Self-excitation startup of high-voltage and wide-input auxiliary power supply

被引：0
作者：
机构：
[1] National Key Laboratory for Vessel Integrated Power System Technology, Naval University of Engineering, Wuhan
来源：
Hu, Liangdeng | 1600年 / Electric Power Automation Equipment Press卷 / 34期
基金：
中国国家自然科学基金;
关键词：
Auxiliary power supply; PSPICE; Self-excitation; Startup; Two-tube flyback;
D O I：
10.3969/j.issn.1006-6047.2014.09.012
中图分类号：
学科分类号：
摘要：
The principle of self-excitation startup of APS (Auxiliary Power Supply) is analyzed, and the related calculation formulas are deduced. The startup conditions of APS are given, and the major influencing factors confirmed are startup resistance, startup capacitance, transformer primary inductance, transformer primary detection resistance, output capacitance, auxiliary capacitance and load. The conclusions obtained are: when the primary inductance, primary detection resistance or output capacitance is increased, the voltage setup time of output winding is increased while the voltage setup time and power-on time of auxiliary winding are decreased; when the startup capacitance is increased, the startup time of power supply and the voltage setup time of auxiliary winding are increased while the voltage setup time of output winding is decreased; when the load is increased, both the power-on time of auxiliary winding and the voltage setup time of output winding are decreased. The simulative results with PSPICE software and the experimental results of a two-tube flyback APS prototype with 300~2500 V input and 24 V output validate the correctness of the conclusions.
引用
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页码：72 / 79
页数：7
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