Hydro Electric Project, Matatila

Installed capacity - 3 x 10.2=30.6MW

No. of units - 3

Sailent Features

Matatila Power Station is located in Lalitpur district (UP), 60 K.m. far from Jhansi City. Nearest Railway Station is Jhansi on Delhi Bombay route.

It is entirely a rain fed river with very high discharge of water during rainy season and extremely low discharge during summers. The dam was constructed in year 1957 for irrigation purpose. Matatila power House with three machines of 10.2 MW each on the existing Dam has been commissioned in 1965.

Hydrology

Catchment Area - 8000 Sq. Miles.
Reservoir Capacity at - 40000 M. Cu. Ft. Full level (R L 1012ft)

Climatic Data

The Climate of Matatila dam is very hot in summer season and some time temperature rises upto 50ºC during summer and very cold during winter season. There is monsoon rains in summer season only The climate is dry in rest of the year.

DAM

Masonary dam flanked by earthen embankments on either side.

Height 104.0 ft Crest Length 1,394.0 ft Crest Width 534.0 ft Maximum Width at base 1,394 ft Spillway gate 23 Nos Size of gate 60'x23' Type of gate Radial Water Conducter System Through Penstock

DETAILS OF INTAKE STRUCTURE(Including type, number and size of gate)   Height Length Width Still Level Intake gate 20' 11'-8" 1'-8" 942' Stop Log gate 5'(5 Nos) 3'-8" (1No.) 15'-6" 2' 942' Draft Tube gate 14'-4" 9'-3" 1'-8"quot; 886'

Penstock

Type Cylindrical Steel Pipe No. of Penstock 3 Dia 11'-3" Length 210 ft Two pipe lines of Jal Nigam are connected with penstock of Machines for drinking water supply to Jhansi city.

Building

Power station building is located at left bank of the Dm, Length of the building is 205 meters, Width - 76.5 meters, Height - 109 meters, Control room of power house is located at left side of the building. Type of Control Board - Relay logic type Type of protection board - Mechanical relay Type Type of recorder - Analogue Type   Above mentioned boards are installed in control room.

Head & Design Discharge Installed Capacity & Number of Units (1) Gross maximum head - 102 ft (2) Gross Minimum head - 60ft (3) Discharge at Max, head - 1659 Cusec. (1) Installed Capacity - 3x10.2 = 30.6 MW (2) Number of Units - 3 Nos

Turbine

(a) Type of Turbine Vertical Shaft Kaplan Turbine (b) Output at max. head 16,500 BHP (c) Discharge at Max. head 1655 Cusec (d) Number of Runner blades 6 Nos (e) Specific Speed 115.6 (f) Efficiency at full load 89.4% (g) Guide vane 20 Nos (h) Material Shaft Forged Steel (i) Dia of Shaft 19.75" (j) Max. Run away spped 675 rpm

RUNNER GOVERNOR (a) No. of Runner blades - 06 Nos (b) Material of blades - 13 chromium cast steel (c) Material of Runner boss - Low magnetic steel (d) Internal dia - 98 ½" (e) Velocity of Runner Unit - 40.1 EPS (a) Type - Hitachi Cabinet type speed governor (b) Range of adjustment of speed level - 0.6 (c) Guaranteed Senstivity - 0.1% (d) Closing time of guide vanes - 7.2 Seconds (e) Opening time of full gate - 15 Seconds

Type of Generator & Excitation System

Generator Main Excitor (a) Capacity - 12000KVA (b) R.P.M. - 250 (c) Full Load current - 630 Amp. 3$ (d) Generating Voltage - 11 KV (e) No. of Poles - 24 (f) Power factor - 0.85 (g) Efficiency at full load - 96.45% (h) Insulation class - 'B' (i) Outer dia of stator - 177" (j) Generator air Gap - 1" (k) Field current - 400 amp (a) Capacity - 120KW (b) Full load voltage - 220V (c) Ampere - 546amp (d) Exciting Voltage - 110V (e) Field - Separate (f) Insulation Class - 'A'

Pilot Excitor A.V.R (a) Capacity - 5 KW (b) Full Load Voltage - 110 v (c) Ampere - 45.5 Amp (d) Field - Compound (e) Insulation Class - 'A' (a) Type - Thyristor control Regulator type (b) DC Control Voltage - 110 V ± 5%

Details of The Tailrace

(a) Type - Open Channel (b) Intake crest length - 60' (c) Maximum level - 913' (Normal) (d) Minimum level - 908 (e) Length - 10 meter (Appx) (f) Width - 35 meter (Appx) (g) Draft tube gate - 06 Nos

Firm Power and Annual Energy Generation

(a) Firm power 9.56 MW (b) Peaking Capacity during mansoon 30.6 MW (c) Peaking capacity during summer 19.0 MW (d) Firm output 81.65 MU (e) Seasonal output 41.928 MU

Details of Switch Yard

(a) Size & Type -        Open (b) Transmission voltage - 66 KV and 11 KV (c) No. of Bay -          01 (d) Incomers - 03 (e) Outgoing feeder - 05

