Efficient Heat Pump Water Heater Regulated by the Superheat of Compress Suction Tube

Abstract:

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This paper starts with a brief introduction to the industrial development background such as general technical principles and application fields of heat pump water heaters (HPWHs), and puts forward for the first time the definition of superheat of compress suction tube ΔTsuperheat-st aiming at special technical requirements of HPWHs and the new concept of PID regulation of ΔTsuperheat-st with an electronic expansion valve. An HPWH with this regulation method has been made, and has been tested in line with national standards and EU standards. Its results show that this HPWH is qualified in energy-saving grade as required in national standards.

Info:

Periodical:

Edited by:

Helen Zhang and David Jin

Pages:

129-133

DOI:

10.4028/www.scientific.net/AMR.322.129

Citation:

C. Z. Jin et al., "Efficient Heat Pump Water Heater Regulated by the Superheat of Compress Suction Tube", Advanced Materials Research, Vol. 322, pp. 129-133, 2011

Online since:

August 2011

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Price:

$35.00

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