CONTENT 1.WHAT IS VECTOR AND PHASOR? 2.LEADING AND LAGGING 3.VECTOR ADDITION 4.TRANSFORMER ON NO LOAD AND ITS PHASOR

2. CONTENT
1. WHAT IS VECTOR AND PHASOR?
2. LEADING AND LAGGING
3. VECTOR ADDITION
4. TRANSFORMER ON NO LOAD AND ITS PHASOR
PRESENTED BY:-GURKIRAT SINGH (ELECTRICAL ENGINEERING)

3. What is a vector?
Vector, in physics, a quantity that has both magnitude
and direction. It is typically represented by an arrow
whose direction is the same as that of the quantity and
whose length is proportional to the quantity’s
magnitude.
What is a phasor?
A phasor is a line used to represent a complex electrical
quantity as a vector.
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4. A rotating vector representing the
sinusoidal
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5. PHASOR DIAGRAM OF A SINUSOIDAL
WAVEFORM
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6. PRESENTED BY:-GURKIRAT SINGH (ELECTRICAL ENGINEERING)

7. PHASE DIFFERENCE OF A
SINUSOIDAL WAVEFORM
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8. LEADING & LAGGING
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9. PRESENTED BY:-GURKIRAT SINGH (ELECTRICAL ENGINEERING)

10. VECTOR ADDITION
Vector addition is the
operation of adding two
or more vectors together
into a vector sum.
For two vectors and ,
the vector sum is obtained
by placing them head to
tail and drawing the vector
from the free tail to the
free head.
PRESENTED BY:-GURKIRAT SINGH (ELECTRICAL ENGINEERING)

11. TRANSFORMER ON NO LOAD
Transformer is said to be on no load when secondary winding is
open circuited and the secondary current I2 is zero. In this case,
neither the secondary winding has any effect on the magnetic flux
in the core nor it has any effect on the primary current.
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12. Therefore if transformer is on no load, a small current I0 (usually 2
to 10% of the rated value) called exciting current is drawn by the
primary.
The no-load current has two components :
One, Iw in phase with the applied voltage V1, called active or
working component. It supplies the iron losses and a small primary
copper losses.
The other, Imag in quadrature with the applied voltage V1, called
reactive of magnetising component. It produces flux in the core and
does not consume any power.
PRESENTED BY:-GURKIRAT SINGH (ELECTRICAL ENGINEERING)

13. PHASOR DIAGRAM
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14. THANK YOU……..
Presented by :- GURKIRAT SINGH
PRESENTED BY:-GURKIRAT SINGH (ELECTRICAL ENGINEERING)