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 直流功率 [zhí liú gōng shuài添加此单词到默认生词本
direct-current power

  1. 熟悉项目中的高、中、低压配电系统和功率因素补偿研究及谐波分析,UPS和直流电气系统,功率计量,相关计算(包括短路计算和保护装置协调分析,照明保护计算,发电机功率计算等)。
    Be familiar with HV, MV and LV power distribution systems and power factor correction study &harmonic analysis, UPS and DC power systems, power fiscal metering, and all necessary calculations to one project including short circuit calculation and protective device coordination study, lightning protection calculation, generator power calculation etc.
  2. 针对这一现象,在分析产生声谐振的必要条件的基础上,重点提出了利用前级有源功率因数校正电路的直流母线脉动电压的调制方案。
    With an aim at this problem, this paper suggests the modulation scheme with DC bus voltage ripple by using the front-end active power factor correct circuit based on the analysis of necessary conditions of producing acoustic resonances.
  3. 实验结果显示,本论文之全桥式功率转换器与升压/降压直流截波器并联供电时,输出电压可达340V以上,输出功率约为800W,同时,当燃料电池之输出电压因负载而改变时,本论文所提出之滑动模式控制器能使直流链电压具有较快速的响应及强健性。
    The result shows that, when the full-bridge power converter is joined with boost/buck DC chopper in parallel, it can serve a DC voltage of over 340V and a power of 800W, meanwhile, as output voltage of the fuel cells changes due to loadings, the sliding-mode controller can cause more rapid responses and robustness to the DC bus voltage source.



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