Output is adjusted to exchange capacitive or inductive current. The significance of the interline power flow controller ipfc and ipfc in combination with superconducting magnetic energy storage smes in the considered system is investigated under. An interline power flow controller ipfc, shown in fig. This paper is concerned about the state estimation of. Powerflow control ability of meshed highvoltage directcurrent grids can be improved by inserting a dc powerflow controller into the grids. Two combined sssc with a common dc link leads to an interline power flow controller ipfc. Conventionally, series capacitive compensation fixed, thyristorcontrolled or sssc based. In its general form the interline power flow controller employs a. Power flow management through interline power flow controller indra prakash mishra1, narendra kumar singh2 1eed, u. Power system stability enhancement using interline power flow. Analyzing the effect of different types of interline power. Abstractthe controlled power flow in electric power systems is one of the essential factors affecting the overall development of modern power systems. Power flow management through interline power flow controller.
Performance of coordinated interline power flow controller. Basic control of interline power flow controller request pdf. Fuzzy logic controller based interline power flow controller 3653 link capacitor, make it complex 4. So the question may arise in your mind as to why am i writing another blog post on merge. Combined seriesshunt controllers are either controlled in a coordinated manner as in fig. Pdf design of an interline power flow controller researchgate. Minimizing the transmission line loss by using interline. 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. Comparison of the performance of distributed power flow. 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 17 fig. Modeling generalized interline powerflow controller gipfc using. Robust interline power flow controller with wind power. Study of power system performance with interline power.
Analysis on control solution of interline power flow controller. Within the general framework of the csc, two innovative facts controllers, the interline power flow controller ipfc combining at least two. Since the pid controller is linear and its performance in nonlinear system like hvac system is not satisfied. 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. Umfied power flow controller upfc and interline power flow controller ipfc narain g. The interline power flow controller ipfc, with its exclusive capability of series compensation, is a powerful device which can provide the power flow control. Optimal location of interline power flow controller for. Merge sharepoint documents using microsoft flow or. Thyristor controlled reactor tcr parallelconnected static var generator or absorber. Ipfc and the design of the power flow control for the. Pdf a novel interline dc power flow controller idcpfc. 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.
Performance analysis of interline power flow controllers. The interline power flow controller ipfc, with its exclusive capability of series compensation, is a powerful device which can provide the power flow control of multiple transmission lines. For simplicity, this paper deals with ipfc combining only two ssscs, as shown in fig. It is connected between two different transmission lines, this connection of the upfc will be called an interline upfc iupfc. The problem of reactive power compensation and flow of power through the lines can be addressed. Fuzzy logic controller based interline power flow controller.
Robust modeling of the interline power flow controller and. Power quality mainly depends on the compensation of reactive power and level of voltages. The ongoing liberalization process causes an increase in international power flows, putting substantial strain on the transmission grid. 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. Comparisons between unified power flow controller upfc and gipfc are also included. Pdf simulation and state estimation of power system with. Distributed power flow controller and distributed interline power flow controller where used for power quality improvement. Modeling generalized interline powerflow controller gipfc. Power system state estimation with interline power flow.
In general, ipfc is used in multiple transmission lines of a power system network. The schematic diagram of ipfc is illustrated in figure. For unified controller, there can be a real power exchange between the series and shunt controllers via the dc power. The controlled power flow in electric power systems is one of the essential factors affecting the overall development of modern power systems. One of the latest generation flexible ac transmission system facts controllers is interline power flow controllers ipfc. 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 the flexible ac transmission systems facts technique, the power flow in the interconnected power systems can be controlled flexibly. By joining the one machine vastbus proportional with various. Hs mic college of technology, kanchikacherla, ap, india. The user selects which gas is flowing, using the front panel switches, and the flo controller will automatically adjust the display and output signal accordingly. Maintain or control specific parameters of the electrical power. An interline power flow controller ipfc is a vscbased facts controller for series compensation with the unique capability of power flow management among multilines of a substation.
