A sensorless I/f control method for single-phase BLDC fan motors with efficiency optimization by power factor control

2012 ◽  
Author(s):  
Kai-Sheng Kan ◽  
Ying-Yu Tzou
Keyword(s):  
Power Factor ◽  
Single Phase ◽  
Control Method ◽  
Efficiency Optimization ◽  
Power Factor Control

scholarly journals Input Power Factor Control of Matrix Converter Based Transmitter for Transient Electromagnetic Sounding

2018 ◽  
Author(s):  
Gang Li
Keyword(s):  
Power Factor ◽  
Single Phase ◽  
Control Method ◽  
Input Power ◽  
Matrix Converter ◽  
Space Vector Pwm ◽  
Electromagnetic Sounding ◽  
Transient Electromagnetic ◽  
Three Phase ◽  
Power Factor Control

Three-phase to single-phase matrix converter (TSMC) is used as the transmitter for transient electromagnetic method (TEM) instrument, instead of an AC-DC converter and an H-bridge inverter. The transmitter produces excitation current for primary field. The output current has a waveform with a bipolar square of half duty cycle, which is required by TEM. The space vector PWM based on input currents is discussed in detail. The control method of input power factor is proposed for TSMC. The simulation model of TSMC is established and the simulations of different conditions are completed. The simulation results show the controllability of the input power factor is illustrated.

Cooperative Voltage Control Method by Power Factor Control of PV Systems and LRT

2012 ◽  
Vol 132 (4) ◽  
pp. 309-316 ◽  
Author(s):  
Shoji Kawasaki ◽  
Noriaki Kanemoto ◽  
Hisao Taoka ◽  
Junya Matsuki ◽  
Yasuhiro Hayashi
Keyword(s):  
Power Factor ◽  
Control Method ◽  
Voltage Control ◽  
Pv Systems ◽  
Power Factor Control

scholarly journals Power Factor Control Method Based on Virtual Capacitors for Three-Phase Matrix Rectifiers

IEEE Access ◽  
2019 ◽  
Vol 7 ◽  
pp. 12484-12494 ◽  
Author(s):  
Jae-Chang Kim ◽  
Sangshin Kwak ◽  
Taehyung Kim
Keyword(s):  
Power Factor ◽  
Control Method ◽  
Three Phase ◽  
Power Factor Control

Research of Sensorless Drive of Permanent Magnet Synchronous Motor Based on Power Factor Control

2013 ◽  
Vol 655-657 ◽  
pp. 1169-1174
Author(s):  
Bing Han ◽  
Jian Ying Xu ◽  
Shan Qiao
Keyword(s):  
Vector Control ◽  
Permanent Magnet ◽  
Power Factor ◽  
Control Method ◽  
Permanent Magnet Synchronous Motor ◽  
Synchronous Motor ◽  
Voltage Reference ◽  
Stator Current ◽  
Sensorless Vector Control ◽  
Power Factor Control

For the traditional sensorless vector control systems of permanent magnet synchronous motor, a new sensorless vector control method is proposed based on the power factor control. On the basis of analysis of the mathematical models for the permanent magnet synchronous motor, established a power factor voltage reference frame system. The rotor position and speed is estimated by the control of power factor angle, and then from the point of view of efficiency drive to configure the stator current. This stator current is arranged in the vicinity of the current minimum trajectory. This method not only can control the speed, but also ensure high power factor and high drive efficiency of the permanent magnet synchronous motor. The simulation results proved the effectiveness and feasibility of this control method.

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