We can provide customized training on the principles and operation of power converter systems, tailored to the expected audience, and the specific equipment installed at your plant. The following are example course outlines.

Specification, Operation and Maintenance of Industrial Power Converters

    First Day

        Elements of Power Converters: Transformers, switching elements, protection, control         and cooling.

        Circuit Configurations: Basic forms, single vs. double way configurations, ANSI         circuit numbers, inverter configurations.

        Basic Theory: Commutation groups, commutation process, development of line         waveforms, power factor, section currents.

        Efficiency and Losses: Loss elements, Testing for loss, loss calculations, standard         methods.


    Second Day

        Transformer Reliability: Transformer life vs. temperature, voltage environment,         moisture content of insulation, corona.

        Power Semiconductor Reliability: Failure rate vs. temperature, failure rate vs. voltage         stress, mounting problems and compounds.

        Control System Reliability: Failure rate vs. temperature, connectors, component         count, redundancy.

        Protection: AC protection, DC protection, Semiconductor protection, Electronic         protection, coordination with process, diagnostics.

        Specifications: Need and purpose for specifications, recommended spec. outline,         proper use of standards.

    Third Day

        Harmonics Generation: Classic harmonics from the ideal converter, normal harmonics,         non-characteristic harmonics, resonance, filters, special problems.

        Effects of Harmonics: Line notching, line distortion, harmonic instability, effects on         motors, capacitor ratings.

        IEEE 519: What it is, responsibilities of user, responsibility of utility, predicting         compliance, methods of fixing.

        General Discussion:



Power Converters for Electrical Maintenance Personnel

        I.        Energy & Power
                A.        Energy
                B.        Power
                C.        Electrical Power
        II.        Elements of a Rectifier
                A.        Transformer
                B.        Rectification
                C.        Cooling
                D.        Control
        III.        Maintenance
                A.        Transformer
                B.        Wiring Connections
                C.        Trips & Alarms
                D.        SCR Clamps & SCR Mounting
                E.        SCR Checks
                F.        Electronics Checkout.
                G.        Open Circuit Test.