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Improving Overall Performance of Propeller-Type Hydroturbines with the Use of Variable Rotational Speed

Ivanchenko, I. P. / Kostruba, A. B. / Topazh, G. I.

Reconstruction of axial hydroturbines by installing propeller-type blade runners with variable rotational speed is examined. The calculation methodology for energy indicators of such turbines according to their Hill chart is presented. The effectiveness of transferring hydroturbines to operation with variable rotational speed is shown, using the example of the Cheboksary HPP. In this case, power generation increased by 16% using the same volume of water passing through the turbines. At the same time, the turbine adjustment range widens in comparison with the traditional propeller-type units operating at constant rotational speed.

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Improving Overall Performance of Propeller-Type Hydroturbines with the Use of Variable Rotational Speed

Ivanchenko, I. P. / Kostruba, A. B. / Topazh, G. I.

Reconstruction of axial hydroturbines by installing propeller-type blade runners with variable rotational speed is examined. The calculation methodology for energy indicators of such turbines according to their Hill chart is presented. The effectiveness of transferring hydroturbines to operation with variable rotational speed is shown, using the example of the Cheboksary HPP. In this case, power generation increased by 16% using the same volume of water passing through the turbines. At the same time, the turbine adjustment range widens in comparison with the traditional propeller-type units operating at constant rotational speed.

Improving Overall Performance of Propeller-Type Hydroturbines with the Use of Variable Rotational Speed

Ivanchenko, I. P. / Kostruba, A. B. / Topazh, G. I.

Reconstruction of axial hydroturbines by installing propeller-type blade runners with variable rotational speed is examined. The calculation methodology for energy indicators of such turbines according to their Hill chart is presented. The effectiveness of transferring hydroturbines to operation with variable rotational speed is shown, using the example of the Cheboksary HPP. In this case, power generation increased by 16% using the same volume of water passing through the turbines. At the same time, the turbine adjustment range widens in comparison with the traditional propeller-type units operating at constant rotational speed.

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Title:

Improving Overall Performance of Propeller-Type Hydroturbines with the Use of Variable Rotational Speed

Contributors:

Ivanchenko, I. P. (author) / Kostruba, A. B. (author) / Topazh, G. I. (author)

Published in:

Power Technology and Engineering ; 52

Publication date:

2018

ISSN:

DOI:

https://doi.org/10.1007/s10749-018-0920-6

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

hydroturbine , variable rotational speed , blade runner , power generation , calculation methodology , energy indicators

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