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PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration
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Catalog excerpts

PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration - 1

PLSES 4500 IMfinity® Platform IP23 high-speed induction motors Industrial refrigeration Variable speed Frame size 225 to 315 100 to 480 kW

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PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration - 2

PLSES 4500 The answer to the highly demanding cold storage sector Companies that use industrial refrigeration equipment have long been aware of the impact that the power consumption of a refrigeration installation can have both on energy bills and on the environment. The cold compressor, at the heart of the system, remains the most energy-consuming element, and can represent up to 80% of total consumption. OEMs or integrators seek to reduce drastically the power consumption of their machines while maintaining maximum levels of reliability. The use of high-efficiency motors combined with...

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PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration - 3

Dedicated to high speed • Tested and qualified Designed to operate at variable speed, the PLSES 4500 has been tested and qualified with Leroy-Somer Powerdrive MD2 high-power variable speed drives, guaranteeing optimum electrical and mechanical performance, obtained thanks to the use of components selected to work together. • Rated torque across the entire continuous duty speed range PLSES 4500 motors deliver their rated torque over a range from 1000 to 4500 rpm, offering notable power gains at the refrigeration compressor output. • Quality of the rotating components The choice of robust...

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PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration - 4

PLSES 4500 Major assets Robust mechanics • Robust design based on simulations and tests • Machining of complete stator on mandrel for perfect concentricity from magnetic motor axis • Rigorous balancing for reduced vibration levels (class A across the entire speed range) Bearings suited to variable speed • Insulated non-drive end bearing (NDE) to avoid shaft currents (insulated DE bearing optional) • Longer service life and lubrication intervals Rotating components protection • Grounding ring as standard for redirecting shaft currents • High protection of the motor and driven machine bearings

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PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration - 5

Easy wiring • Large terminal box for easier access and safer connections • Connecting bar and grounding braids in terminal box for eliminating HF interference Improved cooling Complete optimisation of the motor cooling system to: • reduce losses • prevent hot spots and excessively high temperatures in the bearings • minimise noise levels Optimised characteristics • Electric core designed and characterised to work with a speed drive • Magnetic circuit optimised to reach IE3 efficiency class Thermal and mechanical protection • PTC sensors included in winding as standard. Other sensor...

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PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration - 6

PLSES 45 Rated torq from 1000Electric specifications of motor and associated speed drive The PLSES 4500 high-speed induction motor associated with the ready-to-use variable speed drive Powerdrive MD2 is a perfect solution for the refrigeration sector. The motor and drive performances have been validated by our technical services, and benefit from all the Leroy-Somer expertise, in terms of both electric motor and frequency inverter. Power supply: 400V three phase, 50 Hz - Speed drive switching frequency: 2.5 kHz; Ambient temperature: < 40°C (2) Powerdrive MD2MS: wall-mounting speed drive;...

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PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration - 7

Rated torque from 1000 to 4500 rpm All PLSES 4500 motors benefit from a rated torque across the 1000 to 4500 rpm speed range with no derating in continuous duty (S1). Torque curves Torque (N.m) Couple (N.m) 615 N.m - PLSES 315 L 552 N.m - PLSES 315 M 509 N.m - PLSES 315 SU

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PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration - 8

Main dimensions Type - Symbol M N D T n a° S LA (1) IM 2001 (IM B35) form as standard. For frame sizes > 250 used in IM B5 (IM3001), please contact us. * LB1: dimension for PLSES 315 LU 480 kW motor. ** AC: Housing diameter without lifting rings.

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PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration - 9

Drive dimensions Powerdrive MD2MS (wall-mounting version) Ratings H W D Weight These dimensions and weights correspond to a Powerdrive MD2S without options. The following options can be added to the Powerdrive MD2S without altering its size: emergency stop, communication and additional input/output modules. For more precise information depending on the options, please use the Configurator: http://configurateurls.leroy-somer.com

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PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration - 10

PLSES 4500 For surprise-free operation Thermal reserve across the entire speed range PLSES 4500 Variable speed motors Leroy-Somer machines are designed with a class F winding insulation system with a class B temperature rise. This results in a thermal reserve of 25 K: • Winding lifetime doubled for a reduced ΔT of 10K • Possible overload of 10% • Variable speed operation without derating Fixed speed induction motors (with soft starter) 15 *Coefficient of performance = cooling power / power consumption F Insulation class Classe d’isolation Tmax of overheating at hot spotsaux points chauds...

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PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration - 11

Optimised connection for high power To facilitate the commissioning and wiring, the PLSES 4500 terminal box layout and dimensions are adapted to the motor power. • Generously-sized terminal boxes • Connection to stepped copper bars as standard (3 levels) from 330 kW • Accessible earthing bar and prewired grounding braids to simplify customer wiring and facilitate earthing according to best practices Shielded motor cable recommendations • Benefits Shielding of the power conductors is a preferred method that enables the common mode currents to return to their point of origin without...

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PLSES 4500, IP 23 high-speed induction motors for industrial refrigeration - 12

www.leroy-somer.com Let's stay connected: twitter. com/Leroy_Somer_en facebook.com/leroysomer.nidec.en youtube.com/user/LeroySoirierOffidel linkedin.com/company/leroy-somer □ n □ Linked E3 © 2018 Moteurs Leroy-Somer SAS. The information contained in this brochure is for guidance only and does not form part of any contract. The accuracy cannot be guaranteed as Moteurs Leroy-Somer SAS have an ongoing process of development and reserve the right to change the specification of their products without notice. Moteurs Leroy-Somer SAS. Headquarters: Bd Marcellin Leroy, CS 10015, 16915 Angouleme...

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