EA15AGP Kutai Automatic Voltage Regulator

R2,800.25 Inc. Vat

In stock

SKU: EA15AGP Category:


The Kutai EA15A, though slightly less features than the EA16 (Also available with us) it has similar power and voltage sensing capabilities and functionality. Featuring a soft start ramp time of only 2 seconds and under frequency protection. Robust built from metal and sturdy ABS plastic, making this fixed installation unit exceptionally durable. With dimensions of 150mm L * 100mm W * 64mm h. It utilises air cooling to prevent damage on circuitry.
Technical Specifications of the EA15A Kutai Automatic Voltage Regulator

Sensing Voltage: 190 ~ 500 VAC, 1 phase 2 Wire (Jumper Selectable). 50/60 Hz (Jumper Selectable)
Power Input: 100 ~300 VAC, 1 phase 2 wire
Output: Voltage – MAX 90 VDC @240 VAC input. Current: Continuous 15A, Intermittent 20A for 10 sec. Resisance: MIN 9 ohm
Voltage Regulation: < ± 0.5% (with 4% engine governing) Voltage Build-up: Residual voltage at AVR terminal > 5 VAC
Thermal Drift: 0.03% per °C change in ambient AVR temp.
External Volts Adjustment: ± 15% with 5K ohm 1 watt trimmer
Unit Power Dissipation: MAX 10 watt

Reasons for using the EA15A Kutai 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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