NUMERICAL RELAYS (ABB SIMENS AREVA SEL ETC.)
TESTING & COMMISSIONING AND TROUBLE SHOOTING OF SUB STATIONS AND POWER PLANTS HVMV& LV SWITCH GEAR COMPONENTSSWITCH GEAR SCHEMES INTERLOCKS AUXILIARY TRANSFORMERS.
Experience
3 to 5 Years
Industry
Electricals / Switchgears
Functional Area
Project Management / Site Engineers
Testing Of Numrical Relays,
• Non Directional O/C & E/F Relays
• Directional O/C & E/F Relays
• Synchro Check Relays
• U/V & O/V Relays
• Under/Over Frequency Relay
• Power Factor Correction Relays
• Bus Bar Protection Differential Relays.
• Motor Protection Differential Relays.
• Motor Protection Relay.
• Transformer Differential Protection Relay.
• Variable frequency drive.
11kV and LVAC Feeders Scheme Check
• DC Scheme
• TCS and TSS Scheme
• Trip Logic Scheme
• Bus Bar Protection Sensitivity and Stability
• REF Sensitivity and Stability
• Motor Protection sensitivity and Stability
• CT Primary Injection Test
• VT Secondary Injection Test
• HV Test for CB and Bus Bar.
• CT Secondary Injection.
• Auto Change Over Scheme
• Parallel Operation Test
• Breaker Mechanical and Electrical Functional Checks
• Breaker Min/Max Voltage Operation Checks
• Heating and Lighting Scheme Checks.
• Feeder Earth switch ,Bus bar earth switch Interlocks.
• CB Rackin Interlock.
• CB Closing Interlock.