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050514
- 三相短路电流计算方法的探讨 吕文杰 :利用PSS / E 程序丰富的短路电流计算功能和灵活的短路电流初值设置条件,分析了影响短路电流计算结果 的一些关键因素,对基于潮流的短路电流计算、经典计算方法和IEC 推荐方法进行了比较-three-phase short-circuit current calculation method of Wen - Jie Lu : the use of PSS / E procedures rich short-circuit current cal
gongchengshi
- 工矿企业电气工程师手册P91例高压网络三相短路计算经典-mining Electrical Engineers Handbook P91 cases of three-phase short-circuit high voltage network classical
ddsbyvhdl
- 摘要:介绍了基于可编程逻辑器件CPLD和直接数字频率合成技术(DDS)的三相多波形函数发生器的基本原理,并在此基础上给出了基于CPLD的各模块设计方法及其VHDL源程序-Abstract : Based on the CPLD and direct digital frequency synthesis (DDS) of a three-phase multi-function waveform Generator to the basic principles and on this basi
_綯 _
- 异步电动机变频调速系统(VVVF系统) 变频调查的基本控制方式 三相异步电机定子第相电动势的有效值-asynchronous motor control system (VVVF System) Frequency survey the basic control of three-phase asynchronous motors way stator section of the RMS is emf
ATT7022CCheckAccuracy
- 基于ATT7022C的三相电能表电量采集系统的纯软件自动校表的后台软件!-The three-phase watt-hour meter based on ATT7022C power acquisition system of pure software automatically table of backend software school
sanxiangnibianqi
- 关于三相逆变电源设计的资料 比较实用 有需要的可以-About three-phase inverter power supply design information more practical need to look at
sanxiang
- 通过时三相三线有功电能表计算原理和接线方式的分析, 详细计算了接线回路不同故阵时求取真实电贡的补算系数, 并阐述了电童的补算方法。-The passage of three-phase three-wire active energy meter calculation principle and the connection mode of analysis, detailed calculations of the wiring circuit different when it is to
caiyangSPWm
- 采用不对称规则采样法生成三相SPWM波的开环调速控制程序-Asymmetric rules used to generate three-phase sampling SPWM wave of open-loop speed control procedures
huirexitongzhengding
- 单回路整定,主要对象为锅炉汽水系统,所运用的方法为三冲凉控制。-Single-loop tuning, the main target for the boiler water system, the method used for the control of the three showers.
A-three-phase-power-flow-method
- A three-phase power flow method for real-time distribution system analysis
a-three-phase-inverter
- Output voltages and currents of a three-phase inverter using MATHCAD-Output voltages and currents of a three-phase inverter
Three-phase-smart-meter-design
- 充分地利用了DSP强大的信号处理能力和现代数值分析方法。 设计了电能表前端采样及计量模块的硬件,以及一套符合国标GB/T 17883-1999的 0.2S 级精度要求的算法,同时扩展了谐波分析功能。系统概述为:三相电压、电流 AD 采样,采样数据通过串口送至处理器(DSP),由 DSP 对采样数据作电参数计 量和谐波分析,处理结果通过定制 LCD 显示,并通过脉冲口发出有功、无功校 表脉冲。DSP 采用 ADI 公司的 BLACKFIN531-16 位定点芯片,最高处理能力可
Considerations--3-phase-DC-motor
- Intersil 白皮书:在三相电机应用中集成带锂离子电池的无刷直流电。随着主要用于延长运行时间的无刷电机和锂离子电池的引入,采用了电池给电机供电来驱动的设备产品市场正在快速增长。正在升级到这类新设备的传统市场应用实例包括:电池供电工具(电钻、电锯和鼓风机等)、小型电动车(电动自行车和轮椅等)、不间断电源,当然这只是一部分例子。这些新一代产品还需要经过升级的MOSFET 桥驱动器,以充分发挥其功能优势,同时减少与集成带有锂离子电池的无刷直流(BLDC)电机相关的问题。 -Intersil W
48-Sensorless-Current-Control-of-Three-Phase
- This paper presents a modified adaptive Kalman filter for sensorless current control of a three-phase inverter-based distributed generation system. Measurement and digital signal processor delays have been compensated by using a modified Kalman
Three-phase-reverse-power
- 一个简单的三相变频变幅逆向电源的设计,希望有参考帮助。-A simple transformer reverse three-phase inverter power supply design, hope to have reference help.
three-phase-current-grid
- three-phase current grid
241SVM-Feedback-Linearization-Control-of-Three-le
- This paper presents a nonlinear control scheme for back-to-back High Voltage Direct Current (HVDC) system based on feedback linearization control, using three-phase three-level voltage source converter. The design of the proposed nonlinear controller
2.1 主动配电网电能质量分析与评估
- 本文所做主要工作有: 1)简要介绍了主动配电网的基念。 2)研究了主动配电网中各个主要组成部分的模型,包括变型、输电型、负型和DG模型,并根据主动点,建立了网评价指标体系。 3)分析并搭建了主动配电网基本模型,并对主动配电网的4项电能质量指标进行了分析,包括谐变、电差、三相衡和电压闪变。 4)分析了分布式电源接入主动配电网后的电能质量问题,提出了主动配电网电能质新指方法,通过电量变化量指统指标来评估主动配质量,并对算例进行了分究,表明了该方效性。(The main work of thi
Three_phase_PWM_inverte
- 三相开环逆变电路,输入电压300V,采用SPWM控制方式。(Three-phase open-loop inverter circuit, the input voltage 300V, using SPWM control.)
3-phase Bridge Rectifier Circuit
- report on three-Phase Full Wave Rectifiers