A state entered in fault situations, e.g. if the frequency converter is subject to an over-temperature or when the frequency converter is protecting the motor,

process or mechanism. Restart is prevented until the cause of the fault has disappeared and the trip state is cancelled by activating reset or, in some cases, by

being programmed to reset automatically. Trip may not be used for personal safety.

Trip Locked

A state entered in fault situations when the frequency converter is protecting itself and requiring physical intervention, e.g. if the frequency converter is subject

to a short circuit on the output. A locked trip can only be cancelled by cutting off mains, removing the cause of the fault, and reconnecting the frequency converter.

Restart is prevented until the trip state is cancelled by activating reset or, in some cases, by being programmed to reset automatically. Trip locked may not be

used for personal safety.

VT Characteristics

Variable torque characteristics used for pumps and fans.

60° AVM

Switching pattern called 60°Asynchronous Vector Modulation (See par. F-37 Adv. Switching Pattern).

1.1.7 Power Factor

The power factor is the relation between I

The power factor for 3-phase control:

The power factor indicates to which extent the frequency converter imposes

a load on the mains supply.

The lower the power factor, the higher the I

In addition, a high power factor indicates that the different harmonic currents are low.