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GB/T 8117.3-2014: Rules for steam turbine thermal acceptance tests -- Part 3: Method C -- Turbine thermal performance verification test
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Rules for steam turbine thermal acceptance tests -- Part 3: Method C -- Turbine thermal performance verification test
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GB/T 8117.3-2014
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Basic data | Standard ID | GB/T 8117.3-2014 (GB/T8117.3-2014) | | Description (Translated English) | Rules for steam turbine thermal acceptance tests -- Part 3: Method C -- Turbine thermal performance verification test | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K54 | | Classification of International Standard | 27.040 | | Word Count Estimation | 69,642 | | Date of Issue | 12/12/2014 | | Date of Implementation | 6/1/2015 | | Adopted Standard | IEC 60953-3-2001, IDT | | Regulation (derived from) | National Standards Bulletin 2014 No. 30 | | 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 | | Summary | This standard specifies the procedures for the transformation of complementary transformation turbine thermal performance verification tests. The provisions of this standard given follow GB /T 8117.2-2008 in the guidelines, but also modify and supplement | GB/T 8117.3-2014: Rules for steam turbine thermal acceptance tests -- Part 3: Method C -- Turbine thermal performance verification test
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Rules for steam turbine thermal acceptance tests Part 3. Method C. Turbine thermal performance verification test
ICS 27.040
K54
National Standards of People's Republic of China
Turbine Performance acceptance test procedure
Thermal transformation method C Turbine. Part 3
Performance Verification Test
Rulesforsteamturbinethermalacceptancetest-Part 3. MethodC-
(IEC 60953-3.2001, Rulesforsteamturbinethermalacceptancetest-
Part 3. Thermalperformanceverificationtestsofretrofittedsteam
turbines, IDT)
Issued on. 2015-06-01 2014-12-22 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
Introduction Ⅳ
1 Scope 1
1.1 Scope 1
1.2 Objective 1
Matters to be Considered 1.3 contract 1
2 Normative references 2
3 units, symbols, terms and definitions 2
3.2.1 The symbols and units used in part 2
3.3.1 This section subscript with superscript 2
Terms and definitions in this section 3.3.2 3
Part 4 3.4.8 Efficiency
3.5 ensure that the value of the selection guide 6
3.5.1 ensure absolute value 6
3.5.2 ensure that performance improvement relative value 7
4 General 8
Preplanning 4.1 Test 8
4.3.1 verification test of time 8
5 measurement techniques and measuring instruments 10
5.1.6 Test before and after the transformation and renovation of consistency test 10
5.2.8 Test before and after the transformation and reconstruction of electric power determination test 10
5.3.1 test 10 to determine the flow rate
5.7.7 retrofit applications using the Tracer 11
6 11 test calculation
6.1 Calculation test preparation 11
6.2.2 Fixed average reading and conversion 11
6.2.4 Thermodynamic properties of water and steam 12
6.2.5 Calculation of test results 12
7 amendments and compare test results with guaranteed values \u200b\u200bof 14
7.1.1 ensure that the value and the transformation of the specific guarantee conditions 14
7.8 Comparison of guaranteed value of 14
Performance degradation 7.9.1 Reconstruction member (aging) 15
Annex H (normative) Test results measurement uncertainty --- retrofit applications 16
Performance improvement value Annex I (informative) Calculation --- Transformation example (thermal power and nuclear power) 20
Appendix J (informative) uncertainty calculation examples --- (thermal power and nuclear power) 42
Annex K (normative) tracer techniques --- retrofit applications 55
Annex L (informative) temperature difference method 58
Foreword
GB/T 8117 "steam turbine thermal acceptance tests" is divided into three parts.
--- Part 1. Method A large condensing steam turbine with high accuracy test;
--- Part 2. Method B types and sizes of turbines Wide range of accuracy;
--- Part 3. Method C transformation turbine thermal performance verification tests.
This section GB/T 8117 Part 3.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section uses the translation method is equivalent to using IEC 60953-3.2001 "steam turbine thermal acceptance tests - Part 3. Transformation of Steam Turbine
Thermal performance verification test. "
This part made the following editorial changes.
--- Consistent with the existing standard series, the standard name will be changed to "procedures turbine thermal acceptance tests - Part 3. Method C
Thermal Performance transformation Turbine verification tests. "
This part is proposed by the China Electrical Equipment Industrial Association.
This part of the National Standardization Technical Committee turbine (SAC/TC172) centralized.
This section is drafted. Shanghai Power Equipment Research Institute, Xi'an Thermal Power Research Institute Co., Ltd.
