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Paschen Breakdown

Paschen Breakdown | Paschen's Law | Paschen curve It has been shown earlier (refer Sec. 2.6) that the Paschen Breakdown criterion in gases is given as where the coefficients α and γ…

Experimental Arrangement to Measure Ionization Coefficients

Experimental Arrangement to Measure Ionization Coefficients α and γ: The Experimental Arrangement to Measure Ionization Coefficients is shown in Fig. 2.2. The electrode system consists of two uniform field electrodes. The…

Relay Timing Circuit

Relay Timing Circuit: An important characteristic of a relay is its time of operation. By the Relay Timing Circuit of operation is meant length of the time from the instant…

Mechanical Principles in Transmission Lines

Mechanical Principles in Transmission Lines: Mechanical Principles in Transmission Lines design should depend to some extent on the importance of continuity of operation in the line under consideration. In general, the…

Sag in Overhead Transmission Lines

Sag in Overhead Transmission Lines: While erecting an Sag in Overhead Transmission Lines, it is very important that conductors are under safe tension. If the conductors are too much stretched…

Types of Insulators in Transmission Lines

Types of Insulators in Transmission Lines: The overhead line conductors should be supported on the poles or towers in such a way that currents from conductors do not flow to…

Economic Choice of Transmission Voltages

Economic Choice of Transmission Voltages: It has been shown earlier here that if transmission voltage is increased, the volume of conductor material required is reduced. This decreases the expenditure on…

Methods of Determining Depreciation

Methods of Determining Depreciation: There is reduction in the value of the equipment and other property of the plant every year due to depreciation. Therefore, a suitable amount (known as…