Interline and multiline power flow controller ipfc is a converterbased facts controller for series compensation with capability of controlling power flow among multilines within the same corridor of. In particular, the emphasis is on seriesconnected vsc into transmission lines, known as static synchronous series compensator sssc and interline power flow controller ipfc. An interline power flow controller ipfc consists of a set of converters that are connected in series with different transmission lines. Use of an interline power flow controller model for power flow analysis. Simulation of controller configurations for static. The interline power flow controller ipfc is an extension of the upfc concept to the economic control and optimization of multiline power transmission systems. Simulation of interline power flow controller in power. A unified power flow controller upfc is an electrical device for providing fastacting reactive power compensation on highvoltage electricity transmission networks. The dpfc is derived from the unified power flow controller upfc. Interline power flow controller ipfc is a novel facts device with an exceptional ability to control power flow among multiline transmission system unlike the other devices in which they are used. Facts controllers in power transmission and distribution.
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. Enhancement of power quality and mitigation of harmonics by. However, the optimal placement of ipfc in the transmission line is a major problem. Use of an interline power flow controller model for power.
Pdf the interline power flow controller ipfc proposed is a new concept for the compensation and effective power flow management of. Modeling of ipfc for power flow control in 3phase line. The proposed controller is expected to realise overall control of the internal 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.
Each inverter can provide a series reactive compensation, as an sssc, for its own line. This paper investigates the steady state operation of the interline power flow controller ipfc. Analysis of ac transmission system using interline power. These are able to control independently the throughput active and reactive powers. There are various facts controllers and can be classified on the basis of their connection in the. Amir ghorbani, seyed yaser ebrahimi, morteza ghorbani. Optimal power flow with interline power flow controller using harmony search algorithm 2 v k v j v i fig. The aim of this paper is investigation of the effect of location of ipfc on profile of voltage and real and reactive power flow in transmission lines in power.
The interline power flow controller ipfc is a voltagesourceconverter vscbased flexible ac transmission system facts controller which can inject a voltage with controllable magnitude and phase angle at the linefrequency thereby providing compensation among multiple transmission lines. A novel interline dc power flow controller idcpfc for meshed hvdc grids article pdf available in ieee transactions on power delivery 314. 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. The upfc and gupfc is a multifunctional facts controller with the primary function of power flow control plus possible secondary duties of voltage support, transient stability improvement and oscillation damping etc. Facts controllers in power transmission and distribution 10. The concept of combining two or more converters can be. 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. Multiline power flow using interline power flow controller ipfc in power transmission systems. The problem of reactive power compensation and flow of power through the lines can be addressed with the help of new generation facts controllers.
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. Unified means that dc terminal of controller converters are connected together for real power exchange the objective of introducing this controller. Upadhyay2 1 pg student 2 associate professor 1, 2 electrical engineering department 1, 2 s. 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. Pdf this paper presents the analysis of characteristics of a series connected. Power flow control in a transmission line using unified power flow controller 2. It is a combination of series controllers or a unified controller. Power flow control and fault current limitation are two major problems that require an urgent solution in a direct current dc grid. In general it is connected in multiple power transmission line of a power. Unified power flow controller upfc have been successfully applied in damping power system oscillations 711. Interline power flow controller ipfc is the latest generation of facts controllers 12. Performance of a fuzzy logic based avr in smib, mmib. The unified power flow controller upfc is a more complete transmission line compensator 42, shown as a simplified block diagram in fig. This device can be understood as a statcom and an sssc with a common dc link.
A unified power flow controller is an electrical device for providing fastacting reactive power compensation on highvoltage electricity transmission networks. In this paper, direct modeling of the practical series orand shunt operating inequality constraints of the ipfc and the gupfc in power flow calculations are presented. 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. Dec 16, 2005 the interline power flow controller ipfc and the generalized unified power flow controller gupfc are two innovative configurations of the convertible static compensator csc of facts. A mathematical model of the ipfc is presented and the model is used to investigate the flexibility of power flow control. This is especially a problem when unidentified power flows or loop flows. Dual damping controller using interline power flow controller. Power flow analysis of a power system in the presence of. Interline power flow controller ipfc steady state operation abstract. The interline power flow controller ipfc is one of the latest generation flexible ac transmission systems facts controller used to control power flows of multiple transmission lines. In fact, excessive shortcircuit levels constitute a widespread problem.
However, the inverters can transfer real power between them via their common dc terminal. Single line diagram of an interline power flow controller with two series vscs and one parallel vsc. In one of my previous blog post, i created a flow to merge multiple documents into single pdf. Tech, phd, dept of electrical and electronics engineering, svu college, andhra pradesh, india abstract in this paper it shows the ability of interline power flow controllers ipfcs to reduce. Interphase power controllers complementing the family of. Power flow controller and distributed interline power flow controller facts controllers in power system.
