Comparison of HVDC Light (VSC) and HVDC Classic (LCC) Site Aspects, for a 500MW 400kV HVDC Transmission Scheme

2012 ◽  
Author(s):  
R.L. Sellick ◽  
M. Åkerberg
Keyword(s):  
Transmission Scheme ◽  
Hvdc Transmission ◽  
Hvdc Light

scholarly journals HVDC Light Transmission System with Fuzzy Logic Based PI Controller

2019 ◽  
Vol 9 (1) ◽  
pp. 7541-7545
Keyword(s):  
Fuzzy Logic ◽  
Steady State ◽  
Reactive Power ◽  
Light Transmission ◽  
Pi Controller ◽  
Transmission System ◽  
Hvdc Transmission ◽  
Light System ◽  
Hvdc Light ◽  
Three Phase

In the recent times there are many advancements in the sector of power electronic equipment. HVDC transmission system is further developed into HVDC light transmission system by replacing of thyristor valves with IGBT valves. There are a lot of advantages with HVDC light system compared to normal HVDC. When HVDC light transmission is confronted with fault, then the voltage and current vary, and they takes more time to come back to their steady state with PI controller. In this paper fuzzy logic based PI controller is proposed to reduce the time to reach their normal state, and improve the system steady state. The recommended controller is compared with traditional PI (proportional integral) controller for different control requirements, DC voltage, and reactive power under sudden disturbances such as three phase to ground fault. The performance of HVDC light system with traditional PI and fuzzy-PI shall be tested on under three-phase faults using MATLAB-Simulink software

Dual-Hop Transmission Scheme Based on Hierarchical Modulation in Wireless Networks

2010 ◽  
Vol E93-B (6) ◽  
pp. 1645-1648 ◽  
Author(s):  
Jeong-Chul SHIN ◽  
Jin-Hyuk SONG ◽  
Jee-Hoon KIM ◽  
Hyoung-Kyu SONG
Keyword(s):  
Wireless Networks ◽  
Transmission Scheme ◽  
Hierarchical Modulation
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