RANJIT SAGAR DAM (HYDRO ELECTRIC PROJECT) 4 X 150 MW

RANJIT SAGAR DAM PROJECT, SHAHPURKANDI (600 MW):
The earliest recorded proposal of storage on the river Ravi was mooted in 1912 for a 200 ft . high Dam near village Thein. It was inspected by committee headed by Mr. Willey in 1926-27 who had recommended to carry out the survey of the area, but up till 1954 nothing substantial was done except inspections by Geologists. It was in 1957 that the proposal of storage Dam on Ravi River materialized into an Irrigation scheme. The power generation aspect was then postponed to a future date. The first multipurpose project report was submitted to Government of India in 1964. Finally the project was accorded approval by Government of India in April 1982.
Ranjit Sagar Dam (Thein Dam) Project is one of the largest multipurpose river valley project on the river Ravi about 24 KMs up-stream of Madhopur Head Works. It houses four generating units of 150 MW each with total installed capacity of 600 MW. It has firm power of 162 MW at 100% load factor. 4.6% of energy generated is supplied free of cost to H.P. and 20% of energy generated is to be supplied to J&K at the generated cost at the Bus Bar. The Project has been conceived as a peaking station. The power generated is being fed into the existing 220 KV Grid substation at Sarna.

The dates of commissioning unit wise

Unit Number
Date of Commissioning
I
12.8.2000
II
12.10.2000
III
20.8.2000
IV
15.9.2000

 

Name Ranjit Sagar Power Plant
Location Shahpurkandi (Pathankot)
Dam
Maximum Height above river bed
Maximum Height
Level of top

135.00 m
160.00 m
540.00 m
Name of Reservoir
Capacity

Ranjit Sagar
2344 Million Cum (Live storage)
3280 Million cum (Gross storage)

Water conductor system
A) Tunnels
•  Length
•  Diameter
• Slope of invert
• Maximum Discharge through the            tunnels.



P-I = 819 M , P-2 = 845M,
12.00 M
Concrete reinforced.
9800 cumecs

B) Penstocks
• Numbers
• Internal diameter of each
• Maximum discharge capacity
• Number of turbines fed by each penstock


2 Nos. penstock headers, 4 Nos. penstock branches
5.17M of penstock branch, 8.5M penstock header.
342 Cum/ Sec.
2 Nos

Turbines
•  Number
•  Type
•  Make
•  Net head
•  Rated output of each unit
•  Normal speed


4 Nos.
Vertical shaft Francis
BHEL
121.90M (Max.), 76.0M (Min.), 100M (Rated),  designed head)
150 MW
166.67 rpm.

Generators
•  Number of Units.
•  Make
•  Voltage
•  Capacity
•  Current
•  Power Factor
•  Speed.
•  Excitation system


4 Nos.
BHEL
13.8 K.V
166.667 MVA
6973 Amp.
0.9Lag
166.67 rpm.
Static

DETAIL OF STEP -UP TRANSFORMERS

No. of T/Fs Voltage  class in use Voltage Ratio in  use. Different capacity  in use. (MVA) No(s) in each capacity size Aggregate capacity (MVA)
12+1(spare) 220KV 13.8/220KV
Single phase
62.5
62.5x12
12+1(spare)
62.5 MVA
750

GENERATION ACHIEVEMENTS (In MUs):

2000-01 435.06 MUs
2001-02 1228.75 MUs
2002-03 1150.49 MUs
2003-04 1547.59 MUs
2004-05 1144.15 MUs
2005-06 2013.19 MUs
2006-07 1679.47 MUs
2007-2008 1538.44 MUs
2008-2009 1473.76 MUs
2009-2010 1068.86 MUs
2010-2011 1737.67 MUs
2011-2012 1927.61 MUs
2012-2013 1428.48 MUs

Note:
Ranjit Sagar Power Plant achieved the record generation of
2013.19 MUs in the year 2005-06 since its commissioning, which was the mile stone in the history of RSD Project.



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