Voltage protection for electronic and electrical equipment used in low voltage single phase power supply system.
主要用于低压单相电源系统电子电器设备的过电压保护。
This is the so-called "single-phase power circuit" works.
这也就是所谓的“单相电源回路”的工作原理。
A novel single - phase parallel hybrid power filter is presented in this paper, which can eliminate drawbacks of LC passive filter and the conventional voltage source parallel hybrid power filter.
本文针对LC无源滤波器和传统的电压源型并联混合电力滤波器的缺点，提出了一种新型的并联混合电力滤波器。
The Single-Phase 851 Digital SCR Power Controller from Spang Power Electronics offers the latest in Digital Signal Processing (DSP) technology and software.
单相电力电子控制器从斯潘851数字晶闸管电源提供软件的最新数字信号处理（DSP）技术和。
On the railway of electrization, power supply mode is requested to be the single-phase alternating current.
在铁道电气化牵引区段，牵引供电网采用单相工频交流电供电方式。
Zero current transition (ZCT) topology of the single switch three phase boost power factor correction (PFC) rectifier is proposed.
提出了一种零电流开关结构的单开关管的三相升压功率因数校正整流器。
Single phase active power factor compensation control clips below thousands watts are very popular, among which UC3854 is most typical.
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。
A novel single-phase hybrid active power filter applied to electrical railway system is proposed.
提出了一种适用于电气化铁路的新型单相注入式混合有源滤波器。
In this paper, based on the orthogonality of sine function, a detection approach of generalized reactive current suitable for both the single phase and three phase active power filters is presented.
本文根据正弦函数的正交特性，提出了一种既适用于单相也适用于三相有源电力滤波器的广义无功电流检测方法。
The article introduces the design of small power single-phase power transformer, and enumerates the instance of designing.
介绍了小功率单相电源变压器的设计，并列举了设计实例。
Of course, can also be equipped with DC motor, single-phase motor, synchronous motor and all kinds of three-phase asynchronous motor and other power sources.
当然也可以配直流电机、单相电机、同步电机及各类三相异步电机等动力源。
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.
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。
Aim at an-arc suppression reactor earthing power system, we design a suit of microcomputer system for compensating single-phase earthing current and selecting line.
针对中性点经消弧线圈接地的小电流接地系统，设计了一套单相接地补偿及选线的微机保护装置。
Aim at an-arc suppression reactor earthing power system, a suit of microcomputer system for compensating single-phase earthing current and selecting line was designed.
针对中性点经消弧线圈接地的小电流接地系统，设计了一套单相接地补偿及选线的微机保护装置。
This paper describes a microcomputer compound control system for single phase resistance-heated furnace based on power and temperature regulations with uniform distribution and zero trigger.
本文介绍一个单相电阻炉均布式零触发调功调温的微机复合控制系统。
The signal injection method is widely used for automatic selecting fault line in indirectly earthed power system, which has great effect in the system of single-phase ground fault.
注入信号法是一种效果较好的选线方法，其原理广泛应用于小电流接地系统单相接地故障的自动选线。
And the single phase grounding fault location for transmission line should be the emphases in power system fault detection.
因此输电线路的单相接地故障点定位应是电力系统故障检测的一个重点。
The single-phase harmonic current components can also be detected by the method effectively through constructing a dummy symmetry three-phase power system.
通过构造一个虚拟的三相对称系统，该检测方法可以推广到单相电力系统的谐波电流检测。
Grounded on the theory of power equilibrium, a novel single phase series active power filter (APF) is proposed.
提出一种基于功率平衡原理的串联型有源电力滤波器(APF)。
PT breaking and ferro-resonance caused by single-phase grounding and PT saturation are common faults in medium-low voltage power networks, which make voltage abnormal.
在中低压电网中，PT断线、单相接地及由PT饱和引起的铁磁谐振均是多发性的故障，这些故障都能使电压异常。
Based on the need to develop and test the products, a single phase DSPbasedprogrammable AC power supply is designed.
基于产品研发和测试的需要，本课题设计了一种单相可编程交流电源。
The electrified railway is a fluctuating high- power single- phase commutation load, which may threat power sys-tem security operation.
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 system consists of the AC input stage, single phase PFC, main inverter, output low-pass filter, auxiliary power supply, and load current sharing circuit, etc.
整个电源由输入电路、功率因数校正器、主逆变器、输出滤波电路、辅助电源、均流电路等部分组成。
Single phase broken line and two-phase broken line are two faults easy too see in power system, which account more in all broken line fault.
单相断线和两相断线是三相电网中最常见的两种故障，占纵向不对称故障的绝大多数。
The calculation of the power and electrode design of salt bath furnaces with single-phase hoof type electrode are discussed in this paper.
给出了马蹄形电极盐浴炉的功率计算和电极尺寸设计公式。
A novel single-phase parallel active power filter based on the harmonic magnetic flux compensation theory is proposed.
提出一种基于谐波磁通补偿原理的单相并联型有源电力滤波器。
Most faults in power distribution systems are single phase to ground faults.
小电流接地系统发生最多的故障是单相接地故障。
Detecting and locating the single phase grounding fault of power distribution system is difficult, to locate fault in the circuitry is more difficult.
配电线路单相接地故障的检测和定位是一个难题，要在线路上定位故障点更是困难。
With the increasement of the harmonic quantity in power system, single phase harmonic power flow calculation can't meet the needs.
随着电力系统中谐波的日益增多，单相谐波潮流计算已不能满足要求。
With the increasement of the harmonic quantity in power system, single phase harmonic power flow calculation can't meet the needs.
随着电力系统中谐波的日益增多，单相谐波潮流计算已不能满足要求。
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