查询词典 relay

If the electric relay A is not energized,there is electrical current flow or logic continuity through the normally closed contacts,so output relay coil is energized or On.

If电继电器A不通电，有电流流或逻辑的连续性，通过通常关闭的接触，使输出继电器线圈通电或On。

The time between application of the nominal relay coil voltage and the final closure of the relay contacts after the contact bounce interval.

触动时间从施加继电器线圈的标称电压到继电器触点经过弹跳最终闭合之间的时间。

The temperature collected by 18 B20 is detected by single chip computer,according to high and low temperature,single chip computer P2.7-pin output high level or low level to control relay whether there is current in the coil through,according to the coil power relay,normally open contact is closed,no current passing,often a disconnect to maintain contacts so as to achieve the automatic control from the fans stopped.

利用单片机检测18B20采集的温度，根据温度高低，单片机的P2.7脚输出高电平或者低电平，来控制继电器线圈中能否有电流经过，根据继电器线圈通电时，常开触点闭合，没电流经过时，常开触点保持断开，从而实现自动控制电风扇的起停。

MSP430F169 microcontroller was the core components of control and measurement function of an electromagnetic relay characteristic parameter tester. The tester also included DC power module, power amplifier module, constant current source module, keys, and digital tube display module. The tester could test the data of 943-1C-12DS electromagnetic relays including the minimum pull-in voltage, maximum release voltage, relay coil voltage rating when the pull-contact time, release time as well as the contact value of the contact resistance. The system could complete automatic measurement parameters to achieve all the basic requirements of design. And all of the test data was displayed through the 74HC573 digital tube.

摘 要：以MSP430F169单片机作为控制和测量的核心部件，辅以直流稳压电源模块、功率放大电路模块、恒流源模块、按键和数码管显示模块等组成一个电磁式继电器特性参数测试仪，完成对943-1C-12DS电磁式继电器最小吸合电压、最大释放电压、继电器线圈电压为额定值时的触点吸合时间、释放时间以及触点接触电阻值的测试，该系统能够实现成套参数自动测量，所有测试数据通过74HC573数码管进行显示。

Microcomputer protection is the fourth age system and develops with the technology of computer and protection relay, and nowadays it is also a main task to research topic in the domain of protection relay.

微机保护是伴随计算机技术和继电保护技术发展的第4代改进系统，是目前继电保护技术领域研究的重要课题。

The developmental requirement of power systems and the continuous appearance of new technology are the source of the evolution of the theory and technology in relay protection of power systems. With the development of computer technology, relay protection has entered into digital age.

电力生产发展的需要和新技术的陆续出现是电力系统继电保护原理和技术发展的源泉，计算机技术的发展，使得继电保护已从电磁型、整流型、晶体管型、集成电路型进入了数字型的时代。

According to the requests of mature relay protection devices, we discuss requirements, architectures, hardwares and softwares of computer relay protection...

根据变电站各种功能的继电保护设备的需求，首先提出平台的设计要求，然后从系统构架、硬件设计和软件设计几个方面讨论微机继电保护平台的设计方案。

According to the requests of mature relay protection devices, we discuss requirements, architectures, hardware and software of computer relay protection platforms. First, we abstract general requirements of development platforms and their influences on designs.

根据变电站各种功能的继电保护设备的需求，首先提出平台的设计要求，然后从系统构架、硬件设计和软件设计几个方面讨论微机继电保护平台的设计方案。

A new self-adapting relay assembly computer aided process planning system based on the software of relay assembly computer aided process planning RACAPP1.0 was developed in order to meet the requirements of different users.

为了满足不同用户的各种需要，基于自主软件继电器装配计算机辅助工艺设计(RACAPP1。 0)开发了一种新型的自适应继电器装配计算机辅助工艺设计系统ZPCAPP1。

Computer relay protection devices have been in great demand in thepopular trend of computerization of relay protection devices in electric substations of China during the last twenty years.

微机继电保护和控制装置在国内已发展了近二十年，变电站众多的继电保护装置普遍要求微机化。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。