An Active and Reactive Power Dispatch Technique for a Power System Area Using Spot Price of Electricity

A solution to security constrained non-convex economic dispatch problem by modified subgradient algorithm based on feasible values

“…The optimal tap ratio values for off nominal tap ratio transformers a 19, (4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18) 0.98 0.98 1.00 a 41, 0.95 0.95 0.95 a 80, 0.94 0.94 0.93 a 65, 0.95 0.95 0.95 a 54, 0.94 0.94 0.94 a 71, 0.96 0.96 0.96 a 66, 0.92 0.92 0.92 a 59, 0.92 0.92 0.92 a 58, 0 problems such as short-term hydrothermal scheduling problem and pumped-storage hydraulic unit scheduling problem. To our knowledge, the proposed solution technique has not been applied to the problem given in this paper.…”

“…Some of these methods use the genetic algorithm [1,2], the particle swarm optimization technique [3,4], the tabu search technique [5,6], the evolutionary, differential evolutionary and the modified differential evolutionary algorithms [7][8][9][10], the pseudo spot price algorithm [11], the interior point method [12], the quantum-inspired evolutionary algorithm [13], and finally the hybrid methods [14].…”

“…In PSPA algorithm [11], the power system transmission loss is inserted into the solution procedure via a load flow calculation. Initially, a power flow calculation is carried out with the selected active power generations; after that, new active generations are calculated using the active power flows on the transmission lines and pseudo spot price of electricity of each bus.…”

A spot price of electricity algorithm applied to lossy short‐term hydrothermal scheduling problem with limited energy supply thermal units

“…Spot price of electricity algorithm was utilized for the solutions of various problems. It was used in the solution of active power dispatch problem in a multi-area interconnected system [6], in the solution of active and reactive power dispatch problem in a lossy electric power system comprising only normal thermal units [7], in the solution of active generation dispatch problem in a lossy electric power system containing pumped-storage hydraulic unit [8], in the solution of lossy short-term hydrothermal coordination problem [9] and in the solution of active generation dispatch problem in a lossy electric power system which includes normal and limited energy supply thermal units [10]. In Reference [11], lossy short-term hydrothermal coordination problem with limited energy supply thermal units is solved by using genetic algorithm.…”