750-kW Interleaved Buck Converter DC Supply Control Implementation in a Low-Cost FPGA
Yusi Liu ; Chris Farnell ; Shamim Ahmed ; Juan Carlos Balda ; H. Alan Mantooth
FPGA
,
Interleaved Buck Converter
,
DC Supply
The digital control of a 750-kW dc supply that converts a 480-V three-phase ac input voltage to an adjustable dc output voltage which has…
A Novel Synchronization Method Designed for Single-Phase Distorted Grid
Yong Lu ; Guochun Xiao ; Longfei Zang ; Xuanlv Wu ; Fengwen Chen
Phase-locked loop
,
Harmonics
,
Quadrature signal generation
,
Grid synchronization
Grid synchronization has always been a great challenge for single-phase gird-connected converters since only one signal is provided and it is…
A Predictive Control Scheme for a Dual Output Indirect Matrix Converter
Indirect Matrix Converter
,
FPGA
,
Predictive Control
,
Digital Control
Model Predictive Control (MPC) with a finite control set has been successfully applied to several power converter topologies and research on…
A Predictive Nearest Level Control of Modular Multilevel Converter
predictive control
,
nearest level control
,
modular multilevel converter
In this paper, a new predictive nearest level control (PNLC) of modular multilevel converter (MMC) is proposed, which uses the predicted…
A Simple DQ Current Controller for Single-Phase Grid-Connected Inverters
Mohammad Ebrahimi ; S. Ali Khajehoddin
Single Phase Grid Connected Inverter
,
DQ Frame
,
Rotating Reference Frame
,
Current Control
,
Orthogonal Quantity
,
Low Voltage Ride Through
This paper presents a simple method to generate the grid current orthogonal component for a DQ current controlled inverter. Proposed…
Active Damping of LLCL-Filter Resonance based on LC-Trap Voltage and Capacitor Current Feedback
Min Huang ; Xiongfei Wang ; Poh Chiang Loh ; Frede Blaabjerg
Resonant
,
LLCL-filter
,
grid-connected converter
,
Capacitor current
,
Capacitor circuit voltage
Active damping methods are investigated in this paper by using the concept of the equivalent virtual resistors with and without delay effect…
Active Power Sharing in Input-Series-Input-Parallel Output-Series Connected DC/DC Converters
Yiqing Lian ; G.P. Adam ; D. Holliday ; S.J. Finney
Power Electronic
,
DC/DC converter
,
Control
,
Wind Energy Conversion System
A high-capacity DC/DC converter with novel input-series-input-parallel output-series connection, and with autonomous power transfer between…
Autonomous Hierarchical Control of DC Microgrids with Constant-Power Loads
Mahesh Srinivasan ; Alexis Kwasinski
droop control
,
constant power load
,
parallel operation
,
dc dc buck converter
,
dc microgrid
We present an autonomous control law to achieve current sharing and stability of parallel connected buck converters with a constant power…
Control Strategy for Com-Leg in Single-Phase Transformerless Three-Leg Unified Power Quality Conditioner
Dapeng Lu ; Guochun Xiao ; Yong Lu ; Fengwen Chen
power quality
,
unified power quality conditioner
,
common leg
,
compensation performance
Single-phase three-leg Unified Power Quality Conditioner(UPQC) is relatively a good choice for power quality compensation in low-power…
Cross-Coupling and Decoupling Techniques in the Current Control of Grid-Connected Voltage Source Converter
Sizhan Zhou ; Jinjun Liu ; Linyuan Zhou ; Hongwei She
cross-coupling
,
decoupling technique
,
complex transfer function
Cross-coupling issue of current control in dq frame will deteriorate the system performance especially for low PWM pulse-ratio applications….
