查询词典 frequency converter

So the frequency converter RECEIVES FROM THE PLC an analague signal by an analogue output.

如此频率交换器接受从PLC 一个analague 信号由模拟输出。

That is to place aparallel reactor carrying on the energy feed back outside the main circuit of the frequency converter.

为了实现变频控制系统在抽油机节能中的应用，设计实现了一种新的方法来解决目前抽油机变频器应用中存在的能量回馈问题，即在变频器主电路之外并联一个电抗器进行能量回馈。

Crane switches, cable car switch, traffic switches, cam switches, CAM SWITCH, 10000 switch, modular optical plate, cross combination switch, light plate switches, change-over switch, switch boxes, etc.; air switch, there is paperless recorder , paperless recorder, infrared thermometer, PH measurement and control instruments, metering pump, frequency converter, PLC, man-machine interface and so on.

天车开关，吊车开关，行车开关，凸轮开关，CAM SWITCH，万轮转换开关，组合式光字牌，十字组合开关，光字牌开关，转换开关，开关盒等；空气开关，有纸记录仪，无纸记录仪，红外线测温仪，PH测量控制仪，计量泵，变频器，可编程序控制器，人机界面等等。

In order to resolve such question,an optic-fiber current measurement system with simple structure and suitable for high voltage frequency converter was developed based on Faraday effect and principle of optic -fiber current sensors,where a high circular bi-refractive optic-fiber coil was used as a current s...

鉴于光纤传感可以解决上述问题，基于偏振态调制的光纤电流传感器原理，研究一种适用于高压变频器的小巧的，基于法拉第磁光效应的高圆双折射光纤电流检测系统，用Jones矩阵对光纤系统进行分析。

Demonstrates composition and function of a constant pressure water-supply system controlled by PLC and frequency converter as well as the design of each function module.

阐述了基于PLC和变频器控制的恒压供水系统的组成、功能及各功能模块的设计方法。

This paper is practical for frequency converter design and application.

本文对于变频器的设计与应用，具有一定的现实指导意义。

This circuit has been applied in development of high voltage frequency converter successfully.

该电路已经在高压变频器的开发中得到应用。

It is consisted of two circuits: the high frequency converter and the electromagnetic switch contact state sensing circuit without any sensor.

提出了一种互补式开关新技术，它由两个新电路构成，即高频开关变换器与电磁开关触点状态无传感器实时采样电路。

The function of the frequency converter was tested and the result proved the reasonableness and feasibility of the design.

论文最后通过整机性能测试验证了设计的合理性和可行性。

Detailed introductions were made to the application in frequency converter for unit series multi-electrical level, power bus, micro-computer control and artificial intelligence, total digitalized optical fiber control and power unit standard modulization, insulated grid bipolar transistor drive circuit intelligentize etc.

介绍了变频器的市场情况以及变频技术的现状，详细介绍了单元串联多电平、功率母线、微机控制和人工智能、全数字化光纤控制以及功率单元标准模块化、绝缘栅双极晶体管IGBT驱动电路智能化等技术在变频器上的应用。

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。