Dynamic response and governor tuning of a long penstock pumped-storage hydropower plant equipped with a pump-turbine and a doubly fed induction generator

Moreno, José Ignacio; Pérez‐Díaz, Juan I.; Wilhelmi, J.R.; Sánchez-Fernández, José Ángel

doi:10.1016/j.enconman.2015.09.030

Cited by 79 publications

(32 citation statements)

References 37 publications

(65 reference statements)

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“…Conventionally, these controllers were designed based on linear approximations of the elastic dynamics of the water and structural elements. Improvements based on H ∞ robust synthesis [336] or by deciding PI tuning based on the detailed nonlinear process model have also been reported [337].…”

Section: Hydropowermentioning

confidence: 98%

Sustainability and process control: A survey and perspective

Daoutidis

Zachar

Jogwar

2016

Journal of Process Control

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Section: Hydropowermentioning

confidence: 98%

Sustainability and process control: A survey and perspective

Daoutidis

Zachar

Jogwar

2016

Journal of Process Control

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“…[53][54][55][56][57][58][59][60][61][62] (3) Stability and instability of turbine, Refs. [45][46][47][48] Combined operating conditions, Refs. [63,64] (4) Hydraulic transient simulation, Refs.…”

Section: Work Of the Authors' Research Team Work Of Others Around Thementioning

confidence: 99%

“…Ruud [47] studied the instability of a hydraulic turbine with a very long penstock. Sarasúa et al [48] studied the dynamic response and governor tuning of a long penstock pumped-storage hydropower plant. Zhang et al [49] and Wu et al [50] studied the hydraulic transient simulation in a hydropower station with a long water diversion tunnel.…”

Section: Introductionmentioning

confidence: 99%

A Review of the Transient Process and Control for a Hydropower Station with a Super Long Headrace Tunnel

Guo

Zhu

2018

Energies

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The hydropower station with a super long headrace tunnel is a significant development type for hydropower energy. By constructing a super long headrace tunnel, the huge natural water fall head can be utilized to generate more electricity. With the development of hydropower energy, a hydropower station with a super long headrace tunnel becomes more and more competitive. Compared with a hydropower station with a short headrace tunnel, the transient process and control for a hydropower station with a super long headrace tunnel is much more complicated and becomes an intractable challenge. It is well known that the transient process and control is the basis of the design and operation of a hydropower station. To overcome the challenge of the transient process and control, much research has been carried out. This paper provides a systematic review on the latest research progress of the transient process and control for hydropower stations with a super long headrace tunnel. Firstly, two key issues for the transient process and control, i.e., hydraulic design optimization of the surge tank and operation control of unit, are illuminated. Secondly, for both single surge tanks and surge tanks with special types or combinations, the hydraulic design optimization methods are described. The most disadvantageous design and advantageous operation of surge tanks under combined operating conditions are discussed. Thirdly, the stability and regulation quality of the hydro-turbine governing system under isolated and grid-connected operation conditions are presented. Finally, some trends and recommendations for future research directions are made. A research thought for establishing the complete theory and application system of the transient process and control for hydropower stations with a super long headrace tunnel from the perspective of multi-slice and multi-scale is proposed.

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“…The third-order and the first-order differential equations of the generator have little impact on the analysis of its stability [18][19][20]. Therefore, this paper uses the first-order differential equation of the generator which is described as…”

Section: Generator Modelmentioning

confidence: 99%

Dynamic modeling and dynamical analysis of pump-turbines in S-shaped regions during runaway operation

Zhang

Chen

et al. 2017

Energy Conversion and Management

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There is a region of pump-turbine operation, often called the S-shaped region, in which one unit rotational speed corresponds to three unit flows or torques. In this paper, the dynamic model of the pump-turbine in S-shaped regions is established by introducing the nonlinear piecewise function of relative parameters. Then, the global bifurcation diagrams of the pump-turbine are presented to analyze its dynamic characteristics in the S-shaped regions. Meanwhile, a stability criterion of runaway point is given based on the established theoretical model. The numerical experiments are conducted on the model and the results are in good agreement with

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Dynamic response and governor tuning of a long penstock pumped-storage hydropower plant equipped with a pump-turbine and a doubly fed induction generator

Cited by 79 publications

References 37 publications

Sustainability and process control: A survey and perspective

Sustainability and process control: A survey and perspective

A Review of the Transient Process and Control for a Hydropower Station with a Super Long Headrace Tunnel

Dynamic modeling and dynamical analysis of pump-turbines in S-shaped regions during runaway operation

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