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| Content Provider | IET Digital Library |
|---|---|
| Author | Zaidi, Arsalan Sunderland, Keith Conlon, Michael |
| Abstract | Transport electrification is becoming the mainstream as a means to improve efficiency, performance, and sustainability of transportation systems. Electrical vehicles (EVs) can help to de-carbonise the environment, but a downside is the technical issues presented to the low-voltage distribution network. To quantify the stochastic nature of transport-affected electrification, probabilistic load flow is employed. Monte Carlo-based simulation is applied to accommodate the probabilistic uncertainties associated with variable EV charging patterns. This study considers high-power charging (up to 11 kW) at the domestic level while monitoring power quality variations (voltage drop, voltage unbalance factor, voltage sag) standards. This work focuses on the Irish and UK, distribution system operator's–transmission system operator's perspectives, as it will help to identify the likely impacts due to high-EV charger proliferation at household locations. The results indicate that if a 3.68 kW charger is used at the domestic level, it is possible for 40% of total household consumers to connect EVs directly to the distribution network without any power quality breaches. Furthermore, the proliferation of EV can be increased up to 100% if constrained to the start, and middle portions of the network (relative to the feeder substation transformer). For higher charger capacities (up to 11 kW), a bottleneck is presented regarding a resultant voltage unbalance factor. |
| Starting Page | 5918 |
| Ending Page | 5926 |
| Page Count | 9 |
| ISSN | 17518687 |
| Volume Number | 14 |
| e-ISSN | 17518695 |
| Issue Number | Issue 24, Dec (2020) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-gtd/14/24 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2020.0673 |
| Journal | IET Generation, Transmission & Distribution |
| Publisher Date | 2020-09-09 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Battery Chargers Battery Powered Vehicle Distribution Network Distribution System Operator Domestic Level Electric Vehicle Charging Electrical Vehicle Harmonics High-EV Charger Proliferation High-power Charging High-power Domestic EV Charging Proliferation Impact Assessment Load Flow Low-voltage Distribution Network Monte Carlo Method Monte Carlo-based Simulation Power 3.68 KW Power Grid Power Quality Breaches Power Quality Variations Power Supply Quality Power System Measurement Power System Measurement And Metering Probabilistic Load Flow Probabilistic Uncertainties Resultant Voltage Stochastic Nature Substations Technical Issues Transport Electrification Transport-affected Electrification Transportation Transportation System Variable EV Charging Pattern Voltage Drop Voltage Sag Voltage Unbalance Factor |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering |
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