The ipfc is the multifunction device, such as power flow control, voltage control, oscillation damping. The interline power flow controller ipfc concept discussed in this paper addresses the problem of compensating a number of transmission lines at a given substation. Use of an interline power flow controller model for power. Pdf power flow management through interline power flow. The interline power flow controller ipfc is a series connected voltage source converter vsc based flexible ac transmission system facts controller for management of power flow among the multiline transmission system of a substation.
Hvdc can carry more power for a given size of conductor improved transient stability dynamic damping of the electric system oscillations require less space compared to ac for same voltage rating and size. Robust interline power flow controller with wind power. Power flow management through interline power flow controller. The e ect of an interline power flow controller ipfc on. Power system stability enhancement using interline power flow. Fuzzy logic controller based interline power flow controller. The e ect of an interline power flow controller ipfc on damping low frequency oscillations has been implied in some papers, but has not been investigated in detail. The voltage compensation lines which are in the right side of exchangefree line, are. Optimal location of interline power flow controller in a. Dual damping controller using interline power flow controller. Pdf interline power flow controller ipfc is one of the latest generations of flexible ac transmission systems.
Among the last generation facts controllers using the selfcommutated voltage sourced converter vsc 2, the unified power flow controller upfc and the interline power flow controller ipfc are the most versatile and powerful devices, improving the transfer capability of existing transmission lines. Abstract generalized interline power flow controller gipfc is one of the voltagesource controller vscbased flexible ac transmission system facts controllers that can independently regulate the power flow over each transmission line of a multiline system. In general, ipfc is used in multiple transmission lines of a power system network. Conventionally, series capacitive compensation fixed, thyristorcontrolled or sssc based is employed to increase the transmittable real power over a given line and also to. Direction of power flow can be changed very quickly. Keywords power quality, facts, distributed power flow.
This is done through an adjustable phase and amplitude voltage inserted to the line in series. Power system security enhancement with unified power flow. Each inverter can provide a series reactive compensation, as an sssc, for its own line. This paper investigates the damping control function of an interline power ow controller installed in a power system. The interline power flow controller ipfc is a new member of facts controllers. A unified power flow controller upfc is an electrical device for providing fastacting reactive power compensation on highvoltage electricity transmission networks.
This paper presents the modeling and performance analysis of gipfc based on 48pulsed voltagesource converters. The interline power flow controller ipfc a concept for the compensation and effective power flow management of multiline transmission systems. Chapters 3 to 9 cover the various facts controllers svc, tcsc and gcsc, static pst, statcom, sssc, upfc, ipfc, csc, ipc and other devices such as fault current limiter fcl, thyristor controlled braking resistor tcbr. To enhance the system security under contingency conditions in the presence of unified power flow controller upfc, it is necessary to identify an optimal. In its general form, the ipfc employs two or more number of inverters vsi with a common dc link, each to provide series compensation for a selected line of the transmission system. International journal of power energy systems engineering 2010. Through the analysis of the structure of ipfc, this paper demonstrates that fuzzy control method is an advanced and reasonable control method, which can be independently control bus voltage and the active and reactive.
Power flow analysis of a power system in the presence of. Interline power flow controller ipfc is the latest generation of facts controllers 12. A novel interline dc power flow controller idcpfc for meshed hvdc grids article pdf available in ieee transactions on power delivery 314. Pdf use of an interline power flow controller model for. Analyzing the effect of different types of interline power. Multiline power flow using interline power flow controller ipfc in power transmission systems. Unified means that dc terminal of controller converters are connected together for real power exchange the objective of introducing this controller is to address the problem of compensating a number of transmission lines connected at a substation. Interline power flow controller is the control device of facts flexible ac transmission systems which can adjust trend, enhance stability, improve power grid. He is the recipient of the 1992 westinghouse order of merit, the 1994 william e.
The dpfc distribute power flow controller modified from upfc for increasing system reliability and reducing costs. Simulation of distributed interline power flow controller. Ipfc based power injection model is incorporated in the state estimation algorithm. Realizing its multiport output can effectively improve the device regulate range and capability. The interline power flow controller ipfc is one of the voltage source converter vsc based facts controllers which can effectively manage the. The distributed interline power flow controller dipfc consists of the two or more series converters in different transmission lines that are interconnected via a common dc link, as shown in figure 7. Optimal power flow with interline power flow controller using harmony search algorithm 2 v k v j v i fig.
