LOWER SILERU POWER HOUSE ( 4 X 115 MW)
Lower Sileru Project is situated in the midst of dense forest in the agency area of Visakhapatnam, East Godavari District of Andhra Pradesh. The site is about 200 KM from Narsipatnam Road Railway Station.
The project envisages the installation of 4 units of 115 MW each in the first stage and addition two more units of 115 MW each in the second stage later on. The ultimate generating capacity of this station will 690 MW.
Salient features:
- Location : Pollur Camp, Mothugudem in E.G Dist.,
- Category : Hydro Electric Project
- Capacity : 4 x 115 MW = 460 MW
- River : Sileru
- Dam : Donkarayi / Forebay
- Annual Energy Potential : 1050 MU
- Reservoir : Donkarayi
- Design Disch. through Machine : 72 Cumecs (2534Cusecs)
- Forebay:
- FRL : EL 930 Ft
- MDDL : EL 920 Ft.
- Live Storage : 2176 A. CFt.
- Free Board : 10 Ft.
- Top of Dam : 940 Ft.
- Bed level of Stream : EL 770 Ft.
- Average Height of Dam : 50 Ft.
- Length at Top : 4450 Ft.
- Width : 30 Ft.
Commissioning Details:
Unit – 1 : 28th March’ 1976
Unit – 2 : 6th October’ 1976
Unit – 3 : 8th November’ 1977
Unit – 4 : 13th August’ 1978
Technical:
1. Turbine Unit - 1 & 2 Unit – 3 & 4
a) Type : Francis Vertical Francis Vertical
b) Make : LMW, Russia BHEL
c) Net Head : 193.5 Mts. 193.5 Mts.
d) Rated Output : 119 MW 119 MW
e) Normal Speed : 300 RPM 300 RPM
f) Runway speed : 580 RPM 580 RPM
g) Disc. Through Machine : 72 Cumecs
2.Generator:
a) Type :
b) Make : Russian BHEL, Hardwar
c) Rated Voltage : 11 KV 11 KV
d) Rated Out put : 127.7 MVA 127.7 MVA
e) Current : 6700 A 6700 A
f) Speed : 300 RPM 300 RPM
g) Power Factor : 0.9 Lagging 0.9 Lagging
