Based on the experiences , credible and steady driving circuits for ipm have been designed . the researches on the capabilities of the fault detection and fault signal output and fault signal characteristics help me design the fault - disposing circuit and relevant subroutine . so capabilty of fault - disposing in inverter is enhanced 并且，利用ipm的故障检测与输出功能及故障输出信号的特性，设计了故障处理电路及处理程序，从而增强了变频调速器处理故障的能力，并提高了智能性。
Applying virtual instrumentation technology , the author designed the hardware and software of the blower performance testing system . in the hand of hardware , testing data is acquired automatically according to press - difference sensor , press sensor and torch sensor ; blower speed is adjusted automatically according to frequency conversion of transducer and working state is auto controlled according to rotating baffle controlled by the step motor 硬件上采用压差传感器、压力传感器和扭矩传感器检测各试验数据，实现了试验数据的自动采集；利用变频调速技术控制变频调速器输出信号的频率，实现了风机转速的自动调节；通过设置旋转挡板装置并用步进电机控制其旋转角度实现了风机运行工况的自动控制。
The article in lead - zinc mineral tailing transmission pumps electric motors automatic control system of huang - shaping , for example , a detailed account of the system frequency conversion governor , ultrasound liquid position controller design models , debugging points and parameters set methods , and energy saving effect of a careful analysis 摘要文章以黄沙坪铅锌矿尾矿输送泵电动机自动控制系统为实例，详细介绍了系统中变频调速器、超声波液位控制器的设计选型、调试要点和参数设定方法，并对节能效果进行了认真分析。
As the key role of vehicle revolution , the electrical motorcycle drive system has many shortcomings such as low energy efficiency , short running distance within once charge , etc . i n this paper , based on studying the traditional bi - directional energy converters of dc drives , a novel energy saved electrical motorcycle ac drive is presented 环境保护和能源问题是二十一世纪“绿色革命”的两大主题，电动车作为汽车“绿色革命”的主角，存在着能量使用率低、一次充电行驶里程短等问题。本文通过研究直流调速系统双向功率变换电路，提出一种zczvsboost双向dc dc变换器与vvvf变频调速器相结合，驱动鼠笼型异步电机的节能型电动车交流驱动系统。
The core products include telecom power systems , board mounted power supplies , custom power supplies , ups , precision air conditionings , outdoor shelter solutions , automatic transfer systems , network power protection products , vrla batteries , lv & precision distribution cabinets , centralized power and environment monitoring systems , dc power systems and ac motor drive inverters used in electric utility power systems 艾默生网络能源产品涉及通信电源、印刷板板装电源、客户定制电源、 ups 、机房专用精密空调、户外一体化通信机柜、自动切换开关、动力网络保护产品、蓄电池、低压配电和精密配电柜、动力设备及环境监控系统、电力操作电源、交流变频调速器等领域。
Discussing the network - control function of inverters with two kinds of methods : one is computers control inverters basing on the self - definition protocol through rs485 serial port ; the other is connecting the inverter which is controlled by the master to the fieldbus network through interfaces 对于交流变频调速器的网络控制功能讨论了两种方式：一种是用上位机通过rs485的串行通信以自定义协议控制交流变频调速器；另一种是用总线通信适配器将交流变频调速器挂接在现场总线网络中由主站进行控制。
The spindle is supported by high - accuracy rolling bearing ; the frequency governor imported from abroad is used in the main drive system to realize stepless speed regulation and constant linear cutting functions ; the bed is supersonic frequeney hardened , plastic coated guide ways are used for the carriage ; and stepping motor of acservo motor are used x and z axis to realize feed movement via the ball screws 主轴采用高精度的滚动轴承支承；主传动采用进口变频调速器，实现无级调速功能及恒线速切削功能；床身采用超音频淬硬处理，采用贴塑导轨； x轴和z轴均采用步进或伺服电机，通过滚珠丝杠，实现进给运动。
