臺灣博碩士論文加值系統

本文利用電容器、靜態同步補償器(Static Synchronous Compensator, STATCOM)與風力發電機組，對24小時的動態負載系統進行最佳實虛功補償，以達到整體系統之電壓穩定。
利用本文提出的「改良式直交粒子群演算法(Modified Orthogonal Particle Swarm Optimizer, MOPSO)」搜尋電容、STATCOM及風力機組在系統中的最佳配置與容量，並結合「等效電流注入法(Equivalent Current Injection, ECI)」計算最佳化電力潮流以達成最佳化系統電壓穩定。本文所提出「改良式直交粒子群演算法」經由多重選擇與田口直交表，更新STATCOM與風力發電機容量的Gbest，改善粒子群演算法會經常落入局部最佳解的窘境，並配合負載平衡等式限制式與不等式限制式搜尋電力系統的電壓穩定最佳化。本文所提出「平均電壓變動量(Average Voltage Variation, AVV)」與「平均電壓降變動量(Average Voltage Drop Variation, AVDV)」來作為目標函數，計算整體系統之電壓變動量，並經由MOPSO收歛至系統最佳化。
測試IEEE 33 Bus之配電系統與苗栗後龍實際的配電系，並測試台電離尖峰時段電壓控制的案例，進行系統實虛功補償模擬，並得到最佳化系統之電壓穩定。

The thesis use capacitors, Static Synchronous Compensator (STATCOM) and wind generator to get optimal voltage stability for twenty-four-hour dynamic load by compensating real/reactive power.
In the thesis, Modified Orthogonal Particle Swarm Optimizer (MOPSO) is proposed to find the sitting and sizing of capacitors, STATCOM and wind generator, and integrate Equivalent Current Injection (ECI) algorithm to solve Optimal Power Flow (OPF) to achieve optimal voltage stability. The algorithm uses MOPSO to renew STATCOM and wind turbine sizing Gbest with multiple choices and Taguchi orthogonal array, which improves Particle Swarm Optimizer (PSO) without falling into the local optimal solution and searches optimal voltage stability of power system by load balancing equation and inequality constraints. Average Voltage Variation (AVV) and Average Voltage Drop Variation (AVDV) are proposed as objective function to calculate whole system voltage variations, and convergence test of MOPSO.
The IEEE 33 Bus distribution system and Miaoli-Houlong distribution system were used for simulation to test the voltage control during peak and off-peak periods of Taipower. Compensation of real/reactive power was used to get optimal system voltage stability for each simulated case.

中文摘要..................................................................................i
英文摘要.................................................................................ii
目錄........................................................................................iii
圖目錄....................................................................................vi
表目錄..................................................................................viii
第一章 緒論............................................................................1
1.1 研究背景..........................................................................1
1.2 研究方法與目的..............................................................2
1.3 論文架構..........................................................................3
第二章 配電系統補償設備與問題描述................................5
2.1配電系統補償設備之模型與理論...................................5
2.1.1 靜態電容器...................................................................5
2.1.2 靜態同步補償器...........................................................6
2.1.3 風力機發電與控制原理...............................................7
2.2 電壓穩定之問題描述......................................................9
2.2.1 等式限制式...................................................................9
2.2.2 不等式限制式............................................................10
2.2.3 電壓品質指標值........................................................10
第三章最佳化電力潮流與電壓穩定評估..........................13
3.1 電流注入法....................................................................13
3.1.1 電流注入法負載匯流排模型推導............................14
3.1.2 電流注入法電壓控制匯流排模型推導....................18
3.2 電壓穩定評估................................................................22
3.2.1 平均匯流排電壓變動量............................................23
3.2.2 平均電壓降變動量....................................................24
3.3 動態負載規劃................................................................25
第四章改良直交粒子群演算法..........................................27
4.1 各種粒子群演算法........................................................27
4.1.1 傳統粒子群演算法....................................................27
4.1.2 時變性質加速係數粒子群演算法............................30
4.1.3 直交粒子群演算法....................................................32
4.2 改良直交粒子群演算法...............................................32
4.2.1 水準選取....................................................................33
4.2.2 直交方法....................................................................33
4.2.3 改良直交粒子群演算法與最佳化電力潮流流........36
第五章系統模擬及結果分析..............................................40
5.1 IEEE-33 Bus配電系統之模擬結果...........................41
5.1.1 IEEE 33 Bus配電系統之動態負載.........................41
5.1.2 平均電壓變動量........................................................44
5.1.3 平均電壓降變動量....................................................49
5.1.4 AVV與AVDV的比較...................................................52
5.2 後龍配電系統之模擬結果............................................55
5.2.1 後龍實際配電系統之動態負載................................55
5.2.2 平均電壓變動量........................................................57
5.2.3 平均電壓降變動量....................................................61
5.2.4 AVV與AVDV的比較...................................................64
5.3 台電特殊案例之模擬結果............................................66
第六章結論..........................................................................73
6.1結論.................................................................................73
6.2未來研究方向.................................................................74
參考文獻..............................................................................75
附錄......................................................................................79

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