Implementation of hysteresis current control for single phase grid connected inverter (2)
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This document discusses the implementation of a hysteresis current control method for a single-phase grid-connected inverter used in distributed generation applications. The control algorithm, executed on a digital signal processor (DSP), provides robust current regulation ensuring unity power factor, with both simulation and experimental results demonstrating its effectiveness. The proposed method reduces components needed and overall costs compared to conventional systems.
![ELECTRICAL PROJECTS USING MATLAB/SIMULINK
Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in
0-9347143789/9949240245
For Simulation Results of the project Contact Us
Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in
0-9347143789/9949240245
CONCLUSION:
This paper presents a single-band hysteresis current control for single-phase grid connected
inverter. The effectiveness of the control scheme has been verified both by simulation and
experimentally. The current produced by this inverter is in phase with grid voltage and also
achieve unity power factor. This method is robust and effective than conventional reference
signal generation by the controller and matching it with the grid voltage at later stage. This
method also reduces the number of components such as Phase Lock Loop (PLL) circuits and cost
significantly.
REFERENCES:
[1] http://en.wikipedia.org/wiki/Distributed _ generation
[2] Kojabadi, et. al, "A Novel DSP-Based Current-Controlled PWM Strategy for Single Phase
Grid Connected Inverters", IEEE Trans. on Power Electronics, Vol. 21,No.4, July 2000, pp. 985-
993
[3] Bor-Jehng Kang and Chang-Ming Liaw, "A Robust Hysteresis Current-Controlled PWM
Inverter for Linear PMSM Driven Magnetic Suspended Positioning System". IEEE Trans. on
Ind. Electronics, Vol. 48, No. 5, October 2001, pp 956-967
[4] S. Buso, S. Fasolo, L. Malesani, and P. Mattavelli, "A Dead-Beat Adaptive Hysteresis
Current Control" IEEE Trans. on Ind. Applications, Vol. 36, No.4 July/August. 2000, pp 1174-
1180](https://image.slidesharecdn.com/implementationofhysteresiscurrentcontrolforsingle-phasegridconnectedinverter2-170124103829/85/Implementation-of-hysteresis-current-control-for-single-phase-grid-connected-inverter-2-5-320.jpg)
![ELECTRICAL PROJECTS USING MATLAB/SIMULINK
Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in
0-9347143789/9949240245
For Simulation Results of the project Contact Us
Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in
0-9347143789/9949240245
[5] P.A. Dahono and I. Krisbiantoro, "A Hystersis Current Controller for Single-Phase Full-
bridge Inverter". Int. Conf. on Power Electronics and Electric Drives 2001, Indonesia, pp 415-
419](https://image.slidesharecdn.com/implementationofhysteresiscurrentcontrolforsingle-phasegridconnectedinverter2-170124103829/85/Implementation-of-hysteresis-current-control-for-single-phase-grid-connected-inverter-2-6-320.jpg)
Implementation of hysteresis current control for single phase grid connected inverter (2)
- 1. ELECTRICAL PROJECTS USING MATLAB/SIMULINK Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in 0-9347143789/9949240245 For Simulation Results of the project Contact Us Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in 0-9347143789/9949240245 Implementation of Hysteresis Current Control for Single-Phase Grid Connected Inverter ABSTRACT: This paper describes a control method for single phase grid-connected inverter system for distributed generation application. Single-band Hysteresis Current Controller is applied as the control method. The control algorithm is implemented in Digital Signal Processor (DSP) TMS320F2812. The control method provides robust current regulation and achieve unity power factor. Simulation and experimental results are provided to demonstrate the effectiveness of the design. KEYWORDS: 1. Single-Phase Grid Connected Inverter 2. Hysteresis Current Control and TMS320F2812 SOFTWARE: MATLAB/SIMULINK
- 2. ELECTRICAL PROJECTS USING MATLAB/SIMULINK Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in 0-9347143789/9949240245 For Simulation Results of the project Contact Us Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in 0-9347143789/9949240245 BLOCK DIAGRAM: Fig.1 Proposed hystresis current control for single-phase grid connected inverter EXPECTED SIMULATION RESULTS: Fig. 2 Error signal and hysteresis band
- 3. ELECTRICAL PROJECTS USING MATLAB/SIMULINK Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in 0-9347143789/9949240245 For Simulation Results of the project Contact Us Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in 0-9347143789/9949240245 Fig.3. Switching pattern of hysteresis current control Fig.4 Inverter output voltage before inductor
- 4. ELECTRICAL PROJECTS USING MATLAB/SIMULINK Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in 0-9347143789/9949240245 For Simulation Results of the project Contact Us Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in 0-9347143789/9949240245 Fig. 5 Simulation result Grid voltage and Grid current Fig. 6 Simulation result Grid voltage and Grid current at unity power factor
- 5. ELECTRICAL PROJECTS USING MATLAB/SIMULINK Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in 0-9347143789/9949240245 For Simulation Results of the project Contact Us Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in 0-9347143789/9949240245 CONCLUSION: This paper presents a single-band hysteresis current control for single-phase grid connected inverter. The effectiveness of the control scheme has been verified both by simulation and experimentally. The current produced by this inverter is in phase with grid voltage and also achieve unity power factor. This method is robust and effective than conventional reference signal generation by the controller and matching it with the grid voltage at later stage. This method also reduces the number of components such as Phase Lock Loop (PLL) circuits and cost significantly. REFERENCES: [1] http://en.wikipedia.org/wiki/Distributed _ generation [2] Kojabadi, et. al, "A Novel DSP-Based Current-Controlled PWM Strategy for Single Phase Grid Connected Inverters", IEEE Trans. on Power Electronics, Vol. 21,No.4, July 2000, pp. 985- 993 [3] Bor-Jehng Kang and Chang-Ming Liaw, "A Robust Hysteresis Current-Controlled PWM Inverter for Linear PMSM Driven Magnetic Suspended Positioning System". IEEE Trans. on Ind. Electronics, Vol. 48, No. 5, October 2001, pp 956-967 [4] S. Buso, S. Fasolo, L. Malesani, and P. Mattavelli, "A Dead-Beat Adaptive Hysteresis Current Control" IEEE Trans. on Ind. Applications, Vol. 36, No.4 July/August. 2000, pp 1174- 1180
- 6. ELECTRICAL PROJECTS USING MATLAB/SIMULINK Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in 0-9347143789/9949240245 For Simulation Results of the project Contact Us Gmail: asokatechnologies@gmail.com, Website: http://www.asokatechnologies.in 0-9347143789/9949240245 [5] P.A. Dahono and I. Krisbiantoro, "A Hystersis Current Controller for Single-Phase Full- bridge Inverter". Int. Conf. on Power Electronics and Electric Drives 2001, Indonesia, pp 415- 419