OHPC Hydro Power Dam

Salient Features of Chiplima Hydro Electric Project

Chiplima Power House
1 Name of the Power Station Chiplima Power Station
2 Type of Project ROR
3 Type of Power House Surface
4 Total Number of Units & Their Rated Capacities (Original) in MW 3 nos. – 24 MW each
5 Unit-Wise Data of Commissioning (Original) and after R & M. Original Date of Comm.
Unit-I – (15.07.1962)
Unit-II – (26.11.1962)
Unit-III – (01.02.1964)
Date of Comm. after R, M & U
Unit-I – (29.07.1998)
Unit-II – (01.05.2008)
Unit-III – (21.01.2020)
6 Turbines
(a) Name of the Manufacturer Unit-I & II – JM Voith (Original), Unit-III – LMZ Unit – I & II – Renovated by BHEL Unit III Renovated by Voith Hydro Pvt. Ltd.
(b) Country of Manufacturer Unit-I & II – Germany, Unit-III – Russia
(c) Type Kaplan (each)
(d) Arrangement of Shaft Vertical (each)
(e) Output in MW 25.4 (Max.) for Unit 1 & 2
27.874 (Max.) for Unit 3
(f) Speed in RPM 150 (each)
(g) Runaway Speed 368 RPM, 340 RPM ( Unit 3 )
(h) Rated Head 74.5 Ft.
(i) Designed Head 72 Ft., 71.52 Ft. ( Unit-3)
7 Governing System
(a) Name of the Manufacturer & Type Unit-I -Voith, VCG – 72, Electro – Hydraulic Gov
Unit-II – EHG (UR), BHEL
Unit-III Voith Hydro
8 Generators
(a) Name of the Manufacturer Unit-I & II- Hitachi, Unit-III – Voith Hydro
(b) Country Unit-I & II- Japan, Unit -III – India
(c) Type Semi Umbrella, Vertical
(d) Output (in MVA / MW) 27/24.3 (each)
(e) Power Factor 0.91 (each)
(f) Generator Voltage 11 KV (each)
(g) Arrangement of Bearings 1. Thrust bearing.
2. Guide bearing (each)
9 Excitation System
Manufacturer & Type Unit-I & II – AVR SEE, BHEL,
Unit-III – SEE, ABB
10 Generator Transformers
(a) Name of the Manufacturer & Country Unit-I & II – Metropolitan – Vickers, UK Unit-3 Transformer & Rectifiers , India
(b) Capacity in MVA 27 MVA (each ) 30 MVA (Unit 3)
(c) Type Core (each)
(d) Provision of Tap Changer Off Load (each)
(e) Type of Cooling OFWF (each)
(f) Voltage Ratio & Vector Group 11/132KV (each), Yd11
11 Power House EOT Crane
(a) Name of the Manufacturer & Country Litostrocz, Yugoslavia
(b) Capacity of Main Hook & Aux. Hook 125 T (main), 25T (Aux.)
(c) Number of Cranes Two
12 Penstock
(a) Arrangement Trapezoidal
(b) Numbers Three
(c) Dia 9.4 M (each)
13 Tail Race
(a) Type Open Channel
(b) Length 1 KM

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