A novel online fuzzy control method of static var compensation for an effective reactive power control of transmission lines

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The Flexible AC Transmission System (FACTS) technology is a promising technology to achieve complete deregulation of Power System i.e. Generation, Transmission and Distribution as the complete individual units. FACTS is based on power electronic devices, used to enhance the existing transmission capabilities in order to make the transmission system flexible and independent in operation. The loading capability of transmission system can also be enhanced nearer to its thermal limit without affecting the stability. Complete closed-loop smooth control of reactive power can be achieved using shunt connected FACTS devices. Static VAR Compensator (SVC) is one of the shunt connected FACTS devices, which can be utilized for the purpose of reactive power compensation. As the Intelligent FACTS devices make them adaptable, it is emerging as the present state of the art technology. This paper presents the design and simulation of the Fuzzy logic control to vary firing angle of SVC in order to achieve better, smooth and adaptive control of reactive power in transmission systems. The design, modeling and simulations are carried out for the λ/8 Transmission line by placing the compensation at the receiving end (load end) and the results obtained demonstrates the effectiveness of the proposed method.

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ELECTRICAL PROJECTS USING MATLAB/SIMULINK
Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in
0-9347143789/9949240245
A Novel Online Fuzzy Control Method of Static VAR Compensation
for an Effective Reactive Power Control of Transmission Lines
ABSTRACT:
The Flexible AC Transmission System (FACTS) technology is a promising technology to
achieve complete deregulation of Power System i.e. Generation, Transmission and
Distribution as the complete individual units. FACTS is based on power electronic devices,
used to enhance the existing transmission capabilities in order to make the transmission
system flexible and independent in operation. The loading capability of transmission system
can also be enhanced nearer to its thermal limit without affecting the stability. Complete
closed-loop smooth control of reactive power can be achieved using shunt connected FACTS
devices. Static VAR Compensator (SVC) is one of the shunt connected FACTS devices,
which can be utilized for the purpose of reactive power compensation. As the Intelligent
FACTS devices make them adaptable, it is emerging as the present state of the art technology.
This paper presents the design and simulation of the Fuzzy logic control to vary firing angle of
SVC in order to achieve better, smooth and adaptive control of reactive power in transmission
systems. The design, modeling and simulations are carried out for the λ/8 Transmission line by
placing the compensation at the receiving end (load end) and the results obtained demonstrates
the effectiveness of the proposed method.
KEYWORDS:
For Simulation Results of the project Contact Us
Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in
0-9347143789/9949240245
1. Fuzzy Logic
2. FACTS and SVC
SOFTWARE: MATLAB/SIMULINK

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Design and Control of Wind integrated Shunt Active Power Filter to Improve Po...

Asoka Technologies

In this paper, a simplified space vector pulse width modulation (SVPWM) method has been developed for three phase three-level voltage source inverter fed to direct torque controlled (DTC) induction motor drive. The space vector diagram of three-level inverter is simplified into two-level inverter. So the selection of switching sequences is done as conventional two-level SVPWM method.Where in conventional direct torque control (CDTC), the stator flux and torque are directly controlled by the selection of optimal switching modes. The selection is made to restrict the flux and torque errors in corresponding hysteresis bands. In spite of its fast torque response, it has more flux, torque and current ripples in steady state. To overcome the ripples in steady state, a space vector based pulse width modulation (SVPWM) methodology is proposed in this paper. The proposed SVPWM method reduces the computational burden and reduces the total harmonic distortion compared with 2-level one and the conventional one also. To strengthen the voice simulation is carried out and the corresponding results are presented.

Simplified svpwm algorithm for neutral point clamped 3 level inverter fed dtc...

Asoka Technologies

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