Cascaded Multilevel Converter-Based Transmission STATCOM: System Design Methodology and Development of a 12 kV ±12 MVAr Power Stage

Gultekin, B.; Ermiş, M.

doi:10.1109/tpel.2013.2238642

Cited by 184 publications

(57 citation statements)

References 52 publications

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“…Theoretically, X P-C MERS can be regulated from 0 to infinity using equation (8). However, power quality severely declines that the range of control parameters V C-min or α becomes limited, as revealed in Fig.…”

Section: Shortcomings To Be Addressedmentioning

confidence: 99%

“…However, this continuous reactive power controller always suffers from high frequency losses [6] and control method [7]. Some cascaded H-bridge STATCOMs exhibit a complex circuit structure and require additional current filters [8]. An emerging SVC called the MERS, which is used to supply continuous capacitive reactive power, was proposed about a decade ago.…”

Section: Introductionmentioning

confidence: 99%

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Parallel-Connected Magnetic Energy Recovery Switch Used as a Continuous Reactive Power Controller

Wei¹,

Fang²,

Kang³

et al. 2016

Journal of Power Electronics

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Power quality promotion has received increasing attention because of the wide use of semiconductor devices in recent decades. Reactive power regulation is crucial to ensuring the stable operation of power systems. In this study, a continuous reactive power controller, which is referred to as a parallel-connected magnetic energy recovery switch (MERS), is developed to regulate voltage or power factor in power grids. First, the operating principle is introduced, and a mathematical model is built. Second, a new control method for restraining current harmonics and the peak voltages of capacitors is presented. Using the proposed method, the MERS shows a wide range in terms of reactive power compensation. Finally, the performance of the proposed controller is demonstrated through computer simulations and experiments. Unlike STATCOMs, the proposed controller entails low losses, adopts a small dc capacitor, and offers ease of use.

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Section: Shortcomings To Be Addressedmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Parallel-Connected Magnetic Energy Recovery Switch Used as a Continuous Reactive Power Controller

Wei¹,

Fang²,

Kang³

et al. 2016

Journal of Power Electronics

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“…The most widely used control technique is proportion integration (PI) controllers [4][5][6]. PI controllers have been designed to regulate the ac system voltage and the dc capacitor voltage based on decoupled control of d-q axis currents and voltages.…”

Section: Introductionmentioning

confidence: 99%

An Advanced Control and Extensible Configuration for Static Var Generator

Zhang

Cui

et al. 2016

Mathematical Problems in Engineering

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An extensible configuration is proposed for static var generator (SVG) with advanced controller included for reactive power compensation of grid. Compared with the traditional configurations, the major advantage of such system configuration is that the power modules are very flexible and easy to extend or reduce without changing the main equipment of SVG under the different voltage levels. Furthermore, in order to solve the problems of modeling uncertainty, nonlinearities, and outside disturbance by using proportion integration (PI) controller, an advanced controller is proposed based on auto disturbance rejection control (ADRC). By controlling the amount and direction of reactive current, the reactive power is generated or absorbed from SVG into power grid with fast response, which can realize the excellent dynamic compensation for both the internal and external interferences. Simulations results show that the proposed controller has better performance of the transient and steady state than PI controller. Moreover, the verification tests are executed in 380 V, 6.5 kVA experiment systems, suggesting that the excellent dynamic performance and strong robustness are achieved.

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“…Multilevel inverters are also used for electrical power conditioning as voltage rectifier, static compensator (STATCOM), Back to Back inverter connected to the network [32][33][34][35]. Recently, they are associated with renewable energy systems in photovoltaic ©The Korean Magnetics Society.…”

Section: Introductionmentioning

confidence: 99%

Multilevel Inverters Power Topologies and Voltage Quality: A Literature Review

Rehaoulia¹,

Rehaoulia²,

Fnaiech³

2016

Journal of Magnetics

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Due to their performances and inherent benefits, especially in medium-voltage and high-power applications, multilevel inverters have received an increasing attention in real world industrial applications. The present paper deals with a review of the main multilevel inverter topologies as well their most common derived and hybrid structures quoted in previous research works. It also encompasses an investigation on voltage harmonic elimination and THD estimation. For that reason, the paper summarizes the most relevant modulation techniques used so far to enhance the output voltage quality. Theoretical formulas evoked in the literature, for calculating the output voltage THD upper and lower bounds are reported and verified by adequate simulations.

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Cascaded Multilevel Converter-Based Transmission STATCOM: System Design Methodology and Development of a 12 kV ±12 MVAr Power Stage

Cited by 184 publications

References 52 publications

Parallel-Connected Magnetic Energy Recovery Switch Used as a Continuous Reactive Power Controller

Parallel-Connected Magnetic Energy Recovery Switch Used as a Continuous Reactive Power Controller

An Advanced Control and Extensible Configuration for Static Var Generator

Multilevel Inverters Power Topologies and Voltage Quality: A Literature Review

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