搜索资源列表
2009National-contest
- 2009年全国大学生电子设计大赛A题：光伏并网发电模拟装置 ，实现对光伏并网发电模拟装置的原理和结构进行参数的计算与分析，设计并制作了一个设计并制作一个光伏并网发电模拟装置。本系统以ARM7 LM1138为处理核心能实现了用直流稳压电源和电阻模拟光伏电池，经过SPWM和H桥的DC/AC转换，滤波整流成正弦波后再经变压器逆变从而实现模拟并网，系统具有频率、相位采集跟踪功能和电压电流采集功能。-2009 National Undergraduate Electronic Design Contest
M7
- 在卡尔波利可持续力电机资源（超）项目正在开发太阳能直流配电系统设计的智能服务，几乎任何可能由一个离网的家庭需要负荷-At Cal Poly Sustainable Power motor resources (super) project is the development of solar DC power distribution system design, intelligent service, almost any possible off-grid home by a need
b21
- Taking into account all the parameters mentioned, forming the appropriate programming to the controller in order to achieve the synchronization between the two systems, the appropriate amplitude and as well as the power management to the DC to contro
df_grid
- 基于saber电源仿真软件的DC-AC简单并网控制电路-Simulation software based on saber power DC-AC grid simple control circuit
PWM_Techniques_final-pure-sien
- The ever-increasing reliance on electronic devices which utilize AC power highlights the problems associated with the unexpected loss of power from the electrical grid. In places where the electrical infrastructure is not well-developed, brown-outs c
main-dc
- New Positive sequence Voltage Detector for Grid Synchronization of Power Converters under Faulty Grid Conditions
Three_MTDC_model
- 自己弄的多端直流配电网的仿真模型，是支撑自己小论文的东东。仿真环境是用的matlab。-Get yourself a simulation model with a multi-terminal DC power grid, is supporting their own small paper stuff. Simulation environment is used matlab.
S130920052
- 以12脉波整流电路为研究对象，有效降低网侧电流的谐波畸变，其主要原因在于所采用的移相变压器，能过它可使各6脉波二极管整流器产生的低次谐波相互抵消。利用Matlab—Simulink建立模型对其进行仿真，并对其产生谐波电流进行分析和计算，阐述了其消谐原理。这种整流电路采用两个6脉波二极管整流器进行串联，功率因数较高，提高了直流电压的输出能力，对减少电网中的谐波干扰十分有效，可以有效地消除钢厂电力系统中较高次数的谐波。-Low-order harmonics with 12 pulse rectif
04160835[1]
- An Integrated AC/DC Super-Grid System -A Mechanism to Solving the North American Power Cr-An Integrated AC/DC Super-Grid System -A Mechanism to Solving the North American Power Crisis
Analysis-of-HVDC-converters
- 本文基于宁东直流输电工程的实际设备的数据,在PSCAD/EMTDC中建立了包含换流器、换流变压器、直流滤波器、交流滤波器和无功补偿设备、平波电抗器以及直流输电线路的模型,并按照CIGRE直流输电系统基准模型的典型控制方式,建立了初步的直流输电三级控制结构,并分析了控制逻辑中PI环节参数的选择问题：基于BPA仿真模型中的元件模型与参数,在PSCAD/EMTDC中建立了山东电网500kV动态等值之后的交流系统模型,包括发电机、励磁机、调速器、电力系统稳定器、变压器、负荷以及输电线路等设备的模型,利用
photovoltaic-grid-connected-system
- 光伏并网系统以MSP430F169 单片机为核心，单片机输出SPWM 波形经IR2110驱动H桥，实现DC-AC 逆变。最大功率点跟（MPPT）绝对误差小于1 ，利用430单片机软件实现锁相环，用参考频率作为基准频率，对MSP430单片机的外中断和定时器测定相位，当反馈的电压信号相位滞后（超前）于参考信号的相位时，就增大（减小）SPWM的频率；达到相位和频率同步。包括阻性负载，以及非阻性负载，实现了频率跟踪，相位跟踪。DC-AC 转换效率达88 ，人机接口LCD液晶显示器，界面直观、简洁，显示输
Grid-Connected-Photovoltaic
- “Grid Connected PV Systems with Smart grid functionality”. It solves the problem of shading to the available NTNU PV modules which is sensitive to the exiting central inverter system topology by proposing a PV system which is more efficient and
Dual_PWM_control
- 双向PWM控制，通过PWM控制直流侧的电压以及交流侧的PQ，不受大电网干扰，还具有帮大电网补偿无功的能力。-Bidirectional PWM control, through the PWM control of the DC side of the voltage and the AC side of the PQ, not by the large power grids, but also has the ability to help large power grid compensa
DC-MICROGRID(nasreen)
- The existence of the modules capacitors necessitates the control of their voltage level. A dedicated controller is described that has two main parts the averaging controller that takes care of the average capacitor voltage level per leg and the b
Grid-Connected-PV-Array
- Two demos illustrate use of SimPowerSystems for modeling a PV array connected to a utility grid. PVarray_Grid_IncCondReg_det.mdl is a detailed model of a 100-kW array connected to a 25-kV grid via a DC-DC boost converter and a three-phase three-lev
PMSG-connected-to-grid
- 基于双闭环矢量控制的永磁直驱风电系统的并网模型，输出功率和直流电压波形理想-Grid- connected model of permanent magnet direct drive wind power system based on double closed- loop vector control and Output power and DC voltage waveform are ideal
船舶直流电网
- 船舶直流电网相关文献，可以帮助很好理解船舶直流电网，非常有帮助(The relevant literatures of the ship DC power network can help to understand the ship's DC power grid very well.)
shuangbihuan
- 直流电流速度双闭环调速系统，能够抑制电网和负载扰动(DC current speed double closed loop speed regulation system. It can restrain power grid and load disturbance)
Microgrid_PQ
- 本模型模拟微电网分布式电源并网运行模式，电源采用理想直流电压源代替，逆变器采用PQ控制，包括P/Q外环控制器和电流的内环控制器，对于储能、风机、光伏等分布式电源的并网运行具有很高的参考价值，模型可运行，仿真结果稳定可靠。(This model to simulate the micro grid distributed power grid operation mode, the power supply adopts the ideal dc voltage source to replace
PV_Battery_Vf_Model
- 微电源为光伏发电单元，储能设备是蓄电池作，当光伏电池工作在最大功率点，满足蓄电池和负荷供电的情况下，系统能量仍有剩余时，经过变换器向大电网输送能量；当光伏电池工作在最大功率点、蓄电池工作在最大放电模式仍不能满足负荷需求时，应由交流大电网向直流微电网补充能量。(Micro power supply for the photovoltaic power generation unit, a storage device is a storage battery, when the photovolt