查询词典 frequency converter

Use USS Protocol to control frequency converter can reduce the system wiring,and strengthen the reliability of system.

采用USS协议对变频器控制可以减少系统布线，增强系统的可靠性。

The haul off adopts excellent quality reducer,motor and frequency converter.

履带式牵引机采用优质减速器电机及变频器调速。

According to the character of the temperature,humidity and the velocity of the wind measurement in the VAV air conditioning system,the digitized detecting technology,frequency converter and the software of Kingview are used in this ***, thus predigesting the anterior circuit,increasing the ability of this system to measure and control effectively and offering a research platform for the design of multi-channel.

本文在变风量空调系统的要求下，根据变风量空调系统对温度、湿度和风速的要求，采用数字化丈量技术与变频器、组态软件相结合，这样简化了前真个电路设计，可以改善系统的测控能力，为多种风口形式设计提供了平台。

This text has designed the hardware and software of the electric control system of computer test board. And choose the control units and design the parameter for it. Especially research the driving motor by frequency converter and mathematic model of the operated brake lever force.

本文对测试系统电气控制系统的硬件和软件进行了设计，并对控制元器件以及控制参数进行设计，特别对电机变频控制以及施加的握闸力进行参数设计控制。

The automatic control and the velocitymodulation systemofchamfering machine involve programmable controller,DC speed regulating system,frequency converter and the electronic cam switch .

倒棱机的自动控制与调速系统涉及可编程控制器、直流调速系统、变频器、电子凸轮开关等自动化设备，这些自动化设备之间协调配合非常重要。

Combined with technical transformation of 125MN extrusion press extrusion dummy block transportation system, by analyzing the existing problem in the old system, choose a scientific project-to make a frequency-converter speeding-adjusting system of crane based on communication of Profibus-DP.

结合125MN挤压机运垫系统的改造，通过分析老系统存在的问题，制定科学的改造方案－基于Profibus-DP标准的通信变频调速系统，并组织设计、选型和实施，从根本上降低设备故障率，提高系统运行速度和控制精度，并为其他在线设备的电气改造提供可靠的经验。

When a fault of the rotor bar of an frequency converter has taken place,the characteristic signal components of the currents will be added into the stator current.

在实际使用中，转子导条断裂是常见的导致变频机故障的重要因素之一，统计表明，大约有10%的故障是由转子断条与端环断裂引起的。

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

松下：行程开关，变频器，时间继电器。

The article is based on the now-being general frequency converter, using PLC to control the elevator, the reliability is improved and the feeling of comfort is better through the reasonable selection and design, so the effect of control is more ideal.

本文在已有的通用变频器的基础上，采用PLC对电梯进行控制，通过合理的选择和设计，提高了电梯的控制水平，并改善了电梯运行的舒适感，使电梯达到了较为理想的控制效果。

The article is based on the now-being general frequency converter, using PLC to control the elevator, the reliability is improved and the feeling of comfort is better through the reasonable selection and design, so the effect of control is more ideal.

本文采用PLC对电梯进行控制，通过合理的选择和设计，提高了电梯的控制水平，并改善了电梯运行的舒适感，使电梯达到了较为理想的控制效果。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。