Design Discharge
|
198.3 Cumecs (7000 Cusecs)
|
Power Channel & Tunnel
|
Capacity
Bed Width
|
198.3 Cumees
10.5 Meters
|
POWER STATION
|
Location
|
At 13.087 Km. Of Power Channel
|
F.S.L. Upstream of P.H.
|
R L 377.774 Meters
|
Installed Capacity
|
72.M.W
|
F.S.L. d/s of Power Station
(Corresponding to M.P.L. of 334.32 at New Tajewala Barrage)
|
R.L. 334.20 Meters
|
Net Head
|
42.954 M. Say 43 Meters
|
|
TURBINE
|
1.
|
Name of Manufacturer
|
M/s BHEL
|
2.
|
Type of turbine
|
Francis
|
3.
|
Rated Output Turbine at rated Net head 42.6 M.
|
24870.5 Kw
|
4.
|
Max. Output Turbine at Max. net head 45
|
26113.5 Kw
|
5 (a)
|
Efficiency & discharge for various output at rated net head...
|
|
Output (K.W.)
|
Efficiency
|
Discharge
|
24870
|
92.6%
|
64.30 m3/Sec
|
19896
|
91.8%
|
51.92 m3/Sec
|
14922
|
86%
|
41.56 m3/Sec
|
|
|
5(b) Weighted Guaranteed efficiency
|
90.88%
|
1
|
NORMAL SPEED
|
187.5 rpm
|
2
|
Specific Speed at the design head of 43.6 m
|
316.8
|
3
|
Maximum runway speed rating of the Generating Units
|
370 rpm
|
4
|
Weight of Turbine Rotating Parts
|
26 Tonnes
|
|
Runner
|
Shaft
|
Material
|
Stainless Steel
|
Welded or cast
|
Cast Welded
|
Composition of Stainless Steel
|
13% Cr. - 4% Ni.
|
No. of Blades
|
14
|
|
Material
|
Carbon Steel C-40
|
Weight
|
9 Tonnes
|
Diameter
|
600 mm
|
Lenght
|
3850 mm
|
|
Main Guide Bearing
|
(a)
|
Type of (Cylindrical) Pivoted Pad
|
Pad Type
|
(b)
|
Composition of lining material
|
Babbit
|
(c)
|
Lubrication
|
Turbine Oil Servo Prime 57 of IOC
|
(d)
|
Amount of Lubrication in one filling
|
350 Ltr
|
(e)
|
Maximum Temperature of Oil
|
65 °C
|
|
Generator
|
Name of Manufacturer
|
M/s B.H.E.L.
|
Type of Generator
|
Umbrella-Vertical Shaft, Salient Pole Closed air circuit ventilation machine with
water cooled air cooler
|
Normal Voltage betwenn phases
|
11000 Volts +5%
|
Normal Synchronised speed (for a system frequency of 50 Hz) + 3%lag
|
187.5 RPM
|
Output Under Condition of
|
|
a) 11 KV, 0.9PF Lag
|
26670 KVA
|
b) Max. Cont. Overload
|
28000 KVA
|
|
Generator Reactance (PU)
|
Subtransient reactance direct axis Xd
|
0.184
|
Negatice phase sequence reactance
|
0.24
|
Cost Estimate
|
Cost of Project
|
22500 Lacs apprx.
|
Power Benefits
|
(a)
|
Pre Llakhwar Project
|
i-
|
Total energy output for 90% availability
|
385.14 x106(KWH)
|
ii-
|
Cost of Generation
|
53.27 Paise/KWH
|
iii-
|
Revenue Return
|
7.02%
|
(b)
|
Post-Lakhwar Project
|
i-
|
Total energy output for 90% availability
|
435.61 x 106(KWH)
|
ii-
|
Cost of Generation
|
47.10 Paise/KWH
|
iii-
|
Revenue Return
|
8.23%
|
|
Khara Power House
|
Unit wise details of the machine as per name plate for both Turbine and Generator....
|
Hydro Generator- B.H.E.L Hardwar year
1986,
Specification- 15:4722:1968, Serial No. - 20140.A. 23101
|
Stator
|
Rotor
|
KW - 24000
|
Volts- 170
|
PF - 0.9LAG
|
Amp - 737
|
KVA - 26670
|
RPM - 187.5/370
|
Volts - 11000
|
HZ - 50
|
Amps - 1400
|
Phase - 3
|
|
Connection - Y
|
|
Rotation - Clockwise
|
|
Insulation Class - B
|
|
Type - SV 675/95-32
|
|
Hydro Turbine
|
1
|
Type
|
RA 75/728b
|
2
|
Rated Speed
|
187.5RPM
|
3
|
Rated Head
|
42.6M
|
4
|
Rated Output
|
24MW
|
5
|
Plant Order No.
|
20139 -A-202-01
|
6
|
Year of Manufacturer
|
1986
|
|
General information in respect of generation from the Units and Auxiliery Consumption.
|
Sl.No.
|
YEAR
|
GENERATION
MU
|
AUXILIARY CONSUPTION
MU
|
1
|
2001-02
|
308.4899
|
0.495
|
2
|
2000-01
|
344.10997
|
0.506
|
3
|
1999-2000
|
330.7708
|
0.430
|
4
|
1998-1999
|
456.0144
|
0.421
|
5
|
1997-1998
|
396.36882
|
0.364
|
|
Khara Power House |
Single Line Diagrame Showing Energy Exchange Points |
|