2014
DOI: 10.5370/jeet.2014.9.5.1746
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An Application of Proportional-Resonant Controller in MMC-HVDC System under Unbalanced Voltage Conditions

Abstract: -This paper presents an application of proportional-resonant (PR) current controllers in modular multilevel converter-high voltage direct current (MMC-HVDC) system under unbalanced voltage conditions. The ac currents are transformed and controlled in the stationary reference frame (αβ-frame). Thus, the complex analysis of the positive and negative sequence components in the synchronous rotating reference frame (dq-frame) is not necessary. With this control method, the ac currents are kept balanced and the dc-l… Show more

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Cited by 11 publications
(2 citation statements)
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“…Since the appearance of the MMC [13], [14], with the objective to control the converted power, work has been carried out to design control laws of the currents flowing within the MMC. Classical methods 1) such as Proportional-Integral (PI) or Proportional-Resonant (PR) [11], [15], [16] first appeared and then more advanced methods 2) such as Internal Model Control (IMC) [17], Sliding Mode Control (SMC) [12], Pole Placement Control (PCC) [12] were developed, but also methods derived from an optimization process 3) such as the Linear Quadratic Regulator (LQR) [18], but also the Model Predictive Control (MPC) [19].…”
Section: Novelty Of the Proposed Workmentioning
confidence: 99%
“…Since the appearance of the MMC [13], [14], with the objective to control the converted power, work has been carried out to design control laws of the currents flowing within the MMC. Classical methods 1) such as Proportional-Integral (PI) or Proportional-Resonant (PR) [11], [15], [16] first appeared and then more advanced methods 2) such as Internal Model Control (IMC) [17], Sliding Mode Control (SMC) [12], Pole Placement Control (PCC) [12] were developed, but also methods derived from an optimization process 3) such as the Linear Quadratic Regulator (LQR) [18], but also the Model Predictive Control (MPC) [19].…”
Section: Novelty Of the Proposed Workmentioning
confidence: 99%
“…The operation principles of MMC have been studied by many authors over the world [1,2]. Although in low total harmonic distortion (THD), the MMC also injects the harmonics into AC side of the power system.…”
Section: Introductionmentioning
confidence: 99%