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Design and dynamic response characteristics of 400 MW adjustable speed pumped storage unit for Ohkawachi Power Station

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5 Author(s)
Kuwabara, T. ; Hitachi Ltd., Tokyo, Japan ; Shibuya, A. ; Furuta, H. ; Kita, E.
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At 400 MW, the world's largest adjustable speed pumped storage unit for Ohkawachi Power Station, the Kansai Electric Power Co., Inc., Japan, was commissioned on Dec. 3, 1993. It can change power in steps of at least 32 MW in the generate mode and at least 80 MW in the pump mode, within 0.2 s. This paper describes principal design considerations for the control systems of the machine and presents actual performance of the machine with reference to some typical oscillograph charts

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Energy Conversion, IEEE Transactions on  (Volume:11 ,  Issue: 2 )