A Constant Duty Cycle Control, Single-Phase Inverter Design for Distributed Static Series Compensators
Alexander Brissette ; Anderson Hoke ; Dragan Maksimovi?
FACTS
,
AC-DC
,
transmission systems
,
smart grid
Distributed static series compensators (DSSC) are power electronics devices that can inject positive or negative reactance into a…
An Accurate Power-Sharing Control Method based on Circulating-Current Power Model for Voltage-Source-Inverter Parallel System
Mingzhi Gao ; Canhui Zhang ; Maohang Qiu ; Weiheng Li ; Min Chen ; Zhaoming Qian
Microgrid
,
islanding operation
,
parallel inverter system
,
circulating current
This paper analyzes the voltage-source-inverter parallel system as a multi-input & multi-output system, and proposes the circulating-current…
Control and Implementation of Converter based AC Transmission Line Emulation
Bo Liu ; Sheng Zheng ; Yiwei Ma ; Fred Wang ; Leon M. Tolbert
Hardware test bed
,
ac transmission line
,
Emulation
An ultra-wide-area transmission network emulator, also called hardware test-bed (HTB), is being developed to emulate the large-scale…
Current Control of Grid Converters Connected with Series AC Capacitor
Xiongfei Wang ; Frede Blaabjerg ; Poh Chiang Loh ; Ying Pang
Current Control
,
Grid-Connected Converters
,
Series-Connected AC Capacitor
The series ac capacitor has recently been used with the transformerless grid-connected converters in the distribution power grids. The…
Double Synchronous Frame Current Regulation of Distributed Generation Systems under Unbalanced Voltage Conditions without Sequence Current Separation
R. Kabiri ; D.G. Holmes ; B.P. McGrath
unbalanced current
,
distributed generation
,
current regulation
Unbalanced current regulation of distributed generation sources usually requires to control the positive and negative sequence currents in…
Fractionally Rated Transformer-Less Unified Power Flow Controllers for Interconnecting Synchronous AC Grids
Deepak Gunasekaran ; Shuitao Yang ; Fang Zheng Peng
Power flow controller
,
HVDC
,
Device power ratings
Recently, a novel transformer-less unified power flow controller (T-UPFC) has been proposed. The T-UPFC is a suitable candidate for…
Harmonic Analysis and Practical Implementation of a Two-Phase Microgrid System
M. Alibeik ; E.C. Dos Santos Jr. ; Y. Yang ; X. Wang ; F. Blaabjerg
Harmonics
,
Microgrids
,
Two-Phase System
,
Rectifiers
This paper analyzes the harmonics content on a non-linear load connected to a two-phase microgrid system. It turns out that the two-phase…
Harmonic Interaction Analysis in Grid Connected Converter using Harmonic State Space (HSS) Modeling
Junbum Kwon ; Xiongfei Wang ; Claus Leth Bak ; Frede Blaabjerg
Harmonic analysis
,
Modeling
,
Harmonic coupling
,
Harmonic interaction
,
Harmonic state space modeling
This paper investigates grid connected converter by means of Harmonic State Space (HSS) small signal model, which is modeled from Linear Time…
Self-Disciplined Stabilization of DC Microgrids by Passivity-based Control
Yunjie Gu ; Wenjuan Zheng ; Wuhua Li ; Xiangning He
Self-disciplined Stabilization
,
Passivity-based Control
,
DC Microgrid
DC microgrids may have time-varying system structures and operation patterns due to the flexibility and uncertainty of microsources. This…
