A Family Of Hybrid Boosting Voltage Converters

Tech ID: 30401 / UC Case 2015-147-0

Brief Description

Many industries, such as solar cells and energy storage, will be greatly benefited by high-gain step-up/step-down converters.UCI researchers have developed a family of hybrid boosting converters (HBC) that combine a base bipolar voltage multiplier (BVM) and one of several possible inductive switching cores to address various converter functionalities.

Suggested uses

DC-DC voltage conversion applications such as renewable energy, high-voltage power sources, energy storage, and high-power conversion

Features/Benefits

·Improved ConversionProperties: all HBC family members exhibit high gain, wide regulation range, low output ripple, easy expansion, low cost, and high-efficiency

·Variable Configuration: use of different inductive switching cores varies functionalities and available control strategies

·Extensions: configurations can be extended for bidirectional power delivery, DC-AC conversion, and DC micro-grid applications

Technology Description

DC-DC converters are an important category of power electronics which change DC electricity from one voltage to another.Step-up converters that increase voltage by 10x or more are particularly important for many applications, including renewable energy, high-voltage discharge (x-rays and discharge lamps), energy storage, and electrical power grids. Previously, inductor- or switched capacitor-based converters were used, but each has drawbacks.Inductor-based converters are bulky and have low gains while switched capacitor converters can be unstable and have many components.

UCI researchers have developed a family of hybrid boosting converters for high-gain applications.The invention integrates inductive switching cores of various functionalities and control strategies with a bipolar voltage multiplier (BVM) to produce Basic, Symmetrical, Isolated, and Tapped-inductor variants. The minimized component count, low component ratings, tunable voltage gain and expendable structure of proposed topologies provide solid candidates for low cost, small volume, high-gain, high-power and high-efficiency DC-DC converters.

State Of Development

The family of hybrid boosting converters has been fabricated and characterized.

Related Materials

Patent Status

Country Type Number Dated Case
United States Of America Published Application 20170310241 10/26/2017 2015-147
 

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Inventors

  • Smedley, Keyue M.

Other Information

Categorized As

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