WSEAS Transactions on Power Systems
Print ISSN: 1790-5060, E-ISSN: 2224-350X
Volume 10, 2015
Computation of Reactive Power by Power Components in Practical Power Systems
Authors: ,
Abstract: In order to meet the growing load demand, the power utilities are transferred to restructuring process. The reactive power is the supporting power which is necessary for real power transfer. Line charging capacitance, Capacitors, Generators, Synchronous condensers can produce reactive power. So, it is mandatory to know the contribution of reactive power delivered by these regulating devices for the particular load condition. This paper presents the intuition of power flow tracing techniques to determine the amount of reactive power delivered by the regulating devices. The results are compared with using three different reactive power evaluation methods namely Equivalent reactive compensation method, Modified Ybus method, Virtual power flow approach method. The contribution of individual power sources towards the reactive power is demonstrated by using IEEE30 bus system as test system.
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Keywords: Equivalent reactive compensation method, Modified Ybus method, Virtual power flow approach method, Modified power flow tracing method, Upstream algorithm, Downstream algorithm
Pages: 157-170
WSEAS Transactions on Power Systems, ISSN / E-ISSN: 1790-5060 / 2224-350X, Volume 10, 2015, Art. #17