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main-dc
- New Positive sequence Voltage Detector for Grid Synchronization of Power Converters under Faulty Grid Conditions
GITAM_ORPD_Lecture
- The power characteristics of the fuel cell, DC-DC converter, DC-AC inverter are plotted for reference real power of 50kW for standalone applications. The power characteristics of the DC-AC inverter are plotted for 30kW, 50kW, 70kW of load and als
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
5.a.3
- Stability analysis of interconnected AC power systems with multi-terminal DC grids based on the Cigré DC grid test system
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
(57-4)317
- Abstract. The paper presents a squirrel-cage induction machine operating as a generator principally designed for use in small wind and hydroelectric power stations. The main advantages of such a generator are its high reliability, low price and cos
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
project1
- DC wind farm network. So far, all existing offshore wind farms have an ac collection system, and the collected power in the offshore wind farm is sent to an onshore ac grid through high-voltage ac (HVAC) or DC (HVDC) transmission lines. However, futu
04522713
- In the paper, the design, realization and performance uation of a single-phase 3kW DC/AC power converter, using an active bridge DC/DC converter and a Full Bridge DC/AC is introduced, presenting a novel solution on the industrial scenario fo
05420961
- In this paper it is presented a detailed descr iption of the analog implementation of the control for a DC-AC converter composed by a DC-DC Zeta converter and a low frequency inverter. Using only analog components, it was developed the MPPT t
hu2011
- This file is about Direct Active and Reactive Power Regulation of Grid-Connected DC/AC Converters Using Sliding Mode Control Approach
APF thesis
- This thesis is a part of the research carried out on a double stage grid connected photovoltaic system, associated with a shunt active power filter. In the first stage, the photovoltaic generator is connected to a boost DC-DC converter, acting throug
PWMrectfier
- In this paper, simulation and practical implementation of direct power control is presented for a PWM Rectifier application. The proposed DPC control has several advantages, including the grid current very close to sinusoidal waveforms (TDH <1
ACDCAC_converter
- A 50 kW, 380 V, 50 Hz load is connected to a 25 kV, 60 Hz grid through a AC-DC-AC power supply. This power supply consists of two voltage source converters, VSC1 and VSC2, connected through a DC link.
OPF control of dc grid
- 针对直流电网中的最优潮流问题,提出了一种基于模糊控制理论的自适应粒子群算法,以实现电网兼顾有功网损和电压质量的优化运行。(To solve optimal power flow problem in DC grid, an adaptive particle swarm optimization (PSO) algorithm based on fuzzy control theory is proposed in this paper, and optimal operation consi