Generator AVR Automatic Voltage Regulator Gavr8a 100KVA Generator Parts

Product Information:

  • Part No: GAVR-8A
  • Package includes: 1pc Automatic Voltage Regulator
  • Electric GAVR-8A Generator AVR Automatic Voltage Regulator Gavr8a 100KVA for Brushless Generator Spare Parts


  • 【8A MP 】：Our automatic voltage regulator module has built-in high-capacity 8a mp , 110/220/440 vac programmable input, stable performance.

  • 【MULTIFUNCTION】：Our GAVR-8A universal AVR generator has under-frequency protection, soft-start voltage ramp, low-frequency protection and slow voltage build-up functions.

  • 【STABLE PERFORMANCE】：The maximum frequency of the induction input voltage AC 90-480V is nominally 50-60 Hz, and the maximum frequency of the power input voltage AC 95-264V is nominally 50-60 Hz.

  • 【ULTRA-LOW MAGNETIZATION VOLTAGE】：Our generator voltage regulator has ultra-low magnetization voltage, fast response speed, stable voltage, and is very high-quality voltage regulators.

  • 【HIGH BREAKING CAPACITY】：The protection with high breaking capacity, the key circuit adopts high-grade stable components, the temperature is lower than 0.05%/°C, and multiple independent protection circuits are designed, which is safer and more reliable.


  • Description

  • GAVR-8A Automatic Voltage Regulator features a rugged compact design, 110/220/440 VAC Programmable Input with Under Frequency Protection. Also features Soft Start Voltage Ramping and EMI Suppression and a built-in high capacity 8 Amp Fuse to protect the unit in cases of power surges. Package includes 1 x AVRGAVR-8A and 1 x User Manual.

  • Technical Specifications of the GAVR-8A Automatic Voltage Regulator
  • SENSING INPUT: Voltage : 110/220/400V AC MAX; Frequency : 50-60 Hz nominal

  • POWER INPUT: Voltage : 100-260V AC MAX; Frequency : 50-60 Hz nominal

  • OUTPUT: Voltage : max 90V DC at 240V AC input; Current : continuous 3A,Intermittent 5A for 10 secs; Resistance : Min.15Ω Max.100Ω

  • REGULATION: ± 1%

  • Reasons for using the GAVR-8A Automatic Voltage Regulator
  • Power generators, as ones used by standby power systems, will have automatic voltage regulators to stabilise their voltages as the load on the generators fluctuates. Originally, AVRs for generators were electromechanical in nature, but a modern AVR uses solid-state devices. An AVR acts as an feedback control system that gauges the output voltage of the generator, compares that output to a set reference point, and generates an error signal that is used to adjust the excitation of the generator. As the excitation current in the field winding of the generator increases, its terminal voltage will increase. The AVR will control current by using power electronic devices; generally a fraction of the generator’s output is used to feed current for the field. Where a generator is connected in parallel with other sources such as an electrical transmission grid, changing the excitation has more of an effect on the reactive power produced by the generator than on its terminal voltage, which is mostly set by the connected power system.

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