Electric Power

Power system stability refers to the ability of the various synchronous machines in the system to remain in … Read More

The protective relay is the device that responds to signals from the transducers by quickly initiating or allowing … Read More

The operation of a power system is affected by disturbances that could be due to natural occurrences such … Read More

The normal operation of the power system at steady state is affected, sometimes dramatically, by the occurrence of … Read More

The method of symmetrical components is used to solve power system problems involving unbalanced polyphase voltages and currents. … Read More

The electrical power system can be divided into three major components: generation (G), transmission (T), and distribution (D) … Read More

In a three-phase AC power distribution circuit, three single-phase AC sources are interconnected in either a wye or … Read More

The most economical way to mass produce AC power is by steam turbines that drive large three-phase AC … Read More

In a single-phase (or 3-phase for that matter) AC electrical power distribution system, both the load current (as … Read More

Advantages and disadvantages of a High-Voltage DC power transmission system should be analyzed in detail. Only then can … Read More

A general method of calculation will start from the load energy requirements; determine the local insolation level and … Read More

One method of protecting sensitive equipment against power interruptions is the uninterruptible power supply (UPS). The UPS has … Read More