Reversible Drives using Phase Controlled Converters: When speed control in both forward and reverse directions is required a Reversible Drives is used. In several applications the speed reversal may be…
Chopper Fed DC Drives: The variable voltage to the armature of a dc motor for speed control can be obtained from a dc chopper which is a single stage dc…
Torque Equation of DC Motor: When dc voltage is applied to the armature of a dc motor with its field excited by dc, a torque is developed and the armature…
Two Quadrant Chopper: Sometimes a chopper may be required to provide a two quadrant operation by retaining the current direction in both motoring and braking modes. Such a Two Quadrant…
Two pulse bridge converter: A two pulse bridge converter is achieved as shown in Fig. 3.22 from two midpoint converters. They are connected in series on the dc side and…
Gas Turbine Power Plant: A generating station which employs gas turbine as the prime mover for the generation of electrical energy is known as a gas turbine power plant In…
Diesel Power Plant: A generating station in which diesel engine is used as the prime mover for the generation of electrical energy is known as Diesel Power Plant. In a…
3 Phase Relays: In a 3 Phase Relays, it is economical to build it on a single phase basis. Thus there will be three converter elements, one for each phase,…