Lakho - Project Engineer Electrical Power - Lahore, Punjab, Pakistan

Mazhar Ali Lakho

Lahore, Punjab, Pakistan


Project Engineer Electrical Power

Work History

Deputy Manager Electrical


From October 2006

Ittehad Chemicals Ltd. is a heavy & continuous/chemical process industry, company is a major supplier of
Caustic Soda in Pakistan. Having its own gas-engine power plant with capacity of 30MW and also purchase power from domestic power company (WAPDA) which is 35MW via
132/11KV Grid Station. I am working in 132/11KV Grid Station, I report to my
Sr. Manager and Head of Department .I manage a team of 1 Qualified Engineer, 2
Supervisors 5 skilled Electricians and 2 Switch Board Operators. When any emergency comes,
I supervise team of skilled workers about 20 to 30 to solve that problem on top most priority.

Main Responsibilities:
-To ensure reliable power supply for continuous process industry.
-To Distribute & Control Power Supply at 132KV Grid Station.
-Maximum Demand & Load Control.
-Power Factor Control.
-Tariff Calculation & Billing.
- Units Consumption Analysis.
-Energy Monitoring & Conservation.
-Trouble shooting and maintenance of following Main Equipments at 132KV Grid Station.
➢ 10/13MVA, 132KV/11KV Power Transformers.
➢ SF6 Circuit Breakers.
➢ Current Transformers.
➢ Potential Transformers.
➢ Lightening Arrestors.
➢ Isolators.
➢ Vacuum Circuit Breakers.
➢ Protection Relays.
➢ Protection Supply.
-Testing & Inspection of 132KV Complete Bays of Power Transformers (10/13MVA).
Transformer Tests:
➢ T.T.R of Power Transformers.
➢ Voltage Ratio Test of Power Transformers.
➢ Short Circuit Test of Transformers.
➢ Insulation Resistance Test of Transformer Windings.
➢ Di-electric Strength Test of Transformer Oil.
➢ Transformer Oil Dehydration.
➢ Capacitance & Dissipation Factor Test.
➢ Earth Testing.
Protection Relays Tests:
➢ O/C, E/F & S/C Relay (CDG-61) Testing & Plug Setting.
➢ Differential Relay (7UT5125 Siemens) Testing & Marshalling.

Electrical Engineer


July 2005 - August 2006

IRRSA Switch gears company is the supplier of Switchgears Medium and Low Voltage
Panels in the Industrial zone of Lahore Pakistan. Where I take hold of 5 members team of 3
skilled Electricians and one Fabricator and a Fitter also. I reported directly to CEO.
-Design Medium Voltage Panels according consumers demand.
-Design Lighting Scheme for Streets and Roads.
-Design Star-Delta Starters for Induction Motors of various loads.
-To meet consumers complaint & to rectify the problems.

132KV Circuit Breaker Test

Protection Relays

(7SJ 5005, 7SJ 6025 & 7SK 88) Testing & Setting.
➢ Transformer Winding & Oil Temperature Relays Testing & Setting.
➢ Transformer Buchholz Relay Testing.
132KV Circuit Breaker Test:
➢ Contact Resistance Test.
➢ Timing Test (Closing & Opening Time of Contacts).
➢ Protection Test.

132KV Current Transformer Test:
➢ Insulation Resistance Test.
➢ C&DF Test.
➢ Current Injection Test (Ratio Test).
132KV Lightening Arrestor Test:
➢ Insulation Resistance Test.
132KV Potential Transformer Test:
➢ Insulation Resistance Test
➢ C&DF Test.
11KV Vacuum Circuit Breaker Test:
➢ Vidar Test.
➢ Contact Resistance Test.
➢ High Pot Test.
➢ Protection Testing.
➢ High Pot Test.
➢ Impedance Test.
➢ Specific Gravity Test.
➢ Cell Voltage Test.
➢ Ampere Hour Test.
➢ Thermo vision survey of Yard.
➢ DC Grounding Test.
➢ Earthing Integrity Test of Mesh.
-To follow & check schematic, control & terminal wiring diagrams of 132KV Grid Station Control, Protection Equipments and Panels.
Troubleshooting & Maintenance of Rectifier Transformers & Rectifiers.
➢ Rectifier Transformers.
➢ Rectifiers.
➢ Diode Rectifiers.
➢ Thyristor Rectifiers.
➢ ACPD (Anode Control Protection device) Panels.
➢ Ion Exchange Membrane(IEM) Rectifier.
Induction Motors Maintenance & Selection.
➢ Power Cable.
➢ Motor Drive.(Variable Frequency Drives).
➢ Motor Starter (Direct On line Starter & Star Delta Starter).
➢ Motor Protection Scheme.
➢ Over Current Protection.
➢ Thermal Protection.
➢ Thermography.
➢ Vibration Analysis.
➢ Bearing Selection.
➢ Winding Wire Selection.
➢ Troubleshooting & Maintenance of Induction Motors up to 160KW.

Selection & Planning for erection, modification & expansion according the demand of Plant.
➢ Power Cable Selection.
➢ To follow erection drawings.
➢ Power Factor Improvement Equipments Calculation & Selection with respect to the Load.
➢ Lighting System Calculation...


Project Engineer

 Grid System up Gradation with AREVA Pakistan.
 Parallel Operation of Power Transformers 03Nos. (10/13MVA) on One Bus.
 Synchronization & Phase Sequence Confirmation of Power Transformers with Wartsila Pakistan.
 Grid System Renovation & Replacement of 132KV Gantries, Conductors, Clamps & Equipments with WAPDA (LESCO) Pakistan.
 Up gradation of Electrolysis Cell Room by Installation & Commissioning of ACPD (Anode Cathode Control Device) Panels with DENORA ITALY.
 Erection & Commissioning of Calcium Chloride Plant with NIