انجام پروژه متلب | متلبی

کد مقاله g72

عنوان اصلی مقاله :
 A New Method for Islanding Detection of Inverter-Based Distributed Generation Using DC-Link Voltage Control

روش جدیدی برای تشخیص حالت جزیره ای در یک DG همراه اینورتر با کمک کنترل ولتاژ لینکDC

سال ارائه:  2011       نوع مقاله:IEEE        گزارش فارسی: دارد 
کلید واژه:Distributed generation (DG), پروژه متلب , شبیه سازی با متلب ,, islanding, nondetection zone (NDZ), voltage-source inverter

Abstract—This paper presents a new method for islanding detec
tion of inverter-based distributed generation (DG). The main idea
of this paper is to change the dc-link voltage considering the PCC
voltage changes during islanding condition. A simple islanding de
tection scheme has been designed based on this idea. The proposed
method has been studied under multiple-DG operation modes and
the UL 1741 islanding tests. The simulations results, carried out by
MATLAB/Simulink, show that the proposed method has a small
nondetection zone. Also, this method is capable of detecting is
landing accurately within the minimum standard time.
Index Terms—Distributed generation (DG), islanding, nondetec
tion zone (NDZ), voltage-source inverter.

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کد مقاله g74

عنوان اصلی مقاله :

Control of a Multiple Source Microgrid With Built-in Islanding Detection and Current Limiting

سال ارائه:  2012       نوع مقاله:IEEE        گزارش فارسی: دارد 
کلید واژه:Autonomous, control, inverter, islanding, microgrid, voltage-sourced converter (VSC), پروژه متلب , شبیه سازی با متلب ,

Abstract—An approach for the control of a voltage-sourced
converter-interfaced distributed energy resource microgrid
environment with multiple energy sources is analyzed and exper
imentally validated. The control approach is designed to operate
in grid-connected and islanded modes of operation, as well as
provide a smooth transition between the two modes. Additional
features including islanding detection with positive feedback and
dynamic overcurrent limiting are also evaluated. Validation is
achieved through the results obtained from a scaled down proto
type system with further results from the time-domain simulation
of a medium-voltage microgrid.
Index Terms—Autonomous, control, inverter, islanding, micro
grid, voltage-sourced converter (VSC).

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