Page 342 - Basic Electrical Engineering

Let V = a + jb and V = a + jb 2
2
1
1
2
1
Addition: V = V + V 2
1
= (a + jb ) + (a + jb )
1
2
2
1
= (a + a ) + j(b + b )
2
1
2
1
Magnitude of the resultant
vector

Phase angle,

Subtraction: V = V − V 2
1
= (a + jb ) − (a − jb )
1
2
1
2
= (a − a ) + j(b − b )
1
2
2
1
Magnitude of the resultant
vector

Phase angle,

Multiplication and division of phasor quantities

Let