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BS EN 17038-4:2023

BS EN 17038-4:2023

$167.15

Pumps. Methods of qualification of the Energy Efficiency Index for rotodynamic pump units – Testing and calculation of energy efficiency index (EEI) of submersible multistage pump units

Published By Publication Date Number of Pages
BSI 2023 40
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This document specifies methods and procedures for testing, calculating, and determining the Energy Efficiency Index (EEI) of submersible multistage pump units.

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PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
9 3 Terms and definitions
12 4 Symbols and abbreviations
14 5 General conditions for the operation of submersible multistage pump units
6 Reference flow-time profiles and reference pressure control curve
6.1 General
15 6.2 Reference flow-time profiles
16 6.3 Reference pressure control curves
7 Determination of average electric power input P1,avg by test
7.1 General
7.1.1 Introduction
7.1.2 Test conditions
17 7.1.3 Measuring instrumentation
18 7.1.4 Uncertainties of measured quantities
7.2 Measurement procedure
7.2.1 Measurement steps
7.2.2 Determination of Q100 % and H100 %
7.2.3 Determination of reference load points
19 7.2.4 Adjustment tolerances
7.2.5 Corrections for deviations in flow and head
7.3 Calculation of P1,avg
20 8 Determination of average electric power input P1,avg by the means of a Semi-Analytical Model
8.1 General
8.2 The semi-analytical model of submersible rotodynamic pumps
21 8.3 Pump units in fixed speed operation
8.3.1 General
22 8.3.2 Model of the electric motor
8.3.3 Interaction of pump and motor
8.3.4 Determination of Q100 % and H100 %
23 8.3.5 Determination of the P1,avg,c -value
24 8.4 Pump units with a Power Drive System (PDS)
8.4.1 General
26 8.4.2 Model of the Power Drive System (PDS)
28 8.4.3 Interaction of pump and PDS
29 8.4.4 Determination of Q100 % and H100 %
8.4.5 Determination of P1,avg for pump units with PDS
30 9 Determination of reference electric power input P1,ref
33 10 Calculation of Energy Efficiency Index (EEI)
34 Annex A (informative)Generation of input data for the models of components of a submersible multistage pump unit
A.1 General
A.2 Input data for the model of a submersible rotodynamic pump
35 A.3 Input data for the model of a submersible grid fed motor
A.4 Input data for the model of a PDS consisting of submersible motor and CDM
37 Annex B (informative)Experimental Determination of thrust bearing friction losses
38 Annex C (informative)Determination of EEI values using data for RCDMs

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BS EN 17038-4:2023
$167.15