Franklin Electric Company, Inc.

Other

Veris Industries, LLC

Cerus Industrial Corporation

Franklin Control Systems, LLC

Andre Pierre Perra

Scott E Leonard

Kent J Holce

Dalton H Paull

Roger Steven Cota

Ryan A Lauw

Rodrick Seely

Vladimir A Chedygov

Thomas W Trullinger

Kent Jeffrey Holce

A motor control system to drive an alternating-current (AC) motor, including a motor drive with a power circuit and a motor drive controller powered by the power circuit and configured to cause the power circuit to generate a motor voltage; a motor drive contactor having first contacts electrically connected between the power circuit and the AC motor; a bypass contactor having second contacts electrically connected between a line voltage source and the AC motor; and a bypass controller communicatively coupled with the motor drive contactor and the bypass contractor; wherein the motor drive controller is structured to generate a speed reference and to command the bypass controller to connect the AC motor to the line voltage source upon the motor drive controller determining that the speed reference is substantially equal to a line frequency of the line voltage source.

Motor drive system including removable bypass circuit and/or cooling features

A motor drive and method of controlling a motor are provided. The motor drive includes a controller generating a motor reference voltage; a DC bus providing a DC voltage having a ripple; an inverter including power switches operable to convert the DC voltage into an AC motor voltage by modulating the power switches during a plurality of switching cycles, the AC motor voltage based on the motor reference voltage; a capacitor circuit coupled to the DC bus and having a maximum capacitance that is less than 10 microfarads per ampere of a rated current; and voltage prediction logic structured to: detect a voltage value corresponding of the ripple during each of the plurality of switching cycles; and modify the motor reference voltage during each of the plurality of switching cycles using the voltage value.

Motor drive system and method

In the field of motor protection for industrial automation systems, HVAC systems, pumping systems, and/or similar implementations, improved motor starters and overload electronics can be configured to offer substantially automatic levels of protection for motors, independent of such starters and/or overload electronics first being calibrated for, or properly calibrated for, the motor.

Motor protection and control apparatus, system, and/or method

A motor control system to drive an alternating-current (AC) motor. The motor control system includes a motor drive. The motor drive may include a duct having first, second and third openings. The motor control system may include a bypass circuit to power the AC motor if the motor drive experiences a fault or to save energy.

A method, system, and/or apparatus is described for controllably providing operating power to, and indicating proper operating status of, a load. Novel functionality can be provided via discrete electronic components or components can be integrated into a unified enclosure as a starter apparatus. Operation can be based, at least in part, on an operating mode selected via a user interface. An electronic overload relay or overload circuit interconnected with a control board assembly and a contactor relay can sense one or more aspects of the operating power supplied to the load and the control board assembly can operate one or more relays to indicate operating status of the load and control the load in response to various manual or remote automation system inputs.

Status providing starter apparatus, system, and/or method

An electrical device protection apparatus, such as an overload relay, can include a microprocessorthat can receive a wide range of current signals from a current transformer or other current sensor. Also microprocessorcan employ a voltage sensorto measure line voltage, for representing true power, and as a power supplysource for the microprocessor. The microprocessor can then generate annunciation signals, control signals, and/or communication signalsas necessary for the control and/or protection of an attached electrical device.

Apparatus, system, and/or method for protection and control of an electrical device

A system for controlling an electrical device that includes an enclosure and an optical signal.

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Portland, OR, United States of America

Andre Pierre Perra