The new series series facts device interline power flow controller ipfc is a voltage source converter based flexible ac transmission system facts controller for series compensation with the unique capability of power flow. Facts technology improves the power system stability by providing the necessary. Combining these two figures and converting them to pq representation will result in the same curve. Robust interline power flow controller with wind power source.
Features and options model 80sd mass flo controller model 80s mass flo controller. It uses a pair of threephase controllable bridges to produce current that is injected into a transmission line using a series transformer. Dynamic simulation of the generalized unified power flow. This study proposes a novel interline dc power flow controller having a fault current limitation capability fclpfc. This thesis deals with flexible ac transmission systems facts based on voltage source converters vsc.
Jun 26, 2012 this paper proposes a new connection for a unified power flow controller upfc to improve the power flow control of one transmission line in a power system and it regulates bus voltage in another transmission line. The folks at muhimbi have a service that allows you to convert microsoft word files to pdf, add watermarks, merge documents, etc. Flow controller, interline powerflow controller, separatedinterlinepower flowcontroller. The ipfc interline power flow controller and upfc unified power flow control among the facts devices aimed to the power flow control. The main objective of this paper is detailed study about a new real and reactive power coordination controller for a interline power flow. Coordinated performance of interline power flow controller. The energy storing capacity of the dc capacitor is generally small, and so the shunt converter has to draw drain or generate active power. Study of power system performance with interline power flow. 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.
Performance analysis of interline power flow controllers for ieee30 bus with nr method indresh kalbhor, shreyansh jain. Modeling generalized interline power flow controller gipfc using 48pulse voltage source converters. This article analyzed the performance of coordinated interline power flow controller ipfc and power system stabilizer pss in the combined two. Power system stability enhancement using interline power flow controller r. In this paper, an interline power flow controller ipfc is used for controlling multi transmission lines. 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. Modelling of the interline power flow controller and the.
In an ipfc, the exchanged real power can flow bidirectionally between ac lines which may be of different frequencies, thus making the ipfc an asynchronous tie. Robust interline power flow controller with wind power source using phaseplane uzzyf logic control 25 fig. It is the combination of two or more ssscs which are coupled via a common dc link. International journal of power energy systems engineering 2010. Power flow control in a transmission line using unified power. Pdf a novel interline dc power flow controller idcpfc for. The proposed fuzzy logic controller plays well due to its linguistic nature.
In this paper, the use of the ipfc based controller. Power flow management through interline power flow. International journal on recent technologies in mechanical. Prabhakar department of electrical and electronics engineering sri venkateswara college of engineering, sriperumbudur. Power flow control using interline power flow controller. Minimizing the transmission line loss by using interline power flow controller v. Conventionally, series capacitive compensation fixed, thyristorcontrolled or sssc based is employed to. A two converter ipfc simulation of interline power flow controller in power transmission system mr. Dynamic performance of the interline unified power flow. Distributed power flow controller is achieved the converters and by applying dfacts concept to three phase series converter in unified power flow controller. Ramana4 1department of electrical and electronics engineering, dvr and dr.
In its general form, the ipfc employs a number of inverters with a common dc link, each to provide series compensation for a. As a new concept for the compensation and effective power flow. Based on the study of existing dc powerflow controllers, this paper proposes a novel interline dc powerflow controller. 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. Among the facts components, unified power flow controller upfc and interline power flow controller ipfc are the most advanced in facts controllers 4. The interline power flow controller ipfc 43 is a upfcderived device with the. The interline power flow control ipfc is the flexible ac transmission system controller facts came into accountability to control the flow of power in multiple line transmission system. Ipfc is one of the latest generation facts controllers to control power flow. Pdf power flow management through interline power flow.
Simulation of distributed interline power flow controller. The dpfc distribute power flow controller modified from upfc for increasing system reliability and reducing costs. Neurofuzzy based interline power flow controller for real. Pdf use of an interline power flow controller model for. The interline power flow controller ipfc is one of the latest generation flexible ac. Facts controller, fuzzy logic controller, interline power flow controller, reactive power compensation rpc, voltage stability corresponding author. Application of interline power flow controller ipfc for.
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