Drives

Speed Drives and Soft Starters
Course code: VVD1 Duration: 2 days
A 2-day course covering the construction and operating characteristics of 3-phase induction motors, variable speed drives and soft starters. Principles of variable voltage, variable frequency, (VVVF) speed control and closed loop flux vector speed/torque control of a 3-phase induction motor. Presentations and practical 'hands on' exercises on the Telemecanique Altivar 31 and Altivar 71/61 variable speed drives using the supplied workbooks and training units. Basic set-up and commissioning using PowerSuite software and installation and fault-finding procedures for the Altivar variable speed drives.
Drives – Pumping Applications
Course code: VVD2 Duration: 1 day
This is a hands on course covering multi pump and lead pump applications. A test rig is used comprising four pumps paralleled across an inlet and outlet manifold, with pressure and flow sensors at the discharge of the outlet manifold.

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