Results 1 to 10 of about 1,350 (128)
High voltage direct current (HVDC) transmission: Future expectation for Pakistan
An HVDC transmission system for bulk power transfer over longer distance offers numerous advantages over an alternating current (AC) transmission system, such as direct integration of networks operating at different frequencies, comparatively low line ...
Kamran Hafeez, Shahid A. Khan
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Power Dispatch and Voltage Control in Multiterminal HVDC Systems: A Flexible Approach
This paper deals with the power dispatch and direct voltage control in multiterminal high voltage direct current (MT-HVDC) systems. Generalized voltage droop (GVD) control is adopted for voltage source converters (VSC)s of a MT-HVDC system.
Ali Raza +6 more
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With the recent development in power electronic devices, HVDC (High Voltage Direct Current) systems have been recognized as the most prominent solution to transmit electric power economically. Today, several HVDC projects have been implemented physically.
Adeel Ahmed +8 more
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Adaptive droop control strategy of cascaded hybrid HVDC system
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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Generalized short circuit ratio (gSCR) for grid strength assessment of multi-infeed high-voltage direct current (MIDC) systems is a rigorous theoretical extension of the traditional SCR, which enables SCR to be extended to MIDC systems.
Guanzhong Wang +4 more
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It is very important to obtain high reliability in the high‐voltage direct current (HVDC) system operation because of extremely high and huge power capacity.
Chi‐Hwan Bae +2 more
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A new multi-port interline DC power flow controller for multi-terminal HVDC grids
In Multi-Terminal High-Voltage Direct Current (MT-HVDC) Grids, the current of Direct Current (DC) lines are naturally dispersed depending on the DC line resistance and the difference in the voltage at various DC terminals.
Rasoul Bok +2 more
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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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A timely switch fault ride-through method for VSC-HVDC system
In order to achieve the fault through of voltage source converter-based high voltage direct current (VSC-HVDC)system during alternating current (AC) system asymmetric faults and keep stability of the impedance at steadystate, a timely switch fault ...
WANG Ke +5 more
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Design of ± 535 kV hybrid high voltage direct current (HVDC) circuit breaker
This paper proposes a ± 535 kV hybrid high voltage direct current (HVDC) circuit breaker. In this paper, the interruption processes of the main branch, transferring branch, and MOV (metal oxide varistors) branch are studied by PSCAD/EMTDC computer ...
Chenyang Liu +4 more
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