کد مقاله g42
عنوان مقاله:
Optimal interface based on power electronics in distributed generation systems for fuel cells
سال ارائه: 2011 نوع مقاله: ژورنال گزارش فارسی: -
کلید واژه : پیل سوختی، کنترل ولتاژ، توزیع پراکنده، DG، الکترونیک قدرت Distributed generation (DG), PEM fuel cell, Power electronics, Voltage control loop, PWM, پروژه متلب , شبیه سازی با متلب ,
abstract
A hybrid system comprising a fuel cell stack and a battery bank was developed, built and tested in this
research work. This hybrid system was built to supply both DC and AC outputs. The voltage levels set on
electrical interconnection points are achieved with several power conditioning stages controlled by Pulse
Width Modulation (PWM). The main advantage of this system is its excellence as a test bench, since it
allows testing system performance at different voltage-restricted interconnecting points. Besides, power
electronics are observed to play an essential role in distributed generation systems. The applications of
the developed hybrid system extend from Auxiliary Power Units (APU) in vehicles (cars, buses or trains)
to Uninterruptible Power Systems (UPS) in hospitals, nursing homes, hotels, office buildings or schools.
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کد مقاله g168
عنوان مقاله:
New Control Strategy for Bi-Directional DC-DC Converter in Electrical Vehicle
سال ارائه: 2011 نوع مقاله: IEEE گزارش فارسی: دارد
کلید واژه : کنترل ولتاژ، مدلسازی
Batteries, Bidirectional control, Capacitors, Mathematical model, Stability analysis, Transfer functions, Voltage control, پروژه متلب , شبیه سازی با متلب ,
Abstract –In order to improve the drive system efficiency,a
boost/buck bi-directional DC-DC converter which can regulate
the DC-link voltage according to optimal efficiency curve is
added between the battery and the traditional voltage source
inverters (VSI) supplying a motor. The traditional control
approach for the bi-directional DC-DC converter is based on the
analog control concept. However, it is not the best choice in
digital control environment. In this paper, a new control strategy
with a digital control concept is presented which can achieve a
smooth switching between the boost and buck operation state
using only one controller. The small-signal model of the
controller is built and the relationship between the out power and
the DC-link voltage stability is discussed. The PMSM drive
system in electric vehicles (EV) is modeled using
MATLAB/simulink and a operation condition in EV is simulated
to verify the above theoretical analysis. The simulation and
theoretical analysis results match with good agreement.
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کد مقاله g168
عنوان مقاله:
New Control Strategy for Bi-Directional DC-DC Converter in Electrical Vehicle
سال ارائه: 2011 نوع مقاله: IEEE گزارش فارسی: دارد
کلید واژه : کنترل ولتاژ، مدلسازی, پروژه متلب , شبیه سازی با متلب ,
Batteries, Bidirectional control, Capacitors, Mathematical model, Stability analysis, Transfer functions, Voltage control
Abstract –In order to improve the drive system efficiency,a
boost/buck bi-directional DC-DC converter which can regulate
the DC-link voltage according to optimal efficiency curve is
added between the battery and the traditional voltage source
inverters (VSI) supplying a motor. The traditional control
approach for the bi-directional DC-DC converter is based on the
analog control concept. However, it is not the best choice in
digital control environment. In this paper, a new control strategy
with a digital control concept is presented which can achieve a
smooth switching between the boost and buck operation state
using only one controller. The small-signal model of the
controller is built and the relationship between the out power and
the DC-link voltage stability is discussed. The PMSM drive
system in electric vehicles (EV) is modeled using
MATLAB/simulink and a operation condition in EV is simulated
to verify the above theoretical analysis. The simulation and
theoretical analysis results match with good agreement.
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کد مقاله g168
عنوان مقاله:
New Control Strategy for Bi-Directional DC-DC Converter in Electrical Vehicle
سال ارائه: 2011 نوع مقاله: IEEE گزارش فارسی: دارد
کلید واژه : کنترل ولتاژ، مدلسازی, پروژه متلب , شبیه سازی با متلب ,
Batteries, Bidirectional control, Capacitors, Mathematical model, Stability analysis, Transfer functions, Voltage control
Abstract –In order to improve the drive system efficiency,a
boost/buck bi-directional DC-DC converter which can regulate
the DC-link voltage according to optimal efficiency curve is
added between the battery and the traditional voltage source
inverters (VSI) supplying a motor. The traditional control
approach for the bi-directional DC-DC converter is based on the
analog control concept. However, it is not the best choice in
digital control environment. In this paper, a new control strategy
with a digital control concept is presented which can achieve a
smooth switching between the boost and buck operation state
using only one controller. The small-signal model of the
controller is built and the relationship between the out power and
the DC-link voltage stability is discussed. The PMSM drive
system in electric vehicles (EV) is modeled using
MATLAB/simulink and a operation condition in EV is simulated
to verify the above theoretical analysis. The simulation and
theoretical analysis results match with good agreement.
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