给出了一种用串联电容来提高两组或多组相同感性负载并联电路功率因数的方法。
A new approach to enhance the power factor of two or more the same inductive loads in parallel is presented.
在三相功率因数校正电路中，全解耦型电路由于其输入功率大，电气性能较好等优势特别适用于大功率场合。
Among the three-phase power-factor correction circuits, the full decoupling circuit is especially suitable for high power fields because of its high input power and good electrical performance.
仿真结果表明，DSP控制器可以获得较高的功率因数，且具有快速的电路动态响应、灵活的控制方法以及简洁的硬件设计等特点。
The simulation result shows that the DSP controller has very fast dynamic response and unity power factor, flexible control and simplified hardware design.
从异步电机的稳态等效电路出发，推导出了功率因数与转差角频率之间的关系。
Based on equivalent circuit of asynchronous motor in stable state, the relationship between power factor and slip Angle frequency was deduced.
通过电路分析对电子镇流器存在的电源电流谐波高和功率因数低等问题。
In this paper has analysed high levels of harmonic currents and low Power factor of electronic ballast by circuit study.
分析了系统的电路原理、幅值控制、相角控制及功率因数控制的实现方式。
It analyzes the circuit principle of the system, amplitude control method, phase control method and realization of the power factor control.
介绍一种以8031单片机为核心而构成的功率因数自动补偿控制器的工作原理及硬件电路设计、软件设计。
The paper introduced the work principle, hardware circuit design and software design of a power factor automated compensator composed mainly of 8031 single chip computer.
理论分析得出了CUK电路具有固有的功率因数校正和软关断开关特性。
Theoretical analysis shows that the CUK circuit has inherently the features of power factor correction and soft turn off switching.
文中详细分析了电感电流准连续模式的有源功率因数预校正电路的工作原理。
The principle of active power factor correction circuit operated in critical inductor current mode is analyzed in this paper in detail.
介绍了一种脉宽调制型功率因数测量电路的工作原理。
Introduced the principles of pulse modulating circuit for measuring power factor.
该文提出了一类基于反激变换器的单级不间断高功率因数直流开关电源电路结构与拓扑族。
Novel circuit structure and topologies of single-stage DC switching power supplies with uninterruptible power supply and high power factor, based on flyback converter, are proposed.
本文给出了一种可用于功率因数校正的新型低通态损耗电路。
A novel low conduction loss circuit that can be used for power factor correction is presented in this paper.
提出一种新型ZVT功率因数校正电路，将饱和电感和并联电客加入辅助开关网络中。
A novel ZVT power factor correction circuit is proposed, in which the saturable core and the-capacitor are added to the auxiliary switching network.
介绍了临界模式功率因数校正电路的工作原理和特点。
The working principle and characteristic of the Boost power factor correction (PFC) circuit operating in critical conduction mode are investigated.
增益调制器作为功率因数校正电路的核心电路，通过控制输入电流来得到一个高的功率因数。
As the heart of the power factor correction circuit, the gain modulator gets a high power factor by controlling the input current.
提出了一类新颖的不间断高功率因数交流开关电源电路结构与拓扑族。
Novel circuit structure and topologies family of uninterruptible AC switching power supplies with high power factor are proposed.
这两种电路都具有功率因数高、输出电压较低等特点。
Two circuits, characterized by high Power Factor and low output voltage, are proposed.
用数字电路实现功率和功率因数的计算。
It USES digital circuit to realize the calculation of the power factor.
本文先阐述LED驱动电路和功率因数校正技术的基本原理。
In this paper, fundamental working principle of LED driving circuit and Power factor corrections (PFC) technique is given.
介绍一种以邓8031单片机为核心构成的功率因数自动补偿控制器的工作原理、测控硬件电路及测控软件的设计。
This paper introduces the theory of operation, measurement and control circuit design, software design of a power factor automated compensator, which is mainly designed with 8031 micro - controller.
讨论了串联电容法对多组感性负载并联电路总功率因数的影响。
The reaction to the total power factor of some the same inductive loads in parallel are presented.
试验结果表明，这种变换器具有电路拓扑简单、功率密度高、变换效率高、功率因数高、不间断供电、成本低等优点。
Test results demonstrated that the converter has the advantages of simple topology, high power density, high conversion efficiency, high power factor, uninterruptible power supply, low cost.
本文对新型客运电力机车功率利用、主电路选择和功率因数补偿等进行了初步探讨。
This paper makes an approach to the utilization of powers, selection of power circuits and correction of power factor for new electric passenger locomotive.
主要介绍了有源功率因数校正（APFC）的工作原理、电路分类。
Principle and class of active power factor correction(APFC) are introduced.
以PSPICE通用电路分析软件在高功率因数电子镇流器设计中的应用为例，分析了计算机辅助分析软件在工程应用中的作用。
The paper discusses the action of computer aided analysis program in the research on high power factor electronic ballast by using PSPICE.
本文主要介绍数字钳形功率因数表的设计原理以及实际电路的设计。
This paper presents design theory of digital clamp-shape power factors and applicable circuit.
得出裂相电路还可以全面改善负载功率因数的结论。
The conclusion that the splitting phase circuits can improve the power factor of the loads is demonstrated.
现代高功率因数电子镇流器结构中普遍采用功率因数校正（PFC）和半桥逆变谐振电路拓扑。
The power factor correction (PFC) and half-bridge inverter circuit topology are commonly used in modern high power factor electronic ballasts.
设计了用于电流输入连续型电荷泵功率因数校正电子镇流器的调频电路，以减小电路的峰值系数。
Have designed the frequency modulation circuit in the CIC-CPPFC electronic ballast circuit, which would decrease the crest factor of circuit.
设计了用于电流输入连续型电荷泵功率因数校正电子镇流器的调频电路，以减小电路的峰值系数。
Have designed the frequency modulation circuit in the CIC-CPPFC electronic ballast circuit, which would decrease the crest factor of circuit.
应用推荐