Description: This paper presents a Matlab Simulink model of a
single-phase 2kVA Voltage Controlled Voltage Source Platform: |
Size: 1425408 |
Author:Pavan Mehta |
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Description: 在PSCAD/EMTDC软件环境下进行电压源换流器型直流输电系统仿真的文件和代码。-In the PSCAD/EMTDC software environment for the voltage source converter based HVDC transmission system simulation and code files. Platform: |
Size: 496640 |
Author:关于 |
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Description: This paper presents the enhancement of voltage sags/swell harmonic distortion and low power factor using
Distribution Static Compensator (D-STATCOM). The model is based on the Voltage Source Converter (VSC) principle. The
D-STATCOM injects a current into the system to mitigate the voltage sags/swell. to improve harmonic distortion and low
power factor. The simulations were performed using MATLAB SIMULINK version R2009b.-This paper presents the enhancement of voltage sags/swell harmonic distortion and low power factor using
Distribution Static Compensator (D-STATCOM). The model is based on the Voltage Source Converter (VSC) principle. The
D-STATCOM injects a current into the system to mitigate the voltage sags/swell. to improve harmonic distortion and low
power factor. The simulations were performed using MATLAB SIMULINK version R2009b. Platform: |
Size: 302080 |
Author:alok |
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Description: Voltage source inverter (VSI) with six-step mode
and its induction motor (IM) drive simulation in
MATLAB/Simulink environment
Platform: |
Size: 16384 |
Author:brian |
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Description: It is a question in this TP of making the modeling and the simulation of the three-phase source of voltage under the Matlab software into which the libraries Simulink and SimPowerSystems are integrated. These libraries contain blocks of modeling which allow indicates it, simulation, the implementation and the system monitoring of communication and processing of signal… etc the objective thus is to implement the three-phase source under Matlab with various manners.-It is a question in this TP of making the modeling and the simulation of the three-phase source of voltage under the Matlab software into which the libraries Simulink and SimPowerSystems are integrated. These libraries contain blocks of modeling which allow indicates it, simulation, the implementation and the system monitoring of communication and processing of signal… etc the objective thus is to implement the three-phase source under Matlab with various manners. Platform: |
Size: 21504 |
Author:Youcef |
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Description: This paper deals with the design and implementation of
a multilevel voltage source converter based static synchronous
compensator (STATCOM) employing an effective modulation
control technique simulated in a MATLAB Simulink
environment. The main objective of this paper is to maintain the
voltage stability by compensating the reactive power in the power
system. Hence, a new efficient control strategy is proposed, in
order to reduce the voltage fluctuations like sag and swell
conditions and also to isolate current and voltage harmonics in
the transmission system. The multilevel STATCOM which can be
used at the point of common coupling (PC C), for improving
power quality is modelled and simulated using proposed control
strategy and the performance is compared by applying it to an
llOkv line with and without STATCOM. Relative Harmonic
analysis is also discussed in this paper based on the total
harmonic distortion (THD) calculations. Platform: |
Size: 35840 |
Author:hareesh |
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Description: 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-level Voltage Source Converter (VSC). Maximum Power Point Tracking (MPPT) is implemented in the boost converter by means of a Simulink model using the “Incremental Conductance + Integral Regulator” technique.
