Vacuum Insulation

Vacuum Insulation: The idea of using Vacuum Insulation purposes is very old. According to the Townsend theory, the growth of current in a gap depends on the drift of the…

Continue Reading Vacuum Insulation

Protective Relay

Protective Relay: A Protective Relay is a device that detects the fault and initiates the operation of the circuit breaker to isolate the defective element from the rest of the…

Continue Reading Protective Relay
Symmetrical Optimum

Symmetrical Optimum

Symmetrical Optimum: Symmetrical Optimum - Sometimes automatic control systems contain integrating also besides first order delay elements, proportional elements and deadzones. Such a system when compensated on the basis of magnitude…

Continue Reading Symmetrical Optimum
Relative Stability from the Nyquist Plot

Relative Stability from the Nyquist Plot

Relative Stability from the Nyquist Plot: Relative Stability from the Nyquist Plot - The considerations discussed above provide information about the absolute stability of the system, i.e., whether the system…

Continue Reading Relative Stability from the Nyquist Plot
Closed Loop Control of DC Motor

Closed Loop Control of DC Motor

Closed Loop Control of DC Motor: Closed Loop Control of DC Motor - The dynamic behaviour of a system is described by a set of differential equa­tions. On many occasions…

Continue Reading Closed Loop Control of DC Motor