• BS IEC 60034-17:1998

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.


    Available format(s):  Hardcopy, PDF

    Superseded date:  16-08-2002

    Language(s):  English

    Published date:  01-01-1998

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    1 Scope
    2 Normative references
    3 Characteristics of the motor
    4 Frequency spectrum of voltage and/or currents
    5 Additional losses
    6 Torque derating during converter operation
    7 Oscillating torques
    8 Magnetically excited noise
    9 Service life of the insulation system
    10 Shelf voltages
    11 Maximum safe operating speed
    Figure 1 Waveform of phase current iphase in delta
               connection for l-converter supply (idealized example)
    Figure 2 Waveform of phase voltage uphase in delta
               connection for U-converter supply with pulse
               frequency fp = 15 x f1 (example)
    Figure 3 Influence of converter supply on the losses of a
               cage induction motor (frame size 315 M, design N)
               with rated values of torque and speed
    Figure 4 Fundamental voltage U1 as a function of operating
               frequency f1 (see clause 6)
    Figure 5 Torque derating factor for cage induction motors
               of design N, IC 0141 (self-circulating cooling)
               for l-converter supply as a function of operating
               frequency f1 (example)
    Figure 6 Limiting curve of admissible impulse voltage ULL
               (including voltage reflection and damping) at the
               motor terminals as a function of the rise time ta
    Figure 7 Definition of the rise time ta of the voltage at the
               motor terminals

    Abstract - (Show below) - (Hide below)

    Covers the steady-state operating of cage induction motors within the scope of IEC 60034-12, when fed from converters. Describes the operation over the whole speed setting range, but is not concerned with starting or transient phenomena.

    General Product Information - (Show below) - (Hide below)

    Committee PEL/2
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60072-3:1994 Dimensions and output series for rotating electrical machines - Part 3: Small built-in motors - Flange numbers BF10 to BF50
    IEC 60072-1:1991 Dimensions and output series for rotating electrical machines - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080
    IEC 60034-1:2017 Rotating electrical machines - Part 1: Rating and performance
    IEC 60072-2:1990 Dimensions and output series for rotating electrical machines - Part 2: Frame numbers 355 to 1000 and flange numbers 1180 to 2360
    IEC 60034-12:2016 Rotating electrical machines - Part 12: Starting performance of single-speed three-phase cage induction motors
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