In this work mainly concentrated on choosing a suitable voltage source converter, to employ it in the ipfc. As a new concept for the compensation and effective power flow management, it addresses the target of compensating a number of transmission lines at a given substation. The dpfc is derived from the unified power flow controller upfc. Pdf the interline power flow controller ipfc proposed is a new concept for the. These are able to control independently the throughput active and reactive powers. Optimal location of interline power flow controller in a power system network using abc algorithm optimal location of interline power flow controller in a power system network using abc algorithm sreejith, s psimon, sishaj. Design of controller for an interline power flow controller.
Use of an interline power flow controller model for power flow analysis article pdf available in energy procedia 14. The schematic diagram of ipfc is illustrated in figure. Unlike other facts devices that aim to control the parameter of a single transmission line, the ipfc is conceived for the. Like the static synchronous compensator statcom, static synchronous series compensator sssc and unified power flow controller upfc, the ipfc also employs the. When operating below its rated capacity, the ipfc is in regulation mode, allowing of. Interline power flow controller is the control device of facts flexible ac transmission systems which can adjust trend, enhance stability, improve power grid transmission, etc. The interline power flow controller ipfc is one of the latest generation flexible ac transmission systems facts controller used to control power flows of. Power flow control and fault current limitation are two major problems that require an urgent solution in a direct current dc grid. Like the static synchronous compensator statcom, static synchronous series compensator sssc and unified power flow controller upfc, the ipfc also employs the voltage sourced converter as a. An advanced facts controller for power flow management in.
Investigate on a simplified multiport interline dc power. May 17, 2019 these integrated energy systems are increasingly replacing the conventional power plants in various sections around the globe. Fuzzy logic controller based interline power flow controller 3653 link capacitor, make it complex 4. When operating below its rated capacity, the ipfc is in regulation mode, allowing of the p and q flows on one line, and the p flow on. A dc power flow controller dcpfc can help to facilitate power flow routing in the multiterminal highvoltage direct current hvdc transmission system. Interline power flow controller ipfc is a new concept of facts controller for series compensation with the unique capability of power flow management among multiline of a substation. In fact, when the tip of output voltage vectors is on exchange free line, the two inverters act as. Gyugyi has published more than 50 papers in the field and holds 76 u.
Analysis on control solution of interline power flow controller. It uses a pair of threephase controllable bridges to produce current that is injected into a transmission line using a series transformer. Power flow management through interline power flow controller indra prakash mishra1, narendra kumar singh2 1eed, u. Dynamic performance of the interline unified power flow controller iupfc system using 48pulse gto thyristor international journal of innovative research in electronics and communications ijirec page 19 fig. This article investigates the power quality enhancement in power system using one of the most famous series converter based facts controller like ipfc interline power flow controller in power injection model pim. Analysis on control solution of interline power flow. It is a combination of series controllers or a unified controller. Power flow control using interline power flow controller.
The interline power flow controller ipfc is one of the voltage source. In its general form, the ipfc employs a number of inverters with a common dc link, each to provide series compensation for a. Ipfc is one of the latest generation facts controllers to control power flow. Comparison of the performance of distributed power flow. Based on the conventional power system state estimation model, a new method is proposed wherein an ipfc based power injection model is incorporated in the state estimation algorithm. Fast control of power flow, which implies stability improvements. Conventionally, series capacitive compensation fixed, thyristorcontrolled or sssc based. Design of controller for an interline power flow controller and. Study of power system performance with interline power. An interline power flow controller ipfc is a converter based controller which compensates and balance the power flow among multilines within the same corridor of the multiline subsystem. The problem of reactive power compensation and flow of power through the lines can be addressed. Pdf multiline power flow control using interline power flow. The interline power flow controller ipfc is one of the voltage source converter vsc based facts controllers which can effectively manage the power flow via multiline transmission system. Subsequently, he has focused on the development of new power electronic technologies for electric transmission and distribution systems, and has pioneered the converterbased approach for facts.
Interline power flow controller ipfc is a versatile device in the facts family of controllers and one of its latest. Upadhyay2 1 pg student 2 associate professor 1, 2 electrical engineering department 1, 2 s. An advanced facts controller for power flow management in transmission system using ipfc. The proposed controller is expected to realise overall control of the internal power flow in a dc grid and to limit the fault current under. Power flow controller and distributed interline power flow controller facts controllers in power system. Abstract the interline power flow controller ipfc proposed is a recent concept for the compensation and effective power flow management of multi line transmission systems. The unified power flow controller upfc was proposed for realtime control and dynamic compensation of ac transmission sys tems, providing the necessary. Ipfc has di erent applications7 balancing reactive and real power ows through compensated transmission lines, transmitting power from burdened load.
