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David A Besser, Stefan Matan: Power extractor detecting a power change. XSLENT Energy Technologies, Blakely Sokoloff Taylor & Zafman, November 23, 2010: US07839025 (14 worldwide citation)

In some embodiments, a power extractor operates in a manner to obtain more power transferred from the source to the load than typically is obtained without the power extractor. The power extractor may perform universal impedance matching as this is seen from either the power source or the load. This ...


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David A Besser, Stefan Matan: Power extractor for impedance matching. XSLENT Energy Technologies, Blakely Sokoloff Taylor & Zafman, June 14, 2011: US07960870 (12 worldwide citation)

In some embodiments, a power extractor may operate such that the source impedance and the load impedance may have various values. The power extractor dynamically matches the impedance of the source and the load for the maximum transfer of power. The power extractor includes detection circuitry to co ...


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David A Besser, Stefan Matan: Power extractor with control loop. XSLENT Energy Technologies, Blakely Sokoloff Taylor & Zafman, July 3, 2012: US08212399 (9 worldwide citation)

In some embodiments, a power extractor's control loop detects changes in power and controls the duty cycle of the switching circuitry in response to the detected changes in power, thereby controlling the power transfer. The control loop may include a signal generator to control the duty cycle, and t ...


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David A Besser, Stefan Matan: System and apparatuses with multiple power extractors coupled to different power sources. XSLENT Energy Technologies, Blakely Sokoloff Taylor & Zafman, September 6, 2011: US08013474 (8 worldwide citation)

In some embodiments, an apparatus or system may include multiple power extractors each coupled to a different power source. The power extractors may be in parallel or in series. The extractors and power supplies may be joined together in a frame. A power source and power extractor may be included in ...


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Stefan Matan: Dynamic switch power converter. XSLENT Energy Technologies, Blakely Sokoloff Taylor & Zafman, September 6, 2011: US08013583 (5 worldwide citation)

The present invention provides a dynamic switch power conversion circuit to improve the efficiency of a solar cell array, and specifically to operate the solar cell array under various sunlight intensities, especially under low light conditions. In an embodiment of the invention, the dynamic switch ...


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MATAN STEFAN: Power transfer management for local power sources of a grid-tied load. XSLENT ENERGY TECHNOLOGIES, Vincent Lester J, August 26, 2010: WO/2010/096682 (1 worldwide citation)

A power transfer system provides power factor conditioning of the generated power. Power is received from a local power source, converted to usable AC power, and the power factor is conditioned to a desired value. The desired value may be a power factor at or near unity, or the desired power factor ...


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David A Besser, Stefan Matan, Melvin J Bullen: Multi-source, multi-load systems with a power extractor. Xslent Energy Technologies, Vincent Anderson, August 30, 2016: US09431828

Apparatuses and systems enable power transfer from one or more energy sources to one or more loads. The input power from the energy sources may be unregulated, and the output power to the loads is managed. The power transfer is based on a dynamic implementation of Jacobi's Law (also known as the Max ...


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Stefan Matan, Fred C Horton, Frank P Marrone: Distributed power grid control with local VAR control. XSLENT ENERGY Technologies, Compass IP Law PC, August 28, 2018: US10063055

A distributed control node enables local control of reactive power. A metering device of the control node measures energy delivered by a grid network at a point of common coupling (PCC) to which a load is coupled. The metering device determines that the load draws reactive power from the grid networ ...


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Stefan Matan, Fred C Horton, Frank P Marrone: Distributed power grid control with local VAR generation. XSLENT ENERGY TECHNOLOGIES, Compass IP Law PC, May 1, 2018: US09960601

A distributed control node enables local control of reactive power. A consumer node generates local real power on a consumer side of a point of common coupling (PCC). The control node converts local real power into reactive power with a conversion device on the consumer side of the PCC. The control ...


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