Patents

With over 134 active patent families around the world and more pending, Enphase Energy is a global leader in energy technology. We're committed to developing the most innovative tools to deliver on a vision of energy independence for all. The patents listed below are just the tip of the iceberg in our drive towards the democratization of energy management.

United States

  • D673,114 Inverter module
  • D707,632 Trunk connector
  • D708,143 Drop cable connector
  • D734,653  AC module mounting bracket
  • 5,886,890 Power-supply system involving system interconnection
  • 5,951,785 Photo-voltaic apparatus
  • 7,768,155 Method and apparatus for improved burst mode during power conversion
  • 7,796,412 Method and apparatus for converting direct current to alternating current
  • 7,817,450 Method and apparatus for resetting a silicon controlled rectifier bridge
  • 7,855,473 Apparatus for phase rotation for a three-phase AC circuit
  • 7,899,632 Method and apparatus for anti-islanding of distributed power generation systems
  • 7,916,505 Method and apparatus for a leakage energy recovery circuit
  • 7,923,983 Method and apparatus for measuring AC voltages
  • 7,925,459 Method and apparatus for determining an operating voltage for preventing photovoltaic cell reverse breakdown during power conversion
  • 7,944,083 Method and apparatus for characterizing a circuit coupled to an AC line
  • 7,986,122 Method and apparatus for power conversion with maximum power point tracking and burst mode capability
  • 7,986,539 Method and apparatus for maximum power point tracking in power conversion based on dual feedback loops and power ripples
  • 8,035,257 Method and apparatus for improved burst mode during power conversion
  • 8,076,802 Method and apparatus for distributed VAr compensation
  • 8,099,197 Method and system for distributed energy generator message aggregation
  • 8,107,516 Power line communications apparatus
  • 8,179,147 Method and apparatus for detection and control of dc arc faults
  • 8,183,852 Method and apparatus for determining AC voltage waveform anomalies
  • 8,195,414 Method and apparatus for identifying an islanding condition
  • 8,222,767 Apparatus for phase rotation for a three-phase AC circuit
  • 8,257,106 Method and apparatus for interconnecting distributed power sources
  • 8,299,776 Method and apparatus for measuring AC voltages
  • 8,319,378 Method and apparatus for improved burst mode during power conversion
  • 8,359,176 Method and apparatus for determining and operating voltage for preventing photovoltaic cell reverse breakdown during power conversion
  • 8,360,390 Method and apparatus for potting an electronic device
  • 8,411,790 Power line communications apparatus
  • 8,428,783 Method and system for distributed energy generator message aggregation
  • 8,435,056 Apparatus for coupling power generated by a photovoltaic module to an output
  • 8,456,265 Transformer
  • 8,466,582 Method and apparatus for applying an electric field to a photovoltaic element
  • 8,469,735 Mounting rail and power distribution system for use in a photovoltaic system
  • 8,492,932 Method and apparatus for improved burst mode during power conversion
  • 8,537,572 Method and apparatus for providing power conversion using an interleaved flyback converter with automatic balancing
  • 8,553,035 Method and apparatus for electrical power visualization
  • 8,581,441 Distributed inverter and intelligent gateway
  • 8,620,476 Method and apparatus for smart climate control
  • 8,626,616 Method and apparatus for managing installation information
  • 8,659,922 Photovoltaic module-mounted AC inverter
  • 8,666,561 Method and apparatus for determining a corrected monitoring voltage
  • 8,717,780 Method and apparatus for converting direct current to alternating current
  • 8,749,395 Method and apparatus for indicating a disconnection within a distributed generator
  • 8,760,895 Method and apparatus for distributed power generation
  • 8,797,767 Resonant power conversion circuit
  • 8,811,049 Method and apparatus for distributed power generation
  • 8,837,178 Method and apparatus for single-path control and monitoring of an H-bridge
  • 8,873,252 Method and apparatus for extending zero-voltage switching range in a DC to DC converter
  • 8,896,330 Method and apparatus for grid impedance detection
  • 8,937,817 Lossless commutation during operation of a power converter
  • 8,963,378 Method and apparatus for interconnecting distributed power sources
  • 8,963,923 Method and apparatus for electrical power visualization
  • 9,013,171  Method and apparatus for detecting a zero-voltage condition across four quadrant switches
  • 9,030,302 Method and apparatus for three-phase power line communications
  • 9,031,140 Method and apparatus for transmitting combined power, control and data through an isolation barrier
  • 9,048,693 Method and apparatus for detecting impairment of a solar array
  • 9,048,744 Method and apparatus for resonant converter control
  • 9,105,765 Smart junction box for photovoltaic modules
  • 9,112,417 Method and apparatus for providing power conversion using an interleaved flyback converter with automatic balancing
  • 9,112,522 Delta conversion analog to digital converter providing direct and quadrature output
  • 9,118,273 Resilient mounting assembly for photovoltaic modules
  • 9,130,570 Four quadrant bidirectional switch
  • 9,137,916 Method and apparatus for potting and electronic device
  • 9,165,275 Method and apparatus for identifying redeplyed distributed generator comonents
  • 9,184,652 Method and apparatus for inverter output current harmonic reduction
  • 9,247,595 LED Lighting Converter

More informaiton is available at uspto.gov.

