Engineering: Solar Panels

Latest Innovations

String Protection for Photovoltaic Cells

Hot-spotting is a common problem in solar panel configurations that can potentially damage photovoltaic cells by forcing the conduction of reverse current in shaded or...

Power Processing for Optimizing Energy Production from Solar Cell or Panel Arrays

Conventional solar panel systems process energy from a collective group of solar panels, which lowers the efficiency of the system and prevents the system from operating...

Commutation technique for an ac-to-ac converter based on state machine control

This invention is a technique that resolves current commutation challenges in various types of ac-ac switching power converters. It also applies to inverters and...

Trade-off Method for Power Factor Correction

The invention recognizes that filter size can be reduced substantially as power factor is permitted to deviate below unity in systematic ways. Preferred methods of the...

Startup Circuit For Power Converters With Arbitrarily Low Input Voltage

A startup circuit for starting a power converter for converting an input voltage to an output voltage includes a switch connected in series with a resistive element. The...

Series-Input Parallel Output Multiple DC-DC Converter with Dynamic Current Sharing for High-Current DC Power Supply

The combination of a unique series-input parallel-output (SIPO) circuit configuration and a sensorless current mode (SCM) technique ensures automatic and nearly perfect...

Multiple-Input Buck Boost Power Converter

A power converter circuit to convert multiple direct current (dc) inputs to one or more dc outputs. This dc-dc power converter allows its load to be powered by multiple,...

Multiple-Carrier Pulse Width Modulation for Inverter Operation

A method for generating pulse width modulated control signal has the steps of providing a base carrier waveform, segmenting the base carrier waveform into a plurality of...

Solar Panels Portfolio

The University of Illinois at Urbana-Champaign is seeking partners to further develop this suite of solar power technologies. These innovative solutions, developed by...