The main drafters of this section. Liuxiang Min, Shi Yanzhou, Zhuyou Jun, Zhao Yi, Ye Fen, Yang Shoumin, Zhang Huamin, in the novel, Liu Chen and Zhu Litong,
Yangrui Fu, Yao Xiaolin.
Introduction
Transformation active steam turbines often include performance improvements. Part 1 and Part 2 provides a new steam turbine power plant
Force performance acceptance testing procedures, but still can not meet all the requirements of specific renovation projects, and therefore the need for a supplementary test procedures, as
Reconstruction turbine thermal acceptance test guidelines.
However, the first part and a lot of terms and recommended requirements of Part 2 still apply to test reconstruction project, therefore, in order to avoid content
Repetition and excessive length, in this section appears only transform unit unique supplement and amendment.
This section should be read in conjunction with Part 2, and with the "verification test" instead of "acceptance tests", and Part 2 as a reference standard to make
use. Structure and terms of the number of the section in line with Section 2, sub-clause in this section instead of part 2 of all the corresponding sub-clause.
As long as there is this part of what is new, increased sub-clause number, the number sequentially extended, Part 2 without amendment of sub-clause is not in this section
Repeat.
Since Part 2 is more common and more suitable for renovation projects, so the use of Part 2 of this section as a reference standard, rather than Part 1
Minute. Although this section applies to the transformation of large condensing steam turbine, but can also be applied to other types and sizes of turbines, as relevant
It was agreed that the basis of specific test schedules.
Part 2 takes precedence over Part 1 as a reference standard does not mean reduced accuracy, but for renovation projects and related guaranteed
, The former provisions can get suitable test accuracy. In some cases, the need to use Part 1 of more stringent rules in order to achieve
The aim of these projects shall be specified in the present section.
Given the provisions of this section apply to the transformation of turbine equipment for all hardware components. But for other devices (such as boilers, water heating
Etc.) transformation test is not included in this section, even though these changes may affect the performance of the thermodynamic cycle.
The purpose of this section is to verify the impact of the transformation of plant efficiency turbine performance guarantee value. Many different revamping encounter,
Such as replacement of the steam valve, part of the turbine blades, rotor, replacement of the whole module. Ensure that the value will depend on the specific circumstances of the transformation to
And the parties to the contract agreed upon protocol. According to this section, the parties can determine the most appropriate parameter values \u200b\u200bas a guarantee in order to evaluate the performance after the transformation.
The main difficulty is the choice of the transformation project guaranteed values. Although the original manufacturer are usually willing to adopt improved relative performance guarantee value, but for
Do not need to understand the transformation of the original equipment supplier for all other details in terms of absolute performance may be willing to use the device after transformation guaranteed. This section
Given the choice of guaranteed guidance. Once the guaranteed value, you may need to test performance by the transformation of the former recalculate the guaranteed value. this
These provisions also provide a partial guarantee for value verification.
This appendix section gives several detailed application examples, this section is difficult to fully cover all situations transformation project.
Part and Part 2 of the main differences in the main terms are as follows.
--- Scope and purpose
This part in particular made some new guarantee value is defined. So that it may transform a typical indicator device (such as cylinder efficiency, the valve chamber
Chamber pressure drop, etc.) that guarantee. Absolute guarantee that the value specified in Section 2 is not suitable for determining the transformation between the rear original equipment and devices
Improved results, so this part of the introduction of relatively guaranteed.
Because there are a variety of different transformation case, a contractual warranty terms vary, so this part of the requirements of the terms of the contract review. in
When determining the guaranteed value, that is written in the contract stage before the performance verification tests will depend on the terms of the contract agreement the parties agreed.
--- Units, symbols, terms and definitions
All units, symbols, terms and definitions applicable to Part 2 of this section. However, the present situation and the transformation section contains relevant new
Concepts and new terminology, especially the proposed new definition of the second supplement or replace the guaranteed portion. This section has a guide table for each relevant
Elects to adapt the project to ensure value.
Guaranteed manufacturers can provide are.
● ensure absolute value
--- Heat efficiency or heat consumption rate of the steam turbine;
Steam flow --- a predetermined condition, thermodynamic efficiency of the steam turbine or steam consumption rate or output power;
--- Main steam flow capacity and/or the maximum power output;
--- Internal efficiency of the turbine of each cylinder.
● ensure relative value
--- Steam turbine thermal efficiency or improved heat rate;
--- Thermodynamic efficiency or steam consumption rate or improved output power;
--- Main steam flow capacity and/or improved maximum output power;
--- Steam Turbine cylinder efficiency improvements.