The controller can control active and reactive power flows in a transmission line. Facts controllers in power transmission and distribution. Interline power flow controller the interline power flow controller ipfc concept discussed in this paper addresses the problem of compensating a number of transmission lines at a given substation. A new approach to power flow management in transmission systems. The parameters of pim are derived with help of the newtonraphson power flow algorithm. Since the pid controller is linear and its performance in nonlinear system like hvac system is not satisfied. Palakaluri venkatesh assistant professor, department of eee. Interline power flow controller ipfc characterization in power. Facts controllers in power transmission and distribution 10. Introduction the interline power flow controller ipfc is a new member of facts controllers. Article pdf available in ieee transactions on power delivery 143. Neurofuzzy based interline power flow controller for real.
The interline power flow controller ipfc 43 is a upfcderived device with the objective of controlling power flow between lines instead of one line as in the upfc. However, the inverters can transfer real power between them via their common dc terminal. A two converter ipfc simulation of interline power flow controller in power transmission system mr. The main objective of this paper is detailed study about a new real and reactive power coordination controller for a interline power flow. Interline power flow controller ipfc is one of the versatile facts device. State estimation of power system with interline power flow. In general, a sample test power system without facts devices has generated more reactive. Robust interline power flow controller with wind power source.
Conventionally, series capacitive compensation fixed, thyristorcontrolled or sssc based is employed to. In addition to these series converters, it may also include a shunt converter which is connected between a transmission line and the ground. Unified power flow controller upfc have been successfully applied in damping power system oscillations 711. Modeling generalized interline powerflow controller gipfc. Among the facts components, unified power flow controller upfc and interline power flow controller ipfc are the most advanced in facts controllers 4. Controllers in power transmission and distribution. Facts devices such as the unified power flow controller upfc, the interline power flow controller ipfc and the static series synchronous compensator sssc can realize power flow control pfc thanks to their seriesconnected converter. An interline power flow controller ipfc consists of a set of converters that are connected in series with different transmission lines. Simulation of interline power flow controller in power. Power flow management through interline power flow. Power system stability enhancement using interline power. International journal on recent technologies in mechanical.
Power system state estimation with interline power flow. The proposed method is tested on anderson and fouad 9bus test system and the results are presented. Abstract interline power flow controller ipfc is a new concept of facts controller for series compensation with the unique capability of power flow management among multiline of a substation. This study proposes a novel interline dc power flow controller having a fault current limitation capability fclpfc. These integrated energy systems are increasingly replacing the conventional power plants in various sections around the globe. In this paper, an optimal utilization of the integrated solar, wind and conventional power energy systems has been proposed in the presence of an interline power flow controller ipfc. The minimum number of converters connected backtoback is two.
There are various facts controllers and can be classified on the basis of their connection in the. Based on analysis of the traditional multiport interline dc power flow controller midcpfc, this paper presents a switches reduced topology. Dynamic performance of the interline unified power flow. Abstract generalized interline powerflow controller gipfc is one of the voltagesource controller vscbased flexible ac transmission system facts controllers that can independently regulate the powerflow over each transmission line of a multiline system. The interline power flow controller ipfc concept proposed in this paper addresses the problem of compensating a number of transmission lines at a given substation. With this scheme, ipfc has the capability to provide an independently controllable. Pdf a novel interline dc power flow controller idcpfc. Newell power electronics award of the ieee power electronics society, and the first flexible ac transmission system facts award given by the ieee power engineering society in 1999. Interline power flow controller it is common that the interline power flow controller employs a number of dc to ac inverters in order to offer series compensation for each line. A new approach for control of ipfc for power flow management. Pdf analyzing the interline power flow controller ipfc steady. The proposed fuzzy logic controller plays well due to its linguistic nature. The problem of reactive power compensation and flow of power through the lines can be addressed with the help of new generation facts controllers.
It also covers the analysis of how an individual facts controller can modify the power flow and voltage profile in a line. The unified power flow controller a new approach to power transmission control. Along the same lines, extended version of the transmission line ipfc called as an interline unified power. Study of power system performance with interline power flow.
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