Abstract:
One of the main problems related to single-phase AC railway electrification is the unbalance generated in the three-phase supply grid. This issue does not exist in case o...Show MoreMetadata
Abstract:
One of the main problems related to single-phase AC railway electrification is the unbalance generated in the three-phase supply grid. This issue does not exist in case of DC electrification. The aim of this paper is to present a novelty topology for generating 25kV AC from the exisiting 3kV DC catenary, avoiding the generation of unbalances in the distribution grid. The system is proposed as a completely scalable solution, with multiple Grid-Forming DC/AC converters, whose control is based on the single phase Virtual Synchronous Machine concept. One of the main advantages of this approach is that all converters in the system provide support to the voltage and frequency. Besides, there is no need for any higher level controller and communication system. With a proper power control design, the power amount delivered by each converter, with respect to the total value demanded by the loads, can be established.
Date of Conference: 19-21 June 2023
Date Added to IEEE Xplore: 31 August 2023
ISBN Information:
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Keywords assist with retrieval of results and provide a means to discovering other relevant content. Learn more.
- IEEE Keywords
- Index Terms
- Inverter Voltage ,
- Railway Catenary ,
- Control System ,
- Power Control ,
- Virtual Machines ,
- Distribution Grid ,
- Three-phase Grid ,
- Rate Values ,
- Frequency Values ,
- Control Structure ,
- Difference In Amplitude ,
- Voltage Source ,
- Control Loop ,
- Rated Power ,
- Power Transfer ,
- Working Frequency ,
- Output Impedance ,
- Voltage Loop ,
- Active Power Control ,
- Voltage Control Loop ,
- High-voltage Lines ,
- Power Loop ,
- Full-state Feedback ,
- Single-phase System
- Author Keywords
Contents Keywords assist with retrieval of results and provide a means to discovering other relevant content. Learn more.
- IEEE Keywords
- Index Terms
- Inverter Voltage ,
- Railway Catenary ,
- Control System ,
- Power Control ,
- Virtual Machines ,
- Distribution Grid ,
- Three-phase Grid ,
- Rate Values ,
- Frequency Values ,
- Control Structure ,
- Difference In Amplitude ,
- Voltage Source ,
- Control Loop ,
- Rated Power ,
- Power Transfer ,
- Working Frequency ,
- Output Impedance ,
- Voltage Loop ,
- Active Power Control ,
- Voltage Control Loop ,
- High-voltage Lines ,
- Power Loop ,
- Full-state Feedback ,
- Single-phase System
- Author Keywords
