| 1. | A novel detecting method for harmonic current in single - phase circuit 一种单相电路谐波电流检测的新方法 |
| 2. | Proof of readings of wattmeters working in non - sinusoidal circuit 非正弦单相电路电动系功率表的读数推证 |
| 3. | The research for the real - time detection method of single - phase circuit harmonic current based on dft 基于离散傅立叶变换的单相电路谐波电流实时检测方法的研究 |
| 4. | Railway applications - fixed installations - particular requirements for a . c . switchgear - single - phase circuit - breakers with um above 1 kv 铁路设备.固定装置.交流开关专门要求.电压大于1kv的单相电路断路器 |
| 5. | The instantaneous reactive power theory in three - phase circuits based on - co - ordinate shows its defect when applied to single - phase circuit 由于基于-坐标系的三相电路瞬时无功功率理论,在适用于单相电路时表现出其不足之处。 |
| 6. | Railways applications - fixed installations - particular requirements for a . c . switchgear - part 1 : single - phase circuit breakers with um above 1 kv 铁路设备.固定安装.交流开关装置的特殊要求.第1部分:电压大于1kv的单相电路断路器 |
| 7. | By studying traditional instantaneous power theory in single - phase circuit , we developed a real - time detecting method in this paper based on digital technology , which can detect harmonic current and fundamental reactive current in both single - phase and three - phase circuits 本文通过对于单相电路瞬时功率理论的分析研究,提出了一种基于数字技术的单相和三相电路谐波和无功电流的实时检测方法。 |
| 8. | At first , the dissertation author analyzes the measure method characteristic of three - phase three - line system and three - phase three - line system by power measure principle , and analyzes all kinds of power theft way , then concluding them to five styles : voltage style , current style , change phase style , enlarge error style , shunt style 论文从电能计量原理和准确计量方法入手,简要介绍了电能计量的发展历史,单相电路和三相电路的各种计量方式。其中重点介绍了三相三线经电流互感器和电压互感器接入式和三相四线只经电流互感器接入式这两种计量方式。 |
| 9. | Several typical fault signals in electromechanical system are analyzed with it . in addition to the improved harmonic wavelet in chapter 4 , a new half - complex wavelet is presented to improve the complex wavelet , which is given by chaari . o . a unilateral recursive algorithm is derived to improve the real - time characteristic 仿真分析中利用该算法实时消去特定频率的干扰信号,突出故障特征信号,提高故障特征信号的提取能力,该算法还成功地解决了电力系统单相电路瞬时谐波及无功电流的检测问题。 |