查询词典 broadcast relay

Since the mechanical contact of relay has poor life and the overload capacity of electronic switch is low,a cheap controller baed on SCM PLC16F877 is developed,used to control the CNC lathe for bearing ring .

针对继电器机械触点寿命短，电子开关抗过载能力差的问题，开发了基于PIC16F877单片机的一种价格低廉的控制器，用于轴承套圈自动车床的控制。

Equipped with phrase protection relay, power short-cut protection, current overload protection, hi-low voltage switch, freeze protection, water fiow control, electronic time holdup device,etc.

装有相序保护、电源短路保护、电流过载保护、高低压控制、结冰保护、水流制、电子时间延迟安全装置。

Pack a valve stem.IAAF World Road Relay .

国际业余田联世界公路接力赛。

However, the enterprise of this mark sex falls in the concussion of financial crisis, also explode loss of season giving sheet the message of 97 million dollar, willow of predecessor palm door passes annals to give mountain afresh after retire is old, announce to will answer relay of centre of gravity Chinese market,"Because it is business of our whole world and the cornerstone of growing strategy ".

然而，这个标志性的企业在金融危机的冲击下，也爆出单季亏损9700万美元的消息，前任掌门柳传志在退隐多年之后重新出山，并宣布将把重心重新放回中国市场，&因为它是我们全球业务和成长战略的基石&。

Reclosing of "accelerated after the" manner and relay meet.

重合闸采用&后加速&方式与继电保护配合。

In this paper, based on the design of the power system protection of computer integrated automatic reclosing, including integrated reclosing the principle of integrated reclosing the composition, reclosing relay and the co-ordination, installation of hardware and software design part of the design.

本文设计了基于电力系统继电保护的微机综合自动重合闸，包括综合重合闸的工作原理、综合重合闸的构成、重合闸与继电保护的配合，装置的硬件部分设计及软件部分设计。

In these cases, the mode of singlepole reclosing was set, and when single phase grounded fault occurred at the transmission line, all of protection relay operated correctly, and three phases of one breaker directly tripped at one time, and this breaker was not reclosed.

详细介绍了华中某500kV变电站两起典型的重合闸不正确动作事故，即在单重模式下，输电线路发生单相接地故障，保护装置均正确出口情况下，其中一个线路断路器直接三跳，未重合。

"Photocells are used in control systems, where interrupting a Beam of light opens a circuit, actuating a relay that supplies power to a mechanism to Bring about a desired operation, such as opening a door or setting off a Burglar alarm."

光电管用于控制系统中，在遮断光束时，系统就打开电路，从而开启继电器，为所需要的动作提供动力。

"Photocells are used in control systems, where interrupt ing a beam of light opens a circuit, actuating a relay that supplies power to a mechanism to bring about a desired operation, such as opening a door or setting off a burglar alarm."

光电管用于控制系统中，在遮断光束时，系统就打开电路，从而开启继电器，为所需要的动作提供动力。

Present Situation and Developing Prospect of Artificial Intelligence and Fuzzy Control in Power System Protection Relay.

人工智能与模糊控制在电力系统继电保护应用的研究现状及前景

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。