查询词典 frequency conversion

Outdoor machine set makes refrigerant be condensed. Compressor in frequency conversion type is as power source for loop of refrigerant. Flux of refrigerant in test pipe, which is connected to indoor machine set, is adjusted from bypath.

采用室外机使制冷剂冷凝；变频压缩机作为制冷剂回路的动力源；通过室内机与测试管段并联，旁通调节测试管段内制冷剂流量。

To the various control circuit and the driving force circuit, the frequency conversion controller , servo controller , circuital various driving force connection test and the malfunction analysis handles our to can systematic all-round grasping.

对各种控制电路以及动力电路，变频控制器、伺服控制器、各种动力电路的连接调试以及故障的分析处理我都能全面系统的掌握。

In this paper the commutate circuit principle and work process of the commutate circuit, the composing and work principle of frequency conversion circuit, main switch element IGBT structure feature turn on and turn-off process dynamic and static switch feature and the work principle of invert were analyzed .

本论文分析了整流电路及相控电路的原理和工作过程；变频电路的组成和工作原理；主开关器件IGBT的结构特点、导通及关断过程、动态静态开关特性；逆变电路的工作原理。

The research collectively utilized some modern control devices, such as PLC, frequency conversion device, sensor, and their program control method, all of these are of some reference value to the study of relative control system.

本论文综合运用了可编程控制器、变频器、传感器等现代工业控制常用的控制部件及其相关程序设计方法。所做的研究对同类系统的研究和开发具有一定的参考价值。

Pump device with frequency conversion, according to the load is speed and save energy.

泵类设备加装变频调速装置，根据负荷调正转速，节约能源。

This design integrates some modem control devices, such as industrial control computer, PLC, frequency conversion device. All of these are of some reference value to the design of relative machines and industrial control systems.

本设计中综合运用了工控机、可编程控制器、变频器等现代控制部件，所做的研究和开发工作对同类设备以及一般的工业控制都有参考价值。

The means of soft-start and frequency conversion control by convertor was introduced.

介绍了由一台变频器进行软起动和变频驱动的设计思路和方法。

This article adopts error back propagation of neural network which can quickly and exactly synthesize and analyze data from actual environment to make so accurate conclusion that helps to control the compressor, wind engine and electronic dilatometer with frequency conversion to control intelligently.

采用了神经网络的误差反传算法，可以快速、准确的对从实际环境中获得的数据进行综合、分析，得出正确的结论，从而通过控制单元调节压缩机、风机和电子膨胀阀，使其根据现状迅速地做出反应，达到智能控制的效果，具有先进性、经济性、和实用性。

SRD has the both advantages that asynchronism motor frequency conversion dirve and direct current motor dirve have.Using TMS320LF2407 DSP for motor control, made in TI CO.

本文以TI公司的TMS320LF2407型号电机控制专用DSP芯片为主控制核心，研究设计了一套3KW开关磁阻电动机调速系统，并进行理论和实验分析。

In this paper, we present a frequency conversion electromotor system organized by voltage vector transducer and induction-motor.

本文研究了用电压矢量变频器和感应电动机构成的变频电动机系统。

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。