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IMfinity® 3-phase induction motors

IMfinity® 3-phase induction motors
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IMfinity® 3-phase induction motors

Product catalog summary
General Overview: The document is a comprehensive guide on Nidec Leroy-Somer's IMfinity® 3-phase induction motors, focusing on efficiency classes IE2, IE3, and IE4. It covers motors with power ratings from 0.09 to 900 kW and frame sizes from 56 to 450, designed to meet European standards for various industrial applications.
Construction Details: This section details mounting arrangements, mains connection, radial loads, cooling systems, motor connections, bearings, and lubrication. Proper installation and maintenance are emphasized for optimal performance and longevity.
Operational Guidelines: Key operational parameters such as duty cycle, supply voltage, insulation class, temperature rise, starting times, power, torque, efficiency, and power factor are detailed. Noise levels, vibration, and starting methods for induction motors are also covered.
Electrical and Mechanical Data: Specifications for different motor types, including IP55 aluminum and cast iron frames, are provided, covering electrical and mechanical characteristics, dimensions, and optional features.
Installation and Maintenance: Guidelines for installation and maintenance practices are outlined to ensure safe and efficient motor operation.
Appendix: Additional resources such as cable gland support plates, efficiency calculation methods, units of measurement, standard formulae, and a configurator for motor selection are included.
Specifications and Calculations: The document discusses the calculation of nominal lifetime for bearings, lubrication details, duty cycles, and the effects of voltage and frequency variations on motor performance.
Phase Voltage Imbalance: The calculation of phase voltage imbalance is crucial for motor performance, with derating advised as per IEC 60892 standards.
Insulation Class and Temperature Rise: Motors are designed with class F insulation, allowing for specific temperature rises, with special constructions using class H insulation for high-temperature conditions.
Starting Methods and Electronic Starters: Various starting methods for induction motors are outlined, including Direct On Line, star/delta starting, and electronic starters like DIGISTART D2 and D3.
Braking Methods and Asynchronous Generator Operation: Different braking methods and the operation of motors as asynchronous generators are discussed, emphasizing the need for proper voltage and frequency regulation.
Protection Devices and Electrical Characteristics: Recommendations for protection devices based on mains voltage and cable length are provided, along with detailed specifications for terminal boxes and mounting configurations.
Conclusion: Nidec Leroy-Somer's IMfinity® motors are engineered to meet high efficiency and environmental standards, supported by comprehensive certifications and adherence to international regulations. The document serves as a technical guide for understanding the specifications, standards, and certifications associated with these motors.
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Catalog excerpts

IMfinity® 3-phase induction motors-1

IMfinity® 3-phase induction motors IE2 High efficiency & IE3 Premium efficiency and IE4 Super Premium efficiency motors Non IE for current or special use Variable speed and fixed speed Frame size 56 to 450 Power rating 0.09 to 900 kW

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IMfinity® 3-phase induction motors-2

Nidec Leroy-Somer - IMfinity® 3-phase induction motors - 5147 en - 2019.09 /

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IMfinity® 3-phase induction motors-3

Nidec Leroy-Somer - IMfinity® 3-phase induction motors - 5147 en - 2019.09 / i

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IMfinity® 3-phase induction motors-4

Nidec Leroy-Somer - IMfinity® 3-phase induction motors - 5147 en - 2019.09 / i

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IMfinity® 3-phase induction motors-5

IMfinity® 3-phase induction motors - IE2 - IE3 - IE4 - Non IE Efficiency General In this catalogue, Nidec Leroy-Somer describes the IMfinity® new generation induction motors. These motors have been designed to incorporate the latest European standards, and can satisfy most of industry’s demands. They are par excellence the leading products in the Nidec Leroy-Somer range. Other motors, ranging in power from 0.045 to 2200 kW and special construction types, are included in the Nidec Leroy-Somer motor programme. NON IE EFFICIENCY IP 55 ALUMINIUM ON MAINS* HIGH EFFICIENCY IE2 IP55 ALUMINIUM ON MAINS*...

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IMfinity® 3-phase induction motors-6

IMfinity® 3-phase induction motors - IE2 - IE3 - IE4 - Non IE Efficiency General General information Quality commitment Nidec Leroy-Somer’s quality management system is based on: - Control of procedures right from the initial sales offering until delivery to the customer, including design, manufacturing start-up and production - A total quality policy based on making continuous progress in improving operational procedures, involving all departments in the company in order to give customer satisfaction as regards delivery times, conformity and cost - Indicators used to monitor procedure performance...

