ABB低压电机使用手册-安装、操作、维护和安全手册-英文版IEC.pdf

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ABB低压电机使用手册-安装、操作、维护和安全手册-英文版IEC.pdf

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Low voltage motors Installation, operation, maintenance and safety manual Installation, operation, maintenance and safety manual EN 3 More languages – see web site /motorsgenerators Motors Document library Low voltage motors Installation, operation, maintenance and safety manual Contents Page 1. Introduction 5 1.1 Declaration of Conformity 5 1.2 Validity 5 2. Safety considerations 5 3. Handling6 3.1 Reception 6 3.2 Transportation and storage 6 3.3 Lifting 6 3.4 Motor weight6 4. Installation and commissioning7 4.1 General 7 4.2 Motors with other than deep groove ball bearings 7 4.3 Insulation resistance check 7 4.4 Foundation7 4.5 Balancing and fitting coupling halves and pulleys 8 4.6 Mounting and alignment of the motor8 4.7 Radial forces and belt drives 8 4.8 Motors with drain plugs for condensation 8 4.9 Cabling and electrical connections 8 4.9.1 Connections for different starting methods 9 4.9.2 Connections of auxiliaries 9 4.10 Terminals and direction of rotation 9 5. Operation 10 5.1 General 10 Low voltage motors manual, 3GZF500730-85 Rev. G 07-2016 | ABB Motors and Generators 3 6. Low voltage motors in variable speed operation 11 6.1 Introduction11 6.2 Winding insulation 11 6.2.1 Selection of winding insulation for ABB converters 11 6.2.2 Selection of winding insulation with all other converters 11 6.3 Thermal protection 11 6.4 Bearing currents11