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| Content Provider | IET Digital Library |
|---|---|
| Author | Mukherjee, Nilanjan De, Dipankar |
| Abstract | A hybrid passive-active damping solution with improved system stability margin and enhanced dynamic performance is proposed for high power grid interactive converters. In grid connected active rectifier/inverter application, line side LCL filter improves the high frequency attenuation and makes the converter compatible with the stringent grid power quality regulations. Passive damping though offers a simple and reliable solution but it reduces overall converter efficiency. Active damping solutions do not increase the system losses but can guarantee the stable operation up to a certain speed of dynamic response which is limited by the maximum bandwidth of the current controller. This paper examines this limit and introduces a concept of hybrid passive-active damping solution with improved stability margin and high dynamic performance for line side LCL filter based active rectifier/inverter applications. A detailed design, analysis of the hybrid approach and trade-off between system losses and dynamic performance in grid connected applications are reported. Simulation and experimental results from a 10 kVA prototype demonstrate the effectiveness of the proposed solution. An analytical study on system stability and dynamic response with the variations of various controller and passive filter parameters is presented. |
| Starting Page | 309 |
| Ending Page | 325 |
| Page Count | 17 |
| ISSN | 17554535 |
| Volume Number | 6 |
| e-ISSN | 17554543 |
| Issue Number | Issue 2, Feb (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/6/2 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2012.0032 |
| Journal | IET Power Electronics |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Apparent Power 10 KVA Control of Electric Power System Current Control Damping Electric Current Control Electromagnetic Compatibility Electromagnetic Interference EMI Filter Grid Power Quality Regulation Harmonics High Frequency Attenuation High Power Grid Interactive Converter Hybrid Damping Approach Hybrid Passive-active Damping Solution Interference LC Circuit LCL Filter Other Power Apparatus And Electric Machine Passive Filter Passive Filter Parameter Power Conversion Harmonics Power Converter Power Harmonic Filter Power Supplies to Apparatus Power Supply Quality PWM Inverter PWM Invertors PWM Rectifier Resonance Oscillation System Stability Voltage Control |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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