设计的过流、过压保护电路，有效地提高了电源的可靠性。
The reliability of power supply is improved by using over-current and over-voltage protecting circuit.
具有输入过压和输出过压保护电路，有效防止意外操作造成功放损坏。
Protective circuits for input overvoltage and output overvoltage effectively protect the power amplifier from damage by accidental operation.
同时给出了整流滤波电路、辅助源电路、过压保护电路、蓄电池的充放电控制电路的电原理图及其工作原理。
Schematic circuits of rectifier and filter, assistant power, over voltage protection, and charge control for storage battery are suggested , their working principle are also discussed.
介绍一款结构简单、成本低廉、新颖实用的输入过压保护电路，实例和实验结果表明了该保护电路的可行性。
This paper presents a novel circuit against input over-voltage. The experiment results are in positive to the feasibility of the protection circuit.
另外，设计了启动保护电路和过压保护电路，保护电路进一步提高了功率器件IGBT工作的稳定性，从而增强了处理故障的能力。
In addition, startup protection circuit and overvoltage protection circuit is also designed, which raise stability of power device IGBT further, thus strengthen the ability to deal with trouble.
为明确起见，图中省略了过压二极管和保护电路。
For clarity, the figure omits overvoltage diodes and protection circuits.
该系列电源适配器，采用固定频率控制电路，具备限流、限压、过温、短路全功能保护。
With fixed frequency control circuit, it provides with over voltage, over current, overheat and short circuit protection.
一个简单的电路断路器提供精密过压和过流保护。
A simple circuit breaker delivers precision overvoltage protection and overcurrent protection.
过压保护控制电路形成在芯片的内部。
The overvoltage protection control circuit is formed inside the chip.
该电源采用了IGBT模块构成的半桥逆变电路，它具有IGBT驱动、过压、过流、过热保护及故障锁定功能。
The power supply has the functions of IGBT driver, over-voltage protection, over-current protection, over-heat protection and fault locking.
过流保护电路将检测电流转化为栅压控制开关管；
Over-current protection circuits convert the detecting current into the gate voltage which controls the switch FET.
其中过压欠压保护是利用硬件电路实现； 过流利用电机控制器MC33035自身的过流检测保护功能；
Over-voltage and under-voltage protection is implemented by hardware and over-current protection is by MC33035 component inside protective function.
喷油阀驱动电路；功率三极管；过压保护；
Fuel injector driving circuit Power triode Overvoltage protection;
过 压保护和电流截止负反馈等电路来提高运行可靠性。
The system adopted some over-current, over-voltage protection and current cut-off feedback circuits to improve systems reliability.
本发明提供了一种过压保护控制电路，包括：电压转换电路、电压比较电路和开关电路。
An overvoltage protection control circuit includes a voltage conversion circuit, a voltage comparison circuit, and a switching circuit.
以LKJ2000型监控电源插件为例，介绍模块化电源的功能，阐述了模块化电源的过压、欠压保护电路的工作原理及各路输出过流保护电路的工作原理。
Taking the power board of type LKJ2000train monitoring and recording device as an example, the paper describes the function of the modular power supply.
在保护电路中，本文提出了较为全面的过流、过压及过热等保护措施等方案。
In protect circuit, the paper bring forward to many protective measures such as over-current, over-voltage.
综合保护电路系统包括过压和短路保护，过压和短路保护是原有的设计。
Comprehensive protection circuitry, including overvoltage and short circuit protection, is inherent in the design.
电路的过压、过流、短路、开路的保护设计大大提高了产品的安全性。
The design of protects for over voltage, over currency, short circuit and open circuit, substantially improves its safety.
电路的过压、过流、短路、开路的保护设计大大提高了产品的安全性。
The design of protects for over voltage, over currency, short circuit and open circuit, substantially improves its safety.
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