Results 21 to 30 of about 3,260 (186)
Zhongguo dianli, 2021 A large number of high voltage direct current (HVDC) projects are under construction or have been put into operation in order to mitigate the reverse distribution between energy and loads in China.
Guangzeng YOU +5 more
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The Area Comparison of LCC-HVDC and VSC-HVDC [PDF]
Science Discovery, 2017 With the mature of high power IGBT, VSC-HVDC technique is gradually adopted in principle power grid with higher voltage and capacity. At present, it is generally considered that compared with traditional HVDC technique, VSC-HVDC will save lots of land resources. However, it is not always the case.
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Causes of high amplitude of pipe-to-soil potential under HVDC interference and influencing factors
工程科学学报, 2021 Since the 1950s, international studies have confirmed the technical advantages of high-voltage direct current (HVDC) transmission projects, such as large capacity, low loss, and high stability.
Xun YUAN +3 more
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A Novel Approach to Control Multi Terminal Direct Current Grids under Different Operation Conditions [PDF]
Journal of Electrical and Electronics Engineering, 2023 Frequency control plays a crucial role in maintaining stability and power equilibrium in Alternative Current (AC) systems, ensuring a balanced distribution between generation and demand.
SEDAGHATI Reza
doaj
Modelling of HVDC breakers for HVDC grid simulations
13th IET International Conference on AC and DC Power Transmission (ACDC 2017), 2017 This paper deals with the modelling of high-voltage direct current (HVDC) breakers in PSCAD. The models are aimed at HVDC grid simulation and are kept as simple as possible.
Augustin, Tim +2 more
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Zhongguo dianli, 2020 Thyristor electronic board (TE board) of HVDC converter valve is an important equipment of HVDC converter valve. In the process of operation and maintenance, TE board burned out many times, resulting in the shutdown of the converter valve pole, which ...
Zhen WANG, Kun LIU, Wei JU
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Capacitor Energy Variations in MMC Using Harmonics Injection
Power Electronics and Drives, 2020 Modular multilevel converter (MMC) is considered as a good technology for high-voltage direct current (HVDC) transmission systems. It can generate a good quality staircase output voltage waveform due to the cascaded connection of large number of ...
Hafeez Kamran +3 more
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Research on coordinated reactive power control strategy of hybrid-HVDC
The Journal of Engineering, 2019 Based on the hybrid HVDC transmission system, which is composed by line-commutated converter (LCC) in parallel with voltage source converter (VSC), a coordinated reactive power control strategy of hybrid-HVDC in both steady and transient states is ...
Ying Huang, Chunhua Li, Tao Liu
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PMU‐Based Wide Area Monitoring With Machine Learning to Prevent Blackouts in Bangladesh Power System
Energy Science &Engineering, EarlyView.A Unified Real‐time Dynamic State Measurements (URTDSM) system with PMU and Phasor Data Concentrator (PDC) deployment plan has been proposed to avoid blackout in the Bangladeshi power system. Machine learning has been used to process data from PMU to identify abnormal events. ABSTRACT The electrical power system must be trustworthy and secure enough to
Imi Bintey Fariha Rahman +5 more
wiley +1 more source
Optimizing Task Orchestration for Distributed Real-Time Electromagnetic Transient Simulation
IEEE AccessTransient simulation in power engineering is crucial as it models the dynamic behavior of power systems during sudden events like faults or short circuits. Electromagnetic transient simulations involve multiple coordinated tasks.
Qi Guo +8 more
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