The condition that circuit loss is affected by three-phase unbalanced circuit with angle asymmetry is studied in the method of full current transformed after the coordinates.
通过分析三相不平衡线路的线损,用全电流经坐标转换的方法研究了角度不对称时的三相不平衡对线损的影响,推导出了线损增加率与相不平衡度的关系公式,并给出了配网中常见几种负荷不对称时的线损分析结果。
Compensations of power factors and three-phase equilibrium are basic conditions for stable running of single phase and high-power inductive equipment.
功率因数补偿及三相平衡补偿是单相大功率感应设备稳定运行的基本条件。
In this paper, two calculating models of saturation water content are developed based on the two-phase and three-phase equilibrium theory.
本文同时应用两相相平衡和三相平衡原理,导出了用状态方程求解天然气中饱和含水量的计算模型,并对其中两种有代表性的状态方程进行计算对比,得出更符合实际情况的一种。
A new detection method for random harmonic current which was suitable for 3-wire and 3-phase unbalance system was put forward.
提出了一种适用于三相三线制不平衡系统的任意次谐波电流检测方法。
The definition and national standard of three-phase unbalance in power system were expatiated.
三相负荷不平衡以及系统元件三相参数不对称都会引起电力系统三相不平衡。
A comprehensive energy saving project is developed for 28 distribution lines, including voltage regulation, line reconstruction, treatment of three-phase unbalance, and reactive power optimization.
评估了文昌配电网基本运行状况,结合28条实际配电线路开展了节能降耗综合治理方案研究,包括:电压调整、线路导线改造、三相不平衡治理和无功补偿优化配置,可带来重要的经济效益和社会效益。
The paper research theeffect of three-phase unbalance by unbalance of earthed capacitor, Analyze how toeffect fault selection and propose a method to resolve this problem.
本文针对由对地电容不对称引起的三相不平衡电流进行理论推导,以能量法为例具体分析了对选线影响的,并且借助有效域的思想提出了具体的解决办法;另一方面针对小电流接地系统中的没有很好解决的问题―瞬时接地故障,提出了一种新的暂态选线算法,其主要思路是进行相关分析,但是在相关分析之前做了两个处理,一是把线路的电流进行处理,二是对处理后的电流用形态学的方法进行滤波。
Analysis and Research of Three-phase Unbalance in Distribution Network;
配电网三相不平衡问题的分析与研究
Optimized strategy of three-phase unbalance in synchronized grid-connected
准同期并网中三相不平衡问题的优化
Three-phase Unbalance Monitoring System Based on DSP
基于DSP的三相不平衡度监测系统
The Research on Methods of Three Phase Unbalanced Var Dynamic Compensation;
三相不平衡无功功率动态补偿方法的研究
Research on the Unbalanced Three-phase Reactive Power Compensation Device Based on DSP for Distribution Networks;
基于DSP的低压三相不平衡无功补偿装置的研制
Quantitative Analysis and Reduction of Additional Loss of Wire Caused by Unbalanced Operation;
三相不平衡运行附加线损的定量分析及降低
Research on All-capacitor Adjusted Compensation for Low Voltage Three-phase Unbalance Distribution Network
低压配电网三相不平衡全电容调节补偿的研究
Detection and Analysis of Power Quality Three-Phase Imbalance Based on LabVIEW8.5
基于LabVIEW8.5的电能质量三相不平衡度检测与分析
Harmonic Transmission Characteristic and Suppression of Unbalanced Power System
三相不平衡系统谐波传输特性及其抑制
Research on New Reactive-load Compensation Algorithm for Three Phase Unbalance Load
三相不平衡负载新型无功补偿算法的研究
Impact and countermeasure of three-phase unbalanced operation for low voltage distribution systems
低压配电网三相不平衡运行的影响及治理措施
Calculation of Three-Phase Unbalanced Power Flow in Distribution Network Containing Distributed Generation
含分布式电源的三相不平衡配电网潮流计算
Analysis of three phase voltage imbalance on the 6.3 kV side of high voltage auxiliary transformer of substation
高厂变6.3kV侧三相电压不平衡分析
The Development of the Dynamic Reactive Power Compensation Equipment Used on 3-Phase 3-Wire Imbalance Load
三相三线不平衡负载动态无功补偿装置的研制
Design and Realization of Phase Locked Loop under Three-phase Unbalance Voltages
三相电压不平衡条件下锁相环的设计与实现
Research on the Three-Phase Compensator for Balancing with Power Balance Theory;
基于功率平衡理论的三相负载不平衡补偿器的研究
Quality of electric energy supply--Admissible three-phase voltage unbalance factor
GB/T15543-1995电能质量三相电压允许不平衡度
Research on the Unbanlanced Control Scheme of 3-PhaseVoltage Source PWM Rectifier;
三相电压型PWM整流器不平衡控制方法研究