Abstract: A method includes receiving, in a computer, a digital screen capture of a representation of a heating, ventilation and air conditioning (HVAC) system depicting different elements of the HVAC system, interconnections between the different elements, and current operating parameters employed for the different elements. The method also includes performing, by a processor of the computer, an image recognition operation on the digital screen capture that identifies the depicted elements, and recognizes the depicted current operating parameters for the different depicted elements. The method further includes analyzing, by the processor of the computer, the different recognized current operating parameters to determine current energy consumption values for the HVAC system.

Abstract: A method includes receiving, in a computer, a digital screen capture of a representation of a heating, ventilation and air conditioning (HVAC) system depicting different elements of the HVAC system, interconnections between the different elements, and current operating parameters employed for the different elements. The method also includes performing, by a processor of the computer, an image recognition operation on the digital screen capture that identifies the depicted elements, and recognizes the depicted current operating parameters for the different depicted elements. The method further includes analyzing, by the processor of the computer, the different recognized current operating parameters to determine current energy consumption values for the HVAC system.

Abstract: A method includes receiving an power value for a first pump and a differential pressure across the first pump and receiving an power value for a second pump and a differential pressure across the second pump, wherein the first pump is in a first pumping line and the second pump is in a second pumping line that pumps in parallel with the first pumping line. The flows through the first pumping line and the second pumping line are adjusted to minimize an power per flow per differential pressure of the first and second pumping lines in combination.

Abstract: A novel central cooling and circulation energy management control system is provided, including an energy management controller device, a central cooling system, and associated methods, according to various embodiments. In one illustrative embodiment, a central cooling energy management controller device includes one or more signal connections, one or more electronic memory elements, and one or more processors. The controller device has access to resources that are either stored on the electronic memory elements or are accessible via the signal connections. The resources include an equipment data table, an equipment and operational configuration table, an operational efficiency matrix, and executable instructions.

Abstract: A novel central cooling and circulation energy management control system is provided, including an energy management controller device, a central cooling system, and associated methods, according to various embodiments. In one illustrative embodiment, a central cooling energy management controller device includes one or more signal connections, one or more electronic memory elements, and one or more processors. The controller device has access to resources that are either stored on the electronic memory elements or are accessible via the signal connections. The resources include an equipment data table, an equipment and operational configuration table, an operational efficiency matrix, and executable instructions.

Abstract: A controller is configured to perform at least one of loading and unloading at least one of a plurality of refrigerant compressors to a refrigeration cooling system based at least upon an enthalpy of circulating refrigerant liquid of the refrigeration cooling system and a rate of change of enthalpy of evaporated refrigerant gas in the refrigeration cooling system.

Abstract: At least one of a plurality of compressors connected to a fluid distribution system are loaded and/or unloaded based upon a capacitance of the fluid distribution system.

Abstract: A multi-compressor system is described, which includes a fluid distribution system, a base compressor set, a flow controller, a trim compressor set, and a trim volume. The multi-compressor system provides compressed fluid to a load device set. The fluid distribution system is coupled to the load device set. The base compressor set is coupled to the fluid distribution system. The flow controller has a downstream side coupled to the fluid distribution system, and an upstream side coupled to a trim compressor set. The trim volume is coupled between the outlet of the trim compressor set and the upstream side of the flow controller.