Littelfuse and Epitron Help Newmont Mining Find Gold MP8000 Motor Protection Relays Protect Newmont’s Water Pumps
■If you think of gold only for its use in jewelry, then you are not considering its broad applications. Gold is a critical electrical connection material in electronics and in battery contacts. Gold has important uses in implanted medical devices. Gold is even used in heat shields that protect satellites.
■Supplying gold requires extraction from the earth, and that is the work of mining companies such as Newmont Corporation, one of the world’s leading gold mining companies. Newmont’s headquarter is located in Denver, Colorado, US and has gold mines in North America, South America, Africa, and Australia.
■Newmont electrical engineering managers in Timmins, Ontario, were looking for a better solution for their mine water removal pumps, which are supposed to shut off when there is no water to cool them. The pumps have a shut-off switch activated by a float. In mine environments, mud can cause the float to stick, causing pump motors to fail by running dry, overheating, and burning up. This mine uses pump motors as large as 50 hp; their replacement is expensive, as is downtime from flooding.
■To address high-cost pump failures, the electrical engineers asked Epitron Inc., a local electrical distributor and manufacturer of motor control panels, to find a solution
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Case Study |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2020/11/3 |
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Rev: 092320 |
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PF357 |
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430 KB |
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