Why facts controllers earlier days mechanical circuit breakers like relay, contactors etc are used to control the power flow of the transmission systems. The complete process aimed at system studies and analysis relatedtothe installation of facts projects and the simultaneous need in accordance with facts controller models has been discussed. Contentsfacts devicesbenefits of facts devicestypes of facts devicesintroduction to upfccircuit descriptioncontrol schemesconclusion 3. It is really flexible, 2 hours on saturdays sundays and on thursdaysfridays for each part. Unified power flow control in facts in hindi youtube. Concepts and technology of flexible ac transmission systems. Elango, 1pg student, 3professor, 1,2department of electrical and electronics engineering, k. Pdf interline power flow controller ipfc is one of the latest generations of flexible ac transmission systems facts devices. Abstract the unified power flow controller upfc concept provides a. For the love of physics walter lewin may 16, 2011 duration. Interline power flow controller ipfc steady state operation. Ipfc facts controller is used to reduce the power loss in optimal system operation and improving the voltage profile 2. Any converters within the ipfc can transfer real power to any other and hence real.
Facts flexible ac transmission system presented by. There has been significant progress in the applica tion of facts devices in power systems during the past. This paper presents the ipfc main features and limitations while controlling the power flow. Index terms svc, statcom, sssc, tcsc, tcps, facts, ipfc, pss, upfc.
Comparative analysis of optimization algorithms for solving. Among the facts components, unified power flow controller upfc 2 and interline power flow controller ipfc 3 are the most advanced in facts controllers. Regulator uncertainty, cost, and lengthy delays to transmission line construction are just a few of the barriers that have resulted in the serious deficiency in power transmission capacity that currently prevails in many. Flexible ac transmission systemfacts electronics hub. An advanced facts controller for power flow management in. The special featureof ipfc is not only to perform an indepen. The following facts controllers such as static synchronous compensator statcom, static synchronous series compensator sssc, unified power flow controller upfc, and interline power flow controller ipfc are developed in the second generation of facts controllers.
This solution is not attractive from economical point of view. Modeling of ipfc for power flow control in 3phase line. Application of interline power flow controller ipfc for. This paper investigates the impact of ipfc on the reliability of composite generation and transmission power systems. Pdf 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. International journal of computer applications 0975 8887 volume 67 no. It uses a pair of threephase controllable bridges to produce current that is injected into a transmission line using a series transformer. Applications of facts to power system studies have also been discussed. The inter line power flow controller ipfc 6 is a new concept of the facts controller for series compensation with the.
How facts controllers benefit ac transmission systems. This paper investigates the steady state operation of the interline power flow controller ipfc. Interline power flow controller ipfc the interline power flow controller is a fact device provides compensation in multi transmission line. The interline power flow controller ipfc is one of the latest facts controller used to control power flows of multiple transmission lines. Introduction the facts controllers offer a great opportunity to regulate the transmission of alternating current ac. 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. May 06, 2015 facts controllers the facts controller is defined as a power electronic based system and other static equipment that provide control of one or more ac transmission system parameters. Rangasamy college of technology, tiruchengode, tamil nadu, india abstract. The interline power flow controller ipfc generalized and multifunctional facts controllers understanding facts. A unified power flow controller is an electrical device for providing fastacting reactive power compensation on highvoltage electricity transmission networks. A new approach for control of ipfc for power flow management.
Use of an interline power flow controller model for power. The evolution of power industry in recent years has imposed many. The ieee definition for facts controller is stated as, it is a power electronic based system and other static equipment that provides the control of one or more ac transmission parameters such as voltage, impedance, phase angle and power. Nov, 2015 facts is an acronym for flexible ac transmission system and it is an application of power electronic devices to electrical transmission system. Comparison of the performance of ipfc series series and upfc seriesshunt facts controller in power system article pdf available in international journal of computer applications 672. 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. An ieee 30bus transmission line system is modelled with matlabsimulink software. Facts controllers in power transmission and distribution 10. This has been used for compensating reactive power, capable of control of power flow, enhance the transient stability and damp out the oscillation 5, 11. In this paper a new method for control of ipfc, with the aim of managing the power flow in transmission lines is presented. Facts controllers in power transmission and distribution.
The most recent development in the field of facts controllers is the convertible static compensators csc. Ipfc is one of the latest generation facts controllers to control power flow. This paper is designed to be accompanied by the presentation material. The overall process for system studies and analysis associated with facts installation projects and the need for facts controller models is also discussed. 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. A simple and suitable gupfc controller has been suggested for the deregulated market place to enhance its. Interline power flow controller ipfc advanced solutions in. Conclusion ipfc like other facts controller contribute to the optimal system operation by reducing the power loss and improving the voltage profile. In all the numerical examples of this paper, the ipfc demonstrates its superiority over upfc in efficiency. A mathematical model of the ipfc is presented and the model is used to investigate the flexibility of power flow control, in the presence of operating constraints of the ipfc.