Name of Outgoing Feeder Name of Incomers (a) 66 KV Jhansi feeder - 02 Nos (25 MVA       each) (b) 66 KV MP (Pichhore) feeder - 01 No      (5MW) (c) 66 KV RORA feeder - 01 No. (2MW) (d) 66 KV Lalitpur feeder- 01 No (5MVA)       (Disconnected at present (a) No. of M/C - 03 Nos. (b) M/C load - 10.2MW (each)

TRANSFORMER Generating TIF - 03 Nos 2MVA T/F (66/11KV) - 2 Nos (a) Capacity - 12000KVA (Make- Toshiba) (b) Volts - 11/66KV (c) Current - 630/105 Amp (d) Phase - 3 $ (e) Vector symbol - YD 11 (f) Type of cooling - ON (g) Impedance - 7.68% (h) Capacity of oil - 2160 Gallons (i) Weight of Oil - 8.874 TONS (j) Total Weight - 34.1 TONS (k) Tape Changer - No load type (off load) (a) Make - Crompton & Parkinson (b) Capacity - 2000 KVA (c) Volt - 66/11 KV (d) Current - 17.5/105 amp (e) Type of Cooling - ON (f) Impedance - 7.51% (g) Vector Symbol - YD 11 (h) Weight of oil - 4640 KG (i) Oil Capacity - 5470 Lit     UNIT AUXILIARY T/F - 03 Nos and station T/F - 02 Nos (a) Make - ECE (b) Capacity - 300 KVA (c) Volts - 11/0.4 KV (d) Current - 15.75 amp/432.8 amp (e) Type of Cooling - ON (f) Impedance - 4.7% (g) Vector Symbol - DY 11 (h) Oil Weight - 650 Lit. /570 Kg BREAKER - Make HEL Bhopal (a) Type - LG 3C/66 (Bulk oil type) 66 KV Breaker (b) Voltage - 66 KV (c) Current Capacity - 800 amp (d) Breaking capacity - 13.1KA, 3 Sec. (e) Making capacity - 33.4 KA (f) Closing/Tripping Coil Voltage - 110 V DC   For 66 KV MP (Pichhore) feeder Breaker - 01 No (a) Type - SF-6 (b) Voltage - 66 KV (c) Make - ASEA (d) Making Capacity - 45 KA (e) Breaking capacity - 17.5 KA SIZE OF SWITCH YARD (a) Size of Switchyard - 160' x 100' (b) Size of Transformeryard - 80' x 129'

Total Project Cost / Cost of Generation

(1). (a) Net cost of Generation (F.Y. 2000-01) - 17.28 Paise per Unit        (b) Total Project cost - 416.009 Lacs

(2). Unit wise details of the machines as per name plate for both turbine and  Generator:-

ACTUATOR GENERATOR For 12000 KVA Actuator RPM --250 MFG. No.-- 106464 Date-- 1963

DC Generator

RPM-250         Code- BSS RPM- 250         Code- BSS Main Exciter Pilot Excitor Kw- 120   Type- VFB Form  -SP Kw 5    Type-VB. Form -K Full Load Volt  - 220   AMPS   - 546 Exciting Volts   - 110 Rating - Cont Field - Sepatate   Insulation        Class A Mfg no. -253166     Date -1963 Full Load Vold   - 110   AMPS- 45.5 Field - Comp     Rating - cont Insulation Class -A Date 1963

Alternating Current Generator

Type -    VEFKW Form    -      RD    Code BS:- 2613 KVA- 12000 RPM- 250 Phases -3 Poles- 24 Volts- 1000 AMPS- 630 Cycles- 50 PF 0.-85 Main Ex.KW -120 Main Ex.Volt- 220 Main Ex. AMP- 443   Mfg. No.- 106461-1 Date -1963     Pat No. -367954, 374078, 393066, 401955

Water Turbine

TYPE --VK                         FORM-- IRS EFFECTIVE HEAD DISCHARGE OUTPUT MAX. 99 ft 1655 cfs 16500 HP NOR. 85 lt 1655 cfs 14250 HP MIN. 58 lt 1415 cfs 8000 HP RPM 250 CODE BS353 DATE 1963 MFG NO. 141281-1 PAT NO. 205210   TOKYO Hitachi Ltd JAPAN WP = T2453

(5). General information in respect of Generation from the units and auxiliary consumption.

(a) Details of annual generation of last 6 years.

1996-97 - 131.172 MU 1997-98 - 157.997 MU 1998-99 - 132.805 MU 1999-00 - 160.909 MU 2000-01 - 138.083 MU 2001-02 - 140.203 MU

(b) Auxiliary consumption of the plant is approximately 0.2% of Generation.

(6). Schedule for annual maintenance

Annual maintenance of one M/C of Matatila Power House is being done each year for smooth Running of M/c's as per instructions issued earlier.

(7). R.L.A & L.E. of Matatila Power House is proposed to be carried out by M/S BHEL and order for the same has already been placed.

(8). An E.O.T crane of 80 ton capacity has already been installed in Power House for dismantaling and erection Works. A mechanical workshop having lathe M/C, Shapers, drill M/C & Welding M/C has also been installed in Matatila Power House.

Single Line Diagrame of Matatila Power House