A user´s perspective on the application of adjustable speed drives and microprocessor control for HVAC savings

Author

Stebbins, W.L.

Author_Institution

Hoechst Celanese Textile Fibers, Rock Hill, SC, USA

fYear

1988

fDate

4-5 May 1988

Firstpage

42461

Lastpage

416

Abstract

Installation of an automatic air-conditioning control system has been found to maximize chiller efficiency, minimize the number of chilled water pumps operating while maintaining adequate capacity, and control the air volume by varying the fan speed to move only the air required to maintain desired room conditions. Project payback was typically less than three years, depending on energy costs, with the space conditions actually improving by providing a more even control of temperature and humidity. Details are discussed including selection of control equipment, calculation of savings, motor load reading techniques, and adjustable-speed drive fundamentals involved in selection of equipment

Keywords

air conditioning; electric drives; microcomputer applications; space heating; total energy systems; variable speed gear; ventilation; HVAC savings; adjustable speed drives; air volume control; automatic air-conditioning control system; chilled water pumps; chiller efficiency maximisation; control equipment; energy costs; fan speed variation; humidity control; microprocessor control; motor load reading techniques; temperature control; Application software; Automatic control; Control systems; Costs; Hardware; Induction motors; Investments; Microprocessors; Textile fibers; Variable speed drives;

fLanguage

English

Publisher

ieee

Conference_Titel

Textile Industry Technical Conference, 1988., IEEE 1988 Annual

Conference_Location

Greenville, SC

Type

conf

DOI

10.1109/TEXCON.1988.18332

Filename

18332