BỘ ĐIỀU KHIỂN KÍCH TỪ SHT25D

Thông số kỹ thuật của bộ điều khiển kích từ SHT25D

SENSING INPUT

• Voltage 100 – 130 } Jumper
• 170 – 250 } Selectable
• Frequency 50 – 60Hz nominal
• Phase 2
• Wire 2

POWER INPUT

• Voltage 100 – 250 Vac
• Frequency 50 – 60Hz
• Phase 1
• Wire 2

OUTPUT

• Voltage
  • 75dc @ 170 Vac
  • input 105 dc @ 240 Vac
• input Current Continuous 4A dc, Transient 7.5A for 10 seconds
• Field resistance
  • 10 Ω minimum up to 170Vac input
  • 15 Ω minimum up to 250Vac input

REGULATION (See Note 1) +/- 1.0% Average

THERMAL DRIFT

• 0.05% per °C

TYPICAL SYSTEM RESPONSE

• Field current to 90% 80ms
• Machine Volts to 97% 300ms

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

• 12 watts maximum

BUILD UP VOLTAGE

• 3.5 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
• Weight 360 grams