11091722644 Automatic Voltage Regulator AVR SX460 for Generator ///s/files/1/1978/9859/products/1_26_25.jpg?v=1499266511 ///s/files/1/1978/9859/products/1_26_25_medium.jpg?v=1499266511 783.00 USD OutOfStock Retired DESCRIPTIONĩ69.00 SainSmart Backlink Target discontinued nChannel add-to-cart ĩ69. EA05A AVR Original Kutai Electrical Controller Module Automatic Voltage Regulator Stabilizer Diesel Generator Repair Part. Factory set, semi-sealed, jumper selectable +/-10% with 1 k ohm 1 watt trimmer (see note 3) Voltage: Jumper selectable 95-132V ac or 190-264V acĠ.05% per deg. Provision is made for the connection of a remote voltage trimmer, allowing the user fine control of the generator's output. This can easily be changed to 50 or 60 Hz in the field by push-on link selection. A manual adjustment is provided for factory setting of the under frequency roll off point, (UFRO). 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.Ī 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.
In addition to being powered from the main stator, the AVR also derives a sample voltage from the output windings for voltage control purposes. 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%. Positive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR. Excitation power is derived directly from the generator terminals. In addition to regulating the generator voltage, the AVR circuitry includes under-speed and sensing loss protection features. 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.
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