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Abstract
This paper presents an impedance-based modelling method for length-scalable long transmission cable (LTC), which is able to assess influence of LTC on stability of grid-connected inverter (GCI). Electrical parameters of power cable in per unit-length (p.u.l.) are first extracted from the measured terminal short-circuited and open-circuited admittances. Then, the terminal admittance of power cable in different length can be derived on the basis of the obtained p.u.l. parameters. Finally, a decoupled two-port circuit model is established for the LTC using the derived terminal admittance. Simulation results are given to validate effectiveness of the proposed impedance based modelling method for LTC. The proposed impedance based modelling method is able to avoid repetitive terminal impedance measurement. Also, the proposed model is able to support impedance-based stability criterion for GCI with length scalable LTC.
Original language | English |
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Title of host publication | Proceedings of 2018 IEEE 4th Southern Power Electronics Conference (SPEC) |
Number of pages | 8 |
Publisher | IEEE Press |
Publication date | Dec 2018 |
Article number | 8635872 |
ISBN (Electronic) | 9781538682579 |
DOIs | |
Publication status | Published - Dec 2018 |
Event | The 4th IEEE Southern Power Electronics Conference, SPEC 2018 - Singapore, Singpore, Singapore Duration: 10 Dec 2018 → 13 Dec 2018 http://spec2018.sg/ |
Conference
Conference | The 4th IEEE Southern Power Electronics Conference, SPEC 2018 |
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Location | Singapore |
Country/Territory | Singapore |
City | Singpore |
Period | 10/12/2018 → 13/12/2018 |
Internet address |
Keywords
- Grid-connected inverter
- Impedance-based stability analysis
- Long transmission cable
- p.u.l. parameters
- Two-port circuit
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Dive into the research topics of 'Impedance-Based Modelling Method for Length-Scalable Long Transmission Cable for Stability Analysis of Grid-Connected Inverter'. Together they form a unique fingerprint.Projects
- 1 Finished
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COPE: Voltage Control and Protection for a Grid towards 100 Power Electronics and Cable Network
Chen, Z., Fang, J., Su, C. & Miltersen, A. H.
01/10/2017 → 03/12/2020
Project: Research