查询词典 frequency relay

No brush No ring starter remove the traditional 、complicated、multiconduction component starting equipment. it is easy to operate and install, less repairing expense. the advantage is: to keep the original operation without rings、carbon brush、brush box、brush box shell、short circuit ring and ajustable rheostat frequency sensitive rheostat on secondary loop system AC connector and time relay.

无刷无环运行器把传统的、繁琐的、多触点元件组成的起动装置去掉，采用无刷无环运行，操作简单，安装拆卸方便，可大大减少维修费用，其优点是：去掉滑环、碳刷、刷盒、刷盒支架、短路环及二次回路系统中的频敏变阻器、交流接触器、时间继电器等元件，并可保持电机原有的运行特性。

No brush No ring starter remove the traditional 、complicated、multiconduction component starting equipment. it is easy to operate and install, less repairing expense. the advantage is: to keep the original operation without rings、carbon brush、brush box、brush box shell、short circuit ring and ajustable rheostat frequency sensitive rheostat on secondary loop system AC connector and time relay.

无刷无环起动器把传统的、繁琐的、多触点元件组成的起动装置去掉，采用无刷无环运行，操作简单，安装拆卸方便，可大大减少维修费用，其优点是：去掉滑环、碳刷、刷盒、刷盒支架、短路环及二次回路系统中的频敏变阻器、交流接触器、时间继电器等元件，并可保持电机原有的运行特性。

This type of current transformer is an indoor device, suitable for measurement of current and electric energy and relay protection in electric power system of 50 Hz rated frequency, 10kV and under rated voltage.

该型电流互感器是一种户内装置，适用于额定频率为50HZ，额定电压为10kV及以下的电力系统中作电流、电能测量和继断保护之用。

"On the other hand , it is imperative to develop high frequency band relay communication system in those poor raining regions."

另一方面，在那些少雨地区急需开发高频段的微波接力通信系统。

The frequency changing relay is out of order.

频率转换继电器故障，不能转换频率。

"On the other hand, it is imperative to develop high frequency band relay communication system in those poor raining regions."

另一方面，在那些少雨地区急需开发高频段的微波接力通信系统。他用一把干草引燃了这些木柴。

Panasonic: trip switch, frequency converter, the time relay.

松下：行程开关，变频器，时间继电器。

Firstly two characteristic points of the open-loop frequency are identified based on relay feedback experiments: the ultimate point and the bandwidth point.

通过继电反馈辨识系统开环带宽度点和临界点，利用带宽点的信息建立一阶加纯延迟模型。

SCM given temperature and measurement temperature compared to the actuator deviation obtained from the higher switching frequency, solid-state relay switches as to change the same cycle electronic switch closure time to achieve control.

单片机将给定的温度与测量温度的相比较，得出偏差量执行器由开关频率较高的固态继电器开关担任，改变同一个周期中电子开关的闭合时间，达到控制的目的。

Pointing to some problems such as easy defect of joint, big pushing to voltage of power net and frequent defects existed in hydraulic station control system of BF, the reforming included replacing pressure meter with electric joint by pressure transmitter with intellectual digital display, replacing alternating contactor by alternating frequency conversion technique and increasing relay control to 984PLC control has been done in Jigang.

针对高炉液压站控制系统存在的接点易损坏、对电网电压冲击大、故障频繁等问题，改造采用带智能数显表的压力变送器代替电接点压力表，应用交流变频技术代替交流接触器，并将继电器控制升级为984PLC控制。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。