frequency converter造句
one-out-of-eight audiovideo frequency converter
Application of frequency converter on modern weaving machinery
A design and test of 2cm up-frequency converter
Common fault analysis and preventive measures of frequency converter
The frequency converter consists of main circuit and control circuit.
With this technique, the effect of equivalent high switching frequency converter has been obtained with low switching frequency converter.
A spinning machine, especially a ring spinning frame, includes at least one driver started via one frequency converter and one central control unit for starting the frequency converter.
The theoretical circuit,gain and selectivity of the regenerative frequency converter;
Application and study of frequency converter in energy saving technique of heating boilers;
Application of CROWBAR in AC frequency converter drive system for rolling mill
Discussion of resuming automatic restart function while high voltage frequency converter is power off
The testing system was mainly composed of PLC, MMI, frequency converter, approach switch and acceleration transducer.
Siemens PLC S7-200 as the control center, Anchuan F7 frequency converter as the implementation devices, it realizes changing frequency velocity modulation control for automatic washing machine.
The application of frequency converter in powder dryer system based on variable frequency speed control of powder inverter, powder ventilator and smoke ventilator are presented in the paper.
The paner intrdue the application of frequency converter in improving crude oil Stabilization unit and it's operating situation.
The principle of the frequency converter reaches, its function and its saving energy reconstruction were introduced and discussed.
Application of PLC in the speed control system of frequency converter in the main hoist of blast furnace;
The speeds of adhesive-binding& adhesive-wheel can get adjustable speed out of grade control by the frequency converter according to the need of arts& crafts.
Based on the static characteristics of induction motor, this paper analyzes the braking function of general voltage vector controlled frequency converter.
Two-step drive device make the force-enduring reasonable, and the frequency converter control the motor, it is easier to adjust the speed of spindle.
These high frequencies correspond to the rotation speeds of centrifuges; America tightly controls the export of frequency converter drives able to operate at frequencies above 600 Hz.
The insulation class F or class H . The insulation of open-loop U/f condition of . structure has the adaptability to high carrie frequency voltage supplied by frequency converter .
It can be used in pipe installation buffer type check valve or pump motor use frequency converter and method of soft starter control to reduce the water hammer effect.
The principle of in frequency converter using large high-voltage power electronic device IGBT was discussed. And the cause of fault was analyzed as well as the lesson should be learned.
At the same time, the automatic energy-saving mode frequency converter LG, can make the motor in the meet load torque requirements to minimum current operation, to reach better energy saving effect.
As the result of simulation, it is pointed out that the converting point must be carefully chosen when corner folding modulation method or intermediate pulse displacement method is used to convert the output voltage waveform of high power frequency converter into square waveform.
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灵寿造句
1、大眼睛瘦脸庞,看到精灵寿命长。2、灵寿有众多的人文古迹和自然景观。3、韩宗文,北宋,原籍灵寿今属河北。4、鸾鸟自歌,凤鸟自儛,灵寿实华,草木所聚。5、曾率兵攻取中山,因功被封在灵寿,乐羊死后,葬于灵寿,从此乐氏子孙便世代定居在这里。6、河北灵寿县*局被指以假拘留...
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断幽造句
1、夜漫漫,心绫罗,愁红落雪,飞花飘,梦断幽兰,魂玉碎。2、加强科普知识宣传,阻断幽门螺旋杆菌传播途径,及时治疗幽门螺旋杆菌感染的患儿等有关措施。3、这四路大*中,至关重要的潘美和杨继业所统领的西路大*,这路大*虽然是直接攻打云州,可是这股*队真正的意图是先行北上,继...
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百眼魔造句
1、赫拉便将牛犊托付给百眼魔鬼阿刚斯看管。2、但是赫拉看穿了宙斯的计谋,她向宙斯要了这头小牛,让百眼魔鬼阿古斯看管她,以防她逃跑。...
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