Adaptive droop control strategy of cascaded hybrid HVDC system
电力工程技术, 2022 In this paper,the control characteristic of cascaded hybrid high voltage direct current (HVDC) system is studied. The influence mechanism of modular multilevel converter (MMC) inverters to the whole hybrid HVDC are investigated,and the complete voltage ...
ZENG Rui +3 more
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Hybrid ultra-HVDC system with LCC and cascaded hybrid MMC
The Journal of Engineering, 2019 Nowadays, the hybrid high-voltage direct current (HVDC) system consisting of line commutated converter (LCC) and modular multilevel converter (MMC) has become the most competitive candidate in multi-infeed power systems.
Ruizhang Yang +3 more
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Assessment of the hazard risks on HVDC transmission networks due to lightning strikes and faults. [PDF]
PLoS ONEHVDC systems with high voltage and direct current are suitable for reducing electricity losses, during transmission over long distances. However, HVDC lines have the highest probability of failure within a system and can be damaged by different faults or
Abdelrahman Said +2 more
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Analysis of power system transient stability with PSO-optimized distributed generation and HVDC transmission systems [PDF]
Scientific ReportsThe integration of distributed generation (DG) and high-voltage direct current (HVDC) facilities into a power system results in altered transient responses compared to traditional AC-based power systems. This study investigates the transient stability of
Jiyeon Jang +3 more
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Design aspects of hybrid HVDC system
CSEE Journal of Power and Energy Systems, 2021 Hong Rao +6 more
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Hybrid LCC-AAC HVDC transmission system
Electric Power Systems Research, 2021 Abstract A hybrid HVDC transmission system based on a line-commutated converter (LCC) and an alternate arm converter (AAC) is developed in this article. The basic operation principles and control methods of the proposed LCC-AAC hybrid HVDC system are demonstrated following with appropriate system design and parameter selection.
Sun, P +3 more
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Power Stability Analysis and Evaluation Criteria of Dual-Infeed HVDC with LCC-HVDC and VSC-HVDC
Applied Sciences, 2021 This paper analyzes the power stability of the hybrid dual-infeed high-voltage direct-current (HVDC) system containing a line commutated converter-based HVDC (LCC-HVDC) and a voltage source converter-based HVDC (VSC-HVDC).
Xinglong Wu, Zheng Xu, Zheren Zhang
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Continuous commutation failure suppression strategy in hybrid multi-infeed HVDC transmission system
电力工程技术, 2022 For the wide application of high voltage direct current (HVDC) transmission engineering,the continuous commutation failure of line commutated converter HVDC (LCC-HVDC) has a seriously negative impact on the stable operation of the power system. Therefore,
ZHONG Mingming +4 more
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Research on DC Protection Strategy in Multi-Terminal Hybrid HVDC System
Engineering, 2021 Multi-terminal hybrid high-voltage direct current (HVDC) systems have been developed quickly in recent years in power transmission area. However, for voltage-source converter (VSC) stations in hybrid HVDC systems, no direct current (DC) filters are ...
Yuping Zheng +5 more
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Interoperability of Modular Multilevel and Alternate Arm Converters in Hybrid HVDC Systems
Energies, 2021 This paper demonstrates the interoperability of an emerging alternate arm converter (AAC) with the state-of-the-art modular multilevel converter (MMC) in high-voltage direct current (HVDC) systems based on a hybrid VSC-HVDC system.
Harith R. Wickramasinghe +2 more
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