最大电流恒定及截止式电路保护装置，免除故障手机线路板进一步损坏。
Protection devices of maximum current steady and cut-off electric circuit avoid further damage of failure phone circuit board.
继电器是保护系统的逻辑元件，它感知故障，并使断路器解扣电路带电和断路器打开触点。
Relays are the logic elements of a protection system which sense the fault and cause the circuit-breaker trip circuits to be energized and the breakers to open their contacts.
任何忽视电路保护设计的电气或电子产品都埋藏了故障隐患。
Any ignore that the electric or electronic product that the circuit protection designs has all hidden malfunction hidden trouble.
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.
文中在对SN388交叉站电路进行分析的基础上，介绍了交叉站输入线故障、保护电路故障和转换电路故障的解决方法。
On the basis of analyzing circuit of SN388 cross-station, the paper introduced the solution of failure in input circuit, protected circuit and switching circuit of cross-station.
为了限制逆变器桥臂直通短路时故障电流的上升率，可以在装置的直流侧安装一种称为“环流保护电路”的附加电路。
In order to restrict the rising rate of fault current caused by short circuit on one arm of bridge of inverter, a kind of device named current loop protection circuit can be adopted.
在电流过大或设备有故障时，能自行熔断以切断电路的保护电器。
In the current is too large or equipment failure on their own to cut the fuse protection of electrical circuits.
本文研究的应用于高压电气设备上的温度在线巡回监测系统可以实时监测设备故障，自动切断故障电路，实现保护功能。
Distributed online temperature monitoring system studied in this paper can monitor HV device in the real-time way, and can cut off the failure circuit so as to implement protecting function.
芯片集成了强大的保护电路，保证了芯片的正常工作与故障重启；
Great protection circuits ensure the safety of the chip and fault restart.
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.
多功能集成电路调节器不但具备基本的调压功能，还具备充电指示灯控制、保护、故障诊断等功能。
The multifunctional IC adjuster has the functions that not only adjust voltage but also control, protect and diagnose charging indicator.
针对数控设备的限位保护功能有些欠缺，容易发生超程故障等问题，提出采用把所有限位保护电路改为负逻辑控制，并对这一方案进行了理论分析和实践。
As for the above-mentioned problems, the research puts forward to turn all circuit protection into negative logic control and has carried out theory analysis and practice.
仪器能进行温度和重量的自动补偿，并具有掉电保护、自动查询故障功能。介绍了硬件和接口电路及软件设计。
Changes in temperature and weight of samples can be compensated automatically. The hardware and interface circuits and software design are described.
本文介绍了HRGD型点焊机器人焊机系统故障诊断及保护电路的组成和工作原理。
The forms and the operational principles for troubleshoot and protective circuit of welding system in HRGD spot welding robot are introduced in this paper.
下次电路再出现故障时，过载保护PT C热敏电阻又可以进入保护状态。
When the circuit breaks down next time, the PTC Thermistor can enter the state of protection again.
当电路出现故障使回路电流增大时，过载保护PT C热敏电阻的电阻值因自热温升而出现阻值阶跃，直至把电路切断。
When the circuit breaks down and the return circuit current increases, the resistance of restricting overloading protection PTC Thermistor goes up sharply for being warm, until the circuit is cut off.
在电路故障排除后，过载保护PT C热敏电阻冷却并恢复到低阻态，同时电路也进入正常工作状态。
After the clearing of the circuit trouble, the PTC Thermistor begins to cool and come back to the state of low resistance, and then the circuit enters normal working condition.
针对三相异步缺相而烧毁的现象，分析了故障的原因，并提出一种新的缺相保护电路。
The paper points out the unconventionality phenomena of three-phase asynchronism electro motor when it goes wrong and analyzes the reasons...
针对三相异步缺相而烧毁的现象，分析了故障的原因，并提出一种新的缺相保护电路。
The paper points out the unconventionality phenomena of three-phase asynchronism electro motor when it goes wrong and analyzes the reasons...
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