Short Circuit Current of Loaded Synchronous Machine: In the previous article on the Short Circuit of a Synchronous Machine, it was assumed that the machine was operating at no load…
Proportional Plus Integral Control: Proportional Plus Integral Control - It is seen from the earlier discussion that with the speed governing system installed on each machine, the steady load frequency…
Optimal Scheduling of Hydrothermal Processes: The earlier sections have dealt with the problem of optimal scheduling of a power system with thermal plants only. Optimal operating policy in this case…
Derivation of Transmission Loss Formula: An accurate method of obtaining a general derivation of transmission loss formula has been given by Kron. This, however, is quite complicated. The aim of…
Optimal Unit Commitment (UC): As is evident, it is not economical to run all the units available all the time. To determine the units of a plant that should operate…
Problems of Power Sector in India: The electricity requirements of power sector in India have grown tremendously and the demand has been running ahead of supply. Electricity generation and transmission…
Types of Forced Commutation: It was observed from the discussion on choppers and inverters that in thyristor systems fed from dc supply, the forward current does not pass through zero…
Static Scherbius Drive Circuit Diagram: A basic scheme of a Static Scherbius Drive Circuit Diagram converter cascade, that is employed for recovery of slip power in electrical form itself, is…