Thermal Loading of Multi-Megawatt Medium-Voltage Power Converters Serving to Variable Speed Large Pumped Storage Units

2018 ◽  
Author(s):  
Karthik Desingu ◽  
Raghu Selvaraj ◽  
Thanga Raj Chelliah ◽  
Deepak Khare ◽  
L P Joshi
Keyword(s):  
Thermal Loading ◽  
Power Converters ◽  
Variable Speed ◽  
Medium Voltage ◽  
Pumped Storage ◽  
Storage Units

scholarly journals Modelling and control of doubly fed variable-speed pumped storage units for grid power regulation

2017 ◽  
Vol 2017 (13) ◽  
pp. 745-750 ◽  
Author(s):  
Zhao Guopeng ◽  
Zhao Qiang ◽  
Ren Jiyun ◽  
Song Xiaofang ◽  
Han Minxiao
Keyword(s):  
Variable Speed ◽  
Power Regulation ◽  
Doubly Fed ◽  
Pumped Storage ◽  
And Control ◽  
Storage Units

scholarly journals Research on variable speed operation of static frequency converter for pumped storage units

2021 ◽  
Vol 252 ◽  
pp. 02022
Author(s):  
Haoyuan Li ◽  
Guanjun Li ◽  
Bo Yang ◽  
Liantao Ji
Keyword(s):  
Storage Systems ◽  
Frequency Converter ◽  
Storage System ◽  
Input Power ◽  
Variable Speed ◽  
Storage Unit ◽  
Advantages And Disadvantages ◽  
Doubly Fed ◽  
Pumped Storage ◽  
Storage Units

Constant speed pumped storage unit is widely used, however it cannot adjust the input power when working in the electric mode, and cannot work in the best efficiency when the head of the reservoir changes greatly. Therefore, it is necessary to study and develop the variable speed pumped storage systems. This paper has studied on variable speed operation of static frequency converter for pumped storage units. Besides, development status of variable speed pumped storage system at home and abroad is investigated. Furthermore, classification and advantages and disadvantages of variable speed pumped storage system are also introduced, mainly including two typical variable speed pumped storage systems, i.e., doubly-fed variable speed system and full power variable speed system.

scholarly journals Modeling and Simulation of Mechanical and Electrical Transient of Variable-Speed Pumped Storage Units

2021 ◽  
Vol 634 (1) ◽  
pp. 012053
Author(s):  
Huan Xie ◽  
Lili Liu ◽  
Shanying Li ◽  
Hao Liang ◽  
Qibang Tan ◽  
...  
Keyword(s):  
Modeling And Simulation ◽  
Variable Speed ◽  
Pumped Storage ◽  
Storage Units

Analysis and Optimization of Modulation Transitions in Medium Voltage High Power Converters

2021 ◽  
pp. 1-1
Author(s):  
Hector Fernandez-Rebolleda ◽  
Alain Sanchez-Ruiz ◽  
Salvador Ceballos ◽  
Angel Perez-Basante ◽  
Juan Jose Valera Garcia ◽  
...  
Keyword(s):  
High Power ◽  
Power Converters ◽  
Medium Voltage
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