Reverse current control method of synchronous boost converter for fuel cell using a mode boundary detector

2014 ◽  
Author(s):  
Mi-ji Kim ◽  
Min-ho Shin ◽  
Sung-chon Choi ◽  
Kyeung-cheol Bae ◽  
Chung-yuen Won ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Control Method ◽  
Reverse Current ◽  
Boost Converter ◽  
Current Control

scholarly journals Real-Time Implementation of a New MPPT Control Method for a DC-DC Boost Converter Used in a PEM Fuel Cell Power System

Actuators ◽  
2020 ◽  
Vol 9 (4) ◽  
pp. 105
Author(s):  
Mohamed Derbeli ◽  
Oscar Barambones ◽  
Mohammed Yousri Silaa ◽  
Cristian Napole
Keyword(s):  
Fuel Cells ◽  
Fuel Cell ◽  
Power System ◽  
Control Method ◽  
Sliding Mode ◽  
Pem Fuel Cell ◽  
Pem Fuel Cells ◽  
Boost Converter ◽  
High Order ◽  
Maximum Power

Polymer electrolyte membrane (PEM) fuel cells demonstrate potential as a comprehensive and general alternative to fossil fuel. They are also considered to be the energy source of the twenty-first century. However, fuel cell systems have non-linear output characteristics because of their input variations, which causes a significant loss in the overall system output. Thus, aiming to optimize their outputs, fuel cells are usually coupled with a controlled electronic actuator (DC-DC boost converter) that offers highly regulated output voltage. High-order sliding mode (HOSM) control has been effectively used for power electronic converters due to its high tracking accuracy, design simplicity, and robustness. Therefore, this paper proposes a novel maximum power point tracking (MPPT) method based on a combination of reference current estimator (RCE) and high-order prescribed convergence law (HO-PCL) for a PEM fuel cell power system. The proposed MPPT method is implemented practically on a hardware 360W FC-42/HLC evaluation kit. The obtained experimental results demonstrate the success of the proposed method in extracting the maximum power from the fuel cell with high tracking performance.

scholarly journals Power applications for fuel-cell using switching regulators

2019 ◽  
Vol 15 (1) ◽  
pp. 71
Author(s):  
Dega Rajaji Vanka ◽  
K. Chandra Sekhar
Keyword(s):  
Fuel Cell ◽  
Output Voltage ◽  
Closed Loop ◽  
Control Method ◽  
Voltage Regulation ◽  
Boost Converter ◽  
System Stability ◽  
Voltage Source ◽  
Energy Unit ◽  
Fuel Cell Stack

<p><strong> </strong></p>Generally the switch mode power supply input voltage source is constant or shows insignificant little varieties.in any case, when fuel call used input source the last assumption is not valid. A fuel cell stack is give a details of low and not controlled DC output voltage, moreover, when the demanded current increases the output voltage becomes low in a nonlinear form; from now on, suitable controller is required to taken the previously mentioned issues. In this article, a normal current-mode controller is planned to using a joined model for an energy unit stack and a boost converter; besides, the resolving control method increasing the system stability and output voltage regulation.. The proposed energy system utilizes an energy component power (polymer electrolyte film fuel cell) and a boost converter passing on power of 900 W. the proposed controller execution for output voltage regulation by means of closed loop gain estimations and step load changes. What's more, a correlation amongst open-and closed- loop estimations is made, where the controller robustness is tried for vast load varieties and fuel cell stack output voltage changes are shows on simulation results.

scholarly journals Continuous Control Set Predictive Current Control for Induction Machine

2021 ◽  
Vol 11 (13) ◽  
pp. 6230
Author(s):  
Toni Varga ◽  
Tin Benšić ◽  
Vedrana Jerković Štil ◽  
Marinko Barukčić
Keyword(s):  
Control Method ◽  
Induction Machine ◽  
Current Control ◽  
Continuous Control ◽  
Loop Model ◽  
Voltage Reference ◽  
Control Loop ◽  
Speed Tracking ◽  
Finite Control ◽  
Control Set

A speed tracking control method for induction machine is shown in this paper. The method consists of outer speed control loop and inner current control loop. Model predictive current control method without the need for calculation of the weighing factors is utilized for the inner control loop, which generates a continuous set of voltage reference values that can be modulated and applied by the inverter to the induction machine. Interesting parallels are drawn between the developed method and state feedback principles that helped with the analysis of the stability and controllability. Simple speed and rotor flux estimator is implemented that helps achieve sensorless control. Simulation is conducted and the method shows great performance for speed tracking in a steady state, and during transients as well. Additionally, compared to the finite control set predictive current control, it shows less harmonic content in the generated torque on the rotor shaft.

Sign in / Sign up

Export Citation Format

Share Document