variable-frequency drive造句
例句與造句
- Direct torque control ( dtc ) , which developed after the field - oriented control , is a novel and high - performance control strategy for ac variable - frequency drives
摘要直接轉(zhuǎn)矩控制技術(shù)是繼矢量控制技術(shù)之后的一種新型高性能的交流變頻調(diào)速技術(shù)，它以轉(zhuǎn)矩響應(yīng)快、結(jié)構(gòu)簡(jiǎn)單明了、魯棒性好等一系列優(yōu)點(diǎn)受業(yè)界人士的廣泛關(guān)注。 - Data acquisition card pcl813 gathers the data transmitted by the testing scene ’ s each sensor , and then the data are transmitted to the industrial personal computer ( ipc ) by the data bus pci of ipc , rs232c realizes the serial communication between the ipc and lower position machine plc , plc controls the performance examination system of agricultural products processing machines , rs485 realizes the serial communication between plc and the variable - frequency drive ( vfd ) , vfd changes the alternative variable frequency motor ’ s frequency , thus which control the flow of raw materials
通過數(shù)據(jù)采集卡pcl813采集現(xiàn)場(chǎng)各個(gè)傳感器傳來的數(shù)據(jù),然后通過工控機(jī)的pci數(shù)據(jù)總線把數(shù)據(jù)傳給上位工控機(jī),工控機(jī)與下位機(jī)plc之間采用rs232c進(jìn)行串行通信, plc控制農(nóng)產(chǎn)品加工機(jī)械的性能檢測(cè)系統(tǒng), plc與變頻器之間通過rs485串口通信,變頻器通過改變交流變頻電動(dòng)機(jī)的頻率從而控制交流異步電動(dòng)機(jī)的轉(zhuǎn)速,從而控制原料的流量。 - It's difficult to find variable-frequency drive in a sentence. 用variable-frequency drive造句挺難的