查询词典 broadcast relay

This will give an increased energy to the relay for a short time at the moment the relay coil must change the state of the contact.

这将使增加能源的中继在目前短的时间继电器线圈必须改变接触状态。

Relay Actuation Time-This is the time from the application of relay coil voltage to the closure of the contacts, including contact bounce time.

继电器触动时间--从继电器线圈被施加电压到触点关闭的时间，包括触点弹跳时间。

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 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。