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Successful Model Acceptance Test – Sholayar HPP (3x19.8MW)

Contract for Sholayar was signed in July 2015. The contract required that a Model Acceptance Test as per IEC 60193 had to be carried out. Hydraulic design considering the existing water passage (spiral casing, stay vanes and draft tube) with new runner and distributor was carried out using CFD analysis. The new runner was based on state of the art X blade technology with better cavitation characteristics and higher efficiencies. The runner was designed to operate to maximum head range of 325m.
The model was designed and manufactured at FLOVEL´s design center and manufacturing facilities. The spiral casing and draft tube elbow were manufactured out of Aluminum blocks with high precision CNC milling. All components were finally inspected using modern CMM technology.
Entire model weighing 5,620 kg was air freighted to Vattenfall AB, R & D facilities in Älvkarleby, Sweden. The model assembly was completed in early November 2016. Internal testing results demonstrated higher efficiency levels than contractually guaranteed. The model was offered for witness to customer Kerala State Electricity Board Limited at the end of November 2016.
After witnessing the test the customer finally accepted the model test results and approved for further manufacturing of the prototype turbine.

The project parameters are as follows:
Type of Turbines: Vatical Francis
Rated Head: 303.00 m
Installed Capacity: 3 x 19,800 kW

About Flovel Energy:

FLOVEL name has been synonymous with the hydro power sector for over four decades. FLOVEL is a full-line supplier of electromechanical equipment and services for small and medium size hydro power plants manufacturer of hydraulic turbines, valves and turnkey supplier of electro mechanical packages for hydro power projects and ranks amongst the leading players globally. FLOVEL manufacturers complete range of Pelton, Francis, Kaplan, Axial Flow turbines and Valves for hydropower projects. The strength of FLOVEL is in its ability to offer all-inclusive solutions (Electro Mechanical-Turnkey Packages).


FLOVEL Energy Private Limited
Vatika Mindscapes,
Suite 101-A, Tower-B,
12/3, Mathura Road,
Faridabad – 121 003,
Haryana, INDIA
Fax: +91 129 4090650