Technicas Reunidas
230KV GIS, WQRGCP-1
CT Swapping 230kv GIS Switch Gear.
Degassing the gas from all required compartments.
Refilling the Gas.
Interchanged the Pressure gauges from different Locations.
S-Chem, Jubail
230KV GIS, Preventive Maintenance
Breaker testing and function test (Interlock Checking).
Disconnector and Earth switch Function and operation check.
Pressure gauges Calibration.
SF6 gas purity test.
Refilling the SF6 gas in Low Compartments.
JOMEL
25.3 KV Generator Circuit Breaker Preventive Maintenance
Breaker Testing.
Functional Check of breaker.
SF6 gas purity test and check gas leakage detection.
Refilling the SF6 gas in Low Compartment.
SABIC Agri Nutrients
230KV GIS Preventive Maintenance
Breaker testing and function test (Interlock Checking).
Disconnector and Earth switch Function and operation check.
Pressure gauges Calibration.
SF6 gas purity test and Leakage detection check in all compartments.
Refilling the SF6 gas in Low Compartments.
SABIC Yansab
231 MVA Transformer, Preventive Maintenance
• Voltage Turns Ratio, Magnetic core balance, IR and Polarization Index, Insulation Power Factor Tan delta and Capacitance of Windings, Sweep frequency response analysis (SFRA), Di-electric frequency response analysis Tests performed.
• Transformer protective devices operational and functional checks.
• Operational checks of cooling equipment’s.
• NGR Test and Die-electric breakdown test.
SABIC Ibn Sina
50 MVA Transformer, Preventive Maintenance
• Voltage Turns Ratio, Magnetic core balance, IR and Polarization Index, Insulation Power Factor Tan delta and Capacitance of Windings, Sweep frequency response analysis (SFRA), Di-electric frequency response analysis Tests performed.
• Transformer protective devices operational and functional checks.
• Aircell integrity checks.
• Operational checks of cooling equipment’s.
• Die-electric breakdown test.
Engie
21.6 KV Generator Circuit Breaker Preventive Maintenance
• Breaker testing (CRM, IR, Timing test) and function test (interlock checking).
• Disconnector and Earth switch function and operation check.
• SF6 gas purity test.
• Refilling the SF6 gas in low compartment.
SWCC
21.6 KV Generator Circuit Breaker Preventive Maintenance
• Breaker testing (CRM, IR, Timing test) and function test (interlock checking).
• Disconnector and Earth switch function and operation check.
• SF6 gas purity test.
• Refilling the SF6 gas in low compartment.
SABIC GAS
50 MVA Transformer, Preventive Maintenance
• Voltage Turns Ratio, IR and Polarization Index, Insulation Power Factor Tan delta and Capacitance of Windings, Sweep frequency response analysis (SFRA) Tests performed.
• Transformer protective devices operational and functional checks.
• Aircell integrity checks.
• Operational checks of cooling equipment’s.
• Die-electric breakdown test.
SABIC Yanpet
115KV GIS Preventive Maintenance
DS/ES Mechnaical equipment replaced.
Old Filter replaced with new Filter.
Presurre gauges new installed.
SF6 gas purity test and Leakage detection check in all compartments.
National Grid
380 KV GIS First Operation of 2 Dia
LCC Scheme check.
Trouble shooting of Scheme.
DS/ES interlocking Check.
Manual operation of DS/ES, VT.
Function check of CB, DS/ES and Local alarams.
GIS contact Resistance Test.