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Stamford Avr

General Description / Specifications

Half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator.

In addition to regulating the generator voltage, the AVR circuitry includes under-speed and sensing loss protection features. Excitation power is derived directly from the generator terminals. Positive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR.The AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +/- 1.5%.

In addition to being powered from the main stator, the AVR also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power factor of the generator.

A frequency measuring circuit continually monitors the generator output and provides output under-speed protection of the excitation system, by reducing the output voltage proportionally with speed below a pre-settable threshold. A manual adjustment is provided for factory setting of the under frequency roll off point, (UFRO).This can easily be changed to 50 or 60 Hz in the field by pushon link selection.Provision is made for the connection of a remote voltage trimmer, allowing the user fine control of the generator's output.


Stamford Generator Parts

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Approx. Rs 6,800 / UnitGet Latest Price

Product Details:
Minimum Order Quantity1 Unit
Phase Three Phase
ConditionNew
Fuel TypeDiesel
Colour Black
Output Type Variable

STAMFORD AUTOMATIC REGULATOR General Description / Specifications

 

Half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator.

In addition to regulating the generator voltage, the AVR circuitry includes under-speed and sensing loss protection features. Excitation power is derived directly from the generator terminals. Positive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR.The AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +/- 1.5%.

In addition to being powered from the main stator, the AVR also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power factor of the generator.

A frequency measuring circuit continually monitors the generator output and provides output under-speed protection of the excitation system, by reducing the output voltage proportionally with speed below a pre-settable threshold. A manual adjustment is provided for factory setting of the under frequency roll off point, (UFRO).This can easily be changed to 50 or 60 Hz in the field by pushon link selection.Provision is made for the connection of a remote voltage trimmer, allowing the user fine control of the generator's output.

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AS440 AVR Original

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Approx. Rs 6,800 / NumberGet Latest Price

Product Details:
Minimum Order Quantity1 Number
PowerAC
Output Voltage415
Input Voltage25
ConditionNew
Colour Black
Output Type Variable
WarrantyONE YEAR
Model NumberAS440
BrandSTAMFORD

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Sx440 avr

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Sx440 avr
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Approx. Rs 4,500 / UnitGet Latest Price

Product Details:
Minimum Order Quantity1 Unit
Phase Three Phase
ConditionNew
Output Type Variable
Colour Black

General Description / Specifications

 

The SX440 positive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR. The AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +/- 1.0%.

In addition to being powered from the main stator, the AVR also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power
factor of the generator.

General Characteristics��

> Potential Divider and Rectifier
> Sensing Loss Detector
> DC Mixer
> Amp
> Stability Circuit
> Low Hz Detector
> Synchronising circuit
> Low Pass Filter
> Power Control Devices
> Suppression
> Power Supply

Standard Applications

Stamford Alternator UC22, UC27, HC4, HC5


Additional Information:

  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),D/P,D/A,Other
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    Stamford sx460

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    Approx. Rs 3,000 / UnitGet Latest Price

    Product Details:
    Minimum Order Quantity1 Unit
    Phase Three Phase
    ConditionNew
    Output Type Variable
    Colour Black

     

    General Description / Specifications

     

    SX460 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator.

    In addition to regulating the generator voltage, the AVR circuitry includes under-speed and sensing loss protection features. Excitation power is derived directly from the generator terminals. Positive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR.The AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +/- 1.5%.

    In addition to being powered from the main stator, the AVR also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power factor of the generator.

    A frequency measuring circuit continually monitors the generator output and provides output under-speed protection of the excitation system, by reducing the output voltage proportionally with speed below a pre-settable threshold. A manual adjustment is provided for factory setting of the under frequency roll off point, (UFRO).This can easily be changed to 50 or 60 Hz in the field by pushon link selection. Provision is made for the connection of a remote voltage trimmer, allowing the user fine control of the generator''s output.