DC Symmetrical Component Method for Analysis and Control of Bipolar LVDC Grid
Yunjie Gu ; Yongning Chi ; Yan Li ; Wei Sun ; Wuhua Li ; Xiangning He
DC Symmetrical Component
,
DC Distribution
,
Power System Control
DC symmetrical component method is introduced for analysis and control of bipolar dc distribution systems under asymmetrical operation. This…
Design-Oriented Stability Criteria of a v^2 Control Compensated with Inductor Current of a Boost Converter for Shipboard Power Systems
Jorge Cortés ; Juan C. Jiménez ; Sachi Jayasuriya ; Pedro Alou ; Chika O. Nwankpa ; José A. Cobos
Control
,
Marine
,
Boost
,
stability
,
robustness
This paper deals with remote control of power converters for marine applications where a boost converter is controlled with a v2 control…
Dithered Multi-Bit Sigma-Delta Modulator based DPWM for DC-DC Converters
James Mooney ; Mark Halton ; Petar Iordanov ; Vincent O’Brien
Sigma-delta digital pulse width modulator
,
idle tones
,
DC-DC converters
,
digital control
Multi-bit sigma-delta based digital pulse width modulators (DPWM) are used in the control of DC-DC converters in order to achieve high…
Droop-Free Team-Oriented Control for AC Distribution Systems
Vahidreza Nasirian ; Qobad Shafiee ; Josep M. Guerrero ; Frank L. Lewis ; Ali Davoudi
Microgrid
,
Distributed Cooperative Control
A droop-free distributed framework is proposed that fine-tunes the voltage and frequency at each source to handle 1) Voltage regulation, 2)…
Improving Light Load Efficiency in a Series Capacitor Buck Converter by Uneven Phase Interleaving
Pradeep S. Shenoy ; Mike Amaro
high frequency conversion
,
dc-dc converter
,
high conversion ratio
,
high current
,
switched capacitor
,
buck converter
,
series capacitor buck
This paper introduces a technique to improve light load efficiency in a two-phase, series capacitor (SC) buck converter. A unique aspect of…
Modeling and Circulating Current Control of MMC
Luis Herrera ; Xiu Yao ; Jin Wang
MMC
,
Control
,
Real Time Simulation
,
EMTP
Modular Multilevel Converters (MMC) offer several advantages over common three level inverters. For example, MMCs have lower switching…
Multiphase Current Controlled Buck Converter with Energy Recycling Output Impedance Correction Circuit (OICC): Adaptive Voltage Positioning (AVP) and Dynamic Voltage Scaling (DVS) Application
V. Švikovi? ; J. Cortes ; P. Alou ; J.A. Oliver ; O. García ; J.A. Cobos
Multiphase Buck Converter
,
Output Impedance Correction Circuit
,
OICC
,
Adaptive Voltage Positioning
,
AVP
,
Dynamic Voltage Scaling
,
DVS
Modern microprocessors impose strict specifications on Voltage Regulating Modules (VRMs) with advanced features such as Dynamic Voltage…
Simultaneous PWM Control to Operate the Three-Phase Dual Active Bridge Converter under Soft Switching in the Whole Load Range
Jun Huang ; Yue Wang ; Zhuoqiang Li ; Yongbin Jiang ; Wanjun Lei
Three-phase DAB
,
ZVS
,
Simultaneous PWM
,
Modulation strategy
The three-phase dual active bridge (3p-DAB) topology has significant advantages for high power dc-dc conversion. Even so, it can’t be under…
Small-Signal Modeling for Digital Predictive Current Mode Control in CCM
Siyu He ; R.M. Nelms ; John Y. Hung
Small-signal model
,
predictive current mode control
In this paper, a small-signal s-domain model for predictive current mode control is proposed. This small-signal model is applied to two different…
Space Vector Modulation for Single-Phase Transformerless Three-Leg Unified Power Quality Conditioner
Yong Lu ; Guochun Xiao ; Xuanlv Wu ; Dapeng Lu
Power quality
,
Unified power quality conditioner
,
Space vector modulation
,
Operation efficiency
Unified power quality conditioner (UPQC) is an ideal compensation device to improve power quality for sensitive end-users. In this paper, a…
State-Feedback-with-PI Control for NPC Three-Level Inverter
Xin Liu ; Xinchun Lin ; Zhigang Liang ; Yong Kang
NPC
,
State-space control
,
State feedback
,
discrete
,
continuous
This paper discussed the discrepancy of two different ways to design state-space controller, one in continuous domain, the other in discrete…
