给出了看门狗、掉电后供电延时、电源故障实时监控和自动复位等功能的实现电路及相关程序。
The implementing circuits of watchdog, delay on power outage, power failure monitoring and automatic reset and related program are given.
根据直升机起飞、着舰时所需的助降灯光使用要求,考虑电磁兼容性标准,详细介绍了灯光助降系统的主机板、电源板、驱动电路、故障检测电路等硬件设计过程。
On the basis of the need of the lamplight for the helicopter to take off or touch down at the warship, the standard of the electromagnetic compatibility is considered.
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.
介绍了电气故障的种类、产生的原因,详述了电源、电路、设备和元件故障的查找方法,对常用电气设备的故障原因、查找方法,做了具体的叙述。
This text introduces category and reason of electrical breakdown, deals with the methods of checking up the power supply, electric circuit and equipment and gives out some concrete countermeasures.
主要介绍医疗设备开关电源的电路原理与故障的检修方法。
Describes mainly the circuit principle of switch power supply for medical equipment and troubleshooting of common malfunctions.
对高压电路系统故障的实例进行了故障原因分析和处理,并对电源电压波动对仪器的影响进行了初步的探讨。
The analysis and treatment of trouble of high-voltage circuit system are carried out through instance, and the effect of mains voltage fluctuation on equipment is also inquired initially.
在分析空间电源系统电路结构和故障特征基础上,建立起基于模型在线故障诊断系统。
After analyzing the circuit structure and fault characteristics of the aircraft power system, the authors built an on-line model-based fault diagnosis system.
对系统硬件设计的DSP 3.3V电源的获取、电压电流采样模块、IGBT驱动、一般I/O信号的处理、故障监测和串口通信电路进行了研究分析。
The overall hardware design scheme is performed, such as DSP 3. 3V power, voltage and current sampling module, IGBT driving circuit, I/O signal processor, fault detection module and COM circuit etc.
文章较详细地对影响PMT工作性能的直流高压电源电路的工作原理进行分析,并对常见故障的判别、维修进行分析探讨。
This paper analyzes the principle of direct current high-pressure power source which affects the work performance of PMT and discusses the judgement and maintenance of common malfunction respectively.
论文中给出了抑制极电源的负反馈控制回路,设计了故障检测电路和开关柜的状态、控制信号流程图。
The paper presents the suppressor supply's feedback control circuits and also its fault detection circuit. As to the status and control signals, the control logic and interface board were designed.
介绍了彩显电源电路的基本原理及故障的分析和维修实例,对维修其它开关电源电路具有借鉴作用。
The working principle of colour TV supply source circuit and fault analysis were described. Some maintenance examples are helpful for repairing other switch supply source circuits.
介绍了721型分光光度计,灯电源电路和稳压电路故障现象,分析了故障产生的原因,提供了排除故障办法,对该仪器维修提供了借鉴的经验。
This paper introduced some common faults of 721 spectrophotometer, found out the cause of formation, and presented fixing method, it may be used for instrument maintenance for reference.
对开关电源电路的常见故障进行了分析,介绍了一种半桥驱动型开关电源电路的故障检修思路和开关电源电路静态检修法。
The paper analyses the common faults of switching supply circuit and introduces a method for fault overhaul of half-bridge switching supply circuit.
如果电源、充电电路出现故障,蓄电池能量不足,就失去便携功能。
It will lose the portable function if the charge circuit is wrong and the storage battery has no enough energy.
向GFCI提供电源的电源线路也与PCB(122)上的电路连接,以切断由于故障或测试而跳闸的GFCI的那些电路的电源。
The power lines that supply the GFCI with power are also coupled to the circuits on the PCB (122) to disconnect power to those circuits of the GFCI that trips due to faults or tests.
对于控制装置故障,主要表现为电源缺相,而导致电源缺相的子事件主要有:可控硅失效、可控硅触发电路失效、三相电源开关失效、电感线圈失效;
One is power failure, mainly on AC phase-loss consisting of SCR failure, the failure of SCR's trigger circuit , there phases AC switches'failure and the failure of CRDM coil;
介绍了电气故障的种类、产生的原因,详述了电源、电路、设备和元件故障的查找方法,对常用电气设备的故障原因、查找方法,做了具体的叙述。
There are many causes of abnormality in digitized observation data of earthquake, most of them are instrument fault, power failure and communications stoppage.
介绍了电气故障的种类、产生的原因,详述了电源、电路、设备和元件故障的查找方法,对常用电气设备的故障原因、查找方法,做了具体的叙述。
There are many causes of abnormality in digitized observation data of earthquake, most of them are instrument fault, power failure and communications stoppage.
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