    General Characteristics��

    INPUT

    ��� > Voltage Jumper selectable 95-132V ac or 190-264V ac
    ��� > Frequency 50-60 Hz nominal
    ��� > Phase 1

    OUTPUT

    ��� > Voltage max 90V dc at 207V ac input
    ��� > Current continuous 4 A dc Intermittent 6 A for 10 secs
    ��� > Resistance 15 ohms minimum

    REGULATION
    ��� > +/- 1.5%

    THERMAL DRIFT

    ��� > 0.05% per deg. C change in AVR ambient

    TYPICAL SYSTEM RESPONSE

    ��� > AVR response 20 ms
    ��� > Filed current to 90% 80 ms
    ��� > Machine Volts to 97% 300 ms

    EXTERNAL VOLTAGE ADJUSTMENT

    ��� > +/-10% with 1 k ohm 1 watt trimmer

    UNDER FREQUENCY PROTECTION

    ��� > Set point 95% Hz
    ��� > Slope 170% down to 30 Hz

    UNIT POWER DISSIPATION

    ��� > 10 watts maximum

    BUILD UP VOLTAGE

    ��� > 4 Volts @ AVR terminals

    ENVIRONMENTAL

    ��� > Vibration 20-100 Hz 50mm/sec
    ��� > 100Hz � 2kHz 3.3g
    ��� > Operating temperature -40 to +70�C
    ��� > Relative Humidity 0-70�C 95% (see note 5)
    ��� > Storage temperature -55 to +80�C

    NOTES
    1. With 4% engine governing
    2. After 10 minutes.
    3. Applies to Mod status F onwards. Generator de-rate may apply. Check with factory.
    4. Factory set, semi-sealed, jumper selectable
    5. Non condensing.

    Standard Applications

    Stamford Alternator BC16, BC18, UC22,�UC27

    InGENERAL POWERwe�understand�the urgency of your�requirements for emergency and back up generators, and we have committed by establishing automatic voltage regulator stock of 500+ units in Miami Florida generator stock of 300+ units in Miami Florida currently serving:

  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),D/P,D/A,Other
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    AVR Sx460 Card

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    Approx. Rs 3,000 / UnitGet Latest Price

    Product Details:
    Minimum Order Quantity1 Unit
    Phase Three Phase
    Output Type Variable
    Colour Black
    Frequency (Hertz)50 TO60
    Model NumberSX460
    ConditionNew

    General Description / Specifications

     

    SX440 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator.

    In addition to regulating the generator voltage, the AVR circuitry includes under-speed and sensing loss protection features. Excitation power is derived directly from the generator terminals. Positive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR.The AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +/- 1.5%.

    In addition to being powered from the main stator, the AVR also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power factor of the generator.

    A frequency measuring circuit continually monitors the generator output and provides output under-speed protection of the excitation system, by reducing the output voltage proportionally with speed below a pre-settable threshold. A manual adjustment is provided for factory setting of the under frequency roll off point, (UFRO).This can easily be changed to 50 or 60 Hz in the field by pushon link selection. Provision is made for the connection of a remote voltage trimmer, allowing the user fine control of the generator's output.

    General Characteristics��

    INPUT

    ��� > Voltage Jumper selectable 95-132V ac or 190-264V ac
    ��� > Frequency 50-60 Hz nominal
    ��� > Phase 1

    OUTPUT

    ��� > Voltage max 90V dc at 207V ac input
    ��� > Current continuous 4 A dc Intermittent 6 A for 10 secs
    ��� > Resistance 15 ohms minimum

    REGULATION
    ��� > +/- 1.5%

    THERMAL DRIFT

    ��� > 0.05% per deg. C change in AVR ambient

    TYPICAL SYSTEM RESPONSE

    ��� > AVR response 20 ms
    ��� > Filed current to 90% 80 ms
    ��� > Machine Volts to 97% 300 ms

    EXTERNAL VOLTAGE ADJUSTMENT

    ��� > +/-10% with 1 k ohm 1 watt trimmer

    UNDER FREQUENCY PROTECTION

    ��� > Set point 95% Hz
    ��� > Slope 170% down to 30 Hz

    UNIT POWER DISSIPATION

    ��� > 10 watts maximum

    BUILD UP VOLTAGE

    ��� > 4 Volts @ AVR terminals

    ENVIRONMENTAL

    ��� > Vibration 20-100 Hz 50mm/sec
    ��� > 100Hz � 2kHz 3.3g
    ��� > Operating temperature -40 to +70�C
    ��� > Relative Humidity 0-70�C 95% (see note 5)
    ��� > Storage temperature -55 to +80�C

    NOTES
    1. With 4% engine governing
    2. After 10 minutes.
    3. Applies to Mod status F onwards. Generator de-rate may apply. Check with factory.
    4. Factory set, semi-sealed, jumper selectable
    5. Non condensing.

