Hydel

 

                                                                                        DONKARAYI CANAL POWER HOUSE (1x25 MW)

The Scheme envisages installation of one Unit of 25 MW by utilizing the water discharges through the power canal of Lower Sileru Power House from Donkarayi Dam on Sileru River.  Planning Commission cleared this scheme in 2/1977.  The Power House is located near the earthen dyke of the left blank of Donkarayi Dam at the inlet of power canal.

 

 Salient features:

  1. Location : Donkarayi Camp, East Godavari dist.,
  2. Category : Hydro Electric Project, Canal Power House
  3. Capacity : 1 x 25 MW = 25 MW
  4. River : Sileru
  5. Dam : Donkarayi Dam
  6. Annual Energy Potential : 100 MU
  7. Reservoir : Donkarayi
  8. Catchment Area : 4908 Sq. KM
  9. Max. Flood discharge :  2,75, 500 Cusecs
  10. Live Storage : 13.257 TMC Ft
  11. Gross Storage : 16.5 TMC Ft
  12. Dead Storage :  3.243 TMC Ft.
  13. Generation per TMC : 11.905 MU
  14. Design Head :  25 Mts.
  15. Net head :  21 Mts.
  16. Full Reservoir level (FRL) : 1037 Ft.
  17. Min. Draw Down Level (MDDL) : 955 Ft.
  18. Design Disch. through Machine :  127 Cumecs (4485Cusecs)

 

Commissioning Details:

Unit : 4th October’ 1983

 

Technical:

  1.  Turbine

a)  Type : Vertical Kaplan

b)  Make : BHEL

c)  Net Head : 21.0 Mts.

d)  Rated Output : 26100 KW

e)   Normal Speed : 136.4 RPM

 

Generator

a)  Type :

b)  Make : BHEL, Hardwar

c)  Rated Voltage : 11 KV

d)  Rated Out put : 25300 KW/ 29760 KVA

e)  Current : 1560 A

f)   Speed : 136.4 RPM

g)  Power Factor : 0.85 Lagging