GENERAL
The ED35 automatic voltage regulator AVR
*COMPATIBLEĀ WITH:
*All manufacturer names, numbers, symbols and descriptions are used for reference purpose only and do not imply that any part is the product of these manufacturer.
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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)
The Stamford Newage SX421 is used in critical power generation applications where load is unstable and a superior AVR is needed. Much similar to Stamford’s MX321Ā voltage regulator, the SX421 supports a larger resistance to heat exposure due to its high rated encapsulated material thatĀ prevent the automatic voltage regulator’s internal components from heat. Ā You have the option to use in 50 or 60 hz operation from below 40kw to above 550 kw generator sets.
MX341-2 regulator is one of the 2 “MX” series used in the Stamford line of automatic voltage regulators. Ā Cummins Stamford has depended on this AVR board over the years to assist in critical applications where voltage regulation and stability is key.
This regulator needs to be used with a permanent magnet generator (PMG)
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.
