2}$$ and carrying a $$dc$$ current, $${\rm I} = 5\,A$$ in the $$Y$$ direction, passes through this region as shown in Fig. Determine the expression for $$(a)$$ $$\overrightarrow B $$ and $$(b)$$ force density $$\overrightarrow f $$ exerted on the conductor
![GATE EE 2002 Electromagnetic Fields - Magnetostatics Question 6 English](https://gateclass.static.cdn.examgoal.net/oxAOAj9rumAMy27Xf/j2nXBaJ40J7IYZMCywtzVea8On0WB/fm50Cr1NkEMjzqr8dTfyFV/uploadfile.jpg)
4
GATE EE 2002
MCQ (Single Correct Answer)
+1
-0.3
The determinant of the matrix $$\left[ {\matrix{
1 & 0 & 0 & 0 \cr
{100} & 1 & 0 & 0 \cr
{100} & {200} & 1 & 0 \cr
{100} & {200} & {300} & 1 \cr
} } \right]$$ is
Paper analysis
Total Questions
Analog Electronics
7
Control Systems
7
Digital Electronics
5
Electric Circuits
11
Electrical and Electronics Measurement
3
Electrical Machines
10
Electromagnetic Fields
2
Engineering Mathematics
3
Power Electronics
7
Power System Analysis
10
Signals and Systems
5
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