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IMfinity® 3-phase induction motors-7

IMfinity® 3-phase induction motors - IE2 - IE3 - IE4 - Non IE Efficiency General General information Directive and standards relating to motor efficiency There have been a number of changes to the standards and new standards created in recent years. They mainly concern motor efficiency and their scope includes measurement methods and motor classification. Regulations are gradually being implemented, both nationally and internationally, in many countries in order to promote the use of highefficiency motors (Europe, USA, Canada, Brazil, Australia, New Zealand, Korea, China, Israel, etc). The new...

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IMfinity® 3-phase induction motors-8

IMfinity® 3-phase induction motors - IE2 - IE3 - IE4 - Non IE Efficiency General General information ndards h the sta Standards and approvals mply wit rs co logue Moto LIST OF STANDARDS QUOTED IN THIS DOCUMENT Reference IEC 60034-1 this cata Electrical rotating machines: ratings and operating characteristics Electrical rotating machines: methods for determining losses and efficiency from tests (additional losses added as a fixed percentage) Electrical rotating machines: methods for determining losses and efficiency from tests (measured additional losses) Electrical rotating machines (except traction):...

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IMfinity® 3-phase induction motors-9

IMfinity® 3-phase induction motors - IE2 - IE3 - IE4 - Non IE Efficiency General General information Standards and approvals MAIN PRODUCT MARKINGS WORLDWIDE There are lots of special markings throughout the world. They mainly concern product conformance with current user safety standards in different countries. Some markings or labels only concern energy regulations. The same country can therefore have two markings: one for safety and one for energy. This marking is mandatory throughout the European Economic Community. It means that the product conforms to all the relevant directives. If the...

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IMfinity® 3-phase induction motors-10

IMfinity® 3-phase induction motors - IE2 - IE3 - IE4 - Non IE Efficiency General General information Standards and approvals APPROVALS FOR NIDEC LEROY-SOMER MOTORS (versions derived from standard construction) Country Standard adapted range (see section “Supply voltage”) Complete motors Impregnation systems Stator/rotor assemblies for sealed units Complete motors Sealing, shocks, safety For approved special products, see the relevant documents. Nidec Leroy-Somer - IMfinity® 3-phase induction motors - 5147 en - 2019.09

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IMfinity® 3-phase induction motors-11

IMfinity® 3-phase induction motors - IE2 - IE3 - IE4 - Non IE Efficiency General Environment Definition of «Index of protection» (IP) INDEXES OF PROTECTION OF ELECTRICAL EQUIPMENT ENCLOSURES In accordance with IEC 60034-5 - EN 60034-5 (IP) - IEC 62262 (IK) 1st digit: protection against solid materials Protected against solid objects larger than 50 mm (e.g. accidental contact with the hand) Protected against sold objects larger than 12 mm (e.g. a finger) Protected against solid objects larger than 2.5 mm (e.g. tools, wires) Protected against solid objects larger than 1 mm (e.g. thin tools, small...

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IMfinity® 3-phase induction motors-12

IMfinity® 3-phase induction motors - IE2 - IE3 - IE4 - Non IE Efficiency General Environment Environmental limitations ACCORDING TO IEC 60034-1, MOTORS CAN OPERATE IN THE FOLLOWING NORMAL CONDITIONS: • ambient temperature within the range -16°C to +40°C • altitude less than 1000 m • atmospheric pressure: 1050 hPa (mbar) = (750 mm Hg) POWER CORRECTION FACTOR For operating conditions outside these limits, apply the power correction coefficient shown in the chart on the right while maintaining the thermal reserve, as a function of the altitude and ambient temperature. NORMAL STORAGE CONDITIONS In...

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IMfinity® 3-phase induction motors-13

IMfinity® 3-phase induction motors - IE2 - IE3 - IE4 - Non IE Efficiency General Environment Impregnation and enhanced protection NORMAL ATMOSPHERIC PRESSURE (750 MM HG) The selection table below can be used to find the method of manufacture best suited to particular environments in which temperature and relative humidity show large degrees of variation (see relative and absolute humidity calculation method, on preceding page). The symbols used refer to permutations of components, materials, impregnation methods and finishes (varnish or paint). The protection of the winding is generally described...

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IMfinity® 3-phase induction motors-14

IMfinity® 3-phase induction motors - IE2 - IE3 - IE4 - Non IE Efficiency General Environment Heaters SPACE HEATERS Severe climatic conditions, e.g. T amb < - 40°C, RH > 95% etc, may require the use of space heaters (fitted to one or two winding end coils) which serve to maintain the average temperature of the motor, provide trouble-free starting, and/or eliminate problems caused by condensation (loss of insulation). The heater supply wires are brought out to a terminal block in the motor terminal box. The heaters must be switched off while the motor is running. D.C. SUPPLY INJECTION HEATING An...

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