自举电容Bootstrap capacitor如何理解
推荐回答（3个）
自举电容，这是《模拟电子技术》中的专业词汇。
楼主问这个，显然是不懂专业。
那么，可怎么给你解释呢？
相关的基础知识，也太多了，难道在这里，给你写大半本书？
楼主提问时，该说明一下，你的基础知识水平如何。
否则，想要答案，还是自己看书去吧。
这是最合适的回答了。
另外，mcs3000 的回答，并不准确。
1.Bootstrap Capacitor Design To Drive High Voltage Floating MOSFET驱动高压浮动MOSFET的自举电容设计
2.The Simulation Analysis Of The Bootstrap Condenser SFunction In The Complementary Symmetrical Circuit Of Power Amplifier;互补对称功率放大电路中自举电容作用仿真分析
3.Optimum Design Of An H Bridge Driving Circuit For Motors自举式H桥电机驱动电路的优化设计
4.Low Voltage Capacitor Auto Compensate Box低压电容自动补偿柜
5.The Sources Of Reactive Power (Vars) Are Machine Vars, Capacitor And Reactor Vats.无功功率来自电机、电容器和电抗器。
6.Applications Of Bootstrap Circuit To MOSFET Drivers;自举电路在MOSFET驱动中的应用
7.Design Of Bootload Based On TMS320C6713 And AM29LV800B基于TMS320C6713及AM29LV800B的上电自举设计
8.Low Voltage Shunt Capacitors Of The Self-Healing TypeGB/T12747-1991自愈式低电压并联电容器
9.EMC Technology Of Power System Automation Equipment电力系统自动化设备的电磁兼容技术
先给电容充电，充好了，靠电容两端的电压来给外部用电器供电。等到电压低到一定程度，再继续给电容充电。
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