CEI IEC 41: 1991 Field acceptance tests to determine the hydraulic performance of hydraulic turbines, storage pumps and pump turbines

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Количество страниц: 434.This International Standard has been prepared by IEC Technical Committee No.4: Hydraulic turbines. It replaces the second edition of IEC41, the first edition of IEС198 and the first edition of IEC607.Section One - General rules.
Section Two - Execution of test for the determination of the steady state performance of the machine.
Section Three - Execution of test for the determination of the transient characteristic of the machine.
Section Four - Methods of measurement.
Appendix A Systematic uncertainties in performance measurements at steady state conditions.
Appendix B Rejection of outliers.
Appendix C Analysis of the random uncertainties for a test at constant operating conditions.
Appendix D Analysis of the random uncertainties for a test over a range of operating conditions.
Appendix E Physical data.
Appendix F Derivation of the equation for the specific hydraulic energy of a machine.
Appendix G Measurement of electric power - Determination of the correction for a single-phase
measuring system.
Appendix H - Thermodynamic method - Examples for a balance of power and computation of the
specific mechanical energy.
Appendix J - Acoustic method of discharge measurement.