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- Traditional methods only can settle power quality problems partially. 传统解决电能质量问题的措施往往只能消除某个方面的危害。
- Over last years, new systems have been developed to mitigate these perturbations and improve power quality. 近年来,为了减轻这些扰动和提高供电质量,新的系统被研制。
- Research and development of digital acquisition board used for power quality detection. 用于电能质量检测的数据采集卡研制。
- Measurement and Assessment of Power Quality Characteristics of Grid Connected Wind Turbines Ed. 并网风力发电机组功率质量特性测试与评价。
- Pure Output Power Quality: Double Conversion. It provides clean and consistent sine wave output. 纯净化输出电源品质:双重电力转换,提供纯净可靠的正弦波电力输出。
- G. T. Heydt, Electric Power Quality, Stars in a Circle Publications, West LaFayette, IN,1991. 江荣城、严世雄、刘志放,电力系统谐波量测与谐波管制办法检讨,台湾电力公司八十二年度研究发展专题。
- A multiclass support vector machine suitable for short duration power quality disturbance is designed. 设计了适用于短时电能质量扰动的支持向量机多值分类器。
- Current power quality monitoring devices are mostly designed based on microprocessor. 目前的电能质量监测装置大多基于微处理器设计。
- Bollen M H J.Understanding power quality problems,voltage sages and interruptions [M],New York. 吴竞昌,孙树勤,宋文南,等。电力系统谐波[M],北京:水利电力出版社,1998。
- Bollen M H J.Understanding power quality problems,voltage sages and interruptions [M],New York.IEEE PRESS,2000. 吴竞昌,孙树勤,宋文南,等。电力系统谐波[M],北京:水利电力出版社,1998。
- The concept, configuration, usage and function of the power quality susceptivity testing system are described. 提出了电能质量敏感度测试系统的概念,对其组成、用途、功能进行了定义和描述;
- Harmonic frequencies in the power grid are a frequent cause of power quality problems. 谐波频率在电网中是造成电能质量问题的常见原因。
- Abstract: Power quality and its control technique is the important research area in electrical engineering nowaday. 摘要:电能质量及其控制技术是当前电工领域的研究热点。
- With an excellent filtering performance, the APF can be used to reduce harmonic pollution and improve power quality. 有源滤波器滤波性能卓越,能起到减少电网谐波污染,提高电能质量的作用。
- Bollen MH J.Understanding power quality problems,voltage sages and interruptions [M],New York.IEEE PRESS,2000. 吴竞昌,孙树勤,宋文南,等。电力系统谐波[M],北京:水利电力出版社,1998。
- Voltage sags have become a major power quality issue encountered by industries in recent years. 近年来电压骤降在工业界已成为非常重要的电力品质议题。
- Power quality analytical methods which take the de-noising methods as the major content are researched in this paper. 本文研究以去噪为主要内容的电能质量信号分析方法。
- According as six national standards for PQ, a PQA( Power Quality Analyzer) based on DSP( Digital Signal Processor) has been designed and developed. 依据我国的6项电能质量国家标准,作者设计了一台基于dsp的电能质量分析装置。
- No-load EMF waveform is a key for conventional generator. To assess the power quality of Powerformer, it is needed to study no-load EMF waveform. 空载电势波形是研究传统发电机的一个关键问题,对于能量变换器,要想对其发电质量进行评定,也必须研究其空载电势波形。
- What are the definitions of electric power quality proposed by IEEE, IEC, and the authors of the text book? How are these definitions different? 2本书作者、IEEE及IEC对电力品质的定义是什麽?这些定义有何不同呢?