Increasing the efficiency and reliability of air conditioning systems with dual pumps
- Authors: Kokorin O.Y.1
-
Affiliations:
- MGSU
- Issue: Vol 90, No 9 (2001)
- Pages: 2-4
- Section: Articles
- URL: https://journal-vniispk.ru/0023-124X/article/view/104669
- DOI: https://doi.org/10.17816/RF104669
- ID: 104669
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Abstract
The article describes design features of twin pumps of Grundfos compat series UPSD and LMD ltd. used in air conditioning systems. Operational dim acteristics of pumps are presented, and characteristics during operation regime: basic — stand-by and during their parallel operation are cornpar
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##article.viewOnOriginalSite##About the authors
O. Ya. Kokorin
MGSU
Author for correspondence.
Email: info@eco-vector.com
Doctor of Engineering, Sciences, Prof.
Russian FederationReferences
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1.
JATS XML
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Rice. 1. Twin pumps: a - type UPSD series 200; b - type LM D /L PD; 1 - a single body made of gray cast iron GG20 or bronze; 2— engine; 3 - terminal box; 4 - flange of the suction pipe; 5 - flange of the discharge pipe; 6 - plate for mounting on the foundation; 7 longitudinally coiled coupling for connecting the electric motor shaft with the impeller shaft
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3.
Rice. 2. Performance and power consumption of LMD/LPD double pump: 1 - when one pump is running (the second is a backup) 2 - for parallel operation of two double pumps
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Rice. 3. Diagram of comparative indicators of the use of dual pumps as a main / standby and with parallel operation of both pumps on the network
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