SAJJAD AHMED

• Testing of Power meters,Transducers,Ammeter, voltmeters and auxiliary relays for the Control and metering panels .
• Executed the precommissioning of SCADA circuits for 115kv protection panels.
• Also Executed the modification in control & relay panels.
• Preparation of markup copy for all drawing.
• Associated with Internal functional test of HITACHI panels 230 & 115kv local and remote panels.
• Substation battery charger testing and troubleshooting and repairing.
• Acceptance test for Over current relay MICOM P142(Directional, Non-directional, Earth fault), Transformer Differential relay Siemens 7UT613, Under/Over frequency relays (ABB, Siemens .
• Testing & commissioning of Aux. relays, Type RF4DI, RJ8DI, BJ8BB, MVAX-11, MVAX-12, MVAW21, etc.
• Acceptance test for Lockout relays (Manual & Electric reset), Fuse failure relay type RXBA4, Under Voltage relay 7RW600, Trip Coil supervision relays type MVAX31, MVAX91.
• Testing of 132KV Bushing Current Transformer make Hysung for IR, WR, Polarity, Ratio, Exc Curve.
• Testing of 132KV GIS Potential Transformers (IR, WR, Polarity, Ratio, Burden Tests)
• Testing & commissioning of meters (Am-meter, Voltmeter, Frequency meter .
• ACDB/DCDB MCCB Testing (ABB type SACE Tmax), ABTS Auto Bus Transfer Scheme .

TEST EQUIPMENT USED:

• OMICRON CPC100
• OMICRON CMC-256, Relay Test System .
• OMICRON CT Analyzer.
• Freja 300, & Freja 500 Relay Test System.
• PROGRAMMA ODEN AT, Primary Current Injection Kit .
• Sverker-780.
• Megger BM21, BM25.
• MOM200, 600, Micro-ohm Meter.
• B10E, DC Supply source.
• Breaker Analyzer TM1600.