GB/T 28558-2012Supercritical and ultra-supercritical generating set parameter series (English PDF)
超临界及超超临界机组参数系列
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 29, 2012
Implementation date
November 1, 2012
Scope
GB/T 28558-2012 is the English-translated version of 超临界及超超临界机组参数系列.
GB/T 28558-2012 is the Chinese standard "Supercritical and ultra-supercritical generating set parameter series". Its scope clause reads: This standard specifies the parameters, terms and definitions supercritical and ultra-supercritical units.
This standard applies to domestic production is rated at 350MW, 600MW, 660MW supercritical unit and the rated power As ultra-supercritical units 600MW, 660MW, 1000MW parameters series.
Supercritical and ultra-supercritical units specified in this standard is a reheat unit, the unit parameters expressed as. new steam pressure/new steam Temperature/reheat steam temperature.
Its clauses include terms and definitions; turbines, boilers and generators parameter series.
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Document preview — GB/T 28558-2012
National Standard of the People's Republic of China
- ICS
- 27.100
- Classification
- K 54
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 turbines, boilers and generators parameter series
1 Scope
This standard specifies the parameters, terms and definitions supercritical and ultra-supercritical units.
This standard applies to domestic production is rated at 350MW, 600MW, 660MW supercritical unit and the rated power
As ultra-supercritical units 600MW, 660MW, 1000MW parameters series.
Supercritical and ultra-supercritical units specified in this standard is a reheat unit, the unit parameters expressed as. new steam pressure/new steam
Temperature/reheat steam temperature.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 754-2007 steam turbine power generation parameters series
GB/T 2900.46 Electrotechnical terminology - Steam turbine and auxiliary equipment
GB/T 2900.48-2008 Electrotechnical terminology boiler
3 Terms and Definitions
GB/T 754-2007, GB/T 2900.46, GB/T 2900.48-2008 defined and the following terms and definitions apply to this file.
3.1 Critical point of water
Water liquid and vapor phases can coexist in equilibrium parameters of the highest points of the inherent physical properties constant. Critical point of water temperature tc = 374.15 °C, the Provisional
Boundary point pressure pc = 22.129MPa.
3.2 Supercritical parameters
Steam parameter exceeds a critical point called supercritical pressure and temperature parameters.
3.3 USC ultra-supercriticalparameter
Steam turbine parameters than conventional supercritical parameters 24.2MPa/566 °C/566 °C when the inlet steam parameters.
3.4 Rated power
Under the new rated steam parameters, reheat steam parameters and backpressure prescribed rate feed water conditions, does not exceed the life, the power generation
Ensure continuous power at the motor terminals. The power is generally nameplate power.
NOTE. The back pressure should be considered here in the cold side of the cooling medium parameters highest annual temperature optimization.
4 turbines, boilers and generators parameter series
4.1
turbine, the boiler parameters Series Table 1.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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