APPLICATION OF IAPWSIF97 FORMULA IN EMULATION OF THERMAL POWER PLANT

ZHENG Lin1; CHANG Xian-rong1; CUI Yong21.College of Electrical Engineering

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APPLICATION OF IAPWSIF97 FORMULA IN EMULATION OF THERMAL POWER PLANT

更新时间：2025-09-28

- APPLICATION OF IAPWSIF97 FORMULA IN EMULATION OF THERMAL POWER PLANT
- Thermal Power Generation Vol. 38, Issue 8, Pages: 36-40(2009)
- 作者机构：
  
  1. 华北电力大学电力工程系
  2. 河南兰考供电公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2009
- 稿件说明：
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ZHENG Lin1, CHANG Xian-rong1, CUI Yong21.College of Electrical Engineering. APPLICATION OF IAPWSIF97 FORMULA IN EMULATION OF THERMAL POWER PLANT[J]. Thermal power generation, 2009, 38(8): 36-40.
DOI：

ZHENG Lin1, CHANG Xian-rong1, CUI Yong21.College of Electrical Engineering. APPLICATION OF IAPWSIF97 FORMULA IN EMULATION OF THERMAL POWER PLANT[J]. Thermal power generation, 2009, 38(8): 36-40. DOI：

摘要

火电厂仿真计算中涉及到水和水蒸气热力性质的计算一般采用查表法和拟合公式法

但查表法在有限的计算机硬件条件下计算速度较慢

难以实现火电厂动态仿真的实时性要求。对此

将IAPWS-IF97拟合公式用Visual C++6.0编程软件编制成动态链接库函数

用于仿真计算水和水蒸气的热力性质。与查表法相比

该方法计算速度有明显提高

可满足实时仿真要求。

Abstract

In emulation of thermal power plant

the calculation of thermodynamic properties of water and steam is involved

in general

the looking-up table(LUP) method and fitting formula method are to be adopted.But

the speed of LUP method is slower under condition of limited hardwares of the computer

and being difficult to realize realtime emulation required in the dynamic emulation of power plant.For this reason

a dynamic link library(DLL) function has been worked out from IAPWS-IF 97 fitting formula by using Visual C++0.6 programming software and being used for calculation the thermodynamic properties of water and steam.Compared with the looking-up table method

the computing speed of the latter method has been remarkably enhanced

and can satisfy the requirement of realtime emulation.

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