Part number ALT050KB002 Leroy Somer bearing kit used on 1 or 2 bearing generators. The bearings need to be replaced at 30,000 hours in order to guarantee overall generator operations.
Kit includes:
Preloading (wavy) washer Part number: RLT230RB001
O-Ring Part number: ALT050LJ001
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The MX321-2 automatic voltage regulator is used on larger Stamford generator alternator ends. Ā These units are installed as a standard from factory on alternator ends HC6 and P7 stamford frames. This regulator allows 3 phase sensing which is constantly sensing the voltages across all 3 lines vs just 2 lines like on other standard AVRs. As an added benefit the regulator enables quadrature droop input, this enables the chance for multiple synchronizing across many generator sets.
The MX342-2 AVR is a key model which resembles a lot of the same functions of the MX341-2 however, this model contains a switch which allows you to choose which power rating (KW) you are currently using the regulator in and will adjust accordingly. Ā Some additional AVRĀ calibrations may be needed. Ā When presented to industrial experts for technical evaluations they advised that there should be a way to control stator current. Stamford went ahead and added a current limit feature which helps the engine recover from starting large compressors and motors.
This regulator needs to be used with a permanent magnet generator (PMG)
