Power upgrading of transmission line by combining AC–DC transmission

H Rahman, BH Khan - IEEE Transactions on Power Systems, 2007 - ieeexplore.ieee.org
Long extra high voltage (EHV) ac lines cannot be loaded to their thermal limits in order to
keep sufficient margin against transient instability. With the scheme proposed in this paper, it …

Stability improvement of power system by simultaneous AC–DC power transmission

H Rahman, BH Khan - Electric Power Systems Research, 2008 - Elsevier
This paper presents a concept of improving the transient stability of power system by
simultaneous AC–DC power transmission through a transmission line. A double circuit long …

Simultaneous AC-DC transmission scheme under unbalanced load condition

MA Hasan, P Raj, KR Patel, T Swaraj… - 2016 National Power …, 2016 - ieeexplore.ieee.org
This paper presents the performance analysis of simultaneous AC-DC power transmission
scheme under balanced and unbalanced loading conditions. Simulation and …

Stability enhancement of power system by controlling HVDC power flow through the same AC transmission line

KP Basu - 2009 IEEE Symposium on Industrial Electronics & …, 2009 - ieeexplore.ieee.org
HVDC power transmission employing power electronic device provides a wide range of
control in power transmission. Remote generators are sometimes used to supply power to …

A line impedance conditioner for saturation mitigation of zigzag transformer in hybrid AC/DC transmission system considering line unbalances

B Liu, X Shi, Y Li, FF Wang… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Hybrid ac/dc transmission extends the power transfer capacity of existing long ac lines
closer to their thermal limit, by superposing the dc current onto three-phase ac lines through …

Optimal power flow and computer‐based analysis of a simultaneous AC–DC power transmission system

L Quayyoom, O Rahman, FI Bakhsh… - IET Generation …, 2024 - Wiley Online Library
Electricity demand is constantly increasing with the growing population, and the process of
establishing new transmission lines has become complicated due to the rise in …

Feasibility study of conversion of double circuit ac transmission line for simultaneous ac-dc power transmission

KP Basu, H Rahman - 2005 International Conference on …, 2005 - ieeexplore.ieee.org
Long EHV ac lines cannot be loaded to its thermal limit to keep sufficient margin against
transient instability. EHV lines may be loaded to a very high value if the conductors are …

Feasibility study and design of hybrid AC/DC high power transmission considering unbalanced line impedances

B Liu, X Shi, F Wang - 2014 IEEE Applied Power Electronics …, 2014 - ieeexplore.ieee.org
Considering stability, the loadability of long line ac transmission system is typically far below
its thermal limitation. To partially address this problem, a hybrid ac/dc approach is …

Research on hybrid microgrid based on simultaneous AC and DC distribution network and its power router

X Gai, Y Wang, R Chen, L Zou - Energies, 2019 - mdpi.com
Under the dual pressure of environmental pollution and energy crisis, the global energy
consumption structure reform deepens unceasingly and the concept of energy internet has …

Power upgrading by simultaneous AC-DC power transfer in a double circuit AC line

H Rahman, BH Khan - 2006 IEEE Power India Conference, 2006 - ieeexplore.ieee.org
Long EHV AC lines cannot be loaded to their thermal limits to keep sufficient margin against
transient instability. With proposed simultaneous AC-DC transmission it is possible to load …