Rangit
Rangit Power Station is located in State of Sikkim having Installed Capacity of 60 MW (3x20 MW). It uses water of river Rangit for generation of Power. It is a ROR with Pondage Scheme. The Power Station was commissioned in the year 2000. The layout plan, features and photo gallery of the Power Station are detailed below.
| Feature Name | Description |
|---|---|
| Approach | Nearest Rail Head - New Jalpaiguri & Nearest Airport - Bagdogra |
| Location | South Sikkim, Sikkim |
| Capacity | 60 MW (3 x 20MW) |
| Design Energy | 338.61 MU (90% dependable year with 95% machine availability) |
| Beneficiary States/UTs | Sikkim, West Bengal, Bihar, Jharkhand and DVC. |
| Date of Commercial Operation (COD) | U#1- 15/02/2000 U#2- 15/02/2000 U#3- 15/02/2000 |
| Dam: | |
| Type | Concrete gravity dam |
| Height | 43 m |
| FRL: | 639 m |
| MDDL | 627 m |
| HRT | |
| Type | Horse Shoe shaped |
| HRT Length | 2904 m |
| HRT diameter | 4.5 m |
| Surge Shaft | |
| Type | Restricted orifice type |
| Surge Shaft Depth | 60 m |
| Surge Shaft Diameter | 14 m |
| Penstock | |
| Length | 270 m |
| Diameter | 3.5 m |
| Penstock trifurcate | Penstock trifurcates into 3 nos. near power house with 2 m dia. each after trifurcation. |
| Tail Water Level | |
| Max TWL | 500 m |
| Power House | |
| Type | Surface |
| Capacity | Comprising of 3 units of 20 MW each |
| Turbine | |
| Type | Francis |
| Rated head | 129 m |
| Design discharge | 52.2 cumecs (For all 3 units) |
| Number of guide vanes | 20 |
| Generator | |
| Rated Continuous output | 22.22 MVA |
| Rated Voltage | 11 kV |
| No of Poles | 14 |
| Rated speed | 428.6 RPM |
| Generator Step up Transformer (GSU) | |
| Type | 3-Ф |
| Voltage Ratio | 11/132 kV |
| Rated MVA | 25 |
| Type of cooling | OFWF |
| Switchyard | |
| Type | AIS |
| Voltage level | 132 kV & 66kV |
| No. of lines | 05 lines |
| 132 kV lines: Rangit – Sagbari | |
| 132 kV lines Rangit–Ramam | |
| 132 kV lines Rangit –Rangpo | |
| 132 kV lines Rangit – Kurseong | |
| 66 kV line: Rangit – Ravangla |