查询词典 frequency conversion

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。

Had deep technology to accumulate what go up with technical research and development to be thrown energetically just about, many industries and country " the first " in the sea the letter is born, multinomial core technology and sophisticated technology are captured by sea letter him person and master. 1996, air conditioning of the first frequency conversion of Chinese gets offline in sea letter; 2001, mobile phone of screen of color of the first CDMA of Chinese is born in sea letter; In June 2005, the video of the first own intellectual property treats field of Chinese sound video chip " letter core " in the sea the letter is born; In September 2007, product line of group of model of the first liquid crystal is in course of study of Chinese color television sea letter builds and put into production; In July 2008, TV of liquid crystal of illuminant of back of the first LED of the thinnest, China is in the whole world sea letter is born... some closer year come, because the sea believes these to hold to the ceaseless effort of own innovation enterprise, the home appliance trade that allows China was taken off " fruit dealer " cap, course of study of the state-owend enterprise in making tycoon of foreign home appliance right be filled with deep esteem, from " look down upon " mix to admiring look in succession and the olive that come.

正是有了深厚的技术积累和技术研发上的大力投入，多个行业和国家&第一&在海信诞生，多项核心技术和尖端技术被海信人自己攻克和掌握。1996年，中国第一台变频空调在海信下线；2001年，中国第一部CDMA彩屏手机在海信诞生；2005年6月，中国音视频领域第一块自主知识产权的视频处理芯片&信芯&在海信诞生；2007年9月，中国彩电业第一条液晶模组生产线在海信建成并投产；2008年7月，全球最薄、中国第一台LED背光源液晶电视在海信诞生……近些年来，因为海信这些坚持自主创新企业的不断努力，让中国的家电业脱掉了&水果贩子&的帽子，让国外家电巨头对中国企业肃然起敬，从&瞧不起&到钦佩的目光和纷纷而来的橄榄枝。

Since the frequency conversion technology was adopted,the serrice power rate of shunneng garbage power plant might be controlled within 20% in the great part of time.

文章介绍了顺能垃圾发电厂变频器的选型，变频控制电路及变频调速技术的应用效果。

In recent years, our company develop and produce the electric vehicle motors, AC servo motor explosion-proof, wind generators, oil motor, blower and pump frequency conversion motor, gearless elevator traction machine, such as permanent magnet synchronous motor of new products by the user's welcome .

近年来，我公司研制生产了电动车电机、防爆交流伺服电机、风力发电机、油田用电机、风机与水泵变频电机、无齿轮电梯曳引机等永磁同步电机新产品，受到用户的欢迎。

Frequency conversion magnetic field;sterilization;loop coil;iron bacteria

变频磁场；杀菌；线圈绕组；铁细菌

It is proved that, frequency conversion has excellent accent speed, a brake capability, high efficiency rate, great credit rate factor and joint electricity effect and other merits.

实践证明，变频调速具有优异的调速和起制动性能，以及高功率因素和高效率的节电能力等优点，而被国内外公认为最有发展前途的调速方式。

This control system also may according to need to increase the frequency conversion velocity modulation, to boils the cocoon machine rotation time to carry on the accuracy control, the control connection may with automatically match delivers the cocoon system joint, the realization entire boils the cocoon - silk reeling automatically to match delivers the cocoon the linkage.

该控制系统还可以根据需要增加变频调速，对煮茧机回转时间进行精确控制，控制接口可与自动配送茧系统联接，实现煮茧-缫丝全自动配送茧的联动。

Particularly paragraph 5 generation products WXG-frequency conversion governor without pressure (non-smoking Cheng) pressurized water pipe network equipment to be built pools, water tanks, passed 50%-90% without extensive phenomenon, saving investment, no two pollution, fully automatic operation, continuous water supply, and many other advantages, and create a water supply equipment direct contact in the water pipe precedent and surrounded by five ministries to the Ministry of Science and Technology, 2000 national focus of new products.

特别是第5代产品WXG型变频调速无负压管网增压供水设备，以不用建水池、水箱，节电50%-90%，无跑冒滴漏现象，节省投资，无二次污染，全自动运行，停电不停水等诸多优点，开创了供水设备可直接串联在自来水管道上的先例，并被科技部等5部委授予2000年度国家级重点新产品。

By contrasting and analyzing of various take-ups on belt conveyor . This design is mainly about automatic windlass tension station . Its drive part makes up into worm pair and gear driver . Windlass uses worm gear worm driving reel which binds wire rope to pull tight adhesive tape . In the meantime , it adopts the frequency conversion adjusting speed motor to control tensioning force .

通过对带式输送机各种拉紧装置的比较和分析，本设计主要是自动绞车式张紧装置的设计，其传动部分由蜗轮蜗杆传动和一对开式齿轮传动两部分组成，绞车用蜗轮蜗杆传动带动卷筒来缠绕钢丝绳，从而拉紧胶带，同时采用变频调速电机对张紧力进行控制。

Other eight wheels set in pair, which is urged by four frequency conversion motors through the transmission of the lazy wheel.

设计的轨道载重行走机有十二个车轮，其中前后四个仅起支承作用，另有八个车轮两个为一组，通过惰轮的传动，由四个变频电动机驱动。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。