MEC-100

Model: MEC-100
Frame size: On request 160 ÷ 900 (as spare part)
Technology: DIGITAL
Part numbers: 10009777, 10009784
Compliance: CE

Electrical characteristics

• Power supply voltage: 170 ÷ 277 Vac @ 50 ÷ 400 Hz
• Power supply source: Auxiliary windings, mains, PMG
• Voltage build-up: 15 Vac
• Voltage sensing type: 1-phase / 3-phase
• Voltage sensing range: 100 ÷ 500 Vac
• Current sensing type: 1-phase
• Current sensing range: 1 Aac / 5 Aac
• Maximum continuative field current: 0 ÷ 10 Adc
• Maximum forcing field current: 0 ÷ 20 Adc
• Maximum field voltage: 250 Vdc
• Field resistance: 3 Ω ÷ 20 Ω
• Regulation accuracy from no load to full load: ±0.25 %
• Steady state accuracy: ±0.1 %
• Accuracy with ±4% engine governing: ±1 %
• Accuracy in PF / VAR / FCR modes: ±2 %
• Voltage matching accuracy: ±0.5 %
• Thermal Drift: ±0.5 %
• Response time: 1 cycle
• Operating temperature: -30°C ÷ +70°C
• Storage temperature: -40°C ÷ +80°C

Features

• Interface: MEC-100 Interface System software
• Interface port: Serial RS232
• Voltage remote control: Arrangement
• Radio interference suppressor: Arrangement for external filters
• Over-boosting: Arrangement for Varicomp
• Parallel operation with the mains: Internal
• Parallel operation with similar generators: Arrangement

Functions

• Droop compensation
• Soft start
• Voltage matching

Protections

• Under-frequency limiter
• Over-excitation limiter
• Under-excitation limiter
• Field over-voltage
• Fied over-current
• Generator over-voltage
• Generator under-voltage
• Generator over-current
• Loss of sensing
• Diode monitoring

Control

• 2 external DC current inputs (4 ÷ 20 mA)
• 8 digital contact inputs
• 2 digital outputs

Dimensions and weight

• L: 353 mm
• B: 183.5 mm
• K: 322 mm
• J: 148.5 mm
• H: 53 mm
• D: 4.5 mm
• Weight: 2000 g