CLC/TS 60034-25:2008

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 System characteristics
   4.1 General
   4.2 System information
   4.3 Torque/speed considerations
   4.4 Motor requirements
5 Losses and their effects (for induction motors fed from
   U-converters)
   5.1 General
   5.2 Location of the additional losses due to converter
        supply and ways to reduce them
   5.3 Converter features to reduce the motor losses
   5.4 Use of filters to reduce additional motor losses
        due to converter supply
   5.5 Temperature and life expectancy
   5.6 Determination of motor efficiency
6 Noise, vibration and torsional oscillation
   6.1 Noise
   6.2 Vibration (excluding torsional oscillation)
   6.3 Torsional oscillation
7 Motor insulation electrical stresses
   7.1 General
   7.2 Causes
   7.3 Winding electrical stress
   7.4 Insulation stress limitation
   7.5 Responsibilities
   7.6 Converter characteristics
   7.7 Methods of reduction of voltage stress
   7.8 Motor choice
8 Bearing currents
   8.1 Sources of bearing currents in converter-fed
        motors
   8.2 Generation of high-frequency bearing currents
   8.3 Common mode circuit
   8.4 Stray capacitances
   8.5 Consequences of excessive bearing currents
   8.6 Preventing high-frequency bearing current damage
   8.7 Additional considerations for motors fed by high
        voltage U-converters
   8.8 Bearing current protection for motors fed by
        high-voltage current-source converters (I-converters)
9 Installation
   9.1 Earthing, bonding and cabling
   9.2 Reactors and filters
   9.3 Integral motors (integrated motor and drive modules)
10 Additional considerations for permanent magnet (PM)
   synchronous motors fed by U-converters
   10.1 System characteristics
   10.2 Losses and their effects
   10.3 Noise, vibration and torsional oscillation
   10.4 Motor insulation electrical stresses
   10.5 Bearing currents
   10.6 Particular aspects of permanent magnets
11 Additional considerations for cage induction motors
   fed by high voltage U-converters
   11.1 General
   11.2 System characteristics
   11.3 Losses and their effects
   11.4 Noise, vibration and torsional oscillation
   11.5 Motor insulation electrical stresses
   11.6 Bearing currents
12 Additional considerations for synchronous motors
   fed U-converters
   12.1 System characteristics
   12.2 Losses and their effects
   12.3 Noise, vibration and torsional oscillation
   12.4 Motor insulation electrical stresses
   12.5 Bearing currents
13 Additional considerations for cage induction motors
   fed by block-type I-converters
   13.1 System characteristics
   13.2 Losses and their effects
   13.3 Noise, vibration and torsional oscillation
   13.4 Motor insulation electrical stresses
   13.5 Bearing currents
   13.6 Additional considerations for six-phase cage
        induction motors
14 Additional considerations for synchronous motors
   fed by LCI
   14.1 System characteristics
   14.2 Losses and their effects
   14.3 Noise, vibration and torsional oscillation
   14.4 Motor insulation electrical stresses
   14.5 Bearing currents
15 Additional considerations for pulsed I-converters (PWM CSI)
   feeding induction motors
   15.1 System characteristics
   15.2 Losses and their effects
   15.3 Noise, vibration and torsional oscillation
   15.4 Motor insulation electrical stresses
   15.5 Bearing currents
16 Other motor/converter systems
   16.1 Drives supplied by cyclo-converters
   16.2 Wound rotor induction (asynchronous) machines
        supplied by I-converters in the rotor circuit
   16.3 Wound rotor induction (asynchronous) machines
        supplied by U-converters in the rotor circuit
Annex A (normative) - Converter characteristics
Annex B (informative) - Converter output spectra
Annex C (informative) - Noise increments due to converter
                        supply
Bibliography
Annex ZA (normative) - Normative references to international
                       publications with their corresponding
                       European publications

Describes the design features and performance characteristics of polyphase cage induction motors specifically designed for use on voltage source converter supplies up to 1 000 V. Also specifies the interface parameters and interactions between the motor and the converter including installation guidance as part of a power drive system.