Teesta Low Dam - III


 
Teesta Low Dam III Power Station (4 X 33 MW) is a run of the river scheme with small pondage to harness the hydropower potential of river Teesta. The Power station was commissioned in the year 2013.The layout plan features and photo gallery of the Power Station are detailed below:
 
Image contains layout plan
Feature List
Feature Name Description
Location Distt.Darjeeling, West Bengal.
Approach Nearest Rail Head - New Jalpaiguri; Nearest Airport - Bagdogra
Capacity 132 MW (4x33 MW)
Design Energy 594.07 MU (90% dependable year with 95% machine availability)
Beneficiary States/UTs West Bengal
Date of Commercial Operation (COD) U#1:19/05/2013 U#2:01/04/2013 U#3:01/04/2013 U#4:01/05/2013
Barrage 
Height32 m
Length144.5 m
FRL208 m
MDDL203 m
Spillway7 (14X14 m size)
Penstock44 m
TypeCircular
Length44m
TRT/Tail Pool Length100 m
Max TWL184.24 m
Power House 
TypeSurface
SurfaceComprising of 4 units of 33 MW each
Turbine 
TypeKaplan
Rated head21.34 m
Design discharge693.6 cumecs (For all 4 units)
Number of guide vanes24
Generator 
Rated Continuous output36.67 MVA
Rated Voltage11 kV
No of Poles44
Rated speed136.36 RPM
Generator Step up Transformer (GSU) 
Type3-Ф
Voltage Ratio11/220 kV
Rated MVA:41MVA
Type of coolingOFAF
Switchyard220 kV
TypeAIS
Voltage level220 kV
No. of lines02 Lines
 TLD-III – New Jalpaiguri ;
 TLD-III – TLD-IV