The repair dimension of diesel generator set cylinder is generally divided into six levels, which is based on the standard dimension of cylinder diameter.
Compared with the traditional electric excitation synchronous generator, the permanent magnet synchronous generator has the following advantages.
The rotor is mechanically unbalanced. The main reason is that the dynamic balance is not calibrated or the accuracy of dynamic balance does not meet the requirements.
The power range of a single modular unit is from 30 to 2000 kW, and the voltage range is from 0.4 kV to 10.5 kV according to the current situation of the nuclear power plant.
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