Proceedings of the 6th Mechanical Engineering, Science and Technology International conference (MEST 2022)

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Turbine Blade Modification to Obtain Required NPHR Value with Low-Quality Coal Energy Source at Gorontalo Power Plant

Authors
Nedismanto1, Armila1, Hariyadi2, Jana Hafiza1, Riza Muharni1, Rudi Kurniawan Arief1, *
1Mechanical Engineering Dept, Muhammadiyah University of West Sumatera, Bukittinggi, West Sumatera, Indonesia
2Electronic Engineering Dept, Muhammadiyah University of West Sumatera, Bukittinggi, West Sumatera, Indonesia
*Corresponding author. Email: rudikarief@umsb.ac.id
Corresponding Author
Rudi Kurniawan Arief
Available Online 19 April 2023.
DOI
10.2991/978-94-6463-134-0_26How to use a DOI?
Keywords
NPHR; power plant; turbine blade; efficiency
Abstract

Nowadays, the Indonesian government is actively building coal-fired power plants and one of the new power plant projects is in Gorontalo. The reliability of the PLTU Gorontalo was designed to have a Net Plant Heat Rate of 3068 kcal/kWh which can be reached using coal fuel quality above 4200 kcal/kg. Unfortunately, this type of coal is rarely available in the local market, local coal only reaches fuel quality of 3600 kcal/kg – 4200 kcal/kg, which means the plant reliability of 3068 kcal/kWh could not be obtained. To reach the required NPHR by using local coal that is available in the market, the turbine design needs to modify and the auxiliary power needs to adjust accordingly. The individual blade design was modified and the number of blade assembly also added to increase efficiency to 1.75 ~ 2.2%. The auxiliary power was reduced to 45.25 kW from its initial value. These modifications reach better NPHR value even though low-quality coal is used as a source of energy.

Copyright
© 2023 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Volume Title
Proceedings of the 6th Mechanical Engineering, Science and Technology International conference (MEST 2022)
Series
Advances in Engineering Research
Publication Date
19 April 2023
ISBN
10.2991/978-94-6463-134-0_26
ISSN
2352-5401
DOI
10.2991/978-94-6463-134-0_26How to use a DOI?
Copyright
© 2023 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

risenwbib
TY  - CONF
AU  - Nedismanto
AU  - Armila
AU  - Hariyadi
AU  - Jana Hafiza
AU  - Riza Muharni
AU  - Rudi Kurniawan Arief
PY  - 2023
DA  - 2023/04/19
TI  - Turbine Blade Modification to Obtain Required NPHR Value with Low-Quality Coal Energy Source at Gorontalo Power Plant
BT  - Proceedings of the 6th Mechanical Engineering, Science and Technology International conference (MEST 2022)
PB  - Atlantis Press
SP  - 276
EP  - 282
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-134-0_26
DO  - 10.2991/978-94-6463-134-0_26
ID  - 2023
ER  -