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Self-excitation steady-state operation of three - phase induction generator performance

Author: LiuTianZuo
Tutor: WuXinZhen
School: Qingdao University
Course: Proceedings of the
Keywords: Asynchronous generator Steady-state operation External characteristics of Voltage compensation Self-excited capacitance
CLC: TM343
Type: Master's thesis
Year: 2005
Downloads: 123
Quote: 2
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Abstract


According to the the asynchronous generator set , potential side of the rotor balance relational write voltage equation , then the equation is converted to the frequency of the base value to obtain the mathematical model for performance analysis - equivalent circuit . Calculated steady-state analysis , using a direct iterative calculation method is simple and practical , make the equation more than five times in the equation rather than the traditional method for processing by reducing the number of equations , the iterative process of simply simple calculation , fast convergence , and has good versatility . The calculated and experimental results agree with each other the correctness of the analysis method . Self-excited induction generator with a load capacity of shortcomings were used capacitor long , short and shunt capacitors in parallel compensation method to stabilize the terminal voltage to increase with load capacity . By calculating different shunt compensation capacitor value asynchronous generator voltage regulation , respectively, then the resistive load and impedance load capacitance shunt connection of external characteristic of the Self-excited induction generator can improve and increase its load capacity of , which emphasizes the importance of selecting the appropriate compensation capacitor value ; invested the external characteristics of different values ??for parallel compensation capacitor , shunt compensation capacitor asynchronous generator with a load capacity by comparison with resistive load and impedance load . The results also show that the parallel compensation capacitor different timing of inputs will affect the the asynchronous generator output of the voltage regulation . The asynchronous generator terminal voltage to establish the basis of its stable operation compared with voltage build pressure capacitance values ??to determine the establishment of the key . Asynchronous generator for the establishment of the no-load voltage values ??given in this article struck by optimizing the pressure built capacitance method . Hooke-Jeeves pattern search method for solving constrained optimization problem , thus overcoming the traditional Newton-Raphson method poor stability and difficult to deal with the weaknesses of the constraints .

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CLC: > Industrial Technology > Electrotechnical > Motor > AC motor > Induction motor
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