Alberta to introduce ‘modern’ coal policy, including ban on new open-pit projects
The new policy will not affect those qualified as "advanced coal projects" such as the controversial Grassy Mountain mine.
ATB Morley says the 11 kV motor it recently supplied to Xstrata Coal “is the very first of its kind; historically most large electrical motors supplied for underground coal mining have been manufactured suitable for a maximum voltage of 3,300 V. [This] motor weighing in at 10 t currently stands as the largest underground mining motor in the world.” (more…)