PROJECTS
Crane Modernization
Crane Modernization in Steel Plant
Slip Ring Replacement with High-Efficiency AC Motor + AFE Drive
A major overhead crane operating in a steel plant is entering its next chapter. The existing slip ring hoist motor is being replaced with a modern K315L-6 AC motor, paired with an Active Front End (AFE) drive and encoder feedback—offering substantial improvements in performance, safety, and energy recovery.
The upgrade delivers:
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Smoother motion and precise control through vector-based speed regulation
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Higher efficiency and reduced harmonics via AFE drive technology
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Regenerative capability, allowing energy to be fed back to the grid during lowering operations
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Improved power quality, which supports system stability and reduces stress on the electrical infrastructure
Due to tight installation space, the new motor is equipped with a custom axial forced cooling system to ensure optimal thermal management without increasing the motor footprint—making it ideal for enclosed, high-demand environments like steel plants.
Key Specs:
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Motor: K315L-6
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Cooling: Axial forced ventilation system
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Drive system: AFE + Encoder
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Application: Hoisting operation in steel production
This upgrade is a perfect example of next-generation engineering, built to extend equipment life, improve control, and reduce operational costs in a heavy industrial setting.