motors .... 3 brake lining wear ... low-voltage squirrel-cage motors for three-phase line supplies

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  • Motors

    Answers for industry.

    ABC of MotorsManual October 2009

  • Related catalogs Low-Voltage Motors D 81.1 IEC Squirrel-Cage Motors Frame sizes 56 to 450 Power range 0.06 to 1250 kW E86060-K5581-A111-A3-7600 High-Voltage Motors D 84.1 Three-Phase Induction Motors H-compact H-compact PLUS E86060-K5584-A111-A1-7600 Three-Phase Synchronous Motors D 86.2 Three-phase synchronous motors based on permanent magnet technology HT-direct 1FW4 E86060-K5586-A121-A2-7600 Industry Automation CA 01 and Motion Control Interactive Catalog (DVD) E86060-D4001-A510-C8-7600 Selection Tool, DT Configurator The selection tool DT Configurator is available in conjunction with the electronic catalog CA 01 on DVD.

    In addition, the DT Configurator can be used in the Internet without requiring any installation. The DT Configurator can be found in the Siemens Mall under the following address: http://www.siemens.com/dt-configurator

    Engineering Tool SINAMICS MICROMASTER SIZER

    The tool permits SINAMICS and MICROMASTER 4 drive families to be engineered in a user-friendly fashion - as well as the SINUMERIK solution line CNC and SIMOTION motion control systems. SIZER encompasses the engineering of the complete drive system and allows simple single-motor drives up to complex multi-axis applications to be engineered. SIZER supports all engineering stages in one workflow: Engineering the line supply infeed Selecting and dimensioning motors and gear

    units, including the calculation of the mechanical transmission elements

    Engineering the drive components Selecting the required accessories Selecting the line-side and motor-side power

    options, e.g. cables, filters, and reactors Results of the engineering process include: A parts list of the required components (export to

    Excel, use of the Excel data sheet for import into VSR)

    Technical data of the system Characteristics Comments on line harmonics Layout diagram of drive and control components

    and dimension drawings of motors Further information can be found on the Siemens Intranet at: http://www.siemens.com/sizer

    http://www.siemens.com/dt-configuratorhttp://www.siemens.com/sizer

  • MotorsABC ofMotors

    Manual October 2009

    We reserve the right to make technical changes.

    Table of contents

    Technology (index)

    Requirements based on specifications

    October 2009 Siemens AG

  • October 2009 Siemens AG

    Answers for industry.

    Siemens Industry answers the challenges in the manufacturing

    and the process industry as well as in the building automation

    business. Our drive and automation solutions based on Totally

    Integrated Automation (TIA) and Totally Integrated Power (TIP)

    are employed in all kinds of industry. In the manufacturing

    and the process industry. In industrial as well as in functional

    buildings.

    Siemens offers automation, drive, andlow-voltage switching technology aswell as industrial software from stan-dard products up to entire industry solu-tions. The industry software enables ourindustry customers to optimize the en-tire value chain from product designand development throughmanufactureand sales up to after-sales service. Ourelectrical and mechanical componentsoffer integrated technologies for the en-tire drive train from couplings to gearunits, from motors to control and drivesolutions for all engineering industries.Our technology platform TIP offers ro-bust solutions for power distribution.

    Check out the opportunities ourautomation and drive solutions provide.And discover how you can sustainablyenhance your competitive edge with us.

  • ABC of Motors

    October 2009 - I - Siemens AG

    Contents

    Technology (index) 1 A ....................................................................................................................................................................1

    Ambient temperature................................................................................................................................1 Anti-condensation heating........................................................................................................................1 Asynchronous generator ..........................................................................................................................1 ATEX ........................................................................................................................................................2 Axial eccentricity.......................................................................................................................................2

    B ....................................................................................................................................................................3 Balancing..................................................................................................................................................3 Bearings ...................................................................................................................................................3 Belt drive ..................................................................................................................................................3 Brake lining wear......................................................................................................................................4 Braking .....................................................................................................................................................5 Built-in motors ..........................................................................................................................................5

    C ....................................................................................................................................................................6 Cantilever force - radial force ...................................................................................................................6 CEMEP.....................................................................................................................................................6 Concentricity.............................................................................................................................................7 Condensation drain hole ..........................................................................................................................7 Converter operation of three-phase motors .............................................................................................7 Cooling types............................................................................................................................................9 Cos.......................................................................................................................................................10 Couplings ...............................................................................................................................................10 Cradle dynamometer..............................................................................................................................11 Critical speed..........................................................................................................................................11 CSA ........................................................................................................................................................12 Cylindrical rotor machine........................................................................................................................12

    D ..................................................................................................................................................................13 Dahlander connection ............................................................................................................................13 Deckwater-proof motors.........................................................................................................................14 Degrees of protection.............................................................................................................................14 Die-cast rotor..........................................................................................................................................15 Dimension drawings...............................................................................................................................15 Direction of rotation ................................................................................................................................15 DURIGNIT IR 2000 ................................................................................................................................16 Duty cycle...............................................................................................................................................16 Duty types ..............................................................................................................................................17

    E ..................................................................................................................................................................19 Effective power at the motor shaft..........................................................................................................19 Efficiency ................................................................................................................................................19 Efficiency classes.......................................................

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