This review paper is the first of its kind information source provider for mine winder drives to be useful for researchers, designers and application engineers in the mining industry. Keywords: Mine hoist drives, induction motor, DC motor, inverter, cycloconverter, AFE.
Application: DC-motor as drive for a mine winder in a copper mine. The new motor replaced a 70 year old British DC-motor. Power: 1,640 kW. Speed: 20-285 rpm. Weight: 22,140 kg. DC-motor as main winder for a mine. Application: Motor replaced an old motor from 1977 and is mounted on winder shaft in a coal mine.
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Marthinusen & Coutts recently performed a comprehensive on-site repair of a large DC winder motor at Konkola copper mine in Zambia. The 8,250 kW motor, which is one of the largest slow-speed DC motors in operation worldwide, was acquired by Konkola from a South African gold mine several years ago ...
ISG offers DC Mine Winders with special DC Motors made by Hardwar Plant with Overhung design. These winders will have the following state-of-the-art features. Thyristor Converters with Speed and Position Control for jerkless stopping at the preselected landing.
Apr 22, 2010· In most sectors of the economy, time is money. That is why repairs to key equipment must happen at high speed. Due to the size and nature of mine winders, it is generally only possible to work on them when the whole plant is shut down.
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In underground mining a hoist or winder is used to raise and lower conveyances within the mine shaft.Modern hoists are normally powered using electric motors, historically with direct current drives utilizing Ward Leonard control machines and later solid-state converters (), however modern large hoists use alternating current drives that are …
ABB's mine hoists are powered by reliable AC or DC motor drive systems, operating either directly or through a gearbox or flexible coupling. In order to minimize stress in the ropes the drive systems are designed to give smooth changes in motor torque and speed.
The invention provides a control system for an electric motor arranged to drive a rope drum of a mine winder or a hoist system which includes a conveyance supported by a rope and which forms an oscillating system. The control system includes load sensor which monitors the load in the rope and a rope length sensor which monitors the length of rope paid out from the rope drum.
Dec 27, 1994· The invention provides a control system for an electric motor arranged to drive a rope drum of a mine winder or a hoist system which includes a conveyance supported by a rope and which forms an oscillating system.
This type of machines lends itself admirably to duties requiring fine speed control during acceleration and retardation in forwards and reverse directions such as in mine winder or rolling mills. There are, in fact, two common methods in use for obtaining the variable d.c. voltage for speed control of the d.c…
Watercooled DC Converter Mine Winder February 2013 – May 2013 Designed, Manufactured and Installed new DC mine winder system comprising new 550 V distribution, safety circuit and water cooled DC converter rated 500V x 2050 A DC.
DC-motor for mine winder Driving Motors, Electric Motors, Electrical Motor Constructon, Engine Construction, Engine Technology, Direct Current Motors, Main Drive Motors, High Performance Engines, Special Motors, Direct Current Drive, Special Direct Current Motors, Motors, Special Electro Motors, Mining Engines, Direct Current Machines ...
Mine Winder for Turkish Mine. phil. ... The winding motor itself is a 1500Kw DC machine and is capable of winding 90 men at a speed of 30mph vertically through the mine shaft. It goes without saying that multiple safety and monitoring systems are employed to provide a high integrity system. Interfaces to multiple monitoring and protection ...
winder', MDG 2005 'Electrical technical reference for the approval of power winding systems' and MDG 26 'Guideline for the examination, testing and discard of mine winder ropes'. The guideline is provided in seven parts.
NSW CODE OF PRACTICE | WHS LEGISLATION . Mine shafts and winding system s . Draft for public comment . 8 October 2015 . This code applies to all mines other than underground small gemstone mines, opal mines and
Chris Grove Mine Winder Sevices . ... Mine Winders. Supply only of AC and DC motors and M-G sets through to engineering, supply and installation of complete winder systems up to 3850kW. A South African deep level gold mine has a double drum winder. Vescoflex, ...
Lift your productivity in a safe way . ABB has the unique capability to design, supply, install and provide long-term service and support of entire mine hoist mechanical and electrical systems, including friction hoist, single and double drum hoists as well as Blair multi-rope hoists.
The existing Palabora Mine, situated at the town Phalaborwa in the Northern Province of South Africa, is an open pit operation producing mainly copper. The open pit is ... converter coupled to the DC winder motor. A thyristor panel includes the excitation equipment. Braking system
DC mine-winder motor repair EE Publishers. on the safe maintenance and operation of mine winders, the large and critical, DC mine-winder motor repair Information ... Get Price Online Find Quality Mine Winders in Queensland, Western Australia