Product Details

Generator AVR Circuit Diagram AVR AS480 For Genset Parts

Product Description

Description

The AS480 is a half-wave phase-controlled AVR which forms part of the excitation structure of the brushless generator. Which also incorporates an interface to the optional excitation boost system(EBS) for the use where short-circuit current safeguarding is required.

Technical specification
Sensing and power input
voltage	100-264 Vac 1 phase
frequency	50-60 Hz nominal
output
voltage	82 V d.c. @ 200 V a.c.
	45 V d.c. @ 110 V a.c.
Current	Continuous 5 A dc. transient 7.5A for 10 secs.
resistance	15 ohms min
regulation	+/- 1.0%
Thermal drift	0.03% per deg. C change in AVR ambient
Typical system response
AVR response	20 ms
Filed current to 90%	80 ms
Machine volts to 97%	300ms
External voltage adjustment	+/- 10% with 1 k ohm 1 watt trimmer
Under frequency protection
Set point	95% Hz(see note 4)
Unit power dissipation	12 watts maximum
QUADRATURE DROOP INPUT
Max. sensitivity	0.07 A for 5% droop 0PF
Max. input	0.33 A
OVER EXCITATION PROTECTION
Set point	67 V dc +/-3%
Time delay	10-15 seconds (fixed)
Build up voltage	4 volts @ AVR terminals

Packaging & Shipping

Company Information

Focus on Truck and generator Parts Solution

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