Utilities want to hook up the 1.8-megawatt machines to the grid in the middle of cities (to save the energy otherwise lost in transit), so they need to run clean.

The LOGGING constant in Listing 1 should be TRUE if you want this logging to work, but leave it FALSE when it is running on the cell phone, as the performance hit can be significant.

And the accumulator is a passive system that just operates automatically based on a significant loss of pressure in the primary system.