Acceleration. The load is accelerating but there still is a comparatively large difference between impeller and turbine speed. Under this condition, the converter will develop torque multiplication that may be under what could be obtained beneath stall ailments. Torque converters are available in Just about all cars with computerized transmissions. https://torqueconverterclutch97408.bloggerswise.com/41351440/the-smart-trick-of-torque-converter-clutch-that-no-one-is-discussing