Power Drive Systems

Automatic Voltage Regulators

Stamford SX460 Automatic Voltage Regulator - ST E000-24602     

The SX460 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes underspeed and sensing loss protection to ensure safe, reliable control of the generator. This model supercedes the Series 6 range.

Features include: *Stability adjustment  *Under frequency roll off adjustment      RRP  $385, Trade Price is Less.   Also have E000-24602 suit Stamford for AU$242

Click here for technical manual (PDF 86K)

Stamford MX341 Automatic Voltage Regulator - ST E000-23412     

The MX341 is a two phase sensed Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes protective features to ensure safe reliable control of the generator. This model supercedes the Series 3 range (same footprint & wiring 1 extra terminal) This AVR is used only in cojunction with permenant magnetic type alternators.

Features include:

*Stability adjustment                                     *Optimum response selection
*Under frequency roll off adjustment                *Dip adjustment
*Droop adjustment                                        *Trim adjustment
*Over excitation adjustment 

  RRP  $660, Trade Price is Less.   Also have the  E000-23412 suit Stamford for AU$395    

Click here for technical manual (PDF 91K)

Stamford MX321 Automatic Voltage Regulator - ST E000-23212     

The MX321 is a three phase, thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes protective features to ensure safe reliable control of the generator.This AVR is used only in cojunction with permenant magnetic type alternators.

RRP  $1140  Trade Price is Less.    Also have E000-23212 suit Stamford for AU$545

Features include:

*Stability selection & adjustment           *Under frequency roll off adjustment
*Dip adjustment                                 *Dwell adjustment
*Droop adjustment                              *Trim adjustment
*Over excitation adjustment                 *Over voltage adjustment
*Current limit adjustment                     *Ramp adjustment    

Click here for technical manual (PDF 108K)

Stamford SX440 Automatic Voltage Regulator - ST E000-24030     

[No longer manufactured by Stamford. It is replaced by the AS440 + kit.]                        However we do have the E000-24030 SX440  suit Stamford for AU$375 

The SX440 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes underspeed and sensing loss protection to ensure safe, reliable control of the generator. This model supercedes the Series 4 (p/n 350-28700) range.

Features include:

*Stability adjustment                                     *Optimum response selection
*Under frequency roll off adjustment                *Droop adjustment
*Trim adjustment   

    

Click here for technical manual (PDF 91K)

                       

Stamford Stamford AS440 Automatic Voltage Regulator - E000-24403/1P     

 The AS440  ( + Kit replaces SX440 ; SA465) is a half-wave phase-controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes underspeed and sensing loss protection to ensure safe, reliable control of the generator.

Features include:
*Stability adjustment                       *Optimum response selection
*Under frequency roll off adjustment   *Droop adjustment
*Trim adjustment   

RRP  $660, Trade Price is Less.

Click here for technical manual (PDF 91K)

Stamford SX421 Automatic Voltage Regulator - ST E000-24210     

The SX421 is a three phase sensed Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes a number of protective features.

Features include:

*Stability selection & adjustment                     *Frequency selection
*Under frequency roll off adjustment                *Dip adjustment
*Droop adjustment                                        *Trim adjustment
*Over voltage adjustment                              *Voltage Regulation +-.5%

Click here for technical manual (PDF 97K)

Stamford Stamford SA465 Voltage Regulator - ST E000-24650     

No longer manufactured. It is replaced by the AS440 + kit.

The SA465 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator.
In addition to regulating the generator voltage, the AVR circuitry includes underspeed and sensing loss protection to ensure safe, reliable control of the generator. Used in place of the SX460 when parrelleling features are required.

Features include:
*Stability adjustment  *Voltage Regulation +/- 1%       *Under frequency roll off adjustment *Droop Adjustment *Biasing input

Click here for technical manual (PDF 92K)

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