Development and field testing of a closed-loop adaptive power factor controller

1988 ◽  
Vol 3 (2) ◽  
pp. 235-240 ◽  
Author(s):  
M.A. El-Sharkawi ◽  
M. Chen ◽  
S.V. Vadari ◽  
G.W. Fissel ◽  
S.S. Venkata ◽  
...  
Keyword(s):  
Power Factor ◽  
Closed Loop ◽  
Field Testing ◽  
Adaptive Power

Development and Field Testing of an Adaptive Power Factor Controller

1987 ◽  
Vol EC-2 (4) ◽  
pp. 520-525 ◽  
Author(s):  
M. A. El-Sharkawi ◽  
S. S. Venkata ◽  
S. V. Vadari ◽  
M. L. Chen ◽  
N. G. Butler ◽  
...  
Keyword(s):  
Power Factor ◽  
Field Testing ◽  
Adaptive Power

Development and Field Testing of an Adaptive Power Factor Controller

1987 ◽  
Vol PER-7 (12) ◽  
pp. 26-27
Author(s):  
M. A. El-Sharkawi ◽  
S. S. Venkata ◽  
S. V. Vadari ◽  
M. L. Chen ◽  
N. G. Butler ◽  
...  
Keyword(s):  
Power Factor ◽  
Field Testing ◽  
Adaptive Power

Adaptive Power Factor Allocation for Cooperative Full-Duplex NOMA Systems With Imperfect SIC and Rate Fairness

2020 ◽  
Vol 69 (11) ◽  
pp. 14061-14066 ◽  
Author(s):  
Brena K. S. Lima ◽  
Daniel Benevides da Costa ◽  
Liang Yang ◽  
F. Rafael M. Lima ◽  
Rodolfo Oliveira ◽  
...  
Keyword(s):  
Power Factor ◽  
Full Duplex ◽  
Adaptive Power

Research on Energy-Saving EDM Pulse Power Supply

2008 ◽  
Vol 375-376 ◽  
pp. 714-718
Author(s):  
Yu Kui Wang ◽  
Bo Yan Song ◽  
Zhen Long Wang ◽  
Wan Sheng Zhao
Keyword(s):  
Energy Saving ◽  
Power Factor ◽  
Power Supply ◽  
High Speed ◽  
Closed Loop ◽  
Pulse Generator ◽  
Electrical Discharge Machining ◽  
Pulse Power ◽  
Electrode Wear ◽  
Pulse Power Supply

The performance and stability of output of electrical discharge machining (EDM) are determined by the output of EDM pulse power supply. In order to resolve disadvantages of conventional pulse power supply, such as undesirable efficiency and low power factor, the prototype design of energy-saving EDM pulse power supply is developed. It is composed of such three stages as a single-phase active power factor correction (PFC) pre-regulator, a full-bridge phase shift zero voltage switching (FB-PS-ZVS) converter based on complex control paralleled of machining current closed-loop and voltage closed-loop at period of spark gap insulation, and a pulse generator based on machining sequence control. The PFC pre-regulator contributes to a great increase to about 0.95 in its power factor. The efficiency of the new system is considerably increased to about 70% due to design of ZVS. The pulse generator contributes to the pulse machining current without a tail. Experiment results demonstrates that the prototype is capable of low electrode wear, high speed, stable machining.

scholarly journals Adaptive Power Factor Regulation Under Asymmetrical and Non-sinusoidal Grid Condition with Distributed Energy Resource

IEEE Access ◽  
2021 ◽  
pp. 1-1
Author(s):  
Jakson P. Bonaldo ◽  
Vinicius A. De Souza ◽  
Augusto M. Dos Santos Alonso ◽  
Luis De Oro Arenas ◽  
Fernando P. Marafao ◽  
...  
Keyword(s):  
Power Factor ◽  
Energy Resource ◽  
Distributed Energy ◽  
Distributed Energy Resource ◽  
Adaptive Power

scholarly journals Control of a battery charger for electric vehicles with unity power factor

2021 ◽  
Vol 2 (1) ◽  
pp. 32-44
Author(s):  
Federico M. Serra ◽  
Cristian H. De Angelo
Keyword(s):  
Electric Vehicles ◽  
Power Factor ◽  
Closed Loop ◽  
Constant Current ◽  
Nonlinear Controller ◽  
Battery Charger ◽  
Unity Power Factor ◽  
Single Model ◽  
Electric Vehicle Battery ◽  
Battery Bank

A nonlinear controller for an electric vehicle battery charger is proposed in this work. The controller allows charging the battery bank with constant current and constant voltage charging profile, while ensuring unity power factor and low distortion in the grid current. A single model is made for the complete system and the controller is designed using interconnection and damping assignment. The proposed controller ensures the closed-loop stability and allows decoupling the system avoiding disturbances in the electric grid and battery bank. The proposal is validated with simulation results.

Improved Time Responses of PI & FL Controlled SEPIC Converter based Series Resonant Inverter fed Induction Heating System

2018 ◽  
Vol 9 (1) ◽  
pp. 305
Author(s):  
Muthu Periyasamy ◽  
Chandrahasan Umayal
Keyword(s):  
Induction Heating ◽  
Power Factor ◽  
Closed Loop ◽  
Fuzzy Logic Controller ◽  
Heating System ◽  
Unity Power Factor ◽  
Resonant Inverter ◽  
Series Resonant ◽  
Series Resonant Inverter ◽  
Induction Heating System

This work deals with the Power Factor Corrected Single-Ended Primary Inductor Converter (PFC-SEPIC) based voltage fed closed loop full bridge series resonant induction heating system for household induction heating applications. The output voltage of the front end PFC-SEPIC converter fed series resonant inverter governs the controllers, which may be PI controller or Fuzzy Logic Controller (FLC). The analysis and comparison of time responses are presented in this paper. The PFC-SEPIC converter is used to improve the output power and the THD of source side current are compared for PI and FLC controllers. PFC-SEPIC converter maintains improved current and voltage at unity power factor through the input mains. The SEPIC converter based Voltage Fed Full Bridge Series Resonant Inverter (VFFBSRI) converts the voltage at a frequency of 10 kHz to a level suitable for household induction heating. A 1 kW SEPIC converter based VFFBSRI with RLC load is designed and simulated using MATLAB/ Simulink and hardware is fabricated.

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