Can I use AC Driver instead of Hydrolic Speed governor in mikro HPP ?
For Example I have a MHPP in 500kW. I want a flexible and cheap speed governor system and can be use compact with turbine.
What is your advice?
Can I connect AC diver to Generator and then connect to grid?
If I can use that,is there so much power loss?
Recently I read about such product - ABB Hydropack.
It promotes regenerative drives ACS880-11/17 and power range is 4 to 5600 kW / 0.4 - 0,69 kV (as per drive's power range).
Better total efficiency - with PM generator (permanent magnet).
Also there are presented a few real installations, with payback period about 4 years.
From my knowledge the losses in the drive are about 2-3%, but that are not the only losses in complete installation (trafo, generator etc).