scholarly journals Input Power Factor Regulation and Experimental Characteristics of Matrix Converter Control for Reducing Output Voltage Harmonics

2006 ◽  
Vol 126 (9) ◽  
pp. 1193-1201 ◽  
Author(s):  
Hiroshi Shimada ◽  
Takaharu Takeshita
Keyword(s):  
Power Factor ◽  
Output Voltage ◽  
Input Power ◽  
Matrix Converter ◽  
Voltage Harmonics

The Three-Level Sine-Wave Inverter with Power Factor Correction (PFC)

2015 ◽  
Vol 781 ◽  
pp. 402-405
Author(s):  
Napat Krachangchaeng ◽  
Sakorn Po-Ngam
Keyword(s):  
Power Factor ◽  
Output Voltage ◽  
Power Factor Correction ◽  
Sine Wave ◽  
Input Power ◽  
Small Current ◽  
Uninterruptible Power Supply ◽  
Current Harmonics ◽  
Electric Device ◽  
Uninterruptible Power

Nowadays, the uninterruptible power supply (UPS) is important in reliability for electric device. The UPS need high quality electricity. Therefore, the simulation of the three-level sine-wave inverter with power factor correction (PFC) is proposed in this paper. Moreover, the circuit’s guidelines of the active PFC controller in the active PFC and the sinusoidal output voltage are also presented. Validity of the proposed the three-level sine-wave inverter with the active PFC is confirmed by simulation. The simulation results show the very small current harmonics, the input power factor most nearly unity and constant output voltage when the suddenly step-load changed.

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