Mavel Edt S.p.a.

Ifp Energies Nouvelles

Mavel S.r.l.

Denny Chiono

Davide Bettoni

Wissam Dib

Fabio Borello

A control system () of an electric machine () includes a position sensor () configured to detect the angular position of a rotor of the electric machine (); at least two alternate current sensors (), each one of the alternate current sensors () being configured to detect the value of the alternate current (i, i, i) to an input phase to the electric machine (), and being electrically connected to a phase of the supply circuit of the electric machine (), the electric machine () being electrically connected to an inverter () configured to transform a continuous voltage supplied by the electric supply means into an alternate voltage for a power supply of the electric machine (); and a measuring circuit () of a voltage of an electric machine.

System and process for controlling electric machines using a measuring circuit of the voltage of the electric machine

The present disclosure provides for a measuring circuit of the voltage of an electric machine which can be used in a system and process for calibrating electric machines using such circuit. In particular, the invention refers to a measuring circuit of the voltage of an electric motor and provides for measuring the phase voltages of a synchronous, reluctance electric motor of the type with permanent magnets, in addition to any other type of electric machine. The invention allows for calibrating an electric motor using such circuit to correct errors in the position of a rotor.

Measuring circuit of the voltage of an electric machine, system and process for calibrating electric machines using such circuit

A measuring circuit () is described, for the voltage of an electric machine comprising a first operational amplifier (), at least one second operational amplifier (), a third operational amplifier (); a system and a process for estimating the temperature of the magnets of electric machines using such circuit () are further described.

Measuring circuit of the voltage of an electric machine, system and process for estimating the temperature of the magnets of electric machines using such circuit

A control method of an electric machine is described, including a first step of detecting the angular position of a rotor of the electric machine; a second step of detecting the values of the alternate current next to at least two phases of the input current to the electric machine; a third step of detecting the values of voltage and direct current supplied as input to the inverter by the electric supply means; a fourth step of estimating the torque supplied by the electric machine performed by processing data detected in the first and second step; a fifth step of computing the torque supplied by the electric machine performed by processing data detected in the third and first step; a sixth step of comparing the value of the computed torque and the value of the estimated torque; a control system and a motor comprising such system are further described.

Method and system for controlling an electric machine

The present invention is a power module for a system for converting a direct electrical power into a three-phase electrical power. The power module according to the invention comprises two inputs (E, E), an output (S), two switches (), two diodes (D), and two capacitors (Cs, Cov) and to a conversion system comprising such a power module.

Regenerative undeland snubber circuit for half-arm of an inverter

The present invention is a system for converting a direct electrical power into alternating electrical power. The conversion system comprises an assembly on a printed circuit board () of power modules (), an electrical energy recovery module (') and a coil and the present invention also relates to a method for assembling the conversion system, and a motor system comprising the conversion system.

Modular system for converting a DC electrical power into three-phase electrical power and method the same

The present invention relates to a DC/AC converter, comprising switching arms, a voltage and current variation modulation circuit, and an electrical energy harvester module. The energy recovery module is linked to the switching arms and to the modulation circuit.

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Saint Nicolas, Italy

Denny Chiono