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Conference Proceedings

Annual Conference, Townsville

Conference Proceedings

Annual Conference, Townsville

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Conveying 150 000 Tonnes Per Day Per Multi Motor Drive Using Variable Frequency Start-up

The design and selection of components for belt conveyors is a well known procedure and many handbooks, catalogues and design manuals offer a wide range of detailed information which can be applied to most of the known conveyor problems. The aim of this paper, however, is to investigate the various methods of conveyor drive configurations, and incorporate the latest technical achievements in the control systems, particularly for high capacity conveyor systems carrying ore from pit to processing plants where the lowest maintenance, operating and initial costs are of major importance. Past experience has proven that multi pulley drives can reduce initial capital cost of a conveyor; this leads to the need for better torque control during startup, running, stopping and load sharing. Many methods of torque control are available and have been used in the past. All types have their advantages and disadvantages and must be considered when designing a conveyor or conveyor system. However the recently developed solid state electronic soft start controls utilising AC squirrel cage induction motors are gaining acceptance, especially for a conveyor system where the same control and logic system can be used to transmit startup commands to more than one
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  • Conveying 150 000 Tonnes Per Day Per Multi Motor Drive Using Variable Frequency Start-up
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  • Published: 1978
  • PDF Size: 0.583 Mb.
  • Unique ID: P197804007

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