Megadyne V-ribbed belts are endless rubber or polyurethane belts with longitudinal V-shaped grooves. They transmit the motor power by friction from the driver to the driven side of the machine.
PV belts provide high flexibility and great power performance as they combine the benefits of flat and V belts. Due to the use of high-quality components and the variety of belt cross sections, Megadyne PV belts can be used in a wide variety of drive applications.
Invinity to build 20MWh flow battery in UK
A surprising comment for someone who (I think you´ve said in the past) worked in the industry. National Grid have a variety of reserve service schemes...