PVarray_Grid_PandO_avg.mdl is an average model of a 200-kW array connected to a 25-kV grid via two DC-DC boost converters and a single three-phase VSC. The MPPT controller based on the “Perturb and Observe” technique is implemented by means of a MATLAB Function block that generates embeddable C code. Platform: |
Size: 589824 |
Author:Soremekun Nurudeen |
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Description: Grid-connected distributed generation sources interfaced
with voltage source inverters (VSIs) need to be disconnected
the grid under: 1) excessive dc-link voltage 2) excessive ac
currents and 3) loss of grid-voltage synchronization. In this paper,
the control of single- and two-stage grid-connected VSIs in photovoltaic
(PV) power plants is developed to address the issue of
inverter disconnecting under various grid faults. Inverter control
incorporates reactive power support in the case of voltage sags
based on the grid codes’ (GCs) requirements to ride-through the
faults and support the grid voltages. A case study of a 1-MW
system simulated in MATLAB/Simulink software is used to illustrate
the proposed control. Problems that may occur during grid
faults along with associated remedies are discussed. The results
presented illustrate the capability of the system to ride-through
different types of grid faults.-Grid-connected distributed generation sources interfaced
with voltage source inverters (VSIs) need to be disconnected
the grid under: 1) excessive dc-link voltage 2) excessive ac
currents and 3) loss of grid-voltage synchronization. In this paper,
the control of single- and two-stage grid-connected VSIs in photovoltaic
(PV) power plants is developed to address the issue of
inverter disconnecting under various grid faults. Inverter control
incorporates reactive power support in the case of voltage sags
based on the grid codes’ (GCs) requirements to ride-through the
faults and support the grid voltages. A case study of a 1-MW
system simulated in MATLAB/Simulink software is used to illustrate
the proposed control. Problems that may occur during grid
faults along with associated remedies are discussed. The results
presented illustrate the capability of the system to ride-through
different types of grid faults. Platform: |
Size: 38912 |
Author:hari |
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Description: 单相逆变并网电路的主电路与控制电路的 simulink 拓扑结构图，
主电路由直流源、 mosfet 全桥、 LC 无源滤波器、 负载 R1、 R2 组成， 其中 R1 为
恒定负载， R2 为仿真负载突变并入的。
控制电路为 SPWM 闭环调制， 通过检测输出端的电压有效值通过 PI 控制器反
馈回控制端使输出电压尽可能为一个优质的正弦波且有效值在 220V 左右， 频率
为 50Hz， 根据相关准则输出电压波形 THD 应在 5%以内。(The Simulink topology of the main circuit and the control circuit of the single-phase inverter grid connected circuit,
The main circuit is composed of DC source, MOSFET full bridge, LC passive filter, load R1 and R2, wherein R1 is
The constant load, R2, is incorporated into the simulation load mutation.
The control circuit is SPWM closed loop modulation, and the effective value of the output voltage is detected through the PI controller
The feed back control makes the output voltage as high as possible a sine wave, and the effective value is about 220V, frequency
For 50Hz, the output voltage waveform THD shall be within 5%, according to the relevant guidelines.) Platform: |
Size: 12288 |
Author:老老老大
|
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Description: 本程序是基于Matlab Simulink平台搭建的电压源型高压直流输电系统，又称柔性直流输电系统。(This procedure is based on Matlab Simulink platform to build the voltage source HVDC transmission system, also known as flexible DC transmission system.) Platform: |
Size: 41984 |
Author:applesky123
|
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Description: The clean energy future that would lie ahead for the world is solar energy. The use of solar energy, principally PV, for different applications, and mainly grid connected, is well suited to most of the rural areas due to the lack of electrification. In this paper we proposed a strategy for optimizing the performance of a grid-connected photovoltaic power system. For this, we opted for an MPPT control method based on the fuzzy logic controlled. The control and improving of the performance of a voltage source inverter for grid connected photovoltaic (PV) systems, we proposed to use a modern technique which is called Direct Power Control. Simulations of the proposed approach give interesting results compared to the existing control strategies in this field. The model of the proposed system is simulated by MATLAB / Simulink Platform: |
Size: 746496 |
Author:sbr energie
|
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Description: Variable speed drives with Pulse Width Modulation are increasingly applied in many new industrial
applications for more efficient performance. Recently, developments in power electronics and semiconductor
technology have lead to widespread use of power electronic converters in the power electronic systems. A number of
Pulse width modulation (PWM) schemes are used to obtain variable voltage and frequency supply from a three-phase
voltage source inverter. Among the different PWM techniques proposed for voltage fed inverters, the sinusoidal PWM
technique has been popularly accepted. But there is an increasing trend of using space vector PWM (SVPWM) because
of their easier digital realization, reduced harmonics, reduced switching losses and better dc bus utilization. This paper
focuses on step by step development of SVPWM implemented on a PMBLDC motor. Simulation results are obtained
using MATLAB/Simulink environment for effectiveness of the stud Platform: |
Size: 1032192 |
Author:hmod |
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Description: In this paper, an efficient active power filter (APF) scheme is developed to estimate and compensate for harmonic distortion in an electrical power network. The developed APF control scheme is based on a double proportional feedback controller and a single-phase voltage-source half-wave bridge inverter. The proposed filter uses a Multi-layer Artificial Neural Network (MLANN) with a shift method for estimating system harmonic currents and voltages at a dedicated point. The proposed scheme is tested on a 13 bus industrial distribution system. The obtained results ensure the effectiveness of the proposed filter. The system is simulated in MATLAB-Simulink and simulation results prove that the polluting harmonics have been greatly reduced. Platform: |
Size: 1906688 |
Author:amir1 |
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