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| Content Provider | IET Digital Library |
|---|---|
| Author | Klatt, Matthias Stiegler, Robert Meyer, Jan Schegner, Peter |
| Abstract | With an increasing number of power converters using fast switching technologies, more cases of interference between devices in the frequency range from 2 to 150 kHz occur. The most widely used technique in such devices is pulse-width modulation (PWM) [e.g. in photovoltaic inverters (PVIs), active harmonic filters, battery storage systems and some types of electric vehicle chargers]. Only little is known about the behaviour of those sources, the factors influencing their emission and the interaction with other devices and the propagation in the network. To extend such knowledge, reliable and accurate models are required. In this study, a quantitative model for the prediction of voltages and currents in this frequency range is developed and verified. Since in most cases no information about internal circuits and controls of the devices is available, a measurement-based black-box approach is used. The emission around the switching frequency of single-phase voltage-source power converters is combined into a single emission source represented by a Thévenin equivalent. The general method to parameterise the model is presented and exemplarily applied for two PVIs and one battery-electric vehicle charger. Moreover, the interaction of two devices at a joint point of connection is simulated and compared with real measurements. |
| Starting Page | 5478 |
| Ending Page | 5486 |
| Page Count | 9 |
| ISSN | 17518687 |
| Volume Number | 13 |
| e-ISSN | 17518695 |
| Issue Number | Issue 24, Dec (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-gtd/13/24 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2018.6985 |
| Journal | IET Generation, Transmission & Distribution |
| Publisher Date | 2019-10-22 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Active Harmonic Filter Battery Chargers Battery Powered Vehicle Battery Storage System Battery-electric Vehicle Charger Control of Electric Power System Electric Vehicle Electric Vehicle Chargers Frequency 2.0 KHz to 150.0 KHz Frequency Domain Analysis Frequency Range Generic Frequency-domain Model Harmonics Higher-frequency Emission Invertors Measurement-based Black-box Approach Other Power Apparatus And Electric Machine Photovoltaic Power System Power Converter Power Grid Power Harmonic Filter Power Supplies to Apparatus Power Supply Quality Pulse Width Modulation PWM Invertors PWM Power Converter PWM-based Power Converter Quantitative Model Reliable Model Single Emission Source Single-phase Voltage-source Power Converter Solar Power Stations Switching Circuit Switching Converter Transportation |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering |
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