Projecta IM2000 Instructions d'exploitation télécharger pdf (Page 31)

8 Lead Motors

8 lead motors offer a high degree of flexibility to the system designer in that they may

be connected in series or parallel, thus satisfying a wide range of applications.

Series Connection

A series motor configuration would typically be used in applications where a

higher torque at lower speeds is required. Because this configuration has the

most inductance, the performance will start to degrade at higher speeds. Use

the per phase (or unipolar) current rating as the peak output current, or

multiply the bipolar current rating by 1.4 to determine the peak output current.

Parallel Connection

An 8 lead motor in a parallel configuration offers a more stable, but lower

torque at lower speeds. But because of the lower inductance, there will be

higher torque at higher speeds. Multiply the per phase (or unipolar) current

rating by 1.96, or the bipolar current rating by 1.4, to determine the peak

output current.

Figure 6.3: 8 Lead Motor Parallel Connections

Figure 6.2: 8 Lead Motor Series Connections

PHASE A

PHASE B

PHASE A

PHASE B

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Projecta IM2000 Instructions d'exploitation Page 31