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Southern Manufacturing

Farnborough, Hants(GU14 6TQ)

20/04/2021 - 22/04/2021

Southern Manufacturing and Electronics is the most comprehensive annual industrial exhibition in the (more)

PPMA Show 2021

NEC, Birmingham(B40 1NT)

28/09/2021 - 30/09/2021

PPMA Show 2021 will be the UK’s largest ever event dedicated to state-of-the-art processing and (more)

Advanced Engineering 2021

NEC Birmingham(B40 1NT)

03/11/2021 - 04/11/2021

Join us in our 12th and most important edition to date, as we invite engineers and management from all (more)

High efficiency DC motor for operation in harsh conditions

High efficiency DC motor for operation in harsh conditions Astrosyn has delivered the first of an advanced design of permanent magnet DC motor operating at very high efficiency. The motor was developed for driving an air-conditioning compressor for a tracked vehicle. Required for use in harsh environmental conditions, the motor has to operate in a confined space at high ambient temperatures and in a dusty atmosphere. To meet these requirements, a high efficiency design was essential, with low losses and a low input current. The design incorporates rare-earth permanent magnets, low-loss lamination steel and novel designs in the windings and construction. These features enable the 3.0kW, 28V DC motor to achieve an impressive 87percent efficiency at a rated speed of 2500 rpm and output torque of 11.3 Nm. For short periods the motor can provide an output power of 6.0 kW at 85% efficiency.

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