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BS EN 17038-1:2019:2021 Edition

BS EN 17038-1:2019:2021 Edition

$167.15

Pumps. Methods of qualification and verification of the Energy Efficiency Index for rotodynamic pump units – General requirements and procedures for testing and calculation of Energy Efficiency Index (EEI)

Published By Publication Date Number of Pages
BSI 2021 38
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PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
3 Terms and definitions, symbols and subscripts
11 4 Energy Efficiency Index (EEI) calculations
4.1 General information and explanation on EEI
4.2 Weighted-average value of the electric power input
12 4.3 The reference electric power input P1, ref
5 Qualification of pump unit types in respect to their Energy Efficiency Index
5.1 General remarks
13 5.2 Qualification methods
14 6 Verification of the Energy Efficiency Index for pump units
6.1 General remarks
6.2 Procedure and decision
16 Annex A (informative)Mean value and confidence interval of the Energy Efficiency Index EEI
21 Annex B (informative)Methods recommended for the qualification of a pump unit type by test
B.1 General remarks
B.2 Determination of the mean value of EEI of a pump unit type population from a test on only one test pump unit
22 B.3 Determination of the mean value of EEI of a pump unit type population from a sample test of M pump units
25 Annex C (informative)Application of mathematical statistics on tests
C.1 Purposes of applying statistics in the frame of qualification and verification
C.2 Normal or Gaussian distribution
26 C.3 Confidence interval
27 C.4 Outlier test
29 Annex D (informative)Measurement uncertainties
32 Annex E (informative)The probability of the result of the verification procedure
E.1 General
34 E.2 Probability that the conformity to law is confirmed by verification tests
35 E.3 Probability that a numerical value of indicated by the responsible company is confirmed by verification tests

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BS EN 17038-1:2019
$167.15