design, detail engineering, supply, erection, testing and commissioning of igbt based active power filter ( apf ) device at 33 kv voltage level along with converter duty coupling transformers & all other associated equipment’s including integration with existing protection and scada system at receiving sub-stations ( rss ) of delhi – ghaziabad – meerut rrts corridor of ncrtc”; 1 apf panels along with suitable 33 / 0.415kv or 33 / 0.630 kv converter duty transformer of suitable rating and other associated equipments comprising of lt bus duct, acb, nifps, fire supression system for apfc panel, differentials relay for transformer, ventilation and air conditioningsystem etc. for sarai kale khan rss. 2 apf panels along with suitable 33 / 0.415kv or 33 / 0.630 kv converter duty transformer of suitable rating and other associated equipments comprising of lt bus duct, acb, nifps, fire supression system for apfc panel, differentials relay for transformer, ventilation and air conditioningsystem etc. for shatabdi nagar rss. 3 apf panels along with suitable 33 / 0.415kv or 33 / 0.630 kv converter duty transformer of suitable rating and other associated equipments comprising of lt bus duct, acb, nifps, fire supression system for apfc panel, differentials relay for transformer, ventilation and air conditioningsystem etc. for modipuram rss.