The concept and ways of electric power saving Generally, electric power saving concept is to control electric consumption or release. In our daily life, we usually use electric power beyond its necessity through electrical appliances such as lighting and motor, etc.

The examples are the impoper brightness of lighting and the over output of motor power, etc. Realizing these problems, many engineers have long been trying to develop new methods to overcome the deficienccies. Among well known aspects are:the installation of automatic ON-OFF switch, the power control of illumination, voltage, electric current and the improvement of power factor.

Another alternative, which is not concerned in this discussion, is by electric goods itself specially designed to comsume with efficient power control.