Description
Oi, der Außerirdische formatIsbn:Hardcover 9783990486269 4 The course in 4 The course in theory and practice abstract: The project was to convert the control of three boiler feed water pumps to Variable Voltage Variable Frequency (VVVF) drives having a capacity of 750 m3 H @ 220 Kg Cm2 pressure and power rating of 6200 KW each