Automatic Voltage Regulator(AVR) STAMFORD MX341

Technical specification

Sensing input

voltage

190-264V ac

frequency

50-60 Hz nominal

phase

1

wire

2

Power input(PMG)

Voltage

140-220V ac max, 3 phase, 3 wire

Current

3A/phase

frequency

100-120 Hz nominal

output

voltage

Max 90V dc at 207V ac input

Current

Continuous 2.7 A dc

Intermittent 6A for 10 secs

resistance

15 ohms minimum

regulation

+/- 1.0% (see note 1)

Thermal drift

0.03% 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

12 watts maximum

ANALOGUE INPUT

Maximum input

+/- 5V dc

Sensitivity

1v for 5% Generator Volts (adjustable)

Input resistance

1k ohm

QUADRATURE DROOP INPUT

Max. sensitivity

0.07 A for 5% droop 0PF

STAMFORD AVR

LEROY SOMER

General AVR

Basler series

MeccAlte series

Marelli series

AS440

R230

GAVR-8A

EA04C

EA06A/UVR6

M40FA640

SX440

R250

GAVR-12A

EA05A

SR7

M16FA655A

SX460

R438

GAVR-15A

EA08A

MX341

R448

50A-board

EA15A

MX321

R449

EA350

AS480

R450