component adj. 構(gòu)成的,組成的,合成的,成分的。 component motion 【物理學(xué)】分運(yùn)動(dòng)。 component part 組成部分。 n. 部分,成分;【物理學(xué)】分力,分向量;【自動(dòng)化】元件,組件,部件。 component of force 【物理學(xué)】分力。 component (star) 【天文學(xué)】子星。 components of cost (各種)生產(chǎn)費(fèi)用。
3 . the dissertation proposes the extended kalman filter based to estimate the fundamental symmetrical component of the ps and the frequency while the frequency is unknown 在電動(dòng)機(jī)變頻調(diào)速系統(tǒng)的頻率未知條件下,給出了基本正序?qū)ΨQ(chēng)分量和頻率估計(jì)的擴(kuò)展卡爾曼濾波方法。
At first , this paper use the theory of symmetrical components method analyse varieties of symmetrical and asymmetrical faults of motor , and adopt the measuring method of negative and zero sequence . especially study deeply in the overload protection 本文首先采用對(duì)稱(chēng)分量法理論分析了電機(jī)的各種對(duì)稱(chēng)性故障和不對(duì)稱(chēng)性故障,在應(yīng)用中采用了負(fù)序和零序電流的檢測(cè)方法,特別在過(guò)載保護(hù)上進(jìn)行了深入的研究。
The device can protect the large - scale synchronous motor perfectly . the protection device makes the mature theory such as the over - current value detection , symmetrical component principle and so on as protection criterions and uses the advanced digital signal processor in the device 該保護(hù)裝置運(yùn)用較為成熟的保護(hù)理論和先進(jìn)的數(shù)字信號(hào)處理器,把判過(guò)電流幅值與對(duì)稱(chēng)分量法理論相結(jié)合,準(zhǔn)確實(shí)現(xiàn)同步電動(dòng)機(jī)保護(hù)所要求的各項(xiàng)保護(hù)功能。
Aiming at the unsymmetrical three phase voltages from inverter after a failure , the dissertation get the relationship among the positive sequence ( ps ) , negative sequence ( ns ) and the instantaneous symmetrical component of the ps , this build the foundation to detect the fault and to get the fault feature 針對(duì)逆變器故障后的電壓輸出的不對(duì)稱(chēng)性,利用對(duì)稱(chēng)分量法對(duì)逆變器輸出信號(hào)進(jìn)行分析,獲得了逆變器輸出信號(hào)的數(shù)字信號(hào)模型,為變頻調(diào)速系統(tǒng)的故障檢測(cè)與故障特征提取奠定了基礎(chǔ)。 3