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dear mintjulep and berkshire we are not just adding compressors to the system. When a compressor's winding got burnt we just changed the take it out and purge the other remaining system with high pressure of nitrogen. So hard that all the refrigerant and compressor oil in the system gets out...

hi all! we are facing a huge problem. We have mc quary make water based chiller system for cooling our control room and other halls. the problem is that we have refubrished the whole system. Only condersnors ( forced air - cooled) and frame left original. All other we install by our own. We...

dear waross thanks. But i wonder that as the exciter stator has two permenant magnets on it, so if i connect it in wrong direction, then I might be get those permenant magnets damaged. So, is there any other method?? because what you have told me is a little risky. Thanks

I would suggest that you people should have excitation system monitoring on your generator. which will comprise on dc voltmeter showing output dc voltage of avr (input to exciter stator) and current (to the exciter stator). If you have not installed them, get them installed first. But if you...

Hi all! I have a 1 MW generator, from exciter stator i have two wires coming out for connection on AVR for supply of controlled(through AVR) dc supply for production of exciter rotor's voltage. The problem is that both leads are of yellow colour and are identical means no mention on which wire...