The main components of a wind power system are illustrated in Figure 28.1, which include a turbine rotor and blades, a…

In virtually every engineering application there is a need for measuring some physical quantities, such as forces, str…

Balancing authorities are responsible for the performance of the electric system is to ensure that at every moment of …

The electric utility industry over time developed planning, operating, and design standards to address customer expect…

Reliability of a system is difficult to measure. Perhaps the best way is through evaluation of the consequences of pos…

The costs of electric power outages to U.S. electric customers are generally called “socioeconomic” costs. Attempts ha…

Interruptions in the supply of electricity to customers can occur at any hour of the day or night and can last from fr…

SMART GRID Smart Grid is one of a number of names used to describe a transmission and distribution network that uses…

There are a large range of possible approaches and concepts for storing energy in electric utility systems. These are …

Energy storage applications offer potential benefits to the transmission and distribution system because of the abilit…

An alternate means of transmitting electricity is to use high-voltage direct current (HVDC) technology. As the name im…

There are a number of designs used for substations. However, there are elements common to all: >> A BUS : is…

Substations are locations where transmission lines, transformers, and generators are connected. They fulfill a number …

The primary components of an overhead transmission line are: Conductors Ground or shield wires Insulators Support…

Disturbances may also change the voltage at the generator’s terminals. In response, the generator’s automatic voltage …

YAW CONTROL The yaw control continuously orients the rotor in the direction of the wind. It can be as simple as the …

Transformers are susceptible to damage by secondary short-circuit currents having magnitudes that can be many times ra…

The design of new substations has the advantage of starting with a blank sheet of paper. The new substation will typic…

The following additional design trade-offs are available to the system engineer: NUMBER OF BLADES This is the first…

The wind power system is comprised of one or more units, operating electrically in parallel, having the following comp…

Electric power is one of the mainstays of our lives and the life of our nation. It differentiates advanced societies f…