End Suction Centrifugal Pump Operating in Turbine Mode for Microhydro Applications
This paper reviews the current research works on the end suction centrifugal pump coupled with induction generator running in turbinemode for microhydro application.The information can be used by practicing engineers, researchers, and plantmanagers to understand the potential of pump running as tu...
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| Main Authors: | , , , |
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| Format: | E-Article |
| Language: | English |
| Published: |
Hindawi Publishing Corporation
2014
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| Subjects: | |
| Online Access: | http://ir.unimas.my/id/eprint/16306/1/End%20Suction%20Centrifugal%20Pump%20Operating%20in%20Turbine%20Mode%28abstract%29.pdf http://ir.unimas.my/id/eprint/16306/ http://journals.sagepub.com/doi/full/10.1155/2014/139868 http://dx.doi.org/10.1155/2014/139868 |
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| Summary: | This paper reviews the current research works on the end suction centrifugal pump coupled with induction generator running in
turbinemode for microhydro application.The information can be used by practicing engineers, researchers, and plantmanagers to
understand the potential of pump running as turbine. Review on experimental and simulation works was carried out encompassing
end suction single stage low specific speed which is less than 10 kW. This is followed by review of their efficiency improvement
through modifications. The results show that centrifugal pump can operate in turbine modes without any modification on
mechanical components. However, to achieve the best efficiency point (BEP), it requires higher flow rate and head than pumping
rating. Efficiency improvement is viable through geometric modification to improve hydraulic characteristic. The studies also show
that pump as turbine (PAT) can be directly coupled with modified induction motor as generator by adding capacitor and electric
control system, regulating voltage and frequency at the output terminal. It was found that PAT offers the best low cost solution for
microhydro application especially for third world countries that do not have local microhydro manufacturer. |
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