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3-Port Photovoltaic<br />
& Battery Converter<br />
PV Inverter<br />
30kW 480VAC<br />
wall-mount<br />
94lbs<br />
Defense Energy Technology Challenge<br />
13 August 2012<br />
Paul Bundschuh<br />
Paul.Bundschuh@IdealPowerConverters.com<br />
www.IdealPowerConverters.com<br />
1
Company Overview<br />
Breakthrough Power Converter Technology<br />
• Multiple US & International patents<br />
• Licensed Intellectual Property to Lockheed Martin<br />
• DOE ARPA-E award for bi-directional IGBT switches<br />
Unique Technology Benefits<br />
• 100% indirect power flow – isolation without transformer<br />
• Extremely soft switching – improved efficiency<br />
• Bi-directional and Multi-port capable – reduces # converters<br />
Universal Power Converter Platform<br />
• Modular, low cost hardware design – manufactured in the U.S.A.<br />
• Common hardware platform with application specific firmware<br />
2
Universal Power Converter Platform<br />
common HW + application firmware<br />
30kW 2-Port<br />
Universal Power Converter Platform<br />
+ Application Firmware<br />
30kW 3-Port<br />
Universal Power Converter Platform<br />
+ Application Firmware<br />
PV<br />
Inverter<br />
Battery<br />
Converter<br />
EV Charger<br />
w/ V2G<br />
PV &<br />
Battery<br />
EV &<br />
Battery<br />
PV & Battery<br />
w/ microgrid<br />
3
• Lower Manufacturing Cost<br />
• Lower Installation Cost<br />
• Lower Maintenance Cost<br />
• Higher Efficiency<br />
480Vac Photovoltaic<br />
Inverter Comparison<br />
4
Modular Installation<br />
Seven 30kW inverters<br />
• Modular product used as building block for larger installations<br />
• Lowers shipping & installation costs<br />
Texas installations saved $0.15-$0.20/W<br />
Savings in Hawaii can be >$0.30/W<br />
5
DoD Vehicle to Grid Program<br />
“Ideal Power Converters is best solution to date for bi-directional<br />
EV charging based on price, installation cost & performance.”<br />
– Naval Post Graduate School<br />
480Vac 3-wire<br />
System<br />
controller<br />
25kW Battery<br />
Converters<br />
Plug-in<br />
Electric<br />
Vehicle<br />
(PEV)<br />
SAE j1772<br />
comboconnector<br />
PEV<br />
interface<br />
MODBUS<br />
PEV battery voltage (up to 500Vdc)<br />
Expandable –<br />
one or several<br />
units in parallel<br />
6
Single-Stage Conversion<br />
for Hybrid Systems<br />
• Eliminates need for multiple converters<br />
90-95% lower product weight<br />
Lower installation cost<br />
Lower product cost<br />
• Eliminates need for multiple conversion steps<br />
50-75% improvement in converter losses<br />
PV<br />
Battery<br />
96.5%<br />
96.5%<br />
AC Grid<br />
480 & 208Vac<br />
3 phase 4 wire<br />
Micro-gird capabilities<br />
96.5%<br />
7
3-Port Topology<br />
• Same AC Link magnetics as 2-Port<br />
• Modest increase in size/weight<br />
8
Dispatchable PV Generation<br />
with Solar Carport<br />
• Reduces EV peak demand charges<br />
• Installs easily with modular solar carport structure<br />
• Dispatchable power with micro-grid capabilities<br />
9
PV to EV Charging<br />
Efficiency Loss Roadmap<br />
0%<br />
Conventional<br />
2012<br />
Conventional<br />
2012 1H 2013 2H 2013<br />
2015<br />
-2%<br />
-4%<br />
-6%<br />
-8%<br />
-10%<br />
-12%<br />
-14%<br />
PV<br />
On-<br />
Board<br />
AC<br />
Charger<br />
PV<br />
DC<br />
Charger<br />
PV<br />
DC<br />
Charger<br />
3-Port<br />
PV &<br />
Charger<br />
3-Port<br />
with<br />
BD-IGBT<br />
-16%<br />
-18%<br />
-20%<br />
10
Reduce Diesel Dependency<br />
PV & Battery Micro-grid<br />
• Reduces peak demand charges for Installations<br />
• Containerized deployment for Operations<br />
• Suitable for remote communications sites<br />
EV battery<br />
pack<br />
11
Benefits<br />
Product<br />
• Lower Installation Cost - >90% weight reduction<br />
• Lower Price - $/W<br />
• Better performance - efficiency, reliability, safety<br />
Universal Power Converter Platform<br />
• Modular, scalable from 30kW to MWs<br />
• Address multiple needs with a common platform<br />
• “Plug-and-Play” communications/control<br />
12
Defense Summary<br />
New Power Converter Topology<br />
• Lockheed Martin developing defense specific products<br />
• IPC developing COTS products with defense applications.<br />
2-Port COTS Applications<br />
• PV Inverter for commercial rooftop and solar carports<br />
• Battery Converter for Vehicle to Grid Program<br />
3-Port COTS Micro-grid Applications<br />
• Solar carport with PEV charging and V2G<br />
• Reduce diesel generation with PV & Battery micro-grid<br />
Seeking Pilot installation Opportunities<br />
13
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