DONGGI JEONG

• Experience with numerous gas turbine overhauls for 8000H, 9000HL as service technician for I&C

-done a lot of combustor inspections.
-done a lot of HGPI inspections.

-done a lot of major inspections.

-After assessing the situation at each inspection and checking the drawings and FSP, each sensor can be disassembled and assembled.

-Ability to explain I&C to the mechanical team supervisor.

• Experience with numerous gas turbine overhauls for 8000H, 9000HL as service technician for CME 1

-Burner pullback work possible.

-Ability to perform alignment assistance tasks such as TVC, CVC. Experience utilizing measuring tools such as dial gauges, ID, OD micrometers.

-Experience in disassembling and assembling bearings such as thrust bearings and radial bearings, as well as checking FSP bearings.

• Experience with replacing bearings in steam turbines with TFA.

-experience in understanding mechanical drawings and rigging bearings to replace MAD11, 12 bearings.

-experience installing sensors such as TC sensors and speed sensors attached to bearings and rotors after bearing replacement. After checking the drawing and FSP, the sensor replacement work can be done independently.

• Ability to work in discussion with customers.
• A basic understanding of mechanical drawings.
• Understand I&C field drawings and connection drawings

• Calibration of measuring instruments related to direct current and alternating current

-Understanding of the use of measuring instruments

-Function generator, multimeter, temperature calibrator, power supply, leakage current meter, precision equipment, oscilloscope, oscillator, encoder

• Field calibration of instrumentation

-Calibration of instruments connected to the field

-Ability to negotiate with clients

• Optimized equipment performance through rigorous testing, troubleshooting, and analysis.

• Performed maintenance procedures and repairs on existing electrical products and systems for BOP.

-Switchgear routine maintenance work

-MCC Maintenance Management

-motors related to drainage

• Commissioning for electrical work

-After the switchgear is energized, the function test is performed

-MCC pre-pressurization function test work

-Check rotation direction and wiring before pressurizing the motor

-Installation and diagnosis of equipment for measuring voltage, current, and reverse phase

• Troubleshooting issues discovered during commissioning

-Correct the wiring after checking the electrical drawing

-Create a punch list after identifying the problem