The following methods can be used to mitigate voltage stability problems. MUST-RUN GENERATION: Operate uneconomic generators to change power flows…

There are three basic reasons for grounding a power system which are personal safety, protective device operation, and noise control.…

In general, shunt compensators are classified depending on the technology used in their implementation. Rotating and static equipments were commonly…

Figure 25.1 shows the principles and theoretical effects of shunt reactive power compensation in a basic ac system, which comprises…

Shunt compensation is used basically to control the amount of reactive power that flows through the power system. In a…

Figures 24.6, 24.7, and 24.8 show three types of hybrid active/passive filters, the main purpose of which is to reduce…

Nonlinear loads drawing non-sinusoidal currents from utilities are classified into identified and unidentified loads. High-power diode/thyristor rectifiers, cycloconverters, and arc…

Power transformers connected directly to generators can experience excitation and short-circuit conditions beyond the requirements defined by ANSI/ IEEE standards.…

There are many different accessories used to monitor and protect power transformers, some of which are considered standard features, and…

When a transformer is taken off-line, a certain amount of residual flux remains in the core due to the properties…