New mode controller is used to optimize the control system of minitype relay contacts based on the principles of Programmable Controller. 新模式控制器主要是运用可编程控制器的控制思想,来实现对小型继电-接触器控制系统合理的优化。
This test procedure may apply to any type or combination of current carrying members such as pin and socket contacts, relay contacts, wire and crimp connectors, or printed circuit board and contact. 这个测试程序适用任何类型象针脚,插座,继电器,电线,连接器,印刷电路板等电流通道载体或其结合体。
Furthermore, it elaborates on the feasibility and rationality after analyzing the forming of new mode controller and demonstrating the optimization of the control system of the relay contacts. 并继而深入浅出的对比分析了所构思的新模式控制器,对原来的继电-接触器控制系统进行改进后的优化性论证,验证了其可行性、合理性。
When the relay operates, one or more contacts will operate and energize a trip coil in a Circuit Breaker and trip ( open) the Circuit Breaker. 当继电器动作时,一个或多个接触器动作且给断路器的脱扣线圈通电,从而将断路器断开。
Transient Thermal Field Simulation Method of Relay Contacts Breaking Process 继电器触点分断过程瞬态热场仿真方法
If using relay circuitry, we could create this AND function by wiring three relay contacts in series. 如果使用继电器电路,我们可以通过串联接三个继电器来创造一个大气压。
A New Model of Average Break Arc Duration between Relay Contacts 继电器平均开断电弧持续时间的新模型
If the load resistor was connected directly across the voltmeter input terminals, the current through the relay contacts would cause a voltage drop and the measured cell voltage would be in error. 如果负载电阻被直接连接到伏特计的输入端子,通过继电器触点的电流会产生电压降,测得的电池电压将存在误差。
Z30130X31-arm drilling is a large vertical drilling, the traditional control method is the use of relay contacts Principle control. Z30130X31型摇臂钻床属于大型立式钻床,其传统的控制方式是利用继电器接触器原理控制。
A contactor is a special type of electromechanical relay, where the contacts are attached to the armature. 接触器是一种特殊类型的机电式继电器,其触点被安装在枢轴机构上。
Most switch mainframes can be triggered externally via the trigger input and can send an output trigger pulse when the relay contacts have settled. 大多数开关主机都可通过触发输入进行外部触发,并且在继电器触点稳定之后可输出一个触发脉冲。
Relay contacts. Circuit can be specified as open or closed. 继电器触点。可指定电路为断开或接通。
The collision of electromagnetic relay contacts and corresponding bounce have a strong influence on relay reliability and electrical life. 电磁继电器触点的碰撞接触及所引起的回跳是影响继电器可靠性与电寿命的重要因素。
The check is in the series of coil and four-way reversing valve control relay contact resistance increases, the bad, the contacts the voltage reduced. 经查是与四通阀线圈串联的控制继电器触点接触不良,电阻增大,致使电压降低。
Research on failure prediction of relay contacts 继电器触点失效预测的研究
This paper develops a new simple model, based on analysing arc phenomenon, of average break arc duration between relay contacts with clearly physical meaning, and then the new model was experimentally confirmed. 本文简述了国外对继电器电弧持续时间的研究概况。在对继电器的电弧现象进行了分析的基础上,建立了一种简单而且物理意义也比较明确的继电器平均开断电弧持续时间模型。
The technology approach of complementary isolation is that it makes a pair of normal open contacts of a power electromagnetic relay in parallel with two poles of the output diode, and adopts a redundancy control signal to control the contacts on closing or opening state. 互补隔离技术法为在输出二极管两个端子上并联功率电磁继电器的一对常开触点,并用冗余控制信号对触点的闭合或释放状态进行控制。
Lastly, we arrive a conclusion on test condition of relay's electrical life-test device when simulating motor load. This kind of test condition includes the voltage across relay's contacts and current through its loop circuit. 最后总结得出继电器电寿命试验设备模拟电动机负载时的试验条件,其中包括继电器的触点电压和回路电流条件。
Another Kind of Cause to Have Impact on Relay Contacts Contacting Resistance& Copper Scraps 影响继电器触点接触电阻的另一类原因-铜屑
Mechanism Analysis on Dynamic Welding of Electromagnetic Relay Contacts 电磁继电器触点动熔焊机理分析
For that, now many accidents of power system are due to relay box, such as malfunctioning action due to contacts jitter and reject-action due to imperfect connection of contacts. 目前,电力系统中很多事故是和操作箱有关的,如操作箱内继电器节点抖动、节点接触不良造成保护误动和拒动的情况比比皆是。
Research on dynamic contact resistance measurement and failure prediction of relay contacts 动态接触电阻测量及触点失效预测研究
The system can realize the automatic switching between frequency and frequency conversion through a complete control circuit of relay contacts which is specially designed. 整套装置通过独特设计的继电接触控制线路,可实现变频/工频运行的自动切换。
Aerospace relay is a hermetically sealed relay with high requirements on life and reliability, and its life depends greatly on electrical arc characteristics and contacts erosion rate during the opening process. 航天电磁继电器是可靠性及寿命要求较高的一类密封继电器,其寿命主要取决于分断过程的燃弧特性及电弧对触头的烧蚀特性。
The relay is a kind of switching apparatus used widely. So, it is of very important signification to study the contact reliability and contact failure of the relays 'contacts. 继电器是广泛使用的开关电器,其触点接触可靠性及失效的研究具有非常重要的意义。
Aging aircrafts are prone to raising electrical wiring faults, such as short circuit, wire overload, adhesion of relay contacts, slack bus bar and so on. The discharge fault may cause a fire disaster even air crash when the situation is severe. 老龄飞机电气线路容易发生导线短路、导线过负荷、继电器触点粘接、汇流条固定触点松动等故障,严重时可诱发放电,引起电气火灾,造成航空事故。
Arc will happen when the relay contacts break or close, which can make the contact working condition bad and influence the working life and reliability of aerospace relay badly. 继电器触头在分断或接通电路时都有可能在触头间发生电弧,它会使触头工作条件劣化,极大地影响着航天继电器的工作寿命与可靠性。