三相电路的分析比单相电路难不了多少。
The analysis of three-phase circuits is little more difficult than that of single-phase circuit.
提出了一种新的单相电路的谐波和无功电流实时检测方法。
A new approach to real time detection of harmonic and reactive currents for single-phase circuit was proposed.
对于任意周期性电压与电流信号的单相电路，提出一种新的电流分解方法。
A new method of current decomposition is proposed for single-phase circuit with periodical voltage and current.
该方法系统结构简单，不仅适用于单相电路，而且也适用于三相四线电路。
The system structure of this algorithm is simple . It not only fits for single-phase circuit, but also for three-phase circuit.
根据正弦函数的正交特性，提出了一种单相电路的谐波和无功电流检测方法。
This paper based on the orthogonality of sine, presents an approach to the detection of harmonic and reactive currents suitable for single-phase circuits.
从物理和数学的角度，对单相电路、三相电路瞬时有功功率和瞬时无功功率的概念进行了剖析。
From physical and mathematical points of view, this paper analyses the nature of instantaneous active and reactive power.
串联混合型单相电力有源滤波器是串联有源滤波器与并联无源滤波器组合而成的单相电路新型滤波装置。
As a new filtering device used in single phase circuit, hybrid type series active power filter is a combined system of shunt passive filter and series active filter.
每个单相电路采用一片平均电流模式控制芯片uc 3854 B作为控制核心，电路简单，参数设计方便。
A average circuit mode control chip UC3854B is used to control each phase, thus the circuit and parameters are easy to design.
根据非线性负载的等效电路模型，提出了一种基于快速跟踪算法的有源电力滤波器单相电路谐波电流检测方法。
According to the equivalent circuit model of non-linear load, a detecting approach of harmonic current in single-phase circuit based on fast iterative algorithm in active power filter is proposed.
本文讨论了双电压单相电容起动异步电动机的设计特点，着重分析了该电机起动时的等效电路。
The paper points out the characteristics of the design and calculation of double voltage single-phase induction moter with capacitance starting, and analyses the circuit model of the machine.
提出一种运用双向晶闸管电路改变单相电容电机启动与运行电容的方法。
This paper presents a method of converting running and starting capacitor by a triac circuit.
提出用三相逆变桥电路实现单相电容电机变频调速的方案。
The paper proposes a scheme of using three phase inverter bridge to realize VVVF of single phase capacitor motor.
串联H桥多电平变频器的主回路从结构上可分为三相电容滤波不可控整流电路和单相电压型全桥逆变电路。
The series H-bridge multilevel converter's power circuit is composed of uncontrolled rectifier with filtering capacitor and single phase H-bridge voltage-type inverter.
串联H桥多电平变频器的主回路从结构上可分为三相电容滤波不可控整流电路和单相电压型全桥逆变电路。
The series H-bridge multilevel converter's power circuit is composed of uncontrolled rectifier with filtering capacitor and single phase H-bridge voltage-type inverter.
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