对几千瓦以下的单相有源功率因数补偿控制芯片很多，其中UC3854最具代表性。
Single phase active power factor compensation control clips below thousands watts are very popular, among which UC3854 is most typical.
介绍了小功率单相电源变压器的设计，并列举了设计实例。
The article introduces the design of small power single-phase power transformer, and enumerates the instance of designing.
在基于对等效电流源电路模型分析的基础上，推导出了单相单位功率因数变流器输出电流二次谐波的计算公式，将输出二次谐波电流正、反向交替注入交流输入侧来抵消电流中的谐波。
Derived the formula for computing quadratic harmonics of output current in the single phase unit power factor ac DC converter based on analysis of the circuit module of the equivalent current source.
系统中采用了滞环电流可控电压型逆变器技术与单相箝压缓冲技术，并对功率主电路与控制电路进行了设计。
Hysteretic current controllable voltage source inverter technology and single phase clamping buffer technology used in the system were introduced; the power circuit and control circuit were designed.
该车载充电机具有较高功率因数，能够与普通的单相交流电源插座直接连接，为电动轿车的蓄电池组提供小功率慢速充电。
This charger has the trait of high power factor, can be connected to ordinary single-phase AC sockets directly, and offers low-power and low speed charging for storage batteries.
利用谐波分析等方法分别探讨单相全波整流电路的功率问题。
In this paper, the power problem of completely wave rectifier is discussed by many methods respectively, such as harmonic analyses.
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.
电力机车为波动性很大的大功率单相整流负荷，可能威胁电力系统的安全运行。
The electrified railway is a fluctuating high- power single- phase commutation load, which may threat power sys-tem security operation.
介绍了大功率单相变频加热电源的系统组成，包括整流、滤波、逆变和控制电路等部分。
This paper introduces the system of single phase large power source varied frequency for heating, contains rectifier, filter, inverter and control circuit etc.
它由三相或单相交流电压经降压和全波整流(或桥式整流)得到，无稳压及平波要求功率要足够大。
It consists of three-phase or single-phase AC voltage by the step-down and full-wave rectifier (or rectifier bridge) has been, no regulator and ping-wave large enough to require power.
驱动装置：德国进口SEW电机机单相220v功率为0.75-1.5KW专用马达强力刹车器蜗轮减速机一体式。
Driver: Germany imported SEW motor single-phase 220V power 0.75-1.5KW special brake strong worm gear motor neducer integrated.
AC输入功率（单相） 。
首先运用对称分量法将单相异步电动机分为正序系统和负序系统，然后分别用矩阵分析了这两个系统中各自的有功功率、无功功率和视在功率。
Using the method of symmetric components and matrix, this paper analyses instantaneous power and the operation parameters concerning one-phase asynchronous motor in dynamic state.
小功率单相异步电机微机检测系统主要由机械传输线、微机检测系统硬件、软件等三部分组成。
The computerized test system of small single-phase asynchronous motor is composed of mechanical transmission line, hardware and software of test system.
提出了一种新型的功率因数校正(PFC)电路，分析了准谐振pfc的工作原理，进而得到单相时变简化分析模型。
It brings a new PFC circuit and analyzes the principle of the resonant PFC, thus get the simple model with single phase time change for analyse.
为利于故障点灭弧，提高单相重合闸的成功率，一般采用并联电抗器加中性点电抗器的接线方式。
The connection of shunt reactor and neutral reactor is normally used to extinguish arc and to ensure success of autoreclosure.
介绍了小功率单相电源变压器的设计，并列举了设计实例。
This paper introduces a practical failure diagnosis expert system for power transformers.
对于牵引网的单相性以及实现两臂负荷有功功率的流通，采用了改进型的单相补偿电流检测方法；
For the simple-phase feature of traction grid and the active power circulating between the two arms, an improved method of simple-phase compensating current detecting is used.
66200系列数位式功率表是用来量测单相交流电源的功率及其他电压电流参数，适用于大部份的电机电器产品。
Chroma's 66200 Series Digital Power Meter is designed for single-phase measurements of AC power signals and related parameters common to most electronic products.
该供电装置主要为三相变单相的变压器结构，附加有功率补偿元件。
The power supply device is mainly in a structure of a three-phase to single-phase transformer and is additionally provided with a power compensation element.
基于单位功率因数控制策略的单相有源滤波，去掉非线性负载部分即为单相全控整流。
Based on the unity power factor control strategy of single-phase active power filter, remove the part of non-linear load is the single-phase full-controlled rectifier.
为此，以矩形压电微悬臂梁结构作为换能单元，通过对压电层等效电流源和单相桥式整流电路的理论及相关公式的推导，得出微能量功率的计算公式。
An energy harvesting structure based on rectangle piezoelectric microcantilever was set up and the process of energy transform from vibration to electric was generally analyzed.
单相PFC已进入实用阶段，在中小功率单相有源功率因数补偿控制芯片中，UC3854最具代表性。
Single phase active power factor compensation control clips middle watts-below thousands watts are very popular, among which UC3854 is most typical.
单相PFC已进入实用阶段，在中小功率单相有源功率因数补偿控制芯片中，UC3854最具代表性。
Single phase active power factor compensation control clips middle watts-below thousands watts are very popular, among which UC3854 is most typical.
应用推荐