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Congestion management process is very crucial and important for better planning and successful operation of electrical power system. Due to increase in load, power flow for the system must be calculated to ensure system stability and security. In this paper Congestion management is implemented by minimization and optimization of loads. Use of FACTS devices is also included for optimal power flow for...
This paper analyzes various methods of capacitor placement in a radial distribution system considering the optimal power flow. It compares the total system losses with conventional power flow to optimal power flow in all the methods such as Index vector method (IV), voltage sensitivity index method (VSI), combined power loss sensitivity method (CPLS), voltage stability index method (VStI) and voltage...
This paper presents a probabilistic assessment of Available Transfer Capability (ATC) in the presence of intermittent wind resources in the power system. An optimal power flow based approach is taken into account to calculate ATC wherein wind resources are considered as an equivalent active power generation placed in the transmission system. Probabilistic nature of wind is incorporated by considering...
This paper examines the impact of installing Thyristor Controlled Series Compensator (TCSC) on Available Transfer Capability (ATC) in a system with wind and hydro generations. Wind resource is modelled as an active power generation, wind power being decided by average wind velocity values over 24 hour duration. Hydro power output is represented as a polynomial in two variables, water discharge and...
The impact of deregulation in power system has changed the electricity pricing scheme where the prices are governed by the rules of market operation. The prices must take into account the effect of load and must be based on the change in the operating state of the system. In this paper an optimal power flow approach is used to determine the marginal clearing price along with the nodal prices by minimizing...
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