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control frequency中文是什么意思

  • 控制頻率

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  • 例句與用法
  • External voltage controlled frequency function
    外部電壓頻率控制功能vcf
  • Application of stationary compress control frequency converted regulating speed system for air compressor station
    恒壓縮控制變頻調速系統在空氣壓縮機站的應用
  • Change to departure control frequency 118 . 1 after airborne . caution for possible turbulence from the dc8 just departed 3 minutes ago
    離地后換至118 . 1起飛管制頻率。注意, dc8剛起飛3分鐘,可能有顛簸。
  • This paper has introduced briefly a kind of simple practical method that uses the export interface of spindle of the sinumerik 802c numerical control system to control frequency converter
    摘要簡要介紹了利用西門子802c數控系統的主軸輸出口控制變頻器的一種簡單實用的方法。
  • The interface utilizes the high - speed pu lse function of plc basic unit to realize the control frequency of pulse , pwm regulate voltage and to make use of drivers of step motor control step motor
    利用plc主機模塊的高速脈沖輸出功能,控制脈沖頻率的發生、 pwm脈寬電壓的調節,并通過步進電機驅動器實現對步進電機高效控制。
  • Some problems are solved in applying to produce . 1 ) to test piezoelectric wafer ' s saw transmission speed . use sorts of wafers having different speed during produce , controlling frequency consistency
    在生產運用中,主要解決以下幾個問題: 1 )對壓電基片的saw傳播速度無損測量,在生產中對不同速度的晶片進行分類使用,應用于生產以便對頻率一致性進行控制。
  • Following this conclusion , various kind of ac speed control rules have been analyzed with the favor given to the self - controlled frequency regulation drive . machine model for doubly fed power generation has been given and control equations are discussed
    其次,借鑒各種交流調速方法,研究電機雙饋發電運行的模型和控制手段,采用自控式調頻,提出了繞線轉子雙饋發電機的矢量控制策略。
  • Constant stator magnetic linkage control frequency converter includes power devices utilizing igbt , drive circuit using three - phase drive ic with multiple protection functions . pwm signal formation circuit in the way of voltage space vector control and realized with pld ( programmable logic device ) devices and compensation for the influence of supply voltage variation and stator resistance voltage drop
    其中,恒定子磁鏈控制變頻器的設計中主電路采用功率器件igbt ;驅動電路采用三相多功能集成驅動芯片; pwm脈寬調制信號產生電路采用電壓空間矢量控制方式,由pld器件實現;對電源電壓變化及電阻壓降造成的影響進行了補償。
  • With the conduction property of the triggered thyristor and the intellective numerical controlled frequency reduction of the triggering pulse by mpu , we can divide alternating current into several complete sinusoidal waves to supply some loads . it can be made as a controller or a pcb ware , which is suitable for the air conditioning , machine tool and various instruments that require electric power or rotate speed adjustment
    利用晶閘管的觸發導通特性,用單片機對觸發信號進行智能數字降頻,可在交流電中切分出部分完整的正弦波形供負載使用,可以單獨做成一臺控制儀器或者作為一個控制電路板用于需要電功率和轉速調節的空調、機床以及各類儀器設備中。
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