SY/T 7829-2024 Energy efficiency testing and calculation methods for new energysystems in oil and gas field enterprises English, Anglais, Englisch, Inglés, えいご
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ICS
E
Professional standard of the People's Republic of China
SY/T 7829-2024
Energy efficiency testing and calculation methods for new energy systems in oil and gas field enterprises
油气田企业新能源系统能效测试和计算方法
(English Translation)
Issue date: 2024-12-25 Implementation date: 2025-06-25
Issued by National Development and Reform Commission, P.R.C
Contents
Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 Symbols and Units
5 Test Preparation
6 Test and Calculation Methods
6.1 Heat Pump Systems
6.2 Wind Power Generation Systems
6.3 Photovoltaic Power Generation Systems
6.4 Solar Heating Systems
6.5 Electrical Energy Storage Systems
6.6 Thermal Storage Systems
6.7 Natural Gas Residual Pressure Power Generation Systems
7 Test Report
7.1 Basic Information
7.2 Main Body of the Report
Energy Efficiency Testing and Calculation Methods for New Energy Systems in Oil and Gas Field Enterprises
1 Scope
This document specifies the energy efficiency testing and calculation methods for new energy systems in oil and gas fields, including heat pump systems, wind power generation systems, photovoltaic power generation systems, solar heating systems, natural gas residual pressure power generation systems, and related electrical energy storage systems and thermal storage systems. It covers test preparation, testing methods, and calculation methods.
This document applies to the energy efficiency testing and calculation of water source and air source heat pump systems, wind and solar power generation systems at voltage levels of 380V and above, solar heating systems, natural gas residual pressure power generation systems, electrical energy storage systems, and thermal storage systems in oil and gas fields. Oil and gas pipeline enterprises may refer to this document for implementation.
2 Normative References
The following documents contain provisions which, through normative reference in this text, constitute essential provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 2900.53 Electrotechnical terminology — Wind turbine generator systems
GB/T 4271 Test methods for the performance of solar collectors
GB/T 13609 Natural gas — Sampling guidelines
GB/T 13610 Analysis of natural gas composition — Gas chromatography
GB/T 18210 Crystalline silicon photovoltaic (PV) array — On-site measurement of I-V characteristics
GB/T 18362 Direct-fired lithium bromide absorption water heater/chiller
GB/T 18431 Steam and hot water type lithium bromide absorption chiller
GB/T 18451.2 Wind turbine generator systems — Power performance measurements
GB/T 19141 Technical conditions for domestic solar water heating systems
GB/T 19409 Water-source (ground-source) heat pump units
GB/T 25127.1 Low ambient temperature air source heat pump (water chilling) packages — Part 1: Heat pump (water chilling) packages for industrial, commercial and similar application
GB/T 25127.2 Low ambient temperature air source heat pump (water chilling) packages — Part 2: Heat pump (water chilling) packages for household and similar application
GB/T 31512 Economical operation for water source heat pump system
GB/T 36549 Operational index and evaluation of electrochemical energy storage station
GB/T 36558 General technical requirements for electrochemical energy storage system in power system
GB/T 39857 Technical specification for efficiency of photovoltaic power generation
GB/T 40517 Solar medium and low temperature thermal storage device
NB/T 31045 Guide for operation index and evaluation of wind farm
NB/T 32034 Code for on-site module testing of photovoltaic power station
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 31512, GB/T 2900.53, and the following apply.
3.1
heat pump system coefficient of performance
The ratio of the cumulative heating capacity produced by the heat pump system during the measurement period to the total electrical energy consumed by the system.
[SOURCE: GB/T 31512-2015, 3.4, modified]
3.2
wind turbine generator system
A system that converts the kinetic energy of wind into electrical energy.
[SOURCE: GB/T 2900.53-2001, 2.1.2, modified]
3.3
efficiency of solar photo-thermal system
The ratio of the heat energy output from the solar heating system to the energy input to the system during the test period.
Note: The energy input to the solar heating system includes the total solar irradiance received by the collector and the energy consumption of auxiliary equipment.
3.4
thermal storage system
A system that stores heat through thermal storage materials and releases it for use when needed. Also referred to as a heat storage system.
3.5
natural gas residual pressure power generation system
A system that converts the pressure energy of natural gas into electrical energy and outputs it, consisting of pre-treatment systems, expanders, generators, and supporting auxiliary facilities.
3.6
efficiency of natural gas residual pressure power generation system
The ratio of the electrical energy output from the generator to the energy input to the system, expressed as a percentage.
Note: The energy input to the natural gas residual pressure power generation system includes the energy input to the expander and the energy consumption of auxiliary equipment.
3.7
efficiency of natural gas residual pressure power generation unit
The ratio of the electrical energy output from the generator to the energy input to the expander, expressed as a percentage.
4 Symbols and Units
The symbols and units listed in Table 1 apply to this document.
5 Test Preparation
5.1 The test leader shall be a professional familiar with this document and experienced in testing. Test personnel should not be changed during the testing process. A test plan shall be formulated according to the provisions of this document and in conjunction with specific conditions. The test plan shall include, but not be limited to, the following information:
a)Test tasks and requirements;
b) Test items;
c) Arrangement of measurement points;
d) Test instruments and meters;
e) Personnel organization and division of responsibilities;
f) Test schedule arrangement.
