Abstract
A model based on virtual power plant is proposed to control the charging process in real time, which not only considers the travel behaviors of EV(Electric Vehicle) owners but also relieves the load imbalance of distribution network to realize the interaction between EVs and distribution network. A two-layer algorithm is proposed to solve the model. Its outer layer adopts the static routing algorithm to obtain the load data and the back/forward sweep method to calculate the nodal voltage and power loss of distribution network; its inner layer adopts the aging algorithm to judge the accessing phase of EV and the round-robin scheduling algorithm to balance the three-phase loads of distribution network. The power loss and the load imbalance degree of distribution network can be reduced by adjusting the charging time of EVs. Simulative results show that, the proposed strategy can not only avoid the charging peak and lower the three-phase load imbalance degree of distribution network but also reduce its power loss and ensure its safe and economical operation.
| Original language | English |
|---|---|
| Pages (from-to) | 256-263 |
| Number of pages | 8 |
| Journal | Dianli Zidonghua Shebei/Electric Power Automation Equipment |
| Volume | 37 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 10 Aug 2017 |
Keywords
- Distribution network
- Electric vehicles
- Interaction
- Load imbalance
- Orderly charging
- Real-time charging control
- Round-robin scheduling algorithm
- Virtual power plant
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