Group: Nidec
Catalog excerpts
PLSES 4500 IMfinity® Platform IP23 high-speed induction motors Industrial refrigeration Variable speed Frame size 225 to 315 100 to 480 kW
Open the catalog to page 1PLSES 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...
Open the catalog to page 2Dedicated 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...
Open the catalog to page 3PLSES 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
Open the catalog to page 4Easy 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...
Open the catalog to page 5PLSES 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;...
Open the catalog to page 6Rated 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
Open the catalog to page 7Main 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.
Open the catalog to page 8Drive 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
Open the catalog to page 9PLSES 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...
Open the catalog to page 10Optimised 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...
Open the catalog to page 11www.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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