Mark V

Electrical characteristics

• Power supply voltage: 170 ÷ 277 Vac @ 50/60 Hz
• Power supply source: Auxiliary windings, mains
• Voltage build-up: 5 Vac
• Voltage sensing type: 1-phase
• Voltage sensing range: 170 ÷ 277 Vac
• Maximum continuative field current: 0 ÷ 5 Adc
• Maximum forcing field current: 0 ÷ 8 Adc
• Maximum field voltage: 100 Vdc
• Field resistance: 8 Ω ÷ 20 Ω
• Regulation accuracy from no load to full load: ±0.5 %
• Steady state accuracy: ±0.1 %
• Accuracy with ±4% engine governing: ±1 %
• Thermal Drift: ±0.5 %
• Response time: 1 cycle
• Operating temperature: -30°C ÷ +70°C
• Storage temperature: -40°C ÷ +80°C

Features

• Interface: Potentiometers
• Voltage remote control: Arrangement
• Radio interference suppressor: Internal

Protections

• Under-frequency limiter
• Over-excitation limiter
• Internal fuse, replaceable

Control

• External potentiometer: 100 kΩ - 1 W
• External DC voltage signal (0 / +10 V)

Dimensions and weight

• L: 149 mm
• B: 89 mm
• K: 132 mm
• H: 41 mm
• D: 6.5 mm
• Weight: 320 g