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- Power frequency dry withstand voltage kv 工頻于耐受電壓
- Impact in power frequency variation. 頻率變化之影響。
- Using Portable power frequency electric quantity test instrument as co ntrolled equipments can measure and control equipments on-line by the pocket PC . 采用便攜式工頻電量測試儀作為受控設備,利用掌上電腦對受控設備進(jìn)行在線(xiàn)測量和控制。
- The test results in this paper show that ZnO arrestor unit with a series gap for transmission lines is able to cut off power frequency current quickly before the circuit breaker operate. 試驗研究證實(shí)：氧化鋅限流元件串聯(lián)放電間隙能夠在斷路器動(dòng)作之前，快速截斷工頻續流。
- To measure exhaled air volume of each EBC sample collected accurately, a dry test gas meter was added at the end of the EBC collecting device. 將乾式氣體流量計架設于采樣系統的末端，用于準確測量采集EBC時(shí)受試者的呼氣體積。
- 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。
- Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies (10. 固體電絕緣材料在工業(yè)電源頻率下的介電擊穿電壓和介電強度的試驗方法(10。
- 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
- 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 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。
- This Y101D product is fitted for curing test, drying test and moisure content test and high temperature test.Temperature is controlled by digital-display attemperation instrument. Y101D本產(chǎn)品適用于烘培、干燥、含水率測試，高溫試驗。由數顯溫控儀自動(dòng)控制您所需要的溫度，是各行業(yè)必需的理想的設備。溫控范圍：50-300攝氏度。
- Secondly, two classical models of distributed parameter DLSP: power frequency model and time-domain model.Based on these two models dynamic phasor model has been deduced. 其次，本文分析了同桿雙回線(xiàn)分布參數的兩種經(jīng)典模型：工頻量模型和時(shí)域模型，并在此基礎上推導了時(shí)變動(dòng)態(tài)相量模型。
- A series of microwave drying tests on potato slices were conducted, the dehydrating characteristic and power consumption characteristic were obtained. 通過(guò)對微波干燥馬鈴薯片的特性研究,得出了在微波干燥條件下馬鈴薯片的失水及耗電特性。
- S.L. Lu, C.E. Lin, and C.L. Huang, "Power frequency harmonic measurement using integer periodic extension method," Electric Power Systems Research, vol. 44, 1998, pp. 107-115. 葉迺昆，電力諧波頻譜分析之改善，國立中山大學(xué)電機工程學(xué)系碩士論文，民國八十七年六月。
- The king was shorn of his power by his nobles. 國王被手下的貴族們剝奪了權力。
