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- A mismatch in real power results in a frequency deviation. 有功的不平衡將會(huì )引起頻率的偏移。
- Impact in power frequency variation. 頻率變化之影響。
- Transmitting frequency deviation of high frequencyE? 高頻制頻率時(shí)的發(fā)射頻偏?
- XU Tai-shan,XUE Yu-sheng.Quantitative assessments of transient frequency deviation acceptability[J].Automation of Electric Power Systems,2002,26 (19):7-10. [7]徐泰山;薛禹勝.;暫態(tài)頻率偏移可接受性的定量分析[J]
- The main contents of power energy include frequency deviation, voltage deviation, voltage fluctuation and flicker, voltage unbalance, temporary or transient over-voltage, wave distortion, voltage dips and interruption, power supply reliability and so on. 電能質(zhì)量的內容包括頻率偏差、電壓偏差、電壓波動(dòng)與閃變、三相不平衡、暫時(shí)或瞬時(shí)過(guò)電壓、波形畸變、電壓暫降與短時(shí)中斷以及供電連續性等。
- Measurements: Bit Error Ratio, Word Error Ratio, Carrier Power, Power versus Time, Centre Frequency Accuracy, Frequency Deviation, Frequency Drift, Timing Jitter, Audio Measurements. 非常感謝您對本公司的關(guān)注！如果您需要了解（產(chǎn)品型號+名稱(chēng)，自動(dòng)調用）更詳細的資料，請填寫(xiě)以下表單，我們將以最快的速度與您取得聯(lián)系！
- A developed linear VCXO with wide frequency deviation has acquired better results. 研制的寬頻偏線(xiàn)性壓控晶體振蕩器取得了較好的結果。
- A new scheme to suppress carrier frequency deviation for PCM/FM telemetry digital receiver is presented. 摘要討論了一種PCM/FM遙測數字接收機的載波頻偏抑制方法。
- The analysis on the relationship of the center frequency deviation and the microstrip open-end effect is given. 同時(shí)分析了導致這種偏移的原因，并闡述了該方法的理論基礎。
- The disconnector shall operator at the power frequency short circuit while MOA's failure under the abnormal conditions. 避雷器帶脫離的目的是當避雷器在異常情況下發(fā)生故障損壞時(shí)，工頻短路電流使脫離器工作，脫離器接地端自動(dòng)脫開(kāi)，使故障的避雷器與系統脫離，并表明故障避雷器更換。
- A review on the study on power frequency electromagnetic field hazards to organisms. 工頻電磁場(chǎng)生理危害的研究進(jìn)展。
- The New Techniques Development of High Voltage High Power Frequency Converter of ABB Co. ABB高壓大功率變頻器的最新技術(shù)發(fā)展
- The over-current relay works to protect oscillation tubes and rectifier, when the current exceeds its limits. Frequency deviation caused by faulty operation is also prevented. 當電流超過(guò)限制值時(shí),過(guò)負荷電流繼電器自動(dòng)保護振蕩管和整流器,同時(shí)可以避免由不當操作所引起的頻率漂移。
- When the frequency changer has malfunction, power frequency is adopted, and the motor speed is nonadjustable. 萬(wàn)一變頻器出現故障時(shí)，可工頻驅動(dòng)，轉速不可調。
- It is pointed out that the power frequency electromagnetic field is inductive field,but not radiation field. 對輸變電工程工頻電磁場(chǎng)、無(wú)線(xiàn)電干擾進(jìn)行了理論分析,指出輸變電工程工頻電磁場(chǎng)是感應場(chǎng),而非輻射場(chǎng)。
- The kw, voltage and frequency deviation to be measured and recorded when the load is changed in the following order without adjusting the governor control switch and VR notch. 鎖定頻率調節開(kāi)關(guān)和電壓調節開(kāi)關(guān)，按下列順序調節發(fā)電機負荷，測量并記錄功率、電壓和頻率同額定值的偏差值。
- The average EEG(AEEG) increased while the average mean power frequency (MPF) and comprexity of EEG decreased in muscle fatigue. 肌肉疲勞過(guò)程中平均腦電值(AEEG)均值增加,平均功率頻率值(MPF)和腦電信號復雜度[C(n)]均值下降,該現象廣泛分布于整個(gè)大腦皮層;
- Review neutral line potential shift protecto,rdepict mostly index of power frequency overvoltage 、 undervoltage and electric surge protection. 通過(guò)對中性線(xiàn)電位偏移保護器的回顧,簡(jiǎn)述了中性線(xiàn)電位保護器的設計思想和工頻過(guò)、欠電壓保護的主要指標。
- The principle of arc-suppression coil with three phases and five columns,and theory of power frequency extinguishing arcing were introduced. 介紹了三相五柱式消弧線(xiàn)圈的工作原理,單相電弧接地過(guò)電壓的工頻熄弧理論。
- For three-phase AC power supply systems and locomotive converter complex and electric locomotives gradually tend to adopt a one-way AC power frequency. 因三相交流供電系統和機車(chē)變流裝置復雜，電力機車(chē)逐漸趨向采用工頻單向交流電。
