Bias Stability Factor of Transistor: Bias Stability Factor of Transistor - Only the fixing of a suitable operating point is not sufficient but it is also to be ensured that…
Characteristics of Regulated Power Supply: The quality of power supply depends on different factors such as its load voltage, load current, voltage regulation, source regulation, output impedance, ripple rejection etc.…
Power Diode - Structure, Symbol, Characteristics and Types: Diodes find many applications in electronics and electrical engineering circuits. Power diodes play a significant role in power electronics for conversion of…
Quality Factor of Parallel RLC Circuit: Consider the Quality Factor of Parallel RLC Circuit shown in Fig. 8.16. In the circuit shown, the condition for resonance occurs when the susceptance…
Reactive Power and The Power Triangle: We know that the average power dissipated is From the impedance triangle shown in Fig. 6.4 If we substitute Eqs (6.12) and (6.13) in…
Apparent Power and Power Factor: Apparent Power - The power factor is useful in determining useful power (true power) transferred to a load. The highest power factor is 1, which…
Directional Overcurrent Relays in Power Systems: Directional Overcurrent Relays in Power Systems - Relay connections must be made so that the currents and voltages applied to the relay during the…
Important Questions of Variable Load on Power Stations: 1. Why is the load on a power station variable ? What are the effects of variable load on the operation of…