power-frequency test 中文意思是什麼

power-frequency test 解釋
功率-頻率試驗
  • power : n 1 力，力量；能力；體力，精力；（生理）機能；〈常 pl 〉才能。2 勢力，權力，權限；威力；政權；權...
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  • test : n 1 檢驗，檢查；考查；測驗；考試；考驗。2 檢驗用品；試金石；【化學】試藥；（判斷的）標準。3 【化...
  1. Insulating liquids - determination of the breakdown voltage at power frequency - test method

    絕緣液體.電源頻率擊穿電壓的測定
  2. General technical specification of test instruments used for power equipments part 4 : very low frequency high voltage generator

    電力設備專用測試儀器通用技術條件.第4部分:超低頻高壓發生器
  3. The design process consisted of computer design by circuit simulation software integrate with electromagnetic simulation software, fabrication of microstrip bpf 、 lpf 、 the match circuits, cavity and test. when rf frequency is 91 ~ 97ghz, lo frequency is 47ghz, power is 10 dbm. the best conversion loss of the 2 and 4 sub - harmonic mixer is 13. 5 db and 23. 5db which is shown in the test

    實測表明，在本振為47ghz ，功率10dbm ，測試射頻帶寬為91ghz 97ghz時，二次與四次分諧波混頻器變頻損耗最優處分別為12 . 7db和23db 。最後對實驗結果進行分析並提出改進措施。
  4. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律，並耦合進氣畸變的影響，同時與壓氣機氣動性能和氣動穩定性相關聯，作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機（ lsc ）試驗器，採取在靜子葉片表面埋入動態壓力傳感器的實驗方法，對葉尖、葉中和葉根三個截面的動態壓力進行了測量，獲得了大量的可靠的實驗數據。
  5. Windings d. c. resistance measurement, measurement of impedance voltage and on - load loss, measurement of no - load loss and on cload current, power frequency withstand voltage test, inductive voltage with standing test, measurement of partial discharge level, inspection of appearance and dimension inspection of name plate

    直流電阻測試匝數比測量及電壓矢量關系的校定阻抗電壓及負載損耗的測量空載損耗及空載電流的測量工頻耐壓測試感應耐壓測試絕緣電阻測試局部放電測試外觀和尺寸的檢驗銘牌的檢驗等。
  6. We design the qmf based on the criteria of minimum frequency bandwidth and the qmf that possess linear phase, and give a example of a signal decomposed and restructured. 4. in the research of channel dropping filters, we use 5 rank butterworth filter to approach the digital filter. we design lc unpower netwok and rc power network. we manufacture lc lowpass and highpass filter ， and test their performance ; we simulate the appliance of the channel dropping filters in the system

    4 .在頻帶分割濾波器的設計方法中，用5階巴特沃斯濾波器逼近最小頻寬正交鏡像濾波器，對無源和有源濾波器進行了模擬設計；設計並製作了無源lc低通和高通濾波器，測試了它們的性能；並對分割濾波器在系統中的應用進行了計算機模擬。
  7. By improving surface condition of parts and one shot seal - off clean room grade, using ultrasonic vapor phase cleaning process, the inner parts of vacuum interrupter get cleaner. movable particles have been diminished by automatic current ageing, power frequency hi - voltage ageing and dynamic high current ageing. as the dielectric strength of clearance in vacuum interrupter improved, the probability of re - ignition in test drops evidently

    通過提高零件表面加工質量，改善一次封排間的真空衛生條件、制定合理的超聲波氣相清洗工藝提高管內潔凈度，採用自動電流老煉、超高壓工頻老煉、大電流動態老煉等工藝進一步消除真空滅弧室內活動性微粒，可提高真空滅弧室真空間隙介質強度，使真空開關投切電容器組的重燃率大大降低，並通過實驗驗證真空開關投切電容器組的重燃率在製造工藝改進後由原來的10 . 7 %降低至1 . 3 % 。
  8. Test method for electric of insulating adhesive tape at power frequency

    絕緣膠粘帶工頻擊穿強度試驗方法
  9. Test method for electric strength of insulating adhesive tape at power frequency

    絕緣膠粘帶工頻擊穿強度試驗方法
  10. Research and development of portable power frequency insulation test system

    便攜式工頻絕緣試驗系統研究開發
  11. Rated power frequency withstand voltage one minute dry test wet test phasing to ground 95 85

    額定工頻耐受電壓1min kv對地干試濕試95 85
  12. Emc electromagnetic compatibility - testing and measurement techniques - power frequency magnetic field immunity test - basic emc publication

    電磁兼容性.第4部分:試驗和測量方法.第8節:電源頻率磁場抗擾試驗.基本電磁兼容性
  13. Emc electromagnetic compatibility ; part 4 : testing and measurement techniques ; section 8 : power frequency magnetic field immunity test ; basic emc publication

    電磁兼容性.第4部分:試驗和測量方法.第8節:電源頻率磁場抗擾試驗.基本電磁兼容性
  14. Electromagnetic compatibility - testing and measurement techniques - power frequency magnetic field immunity test

    電磁兼容試驗和測量技術工頻磁場抗擾度試驗
  15. Electromagnetic compatibility - part 4 - 8 : testing and measurement techniques ; power frequency magnetic field immunity test

    電磁兼容性.第4 - 8部分:試驗和測量方法.電源頻率磁場抗擾試驗
  16. Electromagnetic compatibility - part 4 - 8 : testing and measurement techniques - power frequency magnetic field immunity test

    電磁兼容性.第4 - 8部分:試驗和測量技術.電源頻率磁場抗擾性試驗
  17. General technical specification of high voltage test devices part 2 : power frequency high voltage test device

    高壓試驗裝置通用技術條件.第2部分:工頻高壓試驗裝置
  18. The results show that this testing system is fit for the test of dc signals, lower frequency signals and power frequency signals

    結果表明，該測試系統不僅適合於直流信號的測試，而且同樣適合於低頻信號、工頻交流信號的測試。
  19. Test methods for communication cable - test for ideal screening factor measured at power frequency

    通信電纜試驗方法工頻條件下理想屏蔽系數試驗
  20. Test of power - frequency withstand voltag

    工頻耐壓試驗
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