--- General
General Part 2 is also most useful in retrofit situations. Amended or supplemented in this chapter include. Note when the transformation of the former, after the test
Precautions, as well as when making performance improvements to ensure that the required reference value.
Pay special attention to the system to isolate the problem and can cause tolerance measurements a significant impact on the test results.
--- Measurement technology and instrumentation
In the renovation project, we can not set firm guidelines on measurement techniques and instrumentation. Select the instrument should be able to meet the desired installation and inspection
It requires permits guaranteed values. Appendix J gives the accuracy of individual measurements to ensure that the value of sensitivity coefficient, able to make the most appropriate instrument
s Choice.
As traffic is one of the most important measurement, so this part of the need to respect the installation of flow measurement devices gives guidance. Push
Recommended allows simultaneous measurement and comparison of the main flow method. The situation is difficult to remove the flow meter for routine check, using a diagram given in Appendix K
Track measuring flow as a suitable alternative.
--- Test Calculation
This section gives the rules applicable to the calculation of guaranteed value of the renovation project. For retrofit applications of unknown leak, also gives special
Provisions.
--- Amendments and compare test results with guaranteed values
Correction method specified in Section 2 also apply to this section, but there is no guarantee for new types of value of special provisions. For deferred
Test, gives guidance on aging issues.
This chapter also includes the effectiveness of the performance values, these values \u200b\u200bare used to determine the reference base to ensure performance improvement value. When the transformation of the former test table
Ming will be the transformation of the actual state of the predetermined condition of the turbine are different, more acceptable to the original guaranteed value to be modified.
Reconstruction turbine or its components may affect other devices (feedwater heaters, condensers, boilers) operating conditions. If the transformation Movies
It rang beyond the boundary conditions, may be required to the manufacturer's instructions on the transformation of neighboring devices.
--- Measurement Uncertainty
For special cases encountered in the transformation project, this section of Appendices I and J of Part 2 of the relevant provisions of the supplement.
Due to a variety of circumstances, it is recommended that the transformation was carried out as early as possible before the uncertainty calculation to determine the required test instrumentation. Attached
Recorded examples for reference.
---appendix
After this section in Part 2 of Annex 7 already (Appendix A ~ Appendix G) adds five new appendix (Appendix H ~ Appendix L).
Appendix H deals with the uncertainty retrofit applications, and improve the information given in Part 2 of Appendix F.
Appendices I and J show examples of performance calculation and uncertainty in the thermal power station and nuclear power plant retrofit applications of computing.
Appendix K describes the particular method of reconstruction projects Tracer techniques to measure the flow.
Examples are given in Appendix L of a "temperature difference method" to determine the high and medium pressure steam seal co-cylinder steam flow methods and recommendations.
Turbine Performance acceptance test procedure
Thermal transformation method C Turbine. Part 3
Performance Verification Test
1 Scope
1.1 Scope
This section GB/T 8117, and also known as "transformation rules", developed for the transformation of the supplementary turbine thermal performance verification tests
Transformation procedures.
Given the provisions of this section follows the GB/T 8117.2-2008 in the guidelines, but also modify and supplement the guaranteed transformation Turbine
And to verify the guaranteed value by thermal acceptance tests.
This section gives a validation test preparation, implementation, computing, the general principles of comparison and measurement uncertainty and other test results and guaranteed values.
This section applies only to certain hardware transformation turbine equipment performance verification tests. This section does not apply to any changes in the circulatory system
Or transform into any other power plant equipment (such as boilers, water heaters, etc.).
1.2 Purpose
The purpose of this section is to determine the appropriate value of the parameter guarantee, verification and guarantee value to determine the measurement uncertainty.
Guaranteed with additional provisions should be complete and express no contradiction (see GB/T 8117.2-2008 in this section 3.4 and 3.4.8,
3.5). Verification tests may also include a measure to ensure the conditions required modifications and test results.
1.3 Contract Matters to be Considered
Some items in this section should be considered at an early stage. Before contract, the parties shall determine differences and reach an agreement. These matters package
Included in Table 1.
Table 1 Contract Matters to be Considered
Reg number paragraph Remarks
And paragraph 7 of the Introduction, paragraph 5 of the program and ensure that the value
Paragraph 21 defines the value of guarantee
All paragraphs 3.5
3.5.1.1 paragraph 2
4.1 and paragraph 4, paragraph 1
Paragraph 4 4.2
7.1.1 last paragraph
7.8 - ensure that the comparison value
7.9.1 - Performance degradation Reconstruction member
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