BS ISO 50045:2019

$142.49

Technical guidelines for the evaluation of energy savings of thermal power plants

Published By	Publication Date	Number of Pages
BSI	2019	32

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This document gives general technical guidelines for evaluating energy savings of thermal power plants before and/or after implementing energy performance improvement action(s) (EPIAs). It includes evaluation, unit component efficiency, indexes calculation, analyses and reporting.

This document is applicable to existing thermal power generating units (TPGUs), where fossil fuels (e.g. coal, oil, natural gas) are combusted to generate electricity only or to supply thermal energy with the additional production of electricity (i.e. combined cycle power plants).

NOTE A typical thermal power plant encompasses at least one TPGU. If there is more than one, the TPGUs can run independently.

Results obtained in accordance with this document can be used either to evaluate the potential of energy savings or to determine fulfilment of contract guarantees. They do not provide a basis for comparison of the energy savings between TPGUs.

This document does not prescribe performance tests or measurements for TPGU equipment components/systems, the sampling and analysis of the fuels used, substances added for control of emissions (e.g. halide, limestone) and by-products (e.g. ash, gypsum), and instruments to be employed, but it does specify parameters of interest in the determination of energy savings. Applicable procedures can be found in relevant documents (published or to be published).

PDF Catalog

PDF Pages	PDF Title
2	National foreword
6	Foreword
7	Introduction
9	1 Scope 2 Normative references 3 Terms and definitions
12	4 Symbols, units and abbreviations
13	5 Evaluation of energy savings 5.1 General
14	5.2 Principles
15	5.3 Evaluation indexes
16	6 Unit component efficiency 6.1 Boilers 6.1.1 Boundary 6.1.2 Boiler energy balance
19	6.1.3 Boiler efficiency calculations
20	6.1.4 Others 6.2 Steam turbine/generator efficiency
21	6.3 Gas turbine efficiency 6.3.1 General 6.3.2 Simple cycle gas turbine systems
22	6.3.3 Combined cycle power plants
23	7 Calculation of evaluation indexes 7.1 Fuel equivalent 7.2 Fuel equivalent consumption rate
24	8 Analyses and performance evaluation 8.1 Procedure for evaluation
26	8.2 Evaluation of energy savings 8.2.1 Determination of energy savings income
27	8.2.2 Analyses for financial benefits
28	9 Reporting 9.1 Project overview 9.2 Current status and energy consumption of equipment
29	9.3 Analysis of influencing factors 9.4 Analysis of energy-savings potential 9.5 Suggestions and measures for energy-savings
30	Bibliography