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Th
e Hon
g Kon
g
Poly
techn
ic
Univers
ity
EV Charging System with Intelligent Load Management Control配備智能供電管理控制的電動車充電系統
Advanced control algorithms for intelligent distribution of incoming supply to all connected chargers
能把輸入電流有效分配予所有已接駁充電器的先進智能控制算法
充電設施不足是電動車最常見的問題。事實上，一個停車場能安裝
多少充電器乃取決於它的電力資源。我們研發的充電系統採納多個
先進的控制算法，能夠提供智能供電管理控制方案。在電力資源不
變的情況下，它會根據每輛已連接電動車的實際電力需求，智慧地
把電力資源分配到各充電器上。此系統能優化停車場電力資源的
使用，增加可安裝充電器的數量，並提供全功率充電，最少可減少
50%電力供應需求。預計到了2019年末，香港將有8個停車場採用
此系統，當中涉及超個100個充電器。
The lack of charging facilities is a common complaint among EV
drivers. In fact, the number of chargers allowed for installation
in a carpark depends on the size of its electricity resource. Our
charging system provides intelligent load management using our
advanced control algorithms. Under the condition that the incoming
supply remains unchanged, the system can intelligently distribute
the supply current to all connected EV chargers according to the
actual electricity demand of each EV. It can optimize the utilization
of electricity resource by allowing installation of more additional
chargers, enabling full-power charging and reducing at least 50%
of energy provision. It is expected the system will be adopted in 8
carparks in Hong Kong, involving over 100 chargers, by the end of
2019.
•有助增加充電器的覆蓋率
•優化充電器的使用時間和能源效率
•建設充電器基礎設施的始初成本偏低
•只需有限空間，甚至不需空間安裝額外電力變壓器
•減少管理車隊的人力在充電時轉換電動車
•支援現有或新的電子支付系統
• Helps increase the coverage of charging points
• Optimizes utilization of chargers in terms of both time and energy
efficiencies
• Involves low initial setup cost for building the charging
infrastructure
• Requires no or limited space to install additional power
transformers
• Reducesmanpowerforvehiclefleetmanagementtoswapvehicles
for charging
• Supports existing or new electronic payment systems
• Installation in public carparks with limited electricity
• An automatic load sharing solution for existing EV charging
systems
• Flexible EV charging service with different power levels
•適用於電力供應有限的公共停車場
•現有電動車充電系統的自動供電管理
•提供不同輸出功率的彈性充電服務
電動車充電系統已經安裝在理大停車場EV Charging system installed at PolyU Car Park
其中一個供電管理系統的後台管理介面BackendinterfaceofoneoftheLoadManagementSystems
Principal Invest igator
Dr Wai- lok CHAN
Department of E lectr ical Engineer ing
Contact Detai ls
Inst i tute for Entrepreneurship
Tel: (852) 3400 2929 Fax: (852) 2333 2410 Emai l : [email protected]
特 色 與 優 點
應 用
1_EE
_21_
0719
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Special Features and Advantages
應用實例:配備理大智能供電管理控制系統的停車場在同一時間只需為43個電動車充電器提供152A電流，減少了約89%供電需求。Exampleofapplication:Thecarparkwithoursystemisonly
requiredtosupply152Afor43EVchargersatthesametime.Thesystemcutstheenergydemandbyabout89%.
