| 詳細(xì)參數(shù) | |||
|---|---|---|---|
| 品牌 | foxboro | 型號 | P0916PWOC |
| 結(jié)構(gòu)形式 | 模塊式 | 安裝方式 | 控制室安裝 |
| LD指令處理器 | 硬PLC | 功能 | 模塊 |
| 工作電壓 | 12.5-42VDC | 產(chǎn)品認(rèn)證 | CE |
| 環(huán)境溫度 | 0至,60°C | 環(huán)境濕度 | 5至95%,非冷凝 |
| 加工定制 | 否 | 產(chǎn)地 | 美國 |
FOXBORO P0916PWOC
P0916PWOC基于轉(zhuǎn)差頻率的矢量控制方式與轉(zhuǎn)差頻率控制方式兩者的定常特性一致，但是基于轉(zhuǎn)差頻率的矢量控制還要經(jīng)過坐標(biāo)變換對電動(dòng)機(jī)定子電流的相位進(jìn)行控制，使之滿足一定的條件，以消除轉(zhuǎn)矩電流過渡過程中的波動(dòng)。因此，基于轉(zhuǎn)差頻率的矢量控制方式比轉(zhuǎn)差頻率控制方式在輸出特性方面能得到很大的改善。但是，這種控制方式屬于閉環(huán)控制方式，需要在電動(dòng)機(jī)上安裝速度傳感器，因此，應(yīng)用范圍受到限制。
無速度傳感器矢量控制是通過坐標(biāo)變換處理分別對勵(lì)磁電流和轉(zhuǎn)矩電流進(jìn)行控制，然后通過控制電動(dòng)機(jī)定子繞組上的電壓、電流辨識轉(zhuǎn)速以達(dá)到控制勵(lì)磁電流和轉(zhuǎn)矩電流的目的。這種控制方式調(diào)速范圍寬，P0916PWOC啟動(dòng)轉(zhuǎn)矩大，工作可靠，操作方便，但計(jì)算比較復(fù)雜，一般需要專門的處理器來進(jìn)行計(jì)算，因此，實(shí)時(shí)性不是太理想，控制精度受到計(jì)算精度的影響。
P0916pwoc vector control based on slip frequency has the same steady characteristics as slip frequency control, but the vector control based on slip frequency also controls the phase of motor stator current through coordinate transbation to meet certain conditions, so as to eliminate the fluctuation in the process of torque current transition. Therefore, the vector control b based on slip frequency can greatly improve the output characteristics than the slip frequency control b. However, this control mode belongs to the closed-loop control mode, and the speed sensor needs to be installed on the motor. Therefore, the application range is limited.
speed sensorless vector control controls the excitation current and torque current respectively through coordinate transbation, and then identifies the speed by controlling the voltage and current on the motor stator winding, so as to control the excitation current and torque current. This control mode has wide speed regulation range, large p0916pwoc starting torque, reliable operation and convenient operation, but the calculation is relatively complex, which generally requires a special processor for calculation. Therefore, the real-time perbance is not ideal, and the control accuracy is affected by the calculation accuracy.
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