
Lift engine , Iran
The gearless elevator traction machine utilizes an interior permanent magnet synchronous motor PMSM design. Output power ranges from 10 to 75 kW with rotational speeds of 80 to 250 RPM. Energy efficiency is guaranteed at 96.5% under IEC 60034-30 Class IE5 standards. Continuous torque varies from 600 to 5000 Nm, designed to handle 220% overload for 30 seconds. A closed-loop oil cooling system maintains winding temperatures below 110°C. Operational noise levels measure below 48 dB at one meter distance per ISO 4871.
The motor structure includes a Class H insulated stator, N52EH-grade neodymium magnet rotor, and SKF bearings rated for 250,000 hours. An integrated Variable Frequency Drive VFD with Field-Oriented Control FOC achieves ±0.75 mm stopping accuracy. A dual safety brake system activates with 400–4000 Nm braking torque within 60 milliseconds. Embedded sensors comprise three PT100 temperature sensors, a 22-bit optical encoder, and a triaxial MEMS accelerometer. These motors are optimized for 400–480V three-phase power supply at 50/60 Hz frequency. All units are tested and certified per safety standards EN 81-20/50 and ISO 22201-1.You can order and buy Lift engine from Iran by contacting us through whatsaap and email.
WEBSITE: Lift engine Iran
Impact of Elevator Motors on Building Energy Consumption
The elevator motor is one of the primary consumers of electrical energy in medium and high-rise buildings. Selecting a motor with high efficiency IE4 or IE5 can save up to 30% in annual electricity consumption. Gearless motors have higher efficiency than geared motors due to the elimination of mechanical losses. Regenerative Drive systems feed braking energy back into the buildings power grid. Intelligent traffic management reduces consumption by minimizing empty trips and optimizing movement schedules. Overload conditions and incorrect voltage settings can significantly increase energy usage. Periodic maintenance lubrication, brake adjustment prevents a decline in motor efficiency. Overall, optimizing the elevator motor plays a key role in the buildings green energy rating LEED, BREEAM.

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