SCIG Based Wind Energy Integrated Multiterminal MMC-HVDC Transmission Network

Hossain, Ismail; Abido, M. A.

doi:10.3390/su12093622

Cited by 13 publications

(8 citation statements)

References 31 publications

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“…With nearly zero carbon emissions and being environment-friendly, offshore wind power is regarded as a promising energy. Considering the trends of large-scale longdistance offshore wind power transmission, the voltage source converter based high voltage direct current (VSC-HVDC) transmission technology is preferred [1][2][3]. However, VSC-HVDC requires a high-power converter supported by an expensive offshore platform to convert offshore AC voltage to DC.…”

Section: Introductionmentioning

confidence: 99%

Control Strategy for Offshore Wind Farms with DC Collection System Based on Series-Connected Diode Rectifier

Xie

Cheng²,

2022

Sustainability

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The DR-HVDC (Diode rectifier-based HVDC) transmission topology was recently proposed for integration on large offshore wind farms due to its low investment cost and high reliability. To further reduce the investment, a DC collection topology based on the series-connected diode rectifiers (DR) is proposed, where no offshore platform is needed. However, units of series-connected topology (SCU) show coupling issues, such as overvoltage, energy curtailment, and fault isolation. First, the coupling mechanism is analyzed, and a suitable operation mode for SCUs is selected to ensure the safe operation of the DC system. Then, the linear relationship of active power and output DC current and DC voltage of SCUs is analyzed, and a novel coordinate control strategy for DC wind farms is proposed, where an onshore converter adapts a DC current controller and wind turbines adapt a mediate output voltage control strategy. The mediate output voltage control strategy includes a triple loop with power loop, mediate output voltage loop, and current loop. Also, the DC open line fault, DC grounding fault, and AC grounding fault of the onshore grid are investigated, and a protection strategy is proposed. A 160 MW wind farm with a DR-SCU DC collection system is built in PSCAD/EMTDC to verify the validity of the proposed control strategy under unequal wind speeds, DC fault, and onshore AC fault, and the results validate the performance of the proposed strategy.

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Section: Introductionmentioning

confidence: 99%

Control Strategy for Offshore Wind Farms with DC Collection System Based on Series-Connected Diode Rectifier

Xie

Cheng²,

2022

Sustainability

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“…Hence, HVDC link voltage remains regulated within limits. Usually, the dynamic braking resistor is designed in such a way as to fully dissipate the excess energy throughout the three-phase to ground faults at the PCC of AC grids [40][41][42].…”

Section: Introductionmentioning

confidence: 99%

Comprehensive Analysis of PV and Wind Energy Integration into MMC-HVDC Transmission Network

et al. 2022

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Renewable energy will play a vital role in greenhouse gas emissions reduction. However, renewable energy is located far away from the load center. Modular multilevel converter-(MMC) based VSC-HVDC systems became competitive for remotely located renewable energy grid integration. Unlike the average model for MMC and renewable energy side converter, this paper presents a detailed model-based control and analysis of the MMC-HVDC system for solar and wind energy integration. Furthermore, it optimally tracks PV energy employing the modified incremental conductance method and wind energy using field-oriented control. Instead of decoupled control, a feedforward controller is utilized to establish a standalone AC voltage for renewable energy grid integration. This work considers a doubly fed induction generator (DFIG), permanent magnet synchronous generator (PMSG), and squirrel cage induction generator (SCIG) for wind energy integration. The results from MATLAB/SIMULINK platform agree with the controller hardware in the loop results from RTDS-dSPACE platform. The results confirmed the optimum solar and wind energy tracking during wind speed, irradiance, and temperature variations. However, it improved the fault ride-through capability during balanced and unbalanced low voltage disturbances at the point of common coupling (PCC) of AC grid.

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“…The existing scientific literature on control strategies to improve the grid integration of wind generators is extensive. A control strategy based on a modular multilevel converter for squirrel cage induction wind generators was presented by Hossain and Abido [11]. Yousefi-Talouki et al [12] proposed a direct power control technique for matrix converter-fed, grid-connected DFIGs.…”

Section: Introductionmentioning

confidence: 99%

Design of Capacitive Bridge Fault Current Limiter for Low-Voltage Ride-Through Capacity Enrichment of Doubly Fed Induction Generator-Based Wind Farm

et al. 2021

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The increase in penetration of wind farms operating with doubly fed induction generators (DFIG) results in stability issues such as voltage dips and high short circuit currents in the case of faults. To overcome these issues, and to achieve reliable and sustainable power from an uncertain wind source, fault current limiters (FCL) are incorporated. This work focuses on limiting the short circuit current level and fulfilling the reactive power compensation of a DFIG wind farm using a capacitive bridge fault current limiter (CBFCL). To deliver sustainable wind power to the grid, a fuzzy-based CBFCL is designed for generating optimal reactive power to suppress the instantaneous voltage drop during the fault and in the recovery state. The performance of the proposed fuzzy-based CBFCL is presented under a fault condition to account for real-time conditions. The results show that the proposed fuzzy-based CBFCL offers a more effective solution for overcoming the low voltage ride through (LVRT) problem than a traditional controller.

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SCIG Based Wind Energy Integrated Multiterminal MMC-HVDC Transmission Network

Cited by 13 publications

References 31 publications

Control Strategy for Offshore Wind Farms with DC Collection System Based on Series-Connected Diode Rectifier

Control Strategy for Offshore Wind Farms with DC Collection System Based on Series-Connected Diode Rectifier

Comprehensive Analysis of PV and Wind Energy Integration into MMC-HVDC Transmission Network

Design of Capacitive Bridge Fault Current Limiter for Low-Voltage Ride-Through Capacity Enrichment of Doubly Fed Induction Generator-Based Wind Farm

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