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Adaptive Charging Network, Peter Viethaler
PowerFlex provides an adaptive charging network for electric vehicles that helps manage electricity demand and reduce costs. Their system uses smart chargers and a load management controller (LMC) to monitor power usage and schedule charging sessions based on individual needs and overall demand. This allows buildings to support electric vehicle charging without needing expensive upgrades to their electrical systems. PowerFlex estimates their system can cost up to 35% less than traditional electric vehicle charging stations and enable up to 100 vehicles to charge simultaneously.
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Adaptive Charging Network, Peter Viethaler
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- 2. OUR GARAGES arethe Gas Stations of the FUTURE
- 3. Where and HowWill Drivers Charge? Our Garages are the Gas Stations of the Future EV owners want to be able to charge in convenient locations on extended trips ON THE GO Drivers want to charge at home and at work LOCATION Many drivers depend on leaving their cars overnight for their next day commute CHARGE TIME 3
- 4. It’s not TOOmuch of a trip hazard. . . . .
- 5. . . .. . Right?
- 6. PowerFlex A New Paradigm Mountainview Highschool-Los Altos School District
- 7. BENEFITS of PowerFlex InfrastructureCost Reduces the power required to new buildings and eliminates the need for the addition of new power to existing buildings Charger Installation Cost Charging stations and monitoring are much less than the cost of traditional electric vehicle charging stations. Design Flexibility Three different levels of installation designed to meet your budget and flexible options for charging customers Load Management By monitoring a building’s power and consumption, PowerFlex reduces peak power while charging up to 100 vehicles.
- 8. SAVE MONEY With PowerFlex Withless electric service capacity needed for new and existing buildings, Powerflex saves money for developers and owners. With full installation, PowerFlex can cost up to 35% less than traditional EV charging systems and allow for 100 vehicles to be charged simultaneously Less power needed for buildings allows for smaller transformers, smaller electric vaults, and less amperage fees REDUCED CONSTRUCTION COST 1 PowerFlex’s smart chargers allow charging stations to accurately charge customers for power used to charge EVs POTENTIAL CASH FLOW 2 Monitored charging allows owners to bill customers directly and to track building and EV charging statistics. Minimums apply MONITORED CHARGING 3
- 9. Estimated Costs forElectrical Infrastructure Less than 5 EVSE = $ 1000 per EVSE 5 EVSE – 10 EVSE = $ 3000 per EVSE More than 10 EVSE = $10,000 per EVSE Caltech Garage Pasadena, CA -71 chargers EVSE Installation Costs Can Rise Exponentially
- 10. Adaptive Load Balancing IntelligentEnergy Management • Utilizes Personal Charging Profiles to schedule charging sessions • Continuously monitors and adapts to changing energy demands • Eliminates the need for expensive electrical system upgrades
- 11. Standard Max RateCharging EV2 2 5 EV1 0 (arrival) 13(departure) EV3 3 10 0 COMBINED power capacity exceeded 58% of the time 2 3 135 10 demand flexibility wasted
- 12. Dynamic Load Balancing EV3 310 EV2 2 5 0 13 EV1 (arrival) (departure) 0 EV2: 39% charged COMBINED EV3: 84% charged 2 3 135 10 demand flexibility wasted
- 13. Adaptive Load Balancing 3 EV3 Delayedcharging 10 0 2 3 13 • power limit not exceeded • all EVs 100% charged (flexibility fully utilized) COMBINED 5 10 2 5 EV2 0 13EV1 (arrival) (departure) Delayed charging Reduced charging
- 14. ALB Levels DemandSpikes 6am 6pm Source: Google Simulation May 2016 – Dec 2016
- 15. LMC & CHARGER SmartCHARGERLMC Box What are they? Allows chargers to communicate with the LMC, charge EV owners for power consumption, and effectively charge EVs in accordance with customer demands. FEATURES: • Advanced Load Management Capabilities • WiFi or ZigBee network options • Industry standard SAE-J1772 connector • Americans with disabilities Ast (ADA) compliant installation • Integrated cable storage • Underwriters Laboratory (UL) listed • Breakaway safety cable • Optional pedestal mount configurations Controls and allocates power from the building to the electric vehicle (EV) chargers. Allows for monitoring of power in the building and monitoring of the smart chargers. FEATURES: • Communications via cellular or hardwired Ethernet • Supports either Zigbee or WiFi equipped EVSE • Intel Core i5-6300U, 2.4Ghz processor with 500GB SSD and 32GB of RAM • 120VAC – 240VAC • Max power consumption 50W • 40 lbs • 19.5 x 17.5 x 10 inches • Molded fiberglass reinforced polyester enclosure • NEMA Type 3R, 3RX/IP 24 rated • Thermostat controlled heating and cooling • ETL certified
- 16. wireless & wirelinenetwo control & optimization (LMC) WiFi or Zigbee Cell or Cat 5 Network Local Control Reduces Communications Expense Control & Optimization (LMC)
- 17. Hamilton Apts. LosAltos, CA Jet Propulsion Labs Pasadena, CA
- 18. CONTACT US Peter@Northwestpartnersllc.com 2815 EastlakeAve E Seattle, WA 98102 NW Partners Seattle Office
Editor's Notes
- #10 The transformer capacity is 7.2 kW (25 kW shared between 4 houses). Each car can charge at a peak rate of 7.2 kW. Therefore all three cars charging at their peak rate will exceed the transformer limit. The demo will run over 12.7 minutes with the following scenario: Three cars will be plugged in at different times with different energy demands and departure times: Car 1: arrives at time 0, departs at time 11 mins, needs 0.71 kWh. (takes 5.9 mins at 7.2kW) Car 2: arrives at time 2 mins, departs at 5 mins, needs 0.36 kWh. (takes 3 mins at 7.2kW) Car 3: arrives at time 3 mins, departs at 10 mins, needs 0.45 kWh. (takes 3.75 min at 7.2kW) The scenario is designed to illustrate the importance of smart charging (and other system functions; see below): Dumb charging where each car charges at its peak will exceed transformer limit. Static sharing policy will not satisfy EV energy demands. Only dynamic adaptation based on real-time information can work, as shown in the diagram below.