    Standard Applications

    Stamford Alternator BC16, BC18, UC22,�UC27

    InGENERAL POWERwe�understand�the urgency of your�requirements for emergency and back up generators, and we have committed by establishing automatic voltage regulator stock of 500+ units in Miami Florida generator stock of 300+ units in Miami Florida currently serving:

  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),D/P,D/A,Other
  • Yes! I am Interested

    Sx460 AVR Unit

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    Sx460 AVR Unit
    • Sx460 AVR Unit
    • Sx460 AVR Unit
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    Approx. Rs 3,000 / UnitGet Latest Price

    Product Details:
    Minimum Order Quantity1 Unit
    PowerALL
    Phase Three Phase
    ConditionNew

     

    General Description / Specifications

    SX460 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator.
    In addition to regulating the generator voltage, the AVR circuitry includes under-speed and sensing loss protection features. Excitation power is derived directly from the generator terminals. Positive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR.The AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +/- 1.5%.
    In addition to being powered from the main stator, the AVR also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power factor of the generator.
    A frequency measuring circuit continually monitors the generator output and provides output under-speed protection of the excitation system, by reducing the output voltage proportionally with speed below a pre-settable threshold. A manual adjustment is provided for factory setting of the under frequency roll off point, (UFRO).This can easily be changed to 50 or 60 Hz in the field by pushon link selection. Provision is made for the connection of a remote voltage trimmer, allowing the user fine control of the generator''s output.
    General Characteristics��
    INPUT
    ��� > Voltage Jumper selectable 95-132V ac or 190-264V ac
    ��� > Frequency 50-60 Hz nominal
    ��� > Phase 1
    OUTPUT
    ��� > Voltage max 90V dc at 207V ac input
    ��� > Current continuous 4 A dc Intermittent 6 A for 10 secs
    ��� > Resistance 15 ohms minimum
    REGULATION
    ��� > +/- 1.5%
    THERMAL DRIFT
    ��� > 0.05% per deg. C change in AVR ambient
    TYPICAL SYSTEM RESPONSE
    ��� > AVR response 20 ms
    ��� > Filed current to 90% 80 ms
    ��� > Machine Volts to 97% 300 ms
    EXTERNAL VOLTAGE ADJUSTMENT
    ��� > +/-10% with 1 k ohm 1 watt trimmer
    UNDER FREQUENCY PROTECTION
    ��� > Set point 95% Hz
    ��� > Slope 170% down to 30 Hz
    UNIT POWER DISSIPATION
    ��� > 10 watts maximum
    BUILD UP VOLTAGE
    ��� > 4 Volts @ AVR terminals
    ENVIRONMENTAL
    ��� > Vibration 20-100 Hz 50mm/sec
    ��� > 100Hz � 2kHz 3.3g
    ��� > Operating temperature -40 to +70�C
    ��� > Relative Humidity 0-70�C 95% (see note 5)
    ��� > Storage temperature -55 to +80�C
    NOTES
    1. With 4% engine governing
    2. After 10 minutes.
    3. Applies to Mod status F onwards. Generator de-rate may apply. Check with factory.
    4. Factory set, semi-sealed, jumper selectable
    5. Non condensing.
    Standard Applications
    Stamford Alternator BC16, BC18, UC22,�UC27
    InGENERAL POWERwe�understand�the urgency of your�requirements for emergency and back up generators, and we have committed by establishing automatic voltage regulator stock of 500+ units in Miami Florida generator stock of 300+ units in Miami Florida currently serving


    Additional Information:

  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),D/P,D/A,Other
  • Yes! I am Interested

    Stamford Generator

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    • Stamford Generator
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    Approx. Rs 3,800 / UnitGet Latest Price

    Product Details:
    Minimum Order Quantity1 Unit
    ConditionNew
    Automation GradeAutomatic

     


    General Description / Specifications

     

    Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator.

    In addition to regulating the generator voltage, the AVR circuitry includes under-speed and sensing loss protection features. Excitation power is derived directly from the generator terminals. Positive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR.The AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +/- 1.5%.

    In addition to being powered from the main stator, the AVR also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power factor of the generator.

    A frequency measuring circuit continually monitors the generator output and provides output under-speed protection of the excitation system, by reducing the output voltage proportionally with speed below a pre-settable threshold. A manual adjustment is provided for factory setting of the under frequency roll off point, (UFRO).This can easily be changed to 50 or 60 Hz in the field by pushon link selection. Provision is made for the connection of a remote voltage trimmer, allowing the user fine control of the generator's output.

    General Characteristics��

    INPUT

    ��� > Voltage Jumper selectable 95-132V ac or 190-264V ac
    ��� > Frequency 50-60 Hz nominal
    ��� > Phase 1

    OUTPUT

    ��� > Voltage max 90V dc at 207V ac input
    ��� > Current continuous 4 A dc Intermittent 6 A for 10 secs
    ��� > Resistance 15 ohms minimum

    REGULATION
    ��� > +/- 1.5%

    THERMAL DRIFT

    ��� > 0.05% per deg. C change in AVR ambient

    TYPICAL SYSTEM RESPONSE

    ��� > AVR response 20 ms
    ��� > Filed current to 90% 80 ms
    ��� > Machine Volts to 97% 300 ms

    EXTERNAL VOLTAGE ADJUSTMENT

    ��� > +/-10% with 1 k ohm 1 watt trimmer

    UNDER FREQUENCY PROTECTION

    ��� > Set point 95% Hz
    ��� > Slope 170% down to 30 Hz

    UNIT POWER DISSIPATION

    ��� > 10 watts maximum

    BUILD UP VOLTAGE

    ��� > 4 Volts @ AVR terminals

    ENVIRONMENTAL

    ��� > Vibration 20-100 Hz 50mm/sec
    ��� > 100Hz � 2kHz 3.3g
    ��� > Operating temperature -40 to +70�C
    ��� > Relative Humidity 0-70�C 95% (see note 5)
    ��� > Storage temperature -55 to +80�C

    NOTES
    1. With 4% engine governing
    2. After 10 minutes.
    3. Applies to Mod status F onwards. Generator de-rate may apply. Check with factory.
    4. Factory set, semi-sealed, jumper selectable
    5. Non condensing.

    Standard Applications

    Stamford Alternator BC16, BC18, UC22,�UC27

    InGENERAL POWERwe�understand�the urgency of your�requirements for emergency and back up generators, and we have committed by establishing automatic voltage regulator stock of 500+ units in Miami Florida generator stock of 300+ units in Miami Florida currently serving:

  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),D/P,D/A,Other
  • Yes! I am Interested

    Sx460 AVR

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    Sx460 AVR
    • Sx460 AVR
    • Sx460 AVR
    Get Best Quote

    Thanks for Contacting Us.

    Approx. Rs 3,000 / UnitGet Latest Price

    Product Details:
    Minimum Order Quantity1 Unit
    Phase Three Phase

    STAMFORD AUTOMATIC REGULATORGeneral Description / Specifications

     

    Half-wave phase-controlled thyristor type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator.

    In addition to regulating the generator voltage, the AVR circuitry includes under-speed and sensing loss protection features. Excitation power is derived directly from the generator terminals. Positive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR.The AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +/- 1.5%.

    In addition to being powered from the main stator, the AVR also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power factor of the generator.

    A frequency measuring circuit continually monitors the generator output and provides output under-speed protection of the excitation system, by reducing the output voltage proportionally with speed below a pre-settable threshold. A manual adjustment is provided for factory setting of the under frequency roll off point, (UFRO).This can easily be changed to 50 or 60 Hz in the field by pushon link selection.Provision is made for the connection of a remote voltage trimmer, allowing the user fine control of the generator's output.


    Additional Information:

  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),D/P,D/A,Other
  • Yes! I am Interested

    Avr sx440

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    Avr sx440
    Get Best Quote

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    Approx. Rs 4,500 / NumberGet Latest Price

    Product Details:
    Minimum Order Quantity1 Number
    Type Automatic
    Phase Three Phase
    ConditionNew

    Product Details:
    Minimum Order Quantity1 Unit
    ColourBlack
    ConditionNew
    Output TypeVariable
    PhaseThree Phase

    General Description / Specifications

     

    The SX440 positive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR. The AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +/- 1.0%.

    In addition to being powered from the main stator, the AVR also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power
    factor of the generator.

    General Characteristics��

    > Potential Divider and Rectifier
    > Sensing Loss Detector
    > DC Mixer
    > Amp
    > Stability Circuit
    > Low Hz Detector
    > Synchronising circuit
    > Low Pass Filter
    > Power Control Devices
    > Suppression
    > Power Supply

    Standard Applications

    Stamford Alternator UC22, UC27, HC4, HC5


    Additional Information:

  • Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),D/P,D/A,Other
  • Yes! I am Interested

     
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