publication . Other literature type . 2012

Virtual Refrigerant Mass Flow and Power Sensors for Variable-Speed Compressors

Kim, Woohyun; Braun, James E.;
Open Access
  • Published: 01 Jan 2012
  • Publisher: Purdue University
  • Country: United States
The use of variable-speed compressors in heat pumps and air conditioners has increased in recent years in order to improve comfort and energy efficiency. At the same time, there is a trend towards embedding more sensors in this type of equipment to facilitate real-time energy monitoring and diagnostics. Although compressor mass flow rate and power consumption are useful indices for performance monitoring and diagnostics, they are expensive to measure. The virtual variable-speed compressor sensor (VVC) was developed to estimate mass flow rate and power consumption using inexpensive temperature sensors and embedded models. The mass flow and power consumption at ma...
free text keywords: Variable speed compressor, Fault detection, Fault diagnosis, Mass flow rate, Power Consumption, Frequency
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Other literature type . 2012
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