Using Hybrid Power Flow Controller (HPFC) to Improve Performance of Old and Existing Compensators in Power System

Abstract:

In this paper, a hybrid topology of FACTS devices has been investigated to improve stability features of static voltage. The primary assumption is a power system which has been located under SVC parallel compensation. HPFC forms a hybrid controller using IPFC series converters as a hybrid with existing parallel and passive compensator (SVC) in power system. Thus, simultaneous and independent control of active power flow can be reached through transmission lines and the exchanged reactive power values towards sending and receiving line. Using a hybrid structure makes the use of convertors to improve performance of the old and existing compensators in the power system possible. In this study, the power injection model (PIM) has been used to model series-parallel parts of hybrid power flow controller in Newton-Raphson load flow, and all have been simulated in M-file environment of MATLAB software. In order to investigate the effect of this controller on stability properties of static voltage, P-V curve of PQ buses of a prototype system has been evaluated in a continuous power flow (CPF) in M-file environment of MATLAB software. In the section of simulation results, SVC parallel compensation and UPFC series-parallel compensation are compared in terms of the amount of losses, active and reactive power, and improvement of the system’s loading limit with the proposed hybrid structure.

• Periodical: Advanced Materials Research (Volumes 622-623)
• Pages: 1048-1055
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.622-623.1048
• Online since: December 2012
• Authors: Mojtaba Hakimzadeh, Reza Sedaghati, Masoud Parhoodeh
• Keywords: Continuous Power Flow, Hybrid Controller, Loading Parameter, Static Voltage Stability

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