Robust STATCOM voltage controller design using loop-shaping technique

Rahim, M. A.; Kandlawala, M. F.

doi:10.1016/s0378-7796(03)00153-6

Cited by 51 publications

(24 citation statements)

References 14 publications

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“…The performance of such controllers can be improved by adaptively updating their parameters. Although using the robust control methods [16], the uncertainties are directly introduced to the synthesis. Due to the large model order of power systems, the order resulting controller will be very large in general.…”

Section: Introductionmentioning

confidence: 99%

HBMO Based Output Feedback Damping Controller for STATCOM

2014

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Original scientific paperThe aim of this paper is to investigate a novel approach for output feedback damping controller design of the static synchronous compensator (STATCOM) in order to enhance the damping of power system low frequency oscillations (LFO). The design of output feedback controller is considered as an optimization problem according to the time domain-based objective function solved by a honey bee mating optimization (HBMO) algorithm that has a strong ability to find the most optimistic results. To validate the accuracy of results a comparison with genetic algorithm (GA) has been made. The effectiveness of the proposed controller are tested and demonstrated through eigenvalue analysis and nonlinear time-domain simulation studies over a wide range of loading conditions. The simulation study shows that the designed controller by HBMO performs better than GA in finding the solution. Key words: STATCOM, Honey Bee Mating Optimization, Damping Controller, Low Frequency OscillationsRegulator prigušenja za statički sinkroni kompenzator temeljen na HBM optimizaciji. U ovome radu istražene su metode za sintezu regulatora prigušenja za statički sinkroni kompenzator (STATCOM) u svrhu povećanja prigušenja nisko frekvencijskih oscilacija u energetskim sustavima. Sinteza regulatora je razmatrana kao optimizacijski problem u vremenskoj domeni koji je riješen pomoću HBM algoritma optimizacije (eng. Honey bee mating) koji ima svojstvo pronalaska najoptimističnijeg rezultata. U svrhu provjere rezultata napravljena je usporedba s rješenjem koje daje genetski algoritam. Efikasnost predloženog regulatora testirana je uz pomoć analize svojstvenih vrijednosti i nelinearnih simulacija u vremenskoj domeni za različite uvjete. Simulacijski rezultati pokazuju da se korištenjem regulatora s HBM optimizacijom postižu bolji rezultati nego korištenjem genetskog algoritma.

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Section: Introductionmentioning

confidence: 99%

HBMO Based Output Feedback Damping Controller for STATCOM

2014

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“…The performance of such controllers can further be improved by adaptively updating their parameters. Also, although using the robust control methods [19], the uncertainties are directly introduced to the synthesis, but due to the large model order of power systems the order resulting controller will be very large in general, which is not feasible because of the computational economical difficulties in implementing. It has been observed that utilizing a feedback supplementary control, in addition to the FACTS device primary control, can considerably improve system damping and can also improve system voltage profile, which is advantageous over PSSs [16,20].…”

Section: Introductionmentioning

confidence: 99%

Comparison of Honey Bee Mating Optimization and Genetic Algorithm for Coordinated Design of Pss and Statcom Based on Damping of Power System Oscillation

Safari¹,

Ahmadian²,

Golkar³

2013

Journal of Electrical Engineering

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Recently, honey bee mating optimization (HBMO) technique and genetic algorithms (GA) have attracted considerable attention among various modern heuristic optimization techniques. This paper presents the application and performance comparison of HBMO and GA optimization techniques, for coordinated design of STATCOM and PSS. The design objective is to enhance damping of the low frequency oscillations. The design problem of the controller is formulated as an optimization problem and both HBMO and GA optimization techniques are employed to search for optimal controller parameters. The performance of both optimization techniques for damping low frequency oscillations are tested and demonstrated through nonlinear time-domain simulation and some performance indices studies to different disturbances over a wide range of loading conditions. The results show that the designed controller by HBMO performs better than GA in finding the solution. Moreover, the system performance analysis under different operating conditions show that the ϕ based controller is superior to the C based controller.

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“…Therefore, the parameters of the STATCOM are considered as the main control means for voltage regulation during disturbances. In the literature, there are a few results from attempts to reduce oscillations in power systems using STATCOM as the control input [7][8][9]. These papers proposed PID control schemes to reduce the oscillation [7,9].…”

Section: Introductionmentioning

confidence: 99%

Innovative Model-Based PID Control Design for Bus Voltage Regulation with STATCOM in Multi-Machine Power Systems

Kim¹,

Lee²,

Song³

et al. 2013

Journal of Institute of Control, Robotics and Systems

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Abstract:The complexity and severe nonlinearity of multi-machine power systems make it difficult to design a control input for voltage regulation using modern control theory. This paper presents a model-based PID control scheme for the regulation of the bus voltage to a desired value. To this end, a fourth-order linear system is constructed using input and output data obtained using the TSAT (Transient Security Assessment Tool); the input is assumed to be applied to the grid through the STATCOM (STATic synchronous COMpensator) and the output from the grid is a bus voltage. On the basis of the model, it is identified as to which open-loop poles of the system make the response to a step input oscillatory. To reduce this oscillatory response effectively, a model-based PID control is designed in such a way that the oscillatory poles are no longer problematic in the closed loop. Simulation results show that the proposed PID control dampens the response effectively.

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Robust STATCOM voltage controller design using loop-shaping technique

Cited by 51 publications

References 14 publications

HBMO Based Output Feedback Damping Controller for STATCOM

HBMO Based Output Feedback Damping Controller for STATCOM

Comparison of Honey Bee Mating Optimization and Genetic Algorithm for Coordinated Design of Pss and Statcom Based on Damping of Power System Oscillation

Innovative Model-Based PID Control Design for Bus Voltage Regulation with STATCOM in Multi-Machine Power Systems

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