Australia

  • 2007229854 Method and apparatus for converting direct current to alternating current
  • 2008254814 Distributed inverter and intelligent gateway
  • 2008254822 Photovoltaic module-mounted AC inverter
  • 2008254828 Photovoltaic AC inverter mount and interconnect
  • 2009322282 Mounting rail and power distribution system for use in a photovoltaic
  • 2010201291 Apparatus for coupling power generated by a photovoltaic module to an output
  • 2010271405 Method and apparatus for single-path control and monitoring of an H-
  • 2010273590 Method and apparatus for identifying redeployed distributed generator components
  • 2010284373 Method and apparatus for distributed energy generator message
  • 2010286576 Power line communications apparatus
  • 2011202022 Method and apparatus for converting direct current to alternating current
  • 2011203367 Distributed inverter and intelligent gateway
  • 2011235110 Method and apparatus for managing installation information
  • 2011207434 Method and apparatus for interconnecting distributed power sources
  • 2011240594 Improved transformer
  • 2011250957 Lossless communication during operation of power converter
  • 2012203475 Photovoltaic module-mounted AC inverter
  • 2013267001 Method and apparatus for converting direct current to alternating current
  • 2014201681 Method and apparatus for distributed energy generator message
  • 2741388 Method and apparatus for detection and control of DC arc faults

Canada

  • 2717564 Method and apparatus for a leakage energy recovery circuit
  • 2715340 Method and apparatus for distributed var compensation
  • 2745337 Mounting rail and power distribution system for use in a photovoltaic
  • 2719002 Methos and apparatus for extending zero-voltage switching range in a DC to DC Converter

China

  • 2010800284569 Method and system for distributed energy generator message
  • 1683840 Method and apparatus for identifying redeployed distributed generator
  • 1554855 Power line communicatons apparatus
  • 1685864 Method and apparatus for interconnecting distributed power sources
  • 2011800318150 Method for operating a DC-DC converter
  • 1747404 Method and apparatus for power converter input voltage regulation
  • ZL2012800044085 Method and apparatus for resonant converter control

European Patent Convention

  • 02133652000199 Inverter module
  • 1837985 Method and apparatus for converting direct current to alternating current
  • 2471190 Power line communications apparatus
  • 2457313 Method and apparatus for detection and control of DC arc faults
  • 2741388 Method and apparatus for detection and contril of DC arc faults

France

  • 1837985 Method and apparatus for converting direct current to alternating current
  • 2457313 Method and apparatus for detection and control of DC arc faults
  • 2471190 Power line communications apparatus
  • 2741388 Method and apparatus for detection of control of DC arc faults

Germany

  • 6020070354897 Method and apparatus for converting direct current to alternating current
  • 2471190 Power line communications apparatus
  • 6020100140822 Method and apparatus for detection and control of DC arc faults
  • 2741388 Method and apparatus for detection and control of DC arc faults

Israel

  • 202,197 System and appartatus for use in energy conversion

Japan

  • 5,259,108 Method and apparatus for converting direct current to alternating current
  • 5,455,184 Method and apparatus for power conversion with maximum power point tracking and burst mode capability
  • 5,459,634 Method and apparatus for maximum power point tracking in power conversion based on dual feedback loops and power ripples
  • 5,524,335 Method and apparatus for detection and control of DC arc faults
  • 5,550,725 Method and apparatus for identifying redeployment distributed generator components
  • 5,562,422 Power line communication apparatus
  • 5,654,982 Method and apparatus for extending zero-voltage switching range in A
  • 5,737,660 Method and apparatus for interconnecting distributed power sources
  • 5,754,823 Lossless communication during operation of a power converter
  • 5,773,368 Method and apparatus for improved burst mode during power
  • 5,804,609 Improved transformer

Republic of Korea

  • 101197807 Method and apparatus for measuring AC voltages
  • 101535589 Distributed inverter and intelligent gateway
  • 101245080 Method and apparatus for extending zero-voltage switching range in a DC to DC converter

United Kingdom

  • 1837985 Method and apparatus for converting direct current to alternating current
  • 2471190 Power line communications apparatus
  • 2457313 Method and apparatus for detection and control of DC arc faults
  • 2741388 Method and apparatus for detection and control of DC arc faults