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BS EN 17038-2:2019 Pumps. Methods of qualification and verification of the Energy Efficiency Index for rotodynamic pump units - Testing and calculation of Energy Efficiency Index (EEI) of single pump units, 2021
- undefined
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Reference flow-time profiles and reference pressure control curves [Go to Page]
- 4.1 General
- 4.2 Reference flow-time profiles
- 4.3 Reference pressure control curves
- 5 Determination of average electric power input P1,avg by test [Go to Page]
- 5.1 General [Go to Page]
- 5.1.1 Test requirements
- 5.1.2 Test conditions
- 5.1.3 Measuring instrumentation
- 5.2 Calculation of load points [Go to Page]
- 5.2.1 General
- 5.2.2 Determination of Q100 % and H100 %
- 5.2.3 ˜Determination of part load and over load points and reference control curve™
- 5.3 Calculation of P1,avg [Go to Page]
- 5.3.1 General
- 5.3.2 Pump units evaluated with the reference flow-time profile for constant flow operation
- 5.3.3 Pump units evaluated with the reference flow-time profile for variable flow operation
- 5.3.4 Procedures for testing and evaluation of pump units with special pump types [Go to Page]
- 5.3.4.1 General
- 5.3.4.2 Pump units with twin head pumps (ESCCi with two impellers)
- 5.3.4.3 Pump units with pumps according to more than one type definition
- 6 Determination of the Energy Efficiency Index of pump units by the means of a semi-analytical model [Go to Page]
- 6.1 General
- 6.2 The semi analytical model of the pump
- 6.3 Pump units in fixed speed operation [Go to Page]
- 6.3.1 General
- 6.3.2 The model of the electric motor
- 6.3.3 Interaction of pump and motor
- 6.3.4 Determination of Q100 % from QBEP
- 6.3.5 Determination of the P1,avg,c-value
- 6.4 Pump units with a Power Drive System (PDS) [Go to Page]
- 6.4.1 General
- 6.4.2 The model of the Power Drive System (PDS)
- 6.4.3 Interaction between pump and PDS
- 6.4.4 Determination of Q100 % and H100 % from QBEP and HBEP
- 6.4.5 Determination of P1,avg,v and P1,avg,c for pump units with PDS
- 7 Determination of reference electric power input P1,ref
- 8 Calculation of Energy Efficiency index (EEI)
- Annex A (normative)Scope
- Annex B (informative)Determination of additional supporting points for semi-analytical model based on empirical correlations [Go to Page]
- B.1 General
- B.2 Additional supporting points for end-suction pumps (pump types ESOB, ESCC and ESCCi) [Go to Page]
- B.2.1 Additional supporting points at Q/QBEP = 0,25
- B.2.2 Additional supporting points at Q/QBEP = 0,1
- B.3 Additional supporting points for vertical multistage pump (MS-V) [Go to Page]
- B.3.1 Additional supporting points at Q/QBEP = 0,25
- B.3.2 Additional supporting points at Q/QBEP = 0,1
- B.4 Maximum model uncertainties
- Annex C (normative)Synthesis of the PDS supporting points from separate data for motor and CDM [Go to Page]
- C.1 General
- C.2 Determination of the losses PL,CDM at the 3-supporting points needed for the PDS model
- C.3 Determination of the losses PL,PDS at the 3 supporting points needed for the PDS model
- Annex D (informative)Uncertainties and tolerances of EEI-values [Go to Page]
- D.1 General remarks
- D.2 The measurement uncertainty of the EEI-value determined by test
- D.3 The uncertainty of the EEI-value determined by the application of models [Go to Page]
- D.3.1 General
- D.3.2 Operation mode: Fixed speed
- D.3.3 Operation mode: Variable speed
- D.4 The total tolerance of the mean EEI-value [Go to Page]
- D.4.1 Determination of the mean EEI-value by testing only one pump unit
- D.4.2 Determination of the mean EEI-value by testing a sample of M pump units of the same type series
- D.4.3 Determination of the mean EEI-value by application of the semi-analytical model
- Annex E (informative)Mathematical solution of polynomial formulae of 3rd degree
- Annex F (normative)CDM model fall back values for Semi Analytical Model [Go to Page]
