Features of PM Reluctance Hybrid Motors VECTOMOTOR

PM reluctance hybrid motors

A PM reluctance hybrid motor is a combination of a reluctance and a permanent magnet motor. Unlike a classic reluctance motor, a PM reluctance hybrid motor thus has magnets in the rotor.

Vertriebsteam ARADEX

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Product data PM reluctance hybrid motors VECTOMOTOR VM600m

VM600M-18W0115-2

Traction (PM reluctance)

Max. overload for 1 min2): 1150 Nm
Noiminal torque 1): 600 Nm
Rated speed nN: 1450 1/min
Peak current : 300 Arms

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VM600M-18W0115

Traction (PM- reluctance)

Max. overload for 1 min2): 1150 Nm
Noiminal torque 1): 600 Nm
Rated speed nN: 1450 1/min
Peak current : 500 Arms

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VM600M-18W0350

Traction (PM reluctance)

Max. overload for 1 min2): 3500 Nm
Noiminal torque 1): 1700 Nm
Rated speed nN: 1710 1/min
Peak current : 1050 Arms

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VM600M-28W0400

Traction (PM reluctance)

Max. overload for 1 min2): 4000 Nm
Noiminal torque 1): 1800 Nm
Rated speed nN: 1640 1/min
Peak current : 1200 Arms

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More informationen

Structure and function of PM reluctance hybrid motors

A PM reluctance hybrid motor is a synchronous motor – in other words, the magnetic fields of the rotor and the stator rotate along with each other at the same speed. The difference from the PM motor is the attachment of the magnets. In a PM reluctance hybrid motor, the magnets are not installed as surface magnets, as with a classic syn-chronous motor, but are buried in the rotor. As a result, they can be better influenced, which ultimately qualifies the motor for field weakening and thus for operation at high speeds.

Application areas of PM reluctance hybrid motors

Motors with buried magnets are used primarily in traction applications but can also be used for ship’s drives or generators. In particular, drives that profit from the good field weakening ability, in other words, require less torque in the upper speed range, benefit from a PM reluctance hybrid motor. This synchronous motor variant with buried mag-nets is thus optimally suited for most traction drives.

Advantages and disadvantages of PM reluctance hybrid motors

Advantages

•    High efficiency
•    Very much better field weakening ability than purely PM motors
•    Smaller and lighter than asynchronous motors
•    Suitable for direct drive

Disadvantages

•    More expensive than asynchronous motors
•    In the case of an error, overvoltage must be stopped with an active short-circuit. However, optimizations by ARADEX cause this to happen only at very low and thus harmless speeds.




Further motor topologies