Flexible ac transmission systems facts controllers have been mainly used for solving various power system steady state control problems. Simulation of real and reactive power coordination using csc. Pdf modern facts controllers are being used to control the power through the current power transmission system. Ipfc is a series connected facts device, which is connected in series with tie line of two area power system. Facts, ipfc,vsc,thd 1 introduction interline power flow controller ipfc the rapid development of selfcommutated semiconductor devices, have made it potential to design power electronic materials called exible ac transmission controller fact devices. International journal of pure and applied mathematics. Power system stability improvement using facts devices. Ipfc online classes that happen over the weekend is a big advantage for all working professionals. Pdf comparison of the performance of ipfc seriesseries. Pdf flexible ac transmission systems facts have been proposed in the late 1980s to meet and provide the electrical power system.
Interline power flow controller ipfc is a voltage source convertervsc based facts controller for controlling power in multiline system located at a substation. Abstract index terms svc, statcom, sssc, tcsc, tcps, facts. Modeling and digital simulation of ipfc interline power flow controller and upfc unified power. Specific facts controllers including svc, statcom, tcsc, sssc, upfc, ipfc plus voltage regulators, phase shifters, and special controllers with a detailed comparison of their performance attributes major facts applications used in the united states. Interline power flow controller ipfc for the enhancement of voltage stability and improvement of the transmission system. The interline powerflow controller ipfc is a new and advanced facts controller, which can be used for dynamic compensation and effective powerflow management among transmission corridors.
Facts devices, interline power flow controller ipfc is most versatile facts device, it consists of number o f sssc which are connected in each line which are connected via common dc bus, addresses the problem of compensating a number of transmission lines. It is an ac transmission system that incorporates a power electronic controller and other static controllers to improve the controllability as well as power transfer capability. Each inverter can provide a series reactive compensation, as an sssc, for its own line. The main aim of the ipfc is to verify the power transfer capability between two or more lines and to establish the proposed voltage regulation function.
Design of ipfc to enhance the power system stability and. Tech power system school of engineering gautam buddha university, gr. An ipfc is a vsc based facts controller which uses series compensation. Introduction to upfcthe upfc is a device which can control simultaneously allthree parameters of line power flow such new facts device combines together thefeatures of two old facts devices. This paper presents a comprehensive survey of incorporation of facts controller such as svc, tcsc, sssc, statcom, upfc, and ipfc devices in newton raphson load flow nrfl for power flow control. Performance comparison of pi and fuzzy logic based ipfc on. The csc offers the full flexibility by allowing its converters to be connected in shunt statcom, in series sssc, in shuntseries upfc or in seriesseries interline power flow controller ipfc with two lines. Abstract this paper presents an advanced facts controller for power flow management in transmission system using ipfc. Facts to power system studies have also been discussed.
Ssscthese two devices are two voltage source inverters vsisconnected respectively in shunt with the transmission linethrough. 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. Performance comparison of different facts controllers has been discussed. Control of active and reactive power flow in multiple lines. Transmission systems facts facts ac transmission systems incorporating the power electronicbased to enhance controllability and increase power transfer capability. The block diagram of ipfc controller is shown in figure. Facts about flexible ac transmission systems facts. Nature inspired algorithms are the most powerful algorithms for optimization 3. A systematic procedure for modelling, simulation and optimal tuning of ssscbased controller in a multimachine power system has been studied in.
Controller ipfc is a voltage source convertervsc based facts controller for controlling power in multiline system located at a substation. Study of power system performance with interline power flow. Pdf interline power flow controller ipfc characterization in. An interline power flow controller ipfc is a grouping of series and series converter based facts controller which has the ability of controlling power. Pdf incorporation of facts controllers in newton raphson. Jan 01, 2017 the group of facts controllers employing switching converterbased synchronous voltage sources include the static synchronous compensator statcom, the static synchronous series compensator sscc, the unified power flow controller upfc and the latest, the interline power flow controller ipfc. Index termsflexible ac transmission systems, facts. Finally, an introduction to the basic circuits of several facts controllers is provided with a focus on their system performance characteristics. Performance enhancement of agc under open market scenario. The ipfc is a kind of combined compensators, which combines at least two ssscs via a common dc voltage link. Pdf analyzing the interline power flow controller ipfc steady. Interline power flow controller ipfc is an extension of static synchronous series compensator sssc.985 164 1557 1130 1374 1073 282 1259 100 1059 778 697 1570 1024 432 1530 920 1015 1254 368 701 906 391 637 1226 1140 849 639 671 557