Analysis of steady-state stability of long-distance transmission systems

1978 ◽  
Vol 98 (4) ◽  
pp. 63-72
Author(s):  
Toshihiko Saito ◽  
Kozo Aratame ◽  
Hiromichi Sato ◽  
Jiro Nagasaka
Keyword(s):  
Steady State ◽  
Long Distance ◽  
Transmission Systems ◽  
Long Distance Transmission ◽  
Steady State Stability

A Discussion on recent advances in heavy electrical plant - D.C. transmission systems

1973 ◽  
Vol 275 (1248) ◽  
pp. 225-232 ◽  
Keyword(s):  
Operating Experience ◽  
Long Distance ◽  
Transmission Systems ◽  
System Parameters ◽  
Long Distance Transmission ◽  
Recent Advances ◽  
Operational Characteristics

‘D.c. transmission systems’ covers the operational characteristics and equipment from the sending end a.c. system to the receiving end a.c. system, and includes the characteristics of those two a.c. systems as well as all the equipment in between. Since d.c. transmission is the ‘challenger’ and a.c. transmission is the ‘sitting tenant’ it behoves d.c. to prove its worth using the well-developed a.c. technique as a yardstick with regard to technical excellence, performance, reliability and the all important cost. Existing schemes are reviewed in terms of the system parameters which influenced the choice of d.c. and bulk long-distance transmission is used as an example. Control of a d.c. scheme is touched upon, followed by a discussion of some recent studies and operating experience.

Improving the Performance of Long Distance Tuned AC Transmission Systems

2019 ◽  
Vol 8 (2S8) ◽  
pp. 1133-1135
Keyword(s):  
Power Flow ◽  
Reactive Power ◽  
Voltage Profile ◽  
Long Distance ◽  
Transmission Systems ◽  
Long Distance Transmission ◽  
Reactive Power Flow ◽  
Shunt Compensation ◽  
Ac Transmission ◽  
Economic Constraints

The line series reactance and shunt susceptance can be tuned by adopting series and shunt compensation. Practical, size and economic constraints will lead to limitations in location of the compensating elements at optimal points along the line. While planning long-distance transmission, it is necessary to determine not only the average degrees of compensation required, but also ensure the stable and uniform voltage profile with minimal reactive power flow.

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