Table 8 Coefficients in cost correlation for electromechanical equipment with different types (Kishore et al., 2021)
From: Design models for small run-of-river hydropower plants: a review
No. | Type of equipment | Coefficients in cost correlation | |||
|---|---|---|---|---|---|
\({a}_{1}\) | \({x}_{1}\) | \({x}_{2}\) | |||
1 | Turbine with governing system (TG) | Pelton | 117,313 | − 0.03 | − 0.39 |
Turgot impulse | 145,121 | − 0.12 | − 0.24 | ||
Francis | 125,354 | − 0.01 | − 0.38 | ||
2 | Generator with excitation system or capacitor bank (GE) | Induction | 130,262 | − 0.19 | − 0.22 |
Synchronous | 143,660 | − 0.18 | − 0.21 | ||
3 | Auxiliaries | 21,846 | − 0.19 | − 0.22 | |
4 | Transformer | 221 | 0.11 | 0.01 | |
5 | Switchyard | 1.82 | 0.17 | 0.93 | |