Generation of High Voltage and Currents Articles

Generation of High Voltage and Currents Articles: Cascade Transformer Connection : Figure 6.10 shows the Cascade Transformer Connection units in which the first transformer is at the ground potential along…

Continue Reading Generation of High Voltage and Currents Articles

High Voltage Testing of Surge Arrester

High Voltage Testing of Surge Arrester: In modern practices, surge arrester or lightning arresters are the most reliable apparatus to protect the power system against transient voltages due to lightning…

Continue Reading High Voltage Testing of Surge Arrester

Selection of Surge Arresters

Selection of Surge Arresters: These are non-linear resistors in series with spark gaps which act as fast switches. A Selection of Surge Arresters or lightning arrester is shown in Fig.…

Continue Reading Selection of Surge Arresters

Switching Surges in Transmission Line

Switching Surges in Transmission Line: Till the time when the transmission voltages were about 220 kV and below, over-voltages due to lightning were of very high order and overvoltages generated…

Continue Reading Switching Surges in Transmission Line

Generation of Switching Surges

Generation of Switching Surges: Nowadays in extra high voltage transmission lines and power systems, switching surges is an important factor that affects the design of insulation. All transmission lines rated…

Continue Reading Generation of Switching Surges

Types of Surge Absorber

Types of Surge Absorber: The travelling waves set up on the transmission lines by the surges may reach the terminals apparatus and cause damage to it. The amount of damage…

Continue Reading Types of Surge Absorber