Abstract:
A unit for recording operating information of an electronically commutated motor (ECM) is described. The unit includes a system controller communicatively coupled to an ECM. The system controller includes a processing device configured to control the unit. The unit also includes a memory device communicatively coupled to the system controller. The memory device is configured to receive and store ECM operating information provided by the processing device.
Abstract:
A method for editing a motor profile is described. The method includes receiving a stored motor profile selection via a user interface, wherein a stored motor profile associated with the stored motor profile selection includes a speed instruction that corresponds to at least one of a pumping amplitude and a pumping time. The method also includes receiving user inputs via the user interface. The user inputs include instructions relating to an edit of the selected motor profile. The method further includes storing the edited motor profile.
Abstract:
A method for determining a direction of rotation for an electronically commutated motor (ECM) is described. The motor is configured to rotate a blower and the method comprises rotating the blower using the ECM and determining if the resulting blower rotation is indicative of the desired direction of rotation for the blower.
Abstract:
A motor controller for an electric motor includes an enclosure and a processing device, memory device, and communication interface disposed within the enclosure. The processing device is configured to control the electric motor and collect operating information from the electric motor during operation of the electric motor. The memory device is communicatively coupled to the processing device. The memory device is configured to receive and store the operating information collected during operation of the electric motor. The communication interface is communicatively coupled to the processing device and the memory device, and is configured to enable access to the operating information stored on the memory device by a computing device disposed remotely from the electric motor.
Abstract:
A method for determining a direction of rotation for an electronically commutated motor (ECM) is described. The motor is configured to rotate a blower and the method comprises rotating the blower using the ECM and determining if the resulting blower rotation is indicative of the desired direction of rotation for the blower.
Abstract:
An electric motor controller for controlling an electric motor and methods of determining a loss of phase condition for at least one phase of three-phase input power provided to an electric motor controller are provided. The controller is configured to obtain phase sample data representing an input power electrical characteristic for at least one phase of three-phase power received by the controller and receive direct current (DC) bus data representing a measured DC bus electrical characteristic. The controller is also configured to calculate a ratio between the phase sample data and the DC bus data, and determine that a loss of phase condition exists for a phase of the three-phase power when the ratio exceeds a predetermined threshold.
Abstract:
A motor controller is provided. The motor controller is coupled to an efficiency indicator device and to a motor that is coupled to a fluid movement device. The motor controller includes a processor. The motor controller is configured to determine a fluid flow amount representing an amount of fluid moved by the fluid movement device during a predefined time period. Additionally, the motor controller is configured to determine a power usage amount representing an amount of power used by at least the fluid movement device and the motor in association with the fluid flow amount, generate an efficiency report associated with at least the fluid flow amount and the power usage amount, and transmit the efficiency report to the efficiency indicator device for presentation thereon.
Abstract:
In one aspect, a centrifugal blower assembly is provided. The centrifugal blower assembly includes a housing defining an interior space and an impeller configured to channel an airflow within the interior space. A motor is coupled to the impeller and configured to rotate the impeller about an axis. The centrifugal blower also includes a plurality of mounting arms. Each mounting arm of the plurality of mounting arms includes a first end coupled to the housing and a second end coupled to the motor. Each mounting arm of the plurality of mounting arms has a cross-sectional profile that comprises a portion of an airfoil shape.
Abstract:
A motor control system for heating, ventilation, and air conditioning (HVAC) applications is described. The motor control system includes a thermostat and an electronically commutated motor (ECM) coupled to the thermostat. The ECM is configured to retrofit an existing non-ECM electric motor included in an HVAC application and to operate in one of a plurality of HVAC modes. The HVAC modes include at least one of a heating mode, a cooling mode, and a continuous fan mode. The HVAC mode is determined based at least partially on outputs provided by the thermostat.
Abstract:
A system and a method of automatically determining an electric motor type are provided. An electric motor drive controller is configured to be coupled to an electric motor and to determine running parameters of the drive controller for the electric motor. The drive controller includes a memory device, a processor communicatively coupled to the memory device and to a user interface wherein the processor is configured to execute instructions stored on the memory device that cause the processor to automatically measure electrical characteristics of the electric motor, identify the electric motor using the measured electrical characteristics, load pre defined running parameters selected based on the identification into the memory device, and control an operation of the electric motor using the controller and the loaded running parameters.