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GB/T 8117.4-2017 English PDF

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GB/T 8117.4-2017: Rules for steam turbine thermal acceptance test -- Part 4: Method D -- Simplified performance test rules for steam turbine and its thermal cycle
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Basic data

Standard ID GB/T 8117.4-2017 (GB/T8117.4-2017)
Description (Translated English) Rules for steam turbine thermal acceptance test -- Part 4: Method D -- Simplified performance test rules for steam turbine and its thermal cycle
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K54
Classification of International Standard 27.040
Word Count Estimation 40,488
Date of Issue 2017-11-01
Date of Implementation 2018-05-01
Regulation (derived from) National Standard Announcement 2017 No. 29
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 8117.4-2017: Rules for steam turbine thermal acceptance test -- Part 4: Method D -- Simplified performance test rules for steam turbine and its thermal cycle


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Rules for steam turbine thermal acceptance test-Part 4. Method D-Simplified performance test rules for steam turbine and its thermal cycle ICS 27.040 K54 National Standards of People's Republic of China Turbine thermal performance acceptance test procedures Part 4. Method D Turbine and its heat Loop simplified performance test Part 4.MethodD-Simplified performancetestrulesforsteam Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope and purpose 1 1.1 Scope 1 1.2 Purpose 1 2 Normative references 1 3 Terms and definitions, symbols and definitions 2 3.1 Terms and definitions 2 3.2 Symbols and definitions 3 4 guidelines 4 4.1 The establishment of the thermal system boundary 4 4.2 Type of thermal performance test 5 4.3 Uncertainty Analysis 8 4.4 Pre-test plan 8 4.5 Test Outline 9 4.6 Test time 9 4.7 Preparation before testing 9 4.8 Preliminary test 12 4.9 Test Tuning 13 4.10 Test conditions 13 5 Measurement Technology and Measuring Instruments 15 5.1 General 15 5.2 Power Measurement 15 5.3 Traffic Measurement 16 5.4 Pressure Measurement 18 5.5 Temperature Measurement 19 5.6 Steam quality measurement 20 5.7 Speed Measurement 20 5.8 Time Measurement 20 6 Calculation of test results 21 6.1 Preparation before calculation 21 6.2 Calculation of the results 21 7 Correction of test results and comparison with benchmark performance or guaranteed value 23 7.1 Benchmark Performance 23 7.2 Guaranteed value and guaranteed conditions 23 7.3 Main Steam Flow Correction 23 7.4 maximum output correction 23 7.5 Thermal efficiency and thermodynamic efficiency of the amendment 23 7.6 Definition and Application of Correction Values 25 7.7 Amendment 25 7.8 amendments to be considered parameters 25 7.9 Test tolerance 25 7.10 Turbine Performance Aging 26 7.11 Guaranteed value comparison 26 Appendix A (informative) steam turbine and its thermodynamic simplified basic performance testing 27 Appendix B (informative) Guidance for the choice of test type 28 Appendix C (Informative) Example of Multiple Measures 33

Foreword

GB/T 8117 "Steam turbine thermal performance acceptance test procedures" is divided into the following sections. --- Part 1. Method A large condensing steam turbine high accuracy test; --- Part 2. Method B Wide-accuracy test of turbines of various types and capacities; --- Part 3. Method C to retrofit steam turbine thermal performance verification test; --- Part 4. Method D steam turbine and its thermal cycling simplified performance test. This section GB/T 8117 Part 4. This section drafted in accordance with GB/T 1.1-2009 given rules. This part is proposed by China Electrical Equipment Industry Association. This part of the National Steam Turbine Standardization Technical Committee (SAC/TC172) centralized. This section drafting unit. Shanghai Power Equipment Institute, Xi'an Thermal Research Institute Co., Ltd. and Shanghai Ming Wah Electric Power Engineering Cheng Co., Ltd. and so on. The main drafters of this section. Liu Xiang Min, Shi Yan Chau, Ye Fen, Yang Tianhai, Fu Chang, Zhu Youjun, Liu Wei, Zhao Wen, Chen Xin. Turbine thermal performance acceptance test procedures Part 4. Method D Turbine and its heat Loop simplified performance test

1 Scope and purpose

1.1 Scope This part of GB/T 8117 applies to wide-area steam turbine performance test running in superheated steam zone or saturated steam zone, applicable Turbines for various types, capacity classes and uses. This section is mainly used for turbine performance monitoring test can be used before and after the turbine overhaul test can also be used in accordance with the implementation of this section small Turbine's guaranteed value verification, but not for large-scale steam turbine thermal performance acceptance test. This section includes all types of thermal performance test is as follows. a) The whole machine cycle thermal efficiency or heat rate; b) the maximum output or output under the specified conditions; c) steam consumption rate; d) cylinder efficiency; e) pressure and temperature characteristics; f) the relationship between power and steam flow; g) Flow capacity; h) Feedwater heater performance monitoring; i) Condenser Performance Monitoring (etc). This section does not include an analysis of the uncertainty of steam quality measurements. 1.2 purpose The purpose of this section is to give simple and practical test methods with different accuracies to provide the required tests for performance monitoring and diagnosis result. If you take some of the measures highlighted in this section can also be used to verify the manufacturer's warranty value.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 8117.1-2008 Steam turbine thermal performance acceptance test procedures - Part 1. Method A Large condensing steam turbine high Accuracy test GB/T 8117.2-2008 Steam turbine thermal performance acceptance test procedures - Part 2. Method B Steam turbine of various types and capacities Machine width accuracy test GB/T 8117.3-2014 Steam turbine thermal performance acceptance test procedures - Part C. Method C steam turbine thermal performance test Card test Power station boiler performance test code

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