| Summary: | 碩士 === 國立臺灣科技大學 === 電機工程系 === 99 === Being limited by geographical and environmental factors, it would be extremely difficult to execute relevant power construction projects in the eastern area of Taiwan, such as the erection of UHV transmission lines or large-scale power sources. Furthermore, there is no planned construction of alternative lines and large-scale power plants in this area for the next few years. This means that fundamental solutions have not yet been reached for solving the problem of voltage collapse in this area. Additionally, the voltage problem will become more serious since the electrical load is continuously increasing in the eastern area of Taiwan.
In addition to effectively preventing the occurrence of large-scale blackouts, the Power Defense System can also reduce the size of the area affected by a blackout while accelerating the restoration of a normal and stabilized power system. Aiming at the requirements of electrical characteristics in the eastern Taiwan area, this thesis studies the impact of Special Protection System (SPS), Static VAR Compensator (SVC) and Multi-phase Reclosing Techniques on the eastern area as well as on the complementary application between them.
To better understand the contribution of multi-phase reclosing, SPS and SVC techniques on system stability when an accident occurs, the dynamic characteristics of the eastern Taiwan power system and its related power defense equipment are examined in a simulation exercise, namely, when an N-2 accident has occurred to the KuanEr~FengLin and MingTang~FengLin 345kV transmission lines. The result will be used to carry out full-scale analysis and provide suggestions for the Power Defensive Strategies in the eastern area in order to strengthen the capability of the Power Defense System in the eastern area and to enhance the stability and reliability of power supply.
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