TEESTA LOW DAM - IV
Teesta Low Dam–IV power station (4X40 MW) is a run of the river scheme with diurnal storage for peaking purpose. The Power Station was commissioned in the year 2016. The layout plan features and photo gallery of the Power Station are detailed below.
| Feature Name | Description |
|---|---|
| Location | Distt. Darjeeling, West Bengal |
| Approach | Nearest Rail Head - New Jalpaiguri Nearest Airport - Bagdogra |
| Capacity | 160 MW (4x40 MW) |
| Design Energy | 717.717 MU (90% dependable year with 95% machine availability) |
| Beneficiary States/UTs | West Bengal |
| Date of Commercial Operation (COD) | U#1 11/03/2016 U#2 31/03/2016 U#3 17/07/2016 U#4 19/08/2016 |
| Dam: | |
| Type | Concrete gravity/Roller Compacted concrete Dam. |
| Height | 45 m high |
| FRL: | 182.25 m |
| MDDL | 179 m |
| Max TWL | 155.4 m |
| Penstock | |
| Length | 45 m |
| Diameter | 7 m |
| Diversion Channel | |
| Type | trapezoidal |
| Length | 779.5 m long |
| Tail pool | |
| Tail Pool Length | 98 m |
| Max TWL | 155.4 m |
| Power House | |
| Type | Surface |
| Capacity | Comprising of 4 units of 40 MW each |
| Turbine | |
| Type | Kaplan |
| Rated head | 25.05 m |
| Design discharge | 699.8 cumecs (For all 4 units) |
| Number of guide vanes | 24 |
| Generator | |
| Rated Continuous output | 44.5 MVA |
| Rated Voltage | 11 KV |
| No of Poles | 48 |
| Rated speed | 125 RPM |
| Generator Step up Transformer (GSU) | |
| Type | 3-Ф |
| Voltage Ratio | 11/220kV |
| Rated MVA: | 50MVA |
| Type of cooling | OFAF |
| Switchyard | |
| Type | AIS |
| Voltage level | 220 kV |
| No. of lines | 03 Lines |
| TLD-IV – New Jalpaiguri (Line I & II) | |
| TLD-III - TLD-IV (Line III) |