Lineup
Generator
Hydrogen-cooled Generators
Mitsubishi Electric hydrogen-cooled generators are highly efficient and cover the widest output range, up to 900MVA. The compact frame size is ideal for rail transportation.
Note: Power-generator business was transferred to Mitsubishi Generator Co., Ltd on April 1, 2024. Click here for details.
![](/eig/energysystems/products/pg/generator/image/bg02.jpg)
Specifications
Output | ~900MVA class |
---|---|
Voltage | ~25kV |
Thermal insulation class | Class 155 (F) |
Temperature rise | Class 130 (B) |
Rotational speed | 3,000min-1/ 3,600min-1 |
Frequency | 50Hz / 60Hz |
Efficiency | ~99.0% |
System configuration
![](/eig/energysystems/products/pg/images/1-2-01.png)
Cooling Structure
![](/eig/energysystems/products/pg/images/1-2-02.png)
Latest Technologies
Higher efficient VP-X Series turbine generators
Utilizing technologies that improve generator cooling, raise efficiency even higher and enable
a smaller, more compact design, the world largest output 870MVA generator has achieved
world-leading high efficiency of 99%.
*As of December 8, 2014, based on in-house research.
Typical specifications of generator developed
Maximum output | 870MVA |
---|---|
Power factor | 0.90 |
Rotational speed | 3,600min-1/60Hz |
Efficiency | 99% |
Cooling system | Hydrogen |
![](/eig/energysystems/products/pg/images/1-2-03.jpg)
Compact frame design
Smaller generator diameter realized using compact gas cooler
![](/eig/energysystems/products/pg/images/1-2-04.png)
High-performance gas cooler
Fin shape changed to reduce size
![](/eig/energysystems/products/pg/images/1-2-05.png)
High-efficiency fan
Fan efficiency improved, realizing higher pressure and larger airflow capacity Stator and rotor cooling performance improved
![](/eig/energysystems/products/pg/images/1-2-06.png)
Electromagnetic 3D FEM analysis
Optimized design by utilizing 3D FEM analysis for evaluation of electrical loss and electromagnetic force, etc.
![](/eig/energysystems/products/pg/images/1-2-07.png)