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關注：1
2013-05-23 12:21
求翻譯：本系統包含兩臺變頻風機，它們組成變頻循環運行方式。采用變頻器實現對風機電機的軟啟動和變頻調速，運行切換采用“先啟先?！钡脑瓌t。溫度傳感器檢測當前回風溫度信號，送入PLC與設定值比較后進行PID運算，從而控制變頻器的輸出電壓和頻率，進而改變風機電機的轉速來改變供風量，最終保持室內的溫度穩定在設定值附近。通過工控機與PLC的連接，以及通過RS485將PLC與變頻的連接，采用組態軟件完成系統監控，實現了運行狀態動態顯示及參數、報警的設定和查詢等。是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
本系統包含兩臺變頻風機，它們組成變頻循環運行方式。采用變頻器實現對風機電機的軟啟動和變頻調速，運行切換采用“先啟先?！钡脑瓌t。溫度傳感器檢測當前回風溫度信號，送入PLC與設定值比較后進行PID運算，從而控制變頻器的輸出電壓和頻率，進而改變風機電機的轉速來改變供風量，最終保持室內的溫度穩定在設定值附近。通過工控機與PLC的連接，以及通過RS485將PLC與變頻的連接，采用組態軟件完成系統監控，實現了運行狀態動態顯示及參數、報警的設定和查詢等。
問題補充： |
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2013-05-23 12:21:38
The system consists of two variable frequency fans, they are composed of frequency conversion cycle run. The inverter is used to achieve the soft-start and frequency control on the fan motor, run the switch using the principle of "first initial first stop". Temperature sensor detects the return air
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2013-05-23 12:23:18
This system consists of two variable speed blower, they run in a loop variable frequency composition. A frequency converter for the blower motor soft-start, and frequency control, and run the switch with the first initial first down" principle. Temperature sensors detect the current return air tempe
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2013-05-23 12:24:58
This system contains two frequency conversion air blowers, they compose the frequency conversion shuttle service way.Uses the frequency changer realization to the air blower electrical machinery soft start and the frequency conversion velocity modulation, the movement cut use “first opens stops firs
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2013-05-23 12:26:38
This system contains two inverter fan, that make up the frequency cycle runs. Frequency inverter based on soft start of fan motor and variable speed, run switch "inception to stop" principle. Temperature sensor to detect the current air temperature signal comparison set values for PID and PLC operat
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2013-05-23 12:28:18
正在翻譯，請等待...
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