Steam Turbine Generator has the following specifications:
OUTPUT 88,500 kVA
VOLTAGE 11,000 V
CURRENT 4645 A
Ex. VOLTAGE 320 V
Ex. CURRENT 820 A
INSULATION CLASS F
STANDARD IEC 60034-3 (2005)
RATING CONT.
PHASES 3
POWER FACTOR 0.8
FREQUENCY 50 Hz
SPEED 3,000 rpm
MOMENT OF INERTIA(GD2) (10.0...
Three induction motors with rating 6kV, 500kW, 60A, Class F. Each coupled with a Centrifugal Pump of Hydraulic Power 470kW. Motors are running at ambient temperature of 45 deg C. Each motor winding temperature reaches at 145 deg C but the current is 55A. Motor drive-end bearing temperature is 90...
I am an electrical engineer in a combined cycle power plant. I am nowadays involved in the undervoltage settings calculations of MV and LV Buses Changeover breakers.
The existing undervoltage settings of the LV and MV incoming breakers and the Changeover (Bus Coupler) breakers are as follows:
MV...
