This article proposes a reliable and cost-effective solution of water pumping system for the
off-grid community, where the grid supply is not available. The designed system uses an 8/6 …

ABSTRACT A method and system for maintaining consistent output for a pump powered by
an electric motor, is provided, including: sending electrical measurements regarding power …

A virtual synchronous generator device disclosed. The device includes an inverter and
inverter controller having a power control portion, a power reserve portion, a power point …

A photovoltaic apparatus according to the present invention includes a photovoltaic module
and a tracking control device. The photovoltaic module includes a plurality of series por tions …

US9065298B2 - Photovoltaic system having power-increment-aided incremental-conductance
maximum power point tracking controller using variable-frequency and constant-duty control and …

A power balance-dependent operating parameter and a surroundings parameter of a first
energy source, such as a renewable energy source, are provided. A variable target …

(Continued) Primary Examiner Rexford N Barnie Assistant Examiner Terrence R Willoughby
(74) Attorney, Agent, or Firm—Scott B. arkow (57) ABSTRACT A solar power system and …

A solar pumping system and a method for operating solar pumping system, the system
comprises plurality of solar modules, at least one VFD comprising at least one convertor, at …

A method of operating an electric induction motor with a variable-speed drive includes
determining a voltage level on a DC bus for the drive, and measuring a first magnitude of …

An electronic switch control method is disclosed. The method comprises receiving the
current working parameters of the electronic switch, then reading duty cycle parameters …