A trolley assist system enables electric-motor haul trucks to bypass their diesel generators and receive clean power directly from the overhead power line. While going up the ramp, the truck's engine is idle – still technically …
The trolley assist system is a configuration that allows for maintaining electrical supply to the propel motors of the extraction trucks from the electric grid of the mine, by engaging the truck on the trolley lines as shown in …
The system is engineered to provide power and energy efficiency during uphill haulage operations by connecting your haul trucks to an overhead power line.For those mining operations with significant uphill haulage, the trolley assist system can supply the electric power needed to support effective and efficient travel on steep grades.
Trolley assisted haulage involves feeding power to haul trucks from overhead lines. Trolley assist performance is defined by a separate Trolley Assist Rimpull curve in the Trucks > Model step.. Segments have a trolley property which can be toggled on or off for haul calculations.
What is a trolley-assist haulage system? Trolley Assist is a system in which haul trucks in open pit mines are propelled by electric energy along a designated haul road …
A steep journey towards all electric mines and trolley lines for haulage trucks as an intermediate phase Mining Tech Talks - Webinar on Demand The mining industry seeks ways to save costs and reduce emissions, but the route to an all-electric mine remains a steep climb.
Reduction fuel consumption presented I II II 132 216 276 Classic diesel-electric AC Trolley assisted drive drive Total consumption fuel for Total consumption fuel for Total consumption electr. transportation instant. mass transportation …
Trolley assisted haulage involves feeding power to haul trucks from overhead lines. Trolley assist performance is defined by a separate Trolley Assist Rimpull curve in the Trucks > Model step. Segments have a trolley property which can be toggled on or off for haul calculations.
The intention for trolley-power is that the electrical power being drawn to move the haul truck is generated from cleaner source than that of the diesel engine. NOW HIRING! Explore a Career at SMS Equipment. ... From telematics to autonomous haulage to machine control, our technology experts will help you find a smarter and more efficient way ...
Preliminary assessment of trolley-assisted haulage at Palabora Mining Co. Ltd. of South Africa at the site of their open-pit copper mine indicates that a 22% reduction of fuel consumption and a saving of 16 million liters of diesel oil would be attained during 1982. The benefits are traceable to the completion in October, 1981, of a 1,200-V overhead trolley on selected, plus-8% ramps for ...
The document discusses the understated benefits of trolley assisted haulage for mining operations. Major benefits include: - Increased productivity through higher haulage speeds and less downtime. Trolley systems allow trucks to operate at …
Toward that end, the company has selected ABB for the construction of a truck trolley assist system at its mine near Princeton, B.C. ABB is a world leader in electrification and automation for the mining industry. The …
Photos of trolley assisted haul trucks. Trolley Photographs ... This trolley system collected power from an overhead busbar using a trolley pole arrangement. Trolley trucks included KW Dart 85 ton, Unit Rig M85 (85 ton), and Unit Rig M100 (100 ton) trucks. ... the Sishen mine was operating a trolley haulage fleet consisting of 32 730Es ...
The trolley-assist system uses an overhead catenary line to transfer cleaner electric power directly to the wheels of a diesel-electric haul truck. When the trolley-assist mode is engaged, the truck's diesel engine is bypassed entirely.
S. Nurić et al. / JMM 45 A (1) (2009) 78 - 87 85 speed increases because the trolley line can supply more power than existing diesel engines on two AC traction wheel motors. For EH4500 that means ...
One of the primary contributors to carbon emissions within mining operations is the haulage of materials, a process heavily reliant on diesel-fueled transportation systems. ... highlighting potential reductions in fuel as the proportion of the trolley-supplied power increases. thus taking the place of a diesel engine. It is noteworthy, however ...
He developed a trolley car power system that operated a short rail line at the Chicago Industrial Exposition in the years 1882-1883. ... Copper Corporation at Chino, New Mexico, conducted the first feasibility study and prototype test of trolley-assisted large mining trucks. ... The Grootegeluk mine was operating a trolley haulage fleet ...
Preliminary assessment of trolley-assisted haulage at Palabora Mining Co. Ltd. of South Africa at the site of their open-pit copper mine indicates that a 22% reduction of fuel consumption and a saving of 16 million liters of diesel oil would be attained during 1982. The benefits are traceable to the completion in October, 1981, of a 1,200-V overhead trolley on selected, plus-8% ramps for ...
Epiroc has added dynamic charging to its proven battery-electric Minetruck MT42 SG and battery system, and the trolley solution is equipped with ABB's DC converter, HES880 inverters and AMXE motors to enhance the …
Figure 2 - Basic Components of a Trolley-Assisted Haul Truck. ... Now assume that the truck climbs the same grade under trolley power, as illustrated in figure 4. Heat will be generated at the same rate because motor current is the same. ... In summary, trolley assist is reducing haulage costs at Barrick Goldstrike by increasing truck ...
Flow chart of calculation parameters complex shovels - trolley assisted trucks from publication: HAULAGE SOLUTIONS WITH TROLLEY ASSIST DIESEL-ELECTRIC AC TRUCKS ON THE PIT MINE RMU BANOVICI | This ...
Trolley-assisted haul roads remain a pivotal part in the production process of the mine that utilizes trolley-assisted trucks. One great benefit trolley-assist trucks ... "We are proud to be the first open-pit mine to commission electric-trolley assist haulage in North America," Copper Mountain President and CEO Gil Clausen said.
SINGLE TRUCK VALUES (referenced from the point the power is taken off the trolley line) Maximum Trolley Power Draw 4,500 kW Operating Voltage range 2,150 – 2,800 VDC Full Power Voltage Range 2,450 – 2,800 VDC Full Power Current Range 1,836 – 1,636 ADC Reduced Power Voltage range 2,150 – 2,450 VDC
's trolley assist system can help your mining haul trucks: Travel uphill nearly two times faster* Burn up to 70% less fuel* Control carbon emissions; Extend engine life; Build a foundation for a zero-emissions future *Compared …
The electric assist option for diesel-electric trucks can improve truck productivity while maintaining the inherent flexibility of a truck and shovel operation. In addition, the resulting cost reductions offer a rapid investment payback for many mine situations. A review of the present technology and performance experiences verify the projected benefits in productivity and operating cost. New ...
Longer hauls and steeper grades present an opportunity for trolley assisted haulage. Typical truck payload requires a huge power source (around 2,200 kW) that has to be efficiently used. …
Conversion to trolley assist is a means of minimizing diesel fuel consumption, which in many mining situations offers a rapid payback of capital investment plus the inherent flexi- bility and …
The trolley-assist operation to be installed in the spring of 2022 is the first of its kind in North America, and it uses clean and renewable hydroelectric power to reduce diesel emissions.
The trolley assist system is a configuration that allows maintaining electrical supply to the propel motors of the extraction trucks from the electric grid of the mine, by engaging the truck on the trolley lines as shown in the …
The zero-emissions mine truck will be joined by a trolley pantograph, which in turn is connected to an overhead contact power line." ABB's contribution includes design of electric trolley truck systems, definition of …
