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Application of Vacuum-Changing Method for Large Capacity Transformer’s Drying Process

Author: XiaoHaiBin
Tutor: YuXiNing；JiaoCuiPing
School: North China Electric Power University (Hebei)
Course: Control Engineering
Keywords: Transformer method Programmable controller Self-tuning PID Configuration software Determine the end point
CLC: TM571.61
Type: Master's thesis
Year: 2008
Downloads: 34
Quote: 0
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Abstract


The transformer is one of the key equipment of the substation , the reliability and stability of a direct impact on the reliability and stability of the substation . Moisture is one of the important factors that affect large power transformers life , the conventional drying method is easy to make the insulating surface layer of hair cells atrophy , affecting deep insulating the evaporation of water . The same time , due to the multiple effects of the vapor pressure and the degree of vacuum drying , the parameters of the PID controller is difficult tuning , often produces a large overshoot . Transformer method , actuator controller with programmable controllers , human-machine interface using IPC platform configuration software , the system is running stable and reliable , the dry transformer achieved good economic and social benefits .

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CLC: > Industrial Technology > Electrotechnical > Electrical > Controllers,contactors, starters,solenoid > Controller > Special controller > Program controller
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