module-3a ecen 613 rectifier & inverter circuits...single phase diode rectifier – power factor...
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Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://www.ece.tamu.edu/People/bios/benjetip.htmlECEN 613Rectifiers & Inverters
ECEN 613
Rectifier & Inverter Circuits
Professor: Dr. P. Enjeti with Michael T. DanielRm. 024, WEBEmail: enjeti@tamu.edu
michael.t.daniel@tamu.edu
Textbook: Power Electronics – Converters, Applications & Design (Third edition), by: Ned Mohan et al., John Wiley
COURSE WEBPAGE: http://eCampus.tamu.edu
Module-3a
1
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
2
Chapter 18 Utility Interface
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
Various Loads Supplied by the Utility Source
• PCC is the point of common coupling
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
Single Phase Diode Rectifier – Power factor correction & Harmonic reduction techniques
1. Series resonant L-C (60Hz) tuned filter
2. Parallel resonant L-C (180 Hz) tuned filter
3. Use of nonlinear inductors & capacitors
4. Active PFC – boost scheme
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
Single Phase Diode Rectifier – Power factor correction & Harmonic reduction techniques – Passive techniques
Series resonant L-C
Parallel resonant L-C
• Lf and Cf resonant frequency is 60Hz
• Component size and weight
• Voltage of inductor and capacitor is an issue
• Lf and Cf resonant frequency is 180Hz
• Component size and weight is of concern
• Rating of inductor and capacitor is an issue
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
Single Phase Diode Rectifier – Power factor correction & Harmonic reduction techniques – Passive techniques
Use of nonlinear inductors & capacitors
Disadvantages:
DC-DC
Converter
I. Takahashi etal, Application of nonlinear impedance of diodes and capacitors or inductors, IEEE IAS Annual meeting, pp 757-762, 1993
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
Single Phase Diode Rectifier – Power factor correction & Harmonic reduction techniques – Active Boost PFC Approach – Operating principle
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
Single Phase Diode Rectifier – Power factor correction & Harmonic reduction techniques – Active Boost PFC Approach – Capacitor Design
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
Active Boost PFC – Analysis – Continuous conduction – Inductor Design
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
Active Boost PFC – Analysis – Continuous conduction –
Design a single phase pf corrected boost pfc for the following
specifications:
Output power P = 1000W
Input voltage = 120V, 60Hz rms
Output voltage = 200V with voltage ripple of 2%
Assume a switching frequency of 100kHz and 2% ripple current
in inductor.
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
Active Boost PFC – Analysis – Continuous conduction –
Design a single phase pf corrected boost pfc for the following
specifications:
Output power P = 1000W
Input voltage = 120V, 60Hz rms
Output voltage = 200V with voltage ripple of 2%
Assume a switching frequency of 100kHz and 2% ripple current
in inductor.
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
12
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
13
Dr. Prasad Enjeti, Department of Electrical & Computer Engineering, Texas A&M University
http://Enjeti.tamu.eduECEN 613Rectifiers & Inverters
14
TI-Application notes of boost PFC
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