© ABB AB/Mining, 3BSE August 13, 2015 | Slide 1 Introducing Underground Mining CoE Underground Mining 2009

© ABB Group August 13, 2015 | Slide 2 CoE Underground Mining What we offer We offer customized solutions for:  Complete mine hoists - both mechanical and electrical  Leading edge control and drive systems  Electric trucks, mine automation and mine electrification  Consultancy and expert services More than 60 years of experience in mining industry

© ABB Group August 13, 2015 | Slide 3 CoE Underground Mining Complete mine hoists Complete mine hoist solutions  Advanced control systems  State-of-the-art drive systems  Robust mechanical solutions  Reliable brake systems  After sales services

© ABB Group August 13, 2015 | Slide 4 CoE Underground Mining Advanced control systems  Seventy years of experience  >600 hoist delivered to >30 countries  State of the art control system based on ABB industrial controller AC800M  Efficient functionality for safe and reliable operation of hoist  Dual safety circuit connected with safety relays controlling safety brake and drive converter HSI ( Human – Machine Interface)  Multi Language English Russian Chinese Can be changed in run-time  First Fault Functionality  Extensive Error Handling

© ABB Group August 13, 2015 | Slide 5 CoE Underground Mining State-of-the-art drive systems  Unique and well-proven drive technology  >50 modern MV drive systems sold for mine hoists – more than 20 in operation  Network friendly, high efficiency power train  Low harmonic generation  No reactive power consumption  Low voltage drop  Ability to operate on weak network

© ABB Group August 13, 2015 | Slide 6 CoE Underground Mining Robust mechanical solutions  Well proven design philosophy  Infinite life time  Dedicated strength and brake calculation for each hoist  FE support for development and special investigations

© ABB Group August 13, 2015 | Slide 7 CoE Underground Mining Reliable brake systems  Safety what ever happens  Safety through redundancy:  Two brake discs  Brake units are spring applied, hydraulic released  Multiple brake units  Two hydraulic stations  Each station has two hydraulic circuits  Electric control has two independent cicuits

© ABB Group August 13, 2015 | Slide 8 CoE Underground Mining After sales services  Competence from Center of Excellence  Remote diagnosis from the headquarters  Service agreements  Upgrades, spare parts, consultancy and training  Worldwide network with local service engineers

© ABB Group August 13, 2015 | Slide 9 CoE Underground Mining R&D: Hoist laboratory The only lab of its kind in the world  Research & development  Training facilities  Show room

© ABB Group August 13, 2015 | Slide 10 CoE Underground Mining References: LKAB Kiruna, Sweden LKAB Kiruna new transport level at 1345 m  Production 26.5=>33 Milj ton/year  Two-stage hoisting m  Four new 5600 kW DTC Drives  One New hoist  Totally 5+7= 12 production hoist.  Fully automatic production from train loading pocket to unloading pocket in the head frame

© ABB Group August 13, 2015 | Slide 11 CoE Underground Mining References: LKAB Kiruna, Sweden  Overview of project and ABB’s delivery  Rebuild of 4 mine hoists from DC-technology to AC-technology plus 1 optional new hoist with same AC-technology, all at sub-vertical level (underground 740 – level)  Energy efficiency impact  Motor and drive operating at power factor = 1  Low Voltage drop, so that hoists can be started at same time  Less transformer power required  Low level of harmonics  Higher efficiency  Customer benefits  Less energy consumption  Less space required

© ABB Group August 13, 2015 | Slide 12 CoE Underground Mining References: Mosaic K2 Production Hoist: Canada Old mechanics and drive system are replaced with new systems from ABB

© ABB Group August 13, 2015 | Slide 13 CoE Underground Mining References: Mosaic K2 Production Hoist: Canada Main data  Pulley 5.95 m  kW motor  DTC  1009m hoisiting distance  2 x 45 ton payload  1760 tph, 18.3 m/s  Potash

© ABB Group August 13, 2015 | Slide 14 CoE Underground Mining References: Newcrest Telfer Gold Mine, Australia Main data :  1100/1450 m  Skip/Skip  Payload 34.5/ 45 Ton  Rope Speed 16.25/ 19 m/s  5600/2x5600kW  Motor power 5600/ 2x5600 kW  DTC- converter Turn key mine including skips and other shaft equipment

© ABB Group August 13, 2015 | Slide 15 CoE Underground Mining References: Newcrest Telfer Gold Mine, Australia Telfer installation initial stage single motor kW

© ABB Group August 13, 2015 | Slide 16 CoE Underground Mining References: Tunliu service hoist Main data  Hoisting distance:559  Cage/cage  Pulley diameter:4.0m  Payload:10.7 ton  Rope speed:8.8m/s  Power:1300 kW  DTC converter

© ABB Group August 13, 2015 | Slide 17 CoE Underground Mining References: Tunliu service hoist Main features with DTC  Low Harmonic Generation  No Reactive Power Consumption  Low Voltage Drops  Ability to operate on weaker network  No filters required for power factor correction & harmonic suppression  No DC-Breakers required  No Fuses required  Fewer transformers required  Less transformer power required  Fewer power cables required  Faster and more accurate control  Smaller footprint - Lower cost for head frame/winder house

© ABB Group August 13, 2015 | Slide 18