Course 3 - Electric Motors and Variable Frequency Drives

Description:

This course will cover AC electric induction motor design and applications, as well as the applications of VFDs.

Course Outline:

Medium Voltage Electric Motors:

    1. AC Induction Motor Basics​

            - Motor Theory, Stator & Rotor Construction, Enclosers

    2. Horizontal Motor Bearing, Lubrication

    3. Vertical Motor Design Features

            - Bearings, Lube, Flanges, Reed Critical Frequency

    4. Electrical Design Criteria

            - SF, Temp Rise, Torques, Efficiency, Starting Methods

    5. Options, Accessories, Testing, Paint

            - RTD’s, Filters, Detectors, Terminal Boxes, Paint

    6. Industry Specifications

            - IEEE-841, API-547, API-541

    7. Application of Motors with VFD’s

Variable Frequency Drives:

    1. VFD basics - system architecture, introduce terminology​

    2. Why is a VFD required?

    3. Typical benefits, Energy savings, Carbon tax, Effect of renewables on the grid on motor starting

    4. Pump application considerations - includes process control aspects, energy savings, and advantages of VFDs in process control

    5. Mechanical effects of VFD on pump motor train

    6. Installation/selection considerations as applicable to the pumping industry

            - Size/speed limitations​ for VFD application

            - Industry standards applicable to VFD

            - Challenges and gaps in the standards

    7. When to use VFDs vs when it is not economical?

    8. Common problem areas with case studies (Reliability aspects of VFDs in the pumping industry)

Instructors:

Patrick Robinson

Senior Partner

Altelec Technical Services

Patrick Robinson is senior partner in Altelec Technical services. Patrick graduated with honors as a mature student from NAIT in Edmonton in 1995, in Electrical Engineering Technology. Patrick started working with Altelec the next day and has worked in the field of motor control and protection in the intervening 27 years. Patrick has presented to the IEEE and other forums many times including participating in technical papers, and is involved in design considerations of VFDs with Siemens.

Bart Sauer

Oil & Gas Segment Manager

Siemens

Bart Sauer graduated from Case Western Reserve University in 1989 with a Bachelor of Science degree in Mechanical Engineering.  He has been an employee of Siemens at the ANEMA motor plant in Norwood, OH, since 1990, serving in roles as a Mechanical Product Engineer, Sales Application Engineer, and his current role as Oil & Gas Market Segment Manager since 2009.  He presented at the 2019 CPS, has been an author on four previous IEEE papers and is currently a member of the PCIC / API 541/546/547 motor specification committee.

Simran Saral

Application Specialist, Siemens Large Drives

Siemens

Simran Sarai is an application specialist working for Siemens Large Drives based out of Edmonton Alberta. Simran graduated from Electrical Engineering with distinction from University of Alberta in 2019. She has been working with Siemens since 2018 through the Siemens engineering academy. Currently, Simran is responsible for preparing technical and commercial proposals for MV VFDs and Motors for different industries including Oil & Gas, mining and pulp & paper. She is also part of the team for Siemens holistic digital solution -Sidrive iQ.

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