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AUTOMATIC STATIC POWER
FACTOR CORRECTION
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 |
|
Static P.F.C. equipment differs from the standard equipment for
the following reasons:
 |
The reactive power regulator has a switching time of the banks
extremely quicker than the standard regulator |
|
The device for switching the capacitors banks is electronic,
controlled by thyristors, with the capability of switching the
capacitors at zero crossing. |
Static switching by thyristors has the following advantages:
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Maximum speed in switching the capacitors banks (the total
power is switched in less than a second) |
|
No current peak on the capacitors at the time of switching of
the banks |
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No voltage peak on the capacitors at the time of switching off
the banks |
|
Elimination of deterioration of the contacts in the standard
contactors |
|
Noise reduced to a minimum |
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Reduced maintenance |
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Prolonged capacitor life. |
APPLICATION
FIELD
The automatic static Power Factor Correction is particularly
suitable for variable quick loads, such as:
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Injection presses |
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Elevators |
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High torque motors |
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Motors affected by voltage losses |
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Car industry |
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Wind
turbines for the production of electric energy |
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Diesel generators |
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Series
400 Vac 50 Hz
Condensatori MFA 440 Vac 50 Hz
THDImax <
25% THDIalarm 40% |
|
Series
400 Vac 50 Hz
Condensatori MFA 500 Vac 50 Hz
THDImax < 30% THDIalarm
60% |
|
Series
400 Vac 50 Hz
Condensatori MFA 550 Vac 50 Hz
THDImax < 40% THDIalarm
70% |
Series
400 Vac 50 Hz
Capacitors MFHC 400 Vac 3
In 50 Hz
THDImax < 50% THDIalarm
80% |
Series
400 Vac 50 Hz
Capacitors MFHC 400 Vac 3
In 50 Hz
THDImax < 55% THDIalarm
85% |
Series
400 Vac 50 Hz
Blocking reactors 180 Hz
Capacitors MFA 550 Vac 50 Hz
THDImax < 70% |
Series
400 Vac 50 Hz
Blocking reactors 140 Hz
Capacitors MFA 550 Vac 50 Hz
THDImax < 100% |
