BỘ ĐIỀU KHIỂN KÍCH TỪ MODEL SX460

Bộ điều khiển kích từ SX460 cho máy phát điện

TECHNICAL SPECIFICATION

POWER INPUT

• Voltage 95-132V ac or 190-264V ac
• Frequency 50 – 60Hz
• Phase 1

OUTPUT

• Voltage max 90V dc at 207Vac input
• Current continuous 4 A dc Intermittent 6 A for 10 secs
• Resistance 15 ohms minimum

REGULATION

• +/- 1.0% Average

THERMAL DRIFT

• 0.05% per °C

TYPICAL SYSTEM RESPONSE

• AVR response 20 ms
• Filed current to 90% 80 ms
• Machine Volts to 97% 300 ms

EXTERNAL VOLTAGE ADJUSTMENT

• +/- 10% with 1 K Ω trimmer

UNDER FREQUENCY PROTECTION

• Set Point (See Note 2) 95% Hz
• Slope 170% down to 30 Hz

UNIT POWER DISSIPATION

• 10 watts maximum

BUILD UP VOLTAGE

• 4 V ac (@ AVR terminals)

ACCESSORY INPUT

• +/- 1V input = +/- 10% change in output volts @ 415V nominal

QUADRATURE DROOP

• Maximum sensitivity (10 Ω Burden ) 0.07 A for 5% droop @ 0p.f.

ENVIRONMENTAL

• Vibration 20-100 Hz 50 mm/sec
• 100 Hz-2 kHz 3.3g
• Relative Humidity 0-60°C 95% RH
• Operating Temperature -40 to +70°C
• Storage Temperature -55 to +80°C

Sơ đồ khối của bộ điều khiển kích từ SX460