The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
This paper presents a new control strategy for grid integrated PV solar farm so that it can operate as STATCOM, for increasing grid power transfer capacity. Solar plants produce active power during day and are totally inactive in nights. The whole ratings of PV Farm remain inactive during night, which are utilized with the help of voltage and damping control to increase power transfer capacity. The...
Photovoltaic (PV) energy is mainly used for producing large amount of power among different types of renewable energies. The efficiency of power transfer can be improved by modeling and control of Photovoltaic systems in a grid connected network. Photovoltaic (PV) solar farm inverter can be transformed into a static synchronous compensator known as SSC or STATCOM for increasing the limits of power...
The static synchronous compensator (STATCOM) are installed at the medium-voltage level of power system for grid voltage regulation and power factor improvement. The star-connected cascaded multilevel converter is widely for high voltage and high rated power STATCOM application. The voltage balancing control is a fundamental issue for cascaded converter, which can be implemented by negative sequence...
A STATCOM is a term derived for Static Compensators that compensate reactive power and provide voltage support to an ac system. A traditional STATCOM consists of an energy storage device and ac power system both connected on either side of a voltage source converter (VSC), and a control system based on the conventional standard d-q vector control technology. This paper presents an extensive hardware...
Increase in the market share of wind energy in total electricity generation and its impact to power grid has imposed new challenges to the stability of each wind turbine generator (WTG) unit. In the case of power undersupply, the problem on voltage stability and voltage collapse will eventually occur. In this paper, the impact of reactive power control in improving the performance of squirrel cage...
Flexible AC Transmission System (FACTS) devices and Voltage Source Converter (VSC) High Voltage Direct Current (HVDC) systems have fast reactive power control capabilities which can be used to increase power system voltage stability. When located near a Line Commutated Converter (LCC) HVDC converter they can be used to support the performance of the LCC HVDC. This paper shows how well VSC HVDC, Static...
This paper presents a case study of a wind farm connected to a 38kV system at a weak point on the network. It examines reactive power control to resolve the voltage rise issue with increasing generation from the wind farm. The paper considers reactive power control using three methods and compares each method in terms of power losses on the system. The 3 methods are reactive power control from the...
For intermittent power sources like wind and solar, the challenge is to connect and integrate this type of generation while still meeting the required grid stability and reliability, particularly at a low reserve capacity level. This requires viable solutions of electrical energy storage both for distributed and bulk power applications. UK Power Networks has installed a dynamic energy storage system...
Modular Transformer Converter (MTC) is the building block to realize a versatile and transportable transmission controller which can perform several functions including power flow control for renewable resources transmission and transformer back-up for disaster management or life extension purposes. This structure has several advantages in comparison with conventional FACTS controllers. Modularity...
For intermittent power sources like wind and solar, the challenge is to connect and integrate this kind of generation while still meeting the required grid stability and reliability, particularly at a low reserve capacity level. This requires viable solutions of electrical energy storage both for distributed and bulk power applications. UK Power Networks has installed a dynamic energy storage system...
Static synchronous compensator (STATCOM) is a regulating device used in AC transmission systems as a source or a sink of reactive power. The most common use of the STATCOM is in improving the voltage stability of the transmission system. This work suggests a simple and easy to implement PI controller to control the operation of a 12-pulse STATCOM placed at the weak point of Mosul city 132 kV ring...
Despite reactive power control capability of the modern wind turbine generator units have almost reached the capability of the traditional generator units the applied wind farm configuration can result insufficient reactive power capability in the point of common coupling. For instance, when utilizing AC grid connection, long electrical distance from the main grid or possible high charging current...
Dynamic model of a wind generation system with a supercapacitor based energy storage system is developed. The supercapacitor system has been interfaced with the wind generation system through a STATCOM. Decoupled P-Q control of STATCOM is implemented by introducing suitable transformation on its injected current. The controller parameters are obtained through a search based optimization technique...
Power flow control, in an existing long transmission line, plays a vital role in Power System area. This paper employs the shunt connected compensation (STATCOM) based FACTS device for the control of voltage and the power flow in long distance transmission line. The proposed device is used in different locations such as sending end of the transmission line, middle and receiving end of the transmission...
This paper researched the necessity and feasibility for installing dynamic reactive power compensation device STATCOM in wind energy collection substation with the aim of illuminating the validity of the compensator and selecting of the compensation devices with the integration of the large scale wind farms. According to simulation results, this paper checking its function for improving electrical...
PV solar farms produce power during the day and are completely idle in the nights. This paper presents a novel utilization of a PV solar plant as STATCOM in the night for load reactive power compensation and voltage control. This STATCOM functionality will also be available to a substantial degree during the daytime with the inverter capacity remaining after real power production. The local distribution...
This paper presents neural networks based approach for estimation of the control and operating parameters of Statcom used for improving voltage profile in a power system, which is emerging as a major problem in the day-to-day operation of stressed power systems. Statcom is an important voltage source converter FACTS device, which can be used in voltage control mode or reactive power injection mode...
This paper presents a Doubly Fed Induction Generator (DFIG) with an intelligent active and reactive power control to support the operation in weak networks. The impact of a 850 kW DFIG based Wind Turbine on the voltage profile of a sample distribution feeder is analyzed. Then, the DFIG power capability is designed to support the grid voltage with reactive power compensation. The grid-side converter...
The increasing demand of electrical power and continuous depreciation of conventional energy resources like oil, gas and coal, have facilitated the researchers to think over distributed electricity generation and consumption from the renewable sources like mini/micro hydro, biogas, wind etc., Three-phase self excited induction generator (SEIG) seems to be a prospective player for generation of low...
The STATCOM is shunt connected devices of Flexible AC Transmission Systems (FACTS) family using the principles of power electronics. A new multilevel voltage-source inverter with separate dc sources is proposed for high-voltage, high-power applications. This paper discuss about implementation of VSC by using cascade H-bridge for reactive power compensation of transmission line. Conventional control...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.