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  1. electricray

    protect the generator from power grid

    Hi, Siemens have a good protection relay Siprotec 7UM62 but there are a lot more. GE Multilin 789 is also a good and easy one. Futher there are relays from ABB and Beckwith. And i can recommend you also a Rotor Earth Fault relay these things ar not so expensive and are easy and handfull.
  2. electricray

    3 phase motor test and overhaul

    Hi fish22 If you have the equipment to overhaule and test these pumps you could do this. But it's always good to let look a specialist to it. But it's very cool to do. Disconnect everything, clean, put everything back and then make some characteristics and test runs. Good luck Ray

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