{"id":11526,"date":"2023-11-27T12:12:29","date_gmt":"2023-11-27T12:12:29","guid":{"rendered":"https:\/\/flovel.net\/chinnar-shep-model-test\/"},"modified":"2023-11-28T08:10:05","modified_gmt":"2023-11-28T08:10:05","slug":"chinnar-shep-model-test","status":"publish","type":"post","link":"https:\/\/flovel.net\/es\/chinnar-shep-model-test\/","title":{"rendered":"Chinnar SHEP \u2013 Model Test"},"content":{"rendered":"
[vc_row el_class=\u00bbmain-container-with-sidebar\u00bb][vc_column width=\u00bb3\/4″][vc_row_inner][vc_column_inner][vc_custom_heading text=\u00bbChinnar SHEP \u2013 Model Test\u00bb use_theme_fonts=\u00bbyes\u00bb][vc_single_image image=\u00bb11527″ img_size=\u00bblarge\u00bb][vc_column_text]Introduction<\/strong>\r\nThis article aims to describe the model testing carried out at Hydraulic Turbine R&D Laboratory, IIT Roorkee<\/strong>, India, for the Chinnar<\/strong> Project. HT R&D<\/strong> is one and only hydraulic laboratory in India for measurement of hydraulic turbine characteristics performed according to international standard IEC 60193.\r\n\r\nAbout the Project<\/strong>\r\nThe Chinnar SHEP<\/strong> is owned by Kerala State Electricity Board Limited (KSEBL)<\/strong>, located in Idukki District of Kerala, India.\r\nThe supply is equipped with 2 units Francis Vertical machines, running at synchronous speed of 750 rpm, operating under rated net head of 258 m. The rated turbine output is 12.000 kW.\r\n\r\nModel Design and Model Manufacturing\r\n<\/strong>The model was designed at FLOVEL\u00b4s Design Centre<\/strong>.\r\nAll turbine model components were manufactured at our Manufacturing Plant, except for Francis runner (D=320 mm) which was manufactured by CNCTVAR, Czech Republic, out of a forged monobloc.\r\nThe spiral casing was manufactured out of a casting with high precision CNC milling of water ways.\r\nAll components were finally inspected using modern CMM technology.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00bb1\/3″][vc_single_image image=\u00bb11530″ img_size=\u00bblarge\u00bb][\/vc_column_inner][vc_column_inner width=\u00bb1\/3″][vc_single_image image=\u00bb11638″ img_size=\u00bblarge\u00bb][\/vc_column_inner][vc_column_inner width=\u00bb1\/3″][vc_single_image image=\u00bb11536″ img_size=\u00bblarge\u00bb][\/vc_column_inner][\/vc_row_inner][vc_column_text]Entire model was transported to Entire model was transported to HT R&D Laboratory in Roorkee. The model assembly was completed at early in August 2023. Laboratory in Roorkee. The model assembly was completed at early in August 2023.[\/vc_column_text][vc_row_inner][vc_column_inner width=\u00bb1\/3″][vc_single_image image=\u00bb11539″ img_size=\u00bblarge\u00bb][\/vc_column_inner][vc_column_inner width=\u00bb1\/3″][vc_single_image image=\u00bb11641″ img_size=\u00bblarge\u00bb][\/vc_column_inner][vc_column_inner width=\u00bb1\/3″][vc_single_image image=\u00bb11644″ img_size=\u00bblarge\u00bb][\/vc_column_inner][\/vc_row_inner][vc_column_text]Model Test<\/strong>\r\nA homologous model acceptance test as per IEC 60193 was conducted to verify the hydraulic performance guarantees.\r\nThe main hydraulic performance characteristics in regards of efficiency, power output, cavitation and runaway speed have been tested preliminary. The tests were performed during the period of August-September 2023. KSBEL<\/strong> attended the witnessed part of the model test performed on the second week of September 2023. All test results were compiled in a final report. Additional measurements in accordance with the model test procedure, such as wicket gate torque, were completed in sequence and the test report was provided to Customer for approval.[\/vc_column_text][vc_row_inner][vc_column_inner width=\u00bb1\/2″][vc_single_image image=\u00bb11548″ img_size=\u00bblarge\u00bb][\/vc_column_inner][vc_column_inner width=\u00bb1\/2″][vc_single_image image=\u00bb11647″ img_size=\u00bblarge\u00bb][\/vc_column_inner][\/vc_row_inner][vc_column_text]Observations and Conclusions\r\nAfter the completion of model test for Chinnar SHEP<\/strong>, the hydraulic design validation was done based on the observation that:\r\n