Electrical Engineering ⇒ Topic : Admittance Triangle
Since admittance has in-phase component (i.e. G) as well as quadrature component (i.e. BL or Bc), it can be represented by a right angled triangle, called admittance triangle.
(i) For an inductive circuit (i.e. R + jXL), the impedance and admittance triangles will be as shown in Fig. (a). Note that admittance angle is equal to the impedance angle but is *negative. For this reason, BL will be along OY'-axis and hence negative.
(ii) For a capacitive circuit (i.e. R - jXC), the impedance and admittance triangles will be as shown in Fig.(B). Note that admittance angle is equal to the impedance angle but of opposite sign. For this reason, BC will lie along °Y-axis and hence positive
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