- #11 The transformer capacity is 7.2 kW (25 kW shared between 4 houses). Each car can charge at a peak rate of 7.2 kW. Therefore all three cars charging at their peak rate will exceed the transformer limit. The demo will run over 12.7 minutes with the following scenario: Three cars will be plugged in at different times with different energy demands and departure times: Car 1: arrives at time 0, departs at time 11 mins, needs 0.71 kWh. (takes 5.9 mins at 7.2kW) Car 2: arrives at time 2 mins, departs at 5 mins, needs 0.36 kWh. (takes 3 mins at 7.2kW) Car 3: arrives at time 3 mins, departs at 10 mins, needs 0.45 kWh. (takes 3.75 min at 7.2kW) The scenario is designed to illustrate the importance of smart charging (and other system functions; see below): Dumb charging where each car charges at its peak will exceed transformer limit. Static sharing policy will not satisfy EV energy demands. Only dynamic adaptation based on real-time information can work, as shown in the diagram below.
- #12 The transformer capacity is 7.2 kW (25 kW shared between 4 houses). Each car can charge at a peak rate of 7.2 kW. Therefore all three cars charging at their peak rate will exceed the transformer limit. The demo will run over 12.7 minutes with the following scenario: Three cars will be plugged in at different times with different energy demands and departure times: Car 1: arrives at time 0, departs at time 11 mins, needs 0.71 kWh. (takes 5.9 mins at 7.2kW) Car 2: arrives at time 2 mins, departs at 5 mins, needs 0.36 kWh. (takes 3 mins at 7.2kW) Car 3: arrives at time 3 mins, departs at 10 mins, needs 0.45 kWh. (takes 3.75 min at 7.2kW) The scenario is designed to illustrate the importance of smart charging (and other system functions; see below): Dumb charging where each car charges at its peak will exceed transformer limit. Static sharing policy will not satisfy EV energy demands. Only dynamic adaptation based on real-time information can work, as shown in the diagram below.
- #13 The transformer capacity is 7.2 kW (25 kW shared between 4 houses). Each car can charge at a peak rate of 7.2 kW. Therefore all three cars charging at their peak rate will exceed the transformer limit. The demo will run over 12.7 minutes with the following scenario: Three cars will be plugged in at different times with different energy demands and departure times: Car 1: arrives at time 0, departs at time 11 mins, needs 0.71 kWh. (takes 5.9 mins at 7.2kW) Car 2: arrives at time 2 mins, departs at 5 mins, needs 0.36 kWh. (takes 3 mins at 7.2kW) Car 3: arrives at time 3 mins, departs at 10 mins, needs 0.45 kWh. (takes 3.75 min at 7.2kW) The scenario is designed to illustrate the importance of smart charging (and other system functions; see below): Dumb charging where each car charges at its peak will exceed transformer limit. Static sharing policy will not satisfy EV energy demands. Only dynamic adaptation based on real-time information can work, as shown in the diagram below.
- #14 The transformer capacity is 7.2 kW (25 kW shared between 4 houses). Each car can charge at a peak rate of 7.2 kW. Therefore all three cars charging at their peak rate will exceed the transformer limit. The demo will run over 12.7 minutes with the following scenario: Three cars will be plugged in at different times with different energy demands and departure times: Car 1: arrives at time 0, departs at time 11 mins, needs 0.71 kWh. (takes 5.9 mins at 7.2kW) Car 2: arrives at time 2 mins, departs at 5 mins, needs 0.36 kWh. (takes 3 mins at 7.2kW) Car 3: arrives at time 3 mins, departs at 10 mins, needs 0.45 kWh. (takes 3.75 min at 7.2kW) The scenario is designed to illustrate the importance of smart charging (and other system functions; see below): Dumb charging where each car charges at its peak will exceed transformer limit. Static sharing policy will not satisfy EV energy demands. Only dynamic adaptation based on real-time information can work, as shown in the diagram below.
- #15 The transformer capacity is 7.2 kW (25 kW shared between 4 houses). Each car can charge at a peak rate of 7.2 kW. Therefore all three cars charging at their peak rate will exceed the transformer limit. The demo will run over 11 minutes with the following scenario: Three cars will be plugged in at different times with different energy demands and departure times: Car 1: arrives at time 0, departs at time 11 mins, needs 0.71 kWh. Car 2: arrives at time 2 mins, departs at 5 mins, needs 0.36 kWh. Car 3: arrives at time 3 mins, departs at 8 mins, needs 0.25 kWh. The scenario is designed to illustrate the importance of smart charging (and other system functions; see below): Dumb charging where each car charges at its peak will exceed transformer limit. Static sharing policy will not satisfy EV energy demands. Only dynamic adaptation based on real-time information can work, as shown in the diagram below.