ENGINEERING RESEARCH PAPERS

unified power flow controller research papers




Unified Power Flow Controller to Control Reactive Power and Voltage for Power Stations in India by Implementing Fuzzy Logic Controller
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ABSTRACT A Unified Power Flow Controller (UPFC) is an electrical device for providing fast
acting reactive power compensation on high-voltage electricity transmission networks. The
UPFC is a combination of a Static Synchronous Compensator (STATCOM) and a Static
Designer of Unified Power Flow Controller

This paper introduced singular value decomposition (SVD) elementary theory, Proposed
one kind of Unified Power Flow Controller (UPFC) based on SVD, reduces or eliminates
active and tendency interaction between the idle current. With the MATLAB simulation of

Modelling and Control Design of Unified Power Flow Controller for Various Control Strategies
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ABSTRACT Unified Power Flow Controller (UPFC) is used to control the power flow in the
transmission systems by controlling the impedance, voltage magnitude and phase angle.
This controller offers advantages in terms of static and dynamic operation of the power

Enhancement of Voltage Profile and Minimization of Transmission Line Losses Using Unified Power Flow Controller
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ABSTRACT Loss minimization in power system is an important research issue. Transmission
line losses in a power system can be minimized by means of reactive power compensation.
After the establishment of power markets with transmission open access, the significance

Switching Level Modeling and Operation of Unified Power Flow Controller
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ABSTRACT This proposed work aims at forming a switching level modeling of Unified Power
Flow Controller (UPFC) and analyzing its operation. The switching level modeling of UPFC
is carried out using high power electronic devices such as IGBT based six pulse shunt and

Robust and Intelligent Control Methods to Improve the Performance of a Unified Power Flow Controller
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ABSTRACT The important factor disturbing the modern power systems today is load flow
control. The Unified Power Flow Controller (UPFC) is an effective way for controlling the
power flow and can provide damping capability during transient conditions. The UPFC is

Analysis of Unified Power Flow Controller (UPFC) Parameters on Power Flow in PowerSystem
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ABSTRACT The encouragement to the construction of HV lines, the amount of power
transmission/km on HV line and the amount of power transaction as seen from economic
side is much responsible for concern towards congestion in power system. The solution is

A CHS based PID controller for unified power flow controller
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ABSTRACT This paper presents a method for designing of proportional-integral-derivative (PID)
controller based on unified power flow controller (UPFC) using chaotic harmony search
algorithm (CHS) for damping of low frequency oscillations (LFO) in a power system. The

Assessment of Optimal Location of Unified Power Flow Controller Considering Steady-State Voltage Stability
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ABSTRACT In this paper, UPFC is modeled as two reactive power injections and a bypass
circuit of active power in parallel with connecting series transformer of the UPFC. UPFC has
three parameters, which can be controlled within the range of inverter limited capacity.

Adaptive particle swarm optimisation of unified power flow controller for synchronous generator stabilisation
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The real and reactive power flow in a transmission line can be instantaneously controlled by
a pair of back-to-back power electronic converters, called a Unified Power Flow Controller
(UPFC). This paper presents a novel optimal PI controller for UPFC to enhance the

Optimal Location Of Unified Power Flow Controller Under Network Contingencies
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ABSTRACT With the increase loading of transmission lines, the voltage stability/security
assessment has become a very critical issue for most of the power system planners and
operators. To maintain security, it is desirable to estimate the effect of contingencies and

Control Setting of Unified Power Flow Controller through Load Flow Calculation
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ABSTRACT Controlling power flow in modern power systems can be made more flexible by
the use of recent developments in power electronic and computing control technology. The
Unified Power Flow Controller (UPFC) provides a promising means to control power flow

Unified Power Flow Controller Design based on Shuffled Frog Leaping Algorithm
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ABSTRACT This paper presents the application of Unified Power Flow Controller (UPFC) to
enhance damping of Low Frequency Oscillations (LFO) at a Single-Machine Infinite-Bus
(SMIB) power system installed with UPFC. Since UPFC is considered to mitigate LFO,

Simulation of a three-phase multilevel unified power flow controller UPFC
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ABSTRACT This work deals with the study and simulation of Unified Power Flow Control
(UPFC) at its normal and abnormal conditions. The systems are modeled and simulated
using MATLAB software. Shunt inverter or Static Compensator (STATCOM) is modeled as

Power system stability enhancement using unified power flow controller
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ABSTRACT Problem statement: The enhancement of transient stability of the power system is
one of the most challenging research areas in power engineer. Approach: This study
presents the method to enhance transient stability of power system by Unified Power Flow

Dynamic Stability Enhancement of a Multi Machine Electric Power System Using Unified Power Flow Controller
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ABSTRACT This study presents the application of Unified Power Flow Controller (UPFC) to
improvement dynamic stability of a multi-machine electric power system installed with UPFC.
Since UPFC is considered to mitigate Low Frequency Oscillations (LFO) and stability

Investigation to solve the congestion problem of transmission lines via unified power flow controller
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H. IRANMANESH1, HR SABOHI2 1, 2Islamic Azad University, Jiroft Branch, Jiroft, Iran
Iranmanesh_444@ yahoo. com, h_sabouhi@ yahoo. comABSTRACT Power systems may not
capable of utilizing full transmission capacity. Restructuring of electricity industry produces

Applying Imperialist Competitive Algorithm for Optimal Placement of Unified Power Flow Controller in Power System
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ABSTRACT This paper presents a Imperialist Competitive Algorithm (ICA) to seek the optimal
number and location of FACTS devices in a power system. Unified Power Flow Controller
(UPFC) has great flexibility that can control the active and reactive power flow and bus

Transient stability improvement of SMIB with unified power flow controller
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ABSTRACT The focus of this paper is on a FACTS device known as the Unified Power Flow
Controller (UPFC), which can provide simultaneous control of basic power system
parameters like voltage, impedance and phase angle. In this research work, two

Optimal Placement of Unified Power Flow Controller in Power System Using Imperialist Competitive Algorithm
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ABSTRACT This paper presents a Imperialist Competitive Algorithm (ICA) to seek the optimal
number and location of FACTS devices in a power system. Unified Power Flow Controller
(UPFC) has great flexibility that can control the active and reactive power flow and bus
ABSTRACT This paper presents an approach to find and choose the optimal location of
Unified Power Flow Controller (UPFC) based on the sensitivity of the total system active
power loss with respect to the control variables of the Unified Power Flow Controller (

Optimal Location of Unified Power Flow Controller (UPFC) in Nigerian Grid System
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ABSTRACT This study presents an approach to find and choose the optimal location of Unified
Power Flow Controller (UPFC) based on the sensitivity of the total system active power loss
with respect to the control variables of the UnifiedPower Flow Controller (UPFC). The

Related

request paper- Unified Power Quality Conditioner (UPQC) with Voltage Dips and Over-voltages Compensation Capability

Unified power quality conditioner (UPQC) with voltage dips and over-voltages compensation capability
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Abstract Unified power quality conditioners (UPQCs) allow the mitigation of voltage and current disturbances that could affect sensitive electrical loads while compensating the load reactive power. Diverse control techniques have been proposed to evaluate the