Trane International Inc.

John Hughes

Christopher Blake Smith

Don Alan Schuster

Youssef A Jaber

Karl J Mutchnik

Kirby Neal Bicknell

Jason Thomas LeRoy

Gregory S Brown

Arvind Chitrala

Thomas B Krugler

Steven Brooks

Wayne N Kraft

Satish Mukundan Thiruvengadam

Arulkumar Kaliyaperumal

Vinoth Vairamudi

Examples of the present disclosure relate to systems and methods for operating a climate control system on a microgrid utilizing renewable sources of power including solar panels and wind turbines. In general, this disclosure focuses on utilizing a range of stepped or discrete demand responses for the climate control system to adjust power consumption levels in response to variable levels of power input associated with renewable power sources attached to the microgrid. These stepped or discrete demand responses of the climate control system may allow the microgrid to react to linear, continuous, or non-discrete fluctuations in the input power while reducing the likelihood of damage to the climate control system. Some examples may also allow the climate control system to more consistently maintain comfort settings of conditioned spaces. Some examples utilize a direct current (DC) microgrid and climate control system.

Systems and methods for operating a climate control system on a microgrid

Devices, systems, and methods are disclosed for reducing leakage current in power converters, such as for HVAC systems, to facilitate compatibility with GFCI devices. In various embodiments, the power converter may include components to filter and/or reduce common mode noise, such as by removing high frequency components of the common mode noise, while maintaining leakage current below a trip threshold of a GFCI device.

Devices, systems, and methods for reducing leakage current in power converters

Architectures or techniques are presented that can prioritize operating a consumption device in a manner that is efficient in terms of consumption of a resource over satisfying a specified demand assigned to the consumption device. This re-prioritizing can be performed in response to a price of the resource exceeding a threshold.

Prioritizng efficient operation over satisfying an operational demand

A sound level control system for a heating, ventilation, and air conditioning (HVAC) system is provided. The sound level control system comprises an outdoor unit with a compressor, an outdoor fan, and an outdoor controller and a communication device located at a predefined distance from the outdoor unit. The communication device measures sound levels in response to operating the outdoor unit. The outdoor controller is configured to receive a first noise level limit for a predefined time period, receive an instruction related to selective control of the outdoor unit, selectively control both of the compressor to rotate at a first compressor speed and the outdoor fan to rotate at a first fan speed based on the noise level limit for the predefined time period, and receive information related to whether a sound pressure level at a predefined location exceeds the first noise level limit for the predefined time period.

Limiting operation of a HVAC system for low-noise municipalities

Prioritizing efficient operation over satisfying an operational demand

An HVAC system includes an indoor unit, an outdoor unit, a thermostat, and a remote control device. The indoor unit comprises a first variable speed drive (VSD) to control a speed of HVAC rotary components within the indoor unit, and the outdoor unit comprises a second VSD to control a speed of HVAC rotary components within the outdoor unit. The thermostat in communication with the indoor unit and the outdoor unit comprises a communication interface, and a system controller in communication with the communication interface. The remote control device transmits a signal to the system controller to alter the speed of the HVAC rotary components, where the HVAC rotary components operate at a high speed mode which is above the preset speed limit of the respective HVAC rotary component to achieve an enhanced cooling mode.

Time-constrained control of an HVAC system

A heating, ventilation and air condition (HVAC) system is provided. The system includes a thermostat including an onboard temperature sensor, a remote temperature sensor in operable communication with the thermostat, and a controller in operable communication with each of the onboard sensor and the remote sensor and configured to execute a control algorithm that calculates a temperature difference between a temperature detected by the onboard temperature sensor and a temperature detected by the remote temperature sensor, such that when the remote temperature sensor fails, the controller uses the calculated temperature difference to calibrate the onboard temperature sensor and set the thermostat to the temperature detected by the remote temperature sensor.

Growing community of inventors

Flint, TX, United States of America

John Hughes