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Leakage Inductance Numerical Calculation and Characteristic Study of Magnetically Controlled Saturated Reactor

Author: DingDongDong
Tutor: LiangYanPing
School: Harbin University of Science and Technology
Course: Motor and electrical
Keywords: Extra high voltage Magnetron saturable reactor Finite element method Leakage inductance Electromagnetic properties Simulation
CLC: TM474
Type: Master's thesis
Year: 2011
Downloads: 60
Quote: 0
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Abstract


Magnetron saturable reactor with its flexible control , stable, reliable , continuous smooth adjustment of reactive power advantages in AC transmission system reactive power compensation fields has been increasingly widely used . Currently, the state sights extra and ultra high voltage transmission system, hoping UHV magnetron saturated reactor technology to mature, to achieve high pressure magnetron saturable reactor technology breakthrough has been the goal of many technology workers . This article from the field and the way the two aspects of 500kV EHV magnetron saturable reactor parameters and electromagnetic properties of the electromagnetic conducted in-depth research and analysis. First, a detailed description of EHV magnetron saturable reactor body structure and wiring, and a brief introduction to EHV magnetron saturable reactor basic working principle . Secondly , the establishment of a 500kV EHV magnetron saturable reactor three-dimensional solid finite element model accurately calculated using numerical methods reactor core at different excitation conditions different saturation level work when winding leakage inductance of the control winding , get the leakage inductance variation . Third , the establishment of a 500kV EHV magnetron saturable reactor when the step -dimensional finite element model of high pressure magnetron saturable reactor control current conditions in various finite element analysis done , to get the various different conditions of magnetic field distribution and the winding currents. Through the winding current analysis and processing, high pressure magnetron got saturable reactor control characteristics , harmonics , voltage characteristics and other electromagnetic properties. Finally , this paper presents the current decomposition method, a high pressure magnetron can accurately reveal the saturable reactor electromagnetic laws of mathematical models and equivalent circuits. Based on mathematical models and equivalent circuits to MATLAB / PSB as a simulation platform , the establishment of a high pressure magnetron saturable reactor MATLAB simulation model, and with its advanced algorithms for high pressure magnetron saturable reactor in a variety of different control current conditions was simulated . The resulting electromagnetic simulation and finite element characteristic curve characteristic curve resulting electromagnetic fit is better, which verify the correctness of the method .

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CLC: > Industrial Technology > Electrotechnical > Transformers, converters and reactors > Reactor > Saturable reactor
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