Collection: Choose AVR at WDPART

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Choose AVR at WDPART
An automatic voltage regulator (AVR) is a device used in generators with the purpose of automatically regulating voltage.

We offer AVR parts with OEM quality and widen usage. We offer replacement 
AVR parts used for Honda, Leroy Somer, Generator Gensets and so on.

Application:Marathon and stamford alternator,FG Wilson genset with Perkins engine,Leroy Somer Generator,Caterpillar CAT engine,Kutai,Denyo 45ESI 150SPM 150ESK Genset Generator......

What are the signs of a faulty AVR in a generator?
1 - Unstable generator engine speed.
2 - Current overload.
3 - Power surge.
4 - Short circuit.
5 - Age.

What causes an AVR to fail?
It was concluded that the cause of AVR damage was due to the generator driving motor which experienced a decrease in performance so that when subjected to electric load the engine rotation experienced instability which caused voltage fluctuations where this caused the AVR to work abnormally resulting in AVR damage.

 

  • Regular price
    $49.00
    Sale price
    $49.00
    Regular price
    $0.00
    15533-64600 H1550-64600 76611-55440 Voltage Regulator 
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    Application:
    Kubota Tractor:
    B5200D,B5200E,B6200D,B6200E,B6200HSTD,B6200HSTE,B7200D,B7200E,B7200HSTD,B7200HSTE,
    B8200DP,B8200EP,B8200HST-DP,B8200HST-EP,B9200DC-DP,B9200DC-EP,B9200HST-DP,B9200HST-EP
    Generator: G-5500S
    Front Mower: F2000,F2100,F2100E
    Excavator: KH-007H,KH-35(H),KH-36,KH-41,KH-51,KH-51H,KH-61,KH-61H
    Kubota Compact Tractor B SERIES: B5200D, B5200E, B6200D, B6200E, B6200HST-D, B6200HST-E, B7200D, B7200E, B7200HST-D, B7200HST-E, B8200D, B8200HST-D, B8200E, B8200HST-E, B9200D, B9200E, B9200HST-D(S/N<52071), B9200HST-E (S/N<10338)
    Kubota Excavator KK SERIES: KH61, KH35(S/N<12679), KH41(S/N<11175)
    Kubota Front Mower F SERIES: F2000 F2100(S/N>104237), F2100E

    Interchange part number: 
    15533-64600 H1550-64600 76611-55440

    Description: 
    Voltage Regulator
    Specification:
    12v, 14.7 volt setting, (6) connector w/pins. Terminal ID: AC, B-, AC/L,I,B+

    Condition:
    New, replacement
  • Regular price
    $41.90
    Sale price
    $41.90
    Regular price
    $0.00
    12V Voltage Regulator 9230754 185516060 121522-77790  
    Free Shipping
    Application:
    Perkins Kubota Grasshopper 185530 RS5155 G4200H 185530 KB-RP201-53710

    Interchange part number:

    9230754 185516060 121522-77790 M807915

    Description:
    Voltage Regulator

    Condition:New, replacement
  • Regular price
    $39.90
    Sale price
    $39.90
    Regular price
    $0.00
  • Regular price
    $175.00
    Sale price
    $175.00
    Regular price
    $0.00
    Alternator Voltage Regulator AVR-12 for Datakom Brushless
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    Introduction:
    AVR-12 Voltage Regulator is an electronic device which lets the alternator to produce fixed output voltage. It has open chassis, resin molded design and is intended to be mounted in the alternator's terminal box.
    AVR-12 measures the voltage between one of the alternator phases and the neutral point and adjusts the DC voltage applied to the excitation winding until reaching the desired voltage. The output stage of the device is a Half Wave tyhristor output associated with a free wheeling diode. Basically the unit is compatible with all brushless type alternators. A stability adjustment potentiometer is also provided for this purpose.
    The AVR-12 has a special relay-less electronic circuit design. The required minimum residual voltage for build up is 5 V- AC. The unit does not include moving parts; therefore it is able to operate in highly vibrating environments.
    The AVR-12 includes a low frequency protection circuit. This feature reduces the output voltage during overload or engine stop. Therefore the diesel engine is
    protected from excessive torque generated by high startup currents of large electrical equipments.
    Similarly, the diesel engine may be stopped under load without damage. The easy connection scheme of the device allows fast and easy replacement.
    Features:
    Half-Wave tyhristor output
    0-10 amps. output current
    0-115 volts output voltage
    Relay-less circuit design
    Low frequency protection
    Built in voltage adjustment
    Stability adjustment
    Remote voltage adjustment feature
    Easy connection scheme
    Compatible with various types of alternators
    Operation:
    The device operates on 230-volt phase-to-neutral voltage. The output voltage, as well as the internal supply voltage, is directly picked up from the input ensing voltage. The device needs 5 V-AC for startup.
    The half wave tyhristor output voltage is 115 volts maximum. During operation, the device continuously monitors the input voltage and increases/decreases the excitation voltage in order to maintain the input voltage to a constant value.
    The AVR-20 keeps the alternator voltage change in minimum limits in case of a load change, and helps to reach the required voltage value quickly. The regulation is P-I type, the proportional reaction is fast and the slow acting integral reaction helps the unit to recover the precise set voltage. The stability potentiometer adjusts the reaction speed of the device. This helps the unit to comply with a large variety of alternators.
    The AVR-20 is able to produce up to 20 amps continuous current output. The alternator voltage may be adjusted via the built in potentiometer. Also external voltage adjustment feature is provided, in this case the external potentiometer value shall be 1 kiloohms. The low frequency protection circuit shuts off the excitation voltage in order to prevent damage during engine stopping under load. The factory set value for the protection is 45Hz.
    The alternator EXCITATION terminals shall not be connected to any point but the unit. The NEUTRAL and EXCITATION (+) points are internally connected.
  • Regular price
    $114.00
    Sale price
    $114.00
    Regular price
    $0.00
    44-9143 alternator voltage regulator for Thermo King
    Free Shipping
    Application:
    Thermo King SB-III MAX SB-III SR SDZ Sentry

    Interchange part number: 
    44-9143 13413200 

    Description: 
    alternator voltage regulator 

    Condition:
    New, replacement
  • Regular price
    $138.00
    Sale price
    $138.00
    Regular price
    $0.00
    27700-87207 27700-87209 126000-0600 AVR for Kubota
    Free Shipping
    Application:
    Kubota generator

    Interchange part number: 
    27700-78301 27700-96301 27700-87207 27700-87209 126000-0600


    Description: 
    AVR Alternator Voltage Regulator

    Condition:New,Replacement
  • Regular price
    $145.00
    Sale price
    $145.00
    Regular price
    $0.00
    126000-1800 12V Regulator for Caterpillar Alternator
    Free Shipping
    Application:
    Caterpillar Alternator 1052811 1052812

    Interchange part number: 
    126000-1800 

    Description: 
    Regulator 

    Condition:New, replacement
  • Regular price
    $48.60
    Sale price
    $48.60
    Regular price
    $0.00
    0928400716 0928400505 Common Rail Pressure Regulator 
    Free Shipping!
    Application:
    Bosch

    Interchange part number:
    0928400716 0928400505

    Description:
    Common Rail Pressure Regulator

    Condition:New,Replacement
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