scholarly journals Analysis of Pulse Width Modulation Schemes for Electric Vehicle Power Converters

2016 ◽  
Vol 65 (12) ◽  
pp. 2225-2231
Author(s):  
Ngoc-Thinh Quach ◽  
Sang Heon Chae ◽  
Eel-Hwan Kim ◽  
Seung-Yong Yang ◽  
Chang-Jin Boo ◽  
...  
Keyword(s):  
Electric Vehicle ◽  
Pulse Width ◽  
Pulse Width Modulation ◽  
Power Converters ◽  
Modulation Schemes

scholarly journals Easy-Riding Compact Electric Shopping Vehicle

2021 ◽  
Vol 33 (5) ◽  
pp. 1178-1189
Author(s):  
Takeharu Hayashi ◽  
Yoshihiko Takahashi ◽  
Satoru Yamaguchi ◽  
◽  
Keyword(s):  
Electric Power ◽  
Electric Vehicle ◽  
Pulse Width ◽  
Pulse Width Modulation ◽  
Standing Position ◽  
Power Source ◽  
Sitting Position ◽  
Speed Controller ◽  
Experimental Vehicle ◽  
Modulation Control

We are developing a small compact electric vehicle for shopping purposes. In this study, we fabricated an experimental vehicle, that uses only six small rechargeable AA batteries (7.2 V, approximately 2 A·h) as an electric power source. The vehicle user can select between two driving positions: standing and sitting. A compact transmission with a 90-W DC motor and a speed controller that uses pulse width modulation control was designed as an actuating system. Running experiments were conducted to observe the performance of the fabricated vehicle on a flat floor in a gymnasium. The fabricated vehicle was able to operate for 52 min at a speed of 2.73 km/h. The getting-on and getting-off processes in the vehicle were repeated many times during shopping. The human leg strain while getting on and off the vehicle was investigated by electromyogram measurement. During the getting-on and getting-off processes in the vehicle, the myoelectric potential of the quadriceps increased in the sitting position but did not increase in the standing position. The experimental results show that a user suffers more strain in the sitting position than in the standing position.

scholarly journals A New Configuration of Three-Level ZSI Using Transistor Clamped Topology

Energies ◽  
2020 ◽  
Vol 13 (6) ◽  
pp. 1469
Author(s):  
Santosh Sonar
Keyword(s):  
Pulse Width ◽  
Pulse Width Modulation ◽  
Performance Degradation ◽  
Space Vector ◽  
Power Semiconductors ◽  
Power Switches ◽  
Modulation Schemes

In this paper, a three-level ZSI (impedance source inverter) based on transistor clamped theory is proposed. It uses the least number of switch counts and associated gate circuitry among all existing topologies of three-level ZSI without any performance degradation. The existing three-level ZSI topologies require three power switches to be turned ON for upper-lower shoot-through (ULST), and four power switches to be turned ON for full dc-link shoot-through (FST). However, with the proposed configuration, upper–lower shoot-through (ULST) and full dc-link shoot-through (FST) is inserted by turning ON only two power semiconductors. A comparison between diode clamped, transistor clamped, and t-type is presented. The proposed topology can realize any of the existing sine-triangle- or space vector-based PWM (pulse width modulation) schemes, and all existing configurations of three-level ZSI can merge into the proposed inverter configuration.

Design of pulse width modulation controllers for stabilization and tracking in derived DC-to-DC power converters

1996 ◽  
Vol 64 (2) ◽  
pp. 301-318 ◽  
Author(s):  
HEBERTT SIRA-RAMÍREZ ◽  
MAURICIO GARCÍA-ESTEBAN ◽  
RAFAEL A. PÉREZ-MORENO
Keyword(s):  
Pulse Width ◽  
Pulse Width Modulation ◽  
Power Converters ◽  
Dc Power

scholarly journals A REDUCED SWITCH THIRTEEN LEVEL INVERTER FOR PHOTOVOLTAIC APPLICATIONS

2021 ◽  
pp. 71-75
Author(s):  
Mr.A.VinothKumar ◽  
Dr.S.Vijayabaskar ◽  
Ms.C.Selsiya
Keyword(s):  
Pulse Width ◽  
Output Voltage ◽  
Pulse Width Modulation ◽  
Power Converters ◽  
Renewable Energy Sources ◽  
Photovoltaic Applications ◽  
Multi Level ◽  
Photo Voltaic ◽  
Inverter Topology ◽  
Lower Voltage

The demand for clean and sustainable energy has prompted research into all types of renewable energy sources, including solar energy generated by photovoltaic systems. We suggest a new multi level inverter topology in this paper. This paper looks at a PV-based 13-level multi level inverter with fewer switches. The most gainful power converters for high power applications and modern applications with fewer switches are multi level inverters. PWM methodology is used to manage the proposed topology. The proposed topology has one of the highest efficiency and lower voltage THD. The inverter produces output voltage in thirteen levels: Vdc, Vdc/2, Vdc/3, Vdc/4, Vdc/5, Vdc/6, 0, -Vdc, -Vdc/2, -Vdc/3, -Vdc/4, -Vdc/5 and -Vdc/6. The validity of the proposed inverter is verified through simulation. KEY WORDS: Pulse Width modulation (PWM), Photo Voltaic (PV) Source.

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