ErogenousBeef applied a patch for this steam-input problem! Steam tanks in turbines now hold 4000mB, but only pass 2000mB per tick over to be processed, allowing other sources of fluid that update every other tick to still provide maximum power.
On another note, I improved my BR software, and hosted them on PasteBin. In particular, the new version of the Turbine software allows you to manage multiple turbines with a bank of throttle cells, rather than one turbine with one cell. ComputerCraft BigReactor (Active) automatic throttling ComputerCraft BigReactor Turbine automatic throttling