Frequent Tripping of feeder on earth fault after faulty CT replacement
Observation At 132/33 kV Substation, R-ph CT was failed due to any some reason. The ratio of the CT was […]
Case Studies
Case Studies
In this categories, We explain practical solution on real field problem.
Case Studies
Tripping of 220kV Feeder on SF6 lockout declaration in GIS Substation
Analysis One of the 220 KV feeder at 220/132Kv GIS system, suddenly tripped automatically indicating the cause of tripping being
Case Studies
Zero IR value of CT at Substation
Case study At 220/66kV substation, for 220/66 KV 100MVA Transformer, it was found with oil leakage from the Tan-delta point
Case Studies
Conductor damaged due to use of PG Clamp
Case Study During Line Patrolling it was observed with damage of Main conductor strands of the 132KV Line conductor. Detail
Case Studies
Red-HOT on CT Pad Clamp in Electrical substation
Case study At one of 66/11 KV Grid Sub-Station, it was observed with burning of CT clamp causing red-hot at
Case Studies
Lights Flickering in residential electrical system
Case Study This case study concerns Lights flickering in residential electrical system. The homeowners were experiencing lights flicker when loads
Case Studies
Use of impedances in the electrical network-Shunt Reactor
When electrical energy transmission methods were used, it was noted that if the voltage is sent by, for example, 100
Case Studies
Case studies on Transmission Line fault due to Bird
In recent power system, Continuity of Power transmission line is most challenging work for every engineer. Different types of fault
Case Studies
Case studies on 220kV Bus fault occurred in humid weather at 220kV Substation
Occurrence At 220kV Substation, 220kV Bus fault occurred at early morning humid weather condition. All line connected to Bus are