AVR SX460-A We supply AVR: SX460,SX440,AS440,MX321,MX341,R230,R448,R449,R438,SE350,YH-8A,YH-12A,YH-15A,etc.
AVR SX460-A
SX460 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator(AVR) and forms part of the excitation system for a brushless alternator.
Technical specification | |
input | |
voltage | Jumper selectable 95-132V ac or190-264V ac |
frequency | 50-60 Hz nominal |
phase | 1 |
output | |
voltage | Max 90V dc at 207V ac input |
Current | Continuous 4 A dc Intermittent 6A for 10 secs |
resistance | 15 ohms minimum |
regulation | +/- 1.0% (see note) |
Thermal drift | 0.05% per deg.c change in AVR ambient (note 2) |
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(see note 3) |
Under frequency protection | |
Set point | 95% Hz(see note 4 ) |
slope | 170% down to 30 Hz |
Unit power dissipation | 10 watts maximum |
Build up voltage | 4 volts @ AVR terminals |
Environmental | |
Vibration | 20-100 Hz 50mm/sec 100 Hz 2kHz 3.3g |
Operating temperature | -40 to + 70c |
Relative humidity 0-70c | 95% (see note 5) |
Storage temperature | -55 to |
AVR SX460-A
