Design, simulation and implementation of a UPFC (unified power flow controller) for transmission line model

Priyankara, T.P.G.T.A.; Fernando, M.J.L.R.; Sandeepa, I.A.K.; Bandara, Nishantha; Hettiarachchi, H.W.D.; Hemapala, K.T.M.U.

doi:10.1109/ipact.2017.8245053

Cited by 7 publications

(2 citation statements)

References 2 publications

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“…The power flow in specific transmission line can be also controlled by using UPFC [1]. The UPFC have a positive impact in enhancing the power quality and system performance [2] and [3]. An important issue in the design of controllers for such a device is robustness, i.e., the controller should achieve the desired damping over a wide range of system operating conditions [4].…”

Section: Introductionmentioning

confidence: 99%

Neural Network Model Predictive Control (NNMPC) Design for UPFC

Al-Mawsawi

Haider

.Alfaris

2020

Wseas Transactions on Computers

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Neural Network Model Predictive Control (NNMPC) is like almost like the model predictive control but the used inboard plant is designed based on using the concept of the artificial neural network to predict the behavior of the plant. The predicted values are fed to the optimizer in order to obtain better control variables. This type of controller will be used instead of the conventional controller in the most versatile FACTS devices, which is the Unified Power Flow Controller (UPFC). UPFC has the capability of controlling the transmission line parameters and consequently the flow of the active and reactive power in the transmission line. So, this type of adaptive controller, which is based on Artificial Neural Network (ANN) concept, will be implemented in UPFC, and will be investigated to ensure its robustness, effectiveness and the capability to accommodate any sudden load change in the system of Single Machine to Infinite Bus (SMIB). In addition, the dynamic performance of NNMPC will be compared with another type of adaptive controller scheme called Model Productive Controller (MPC).

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Section: Introductionmentioning

confidence: 99%

Neural Network Model Predictive Control (NNMPC) Design for UPFC

Al-Mawsawi

Haider

.Alfaris

2020

Wseas Transactions on Computers

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“…Currently a lot of papers present the UPFC in a 500-kV configuration. According to [16], the system operating voltage influences the power circuit design of the UPFC. Hence configuring the device with a different operating voltage opens a new area of research.…”

Section: Introductionmentioning

confidence: 99%

Utilizing Unified Power Flow Controller for Stability Improvement of the Electric Power Transmission System of Ghana

Asihene

Effah

Normanyo

2020

JNTE

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Interconnecting power transmission systems provide reliability of electric power supply. The security of the system is however questioned when a disturbance in any part of the interconnected system causes instability in the entire network. Unified Power Flow Controller (UPFC), which is a member of the flexible alternating current transmission system (FACTS) family, has the capability of controlling active and reactive power flow in a transmission line thereby improving the voltage stability of the system especially at the 500 kV configuration level. The performance of a 161-kV UPFC modelled in SimPowerSystems is tested on Ghana's power transmission network. The optimal placement of the UPFC is done using fast voltage stability index (FVSI) and maximum loadability assessment (MLA). The results show that the device improved the connecting bus voltage from 0.88 p.u. to 0.98 p.u. Active power loss in the network was also reduced from 13.40 MW to 10.39 MW when the UPFC was in circuit.

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