Furthermore, because of its simplicity, a Jhai PC can be powered by a car battery charged with bicycle cranks — thus removing the need for a connectiontothegrid.
You don't need to write any database connect statements. OGSA-DAI executes the appropriate database connection for you behind the scenes when creating the Grid data Service.
The paper described a multi-pole waveform absorbing filter used in thegrid for series or parallel connection, to control thegrid pollution to a certain extent and save the power consumption.