MarelliMotori MEC-100 Manuel De L'utilisateur page 59

PF Mode
VAR Mode
Voltage matching
2.8. LIMITERS AND OTHER FUNCTIONS
Soft start
Voltage matching
Parallel operation
Over-excitation limiter
Under-excitation limiter
Under-frequency limiter
2.9. PROTECTIONS
Field over-voltage
Field over-current
Generator over-voltage
Generator under-voltage
Generator over-current
963857137_M
Accuracy
Accuracy
Accuracy
Time adjust range
Minimum threshold
Maximum threshold
Type
Range
Type
Thresholds
Range
Corner frequency
Zero Volt frequency
Range of voltage
threshold
Alarm time delay
Range of current
threshold
Alarm time delay
Range of voltage
threshold
Alarm time delay
Range of voltage
threshold
Alarm time delay
Type
Thresholds and
alarm time delay
±2% (accuracy % referred to the reactive power)
±2%
±0,5%
•
1 to 3600s
•
1s increment
•
90 to 100% of the rated generator voltage
•
1% increment
•
100 to 110% of the rated generator voltage
•
1% increment
Reactive droop compensation
0 to 10%
Inverse time curve
•
1 maximum threshold
•
Range from 0 to 25A with 0.1A increment
•
Time delay from 0 to 600s with 0.1s increment
•
1 maximum continuative threshold
•
Range from 0 to 15A
•
0.1A increment
Leading power curve with two settable points
•
40 to 60Hz
•
0.1Hz increment
•
0 to 40Hz
•
0.1Hz increment
•
0 to 200Vdc
•
1Vdc increment
•
0 a 300s
•
0.1s increment
•
0 to 15Adc
•
0.1Adc increment
•
0 to 10s
•
0.1s increment
•
100 to 150% of the rated generator voltage
•
1% increment
•
0 to 300s
•
0.1s increment
•
0 to 100% of the rated generator voltage
•
1% increment
•
0 to 300s
•
0.1s increment
Inverse time curve
•
1 maximum threshold
•
Range from 0 to 120% of the rated stator current
•
1% increment
•
Time delay from 0 to 3600s
•
1s increment
•
1 maximum continuative threshold
•
Range from 0 to 110% of the rated stator current
•
1% increment
MEC-100 – Marelli Motori
59