MPPT DCDC Boost Junction Box Inverters

1
MPPT DC-DC BoostJunction Box Inverters

• October 2008

2
World Wide Energy Demand forecasts
2100
Billion tons of oil equivalent
3
Main Available Energy Sources

• Nuclear electric power station. Future not clear
  due to
• High investment cost
• Radioactive waste elimination not yet solved
• Power Station building time too long
• Renewable Sources
• Biomass ??
• Wind (Mature technology, intermittent production)
• Photovoltaic

Amount of energy irradiated every year 90000
Gtoe
billion of oil equivalent tons
4
WW PV Installation
Global PV Energy - Cumulative installed capacity
and prediction GWp
From 9 to 25 of WW installation?1!
Source 2008 European Photovoltaic Industry
association (EPIA, www.epia.com)
5
PV Solar - System Overview
6
MOSFET s for DC-DC DC-AC Solar Inverter
Sample available in November 08
7
IGBTs for DC/DC Stage
8
Slow , Low Drop IGBT for DC-AC Inverter

• IGBT Low Drop S Series
• 600V / 35A DC current rating at 100C
• Application power up to 4.0 kW (single switch)
• Very low voltage drop
• Switching frequency up to 400Hz

9
ULTRA FAST Si CARBIDE RECTIFIERs FOR SOLAR
INVERTERS
Main Features
Benefits

• Wide Range Family
• 1A to 2 x 100A
• 600V to 1200V
• SMD, Un-isolated and isolated packages
• Increased TJ 175C

• Higher MTBF with planar technology
• Leakage current divided by 10
• Higher functional reliability
• PSPICE model available

10
Save our planet before it is too late!!!
Thank You