Measurement considerations for the determination of central plant efficiency

S. J. Treado, T. Snouffer

Research output: Contribution to journalConference articlepeer-review

10 Scopus citations


Concerns about maintaining optimum operating conditions for central plants in order to minimize energy usage and cost have highlighted the need for accurate measurements of electrical power, fluid flow, and temperature chillers and boilers. In particular, chiller efficiency, typically expressed in units of kW/ton, can vary with a number of factors, including condenser and evaporator temperatures and compressor loading. Maintaining the optimum chiller efficiency requires the capability of measuring flow, power, and temperature on a continuous basis and with sufficient accuracy to enable the determination of chiller efficiency. This paper addresses the requirements for a measurement system for assessing chiller efficiency as part of a general energy management and control system for central plant operation.

Original languageEnglish (US)
Pages (from-to)401-406
Number of pages6
JournalASHRAE Transactions
Volume107 PART. 1
StatePublished - 2001
EventASHRAE Transactions. -2001 Winter Meeting. - Atalanta, GA, United States
Duration: Jan 27 2001Jan 31 2001

All Science Journal Classification (ASJC) codes

  • Building and Construction
  • Mechanical Engineering


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