Rengali
H.E Project

Rengali (Water Turbine)

Number	5 (Five)
Type	Kaplan Vertical
Make	BHEL,India
Net Head	Maxl. Head - 46.5 Mts. Minimum - 28 Mts
Rated	40 Mts.
Design head	40 Mts.
Turbine Capacity	53MW
Horizontal Shaft turbine Capacity at 25.25 Min & 42.0 Mtr Head (House Service Set)	750 HP
Speed (50 MW Machine)	Normal Speed - 166.7 rpm Runaway Speed - 350 rpm x 395
Efficiency (House Service Set)	Head	Full Load	3/4 Load	1/2 Load
	25.25 M	89.0	88.8	83.0
	36.0M	87.8	82.0	74.0
	42.0	83.0	78.0	70.0
Factor of Safety	1.5
Rise of speed due to sudden load throw	From Full load:30%
	form 1/2 load: 22%
Time of gate closing for load throw	Full: 3.0 Sec
	1/2: 2.1 Sec
Momentary drop in speed on increasing load.	From 0 - full : 35%
	From 0 - 1/2 : 22%
Time of gate opening from zero to full load	6sec.
Total fly wheel effect of complete H.G set at 1000 rpm	500 sq.mm
Shaft material & dia	Alloy steel 135 mm
No of wicked gates (guide vane)	12
Governor	i) Sensitivity 0.01% ii) Speed drop characteristic 0 to 6 % iii) Range of speed level setting (+ -) 15% iv) Range of adjustment of gate opening time/ closing time (+ -) 25% v)Main servo motor rating 240 Kg. Mtr.Oil Pressure 6Kg/sq.cm