ДСТУ EN IEC 60193:2022 Гидравлические турбины, насосы-аккумуляторы и турбины-насосы. Испытание модели (EN IEC 60193:2019, IDT; IEC 60193:2019, IDT)

ДСТУ EN IEC 60193:2022
(EN IEC 60193:2019, IDT; IEC 60193:2019, IDT)

Гідравлічні турбіни, насоси-акумулятори та турбіни-насоси.
Випробування моделі

 
 
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

CONTENTS

FOREWORD

1 Scope

2 Normative references

3 Terms, definitions, symbols and units

3.1 General

3.2 General terminology

3.3 Units

3.4 Definition of terms, symbols and units

4 Nature and extent of guarantees related to hydraulic performance

4.1 General

4.2 Main hydraulic performance guarantees verifiable by model test

4.3 Guarantees not verifiable by model test

4.4 Additional performance data

5 Execution of tests

5.1 Requirements of test installation and model

5.2 Dimensional check of model and prototype

5.3 Hydraulic similitude

5.4 Test conditions

5.5 Test procedures

5.6 Introduction to the methods of measurement

5.7 Physical properties

6 Main hydraulic performances: methods of measurement and results

6.1 Data acquisition and data processing

6.2 Discharge measurement

6.3 Pressure measurement

6.4 Free water level measurement (see also ISO 4373)

6.5 Determination of E and NPSE

6.6 Shaft torque measurement

6.7 Rotational speed measurement

6.8 Computation and presentation of test results

6.9 Error analysis

6.10 Comparison with guarantees

7 Additional performance data - Methods of measurement and results

7.1 Introduction to additional data measurement

7.2 Fluctuating quantities

7.3 Axial and radial thrust

7.4 Hydraulic loads on control components

7.5 Testing in an extended operating range

7.6 Differential pressure measurement in view of prototype index test

Annex A (informative) Dimensionless terms

Annex B (normative) Physical properties, data

Annex C (informative) Summarized test and calculation procedure

Annex D (normative) The scale effect on hydraulic efficiency for reaction machines

Annex E (informative) Comparison of the hydraulic efficiency transposition methods of IEC 60193 and IEC 62097 for reaction machines

Annex F (normative) Computation of the prototype runaway characteristics taking into account friction and windage losses of the unit

Annex G (informative) Example of determination of the best smooth curve: method of separate segments

Annex H (informative) Examples of analysis of sources of error and uncertainty evaluation

Annex I (normative) The scale effect on hydraulic efficiency for Pelton turbines

Annex J (normative) Analysis of random errors for a test at constant operating conditions

Annex K (normative) Calculation of plant Thoma number δ_pl

Annex L (informative) Flux diagram of specific hydraulic energy, flow and power

Annex M (informative) Synchronous and asynchronous components of pressure signals

Annex N (informative) Natural frequency of the hydraulic system

Annex O (informative) Calculation of axial force components

Bibliography