Editing Configuring drive voltage limits FUV and FOV
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− | [[File:FUV FOV parameters graph.svg|thumb| | + | [[File:FUV FOV parameters graph.svg|thumb|600px|Typical [[HV DC bus]] voltage waveform and events during normal operation: A) Power-up, drive starts initialization beyond this point, B) normal operation, C) rapid deceleration of motor causing voltage rise, in this region drive attempts to reduce voltage by using [[regenerative resistor]] if present, D) return to nominal voltage range, E) power down.]]Parameters {{param|FUV}} and {{param|FOV}} define the nominal [[HV DC bus]] voltage range that drive operates in. The purpose of these parameters are to set protect equipment working in a condition where supply voltage is either too low or too high, which is considered a fault condition (see also [[Overvoltage and undervoltage faults]]). FOV also has a special purpose to set a limit where [[regenerative resistor]] will start activating and preventing excessive supply voltage build-up during motor decelerations. |
This page guides setting a proper values to FUV and FOV parameters. | This page guides setting a proper values to FUV and FOV parameters. | ||
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{{Damage| Setting FOV too low on outdated firmwares may cause regenerative resistor heating whenever power is on.}} | {{Damage| Setting FOV too low on outdated firmwares may cause regenerative resistor heating whenever power is on.}} | ||
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