Inventor

CHAPMAN PATRICK L

US51 patents

⚠️ This page may combine multiple inventors who share the name “CHAPMAN PATRICK L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHAPMAN PATRICK L

SUNPOWER CORP

Modular photovoltaic power supply assembly

Variable duty cycle switching with imposed delay

Apparatus and method for controlling DC-AC power conversion

Apparatus and method for controlling DC-AC power conversion

Inverter communications using output signal

Communication within a power inverter using transformer voltage frequency

Apparatus for converting direct current to alternating current using multiple converters

Device, system, and method for communicating with a power inverter using power line communications

String inverter system

Photovoltaic management and module-level power electronics

Converter topologies and control

Automated commissioning and inspection for PV systems

Regulation of powertrain converter circuit

Remote array mapping

Photovoltaic modules

Remote array mapping

Inverter coupling and decoupling management

Verifying status of a termination end cap of a microinverter chain

Microinverter systems and subsystems

Photovoltaic modules

Reconfigurable photovoltaic laminate(s) and photovoltaic panel(s)

Hybrid management module

String inverter system

Verifying status of a termination end cap of a microinverter chain

Microinverter systems and subsystems

CHAPMAN PATRICK L

Apparatus for converting direct current to alternating current using an active filter to reduce double-frequency ripple power of bus waveform

Power converter bus control method, system, and article of manufacture

Communication within a power inverter using transformer voltage frequency

Apparatus for converting direct current to alternating current using a frequency converter

Quadrature-corrected feedforward control apparatus and method for DC-AC power conversion

Supply voltage auto-sensing

Method and apparatus for controlling an inverter using pulse mode control

Apparatus and method for controlling DC-AC power conversion

Power converter with reverse recovery avoidance

Power converter with reverse recovery avoidance

ENPHASE ENERGY INC

Automated photovoltaic geospatial location

Photovoltaic management and module-level power electronics

High-power microinverter and system

Humidity-controlled electronic component assemblies for photovoltaic systems

Inverter communications using output signal

Method and apparatus for balancing loads on split-phase islanded systems

Predictive active filter for EMI attenuation

Photovoltaic management and module-level power electronics

GRAY ALEXANDER

Energy recovery circuit

Variable duty cycle switching with imposed delay

JOHNSON BRIAN

Inverter array with localized inverter control

UNIV ILLINOIS

Multiple input DC-DC power converter

ESRAM TRISHAN

Apparatus and method for controlling a power inverter

ROTHBLUM PHILIP

Device, system, and method for communicating with a power inverter using power line communications

SOLARBRIDGE TECH INC

Communication within a power inverter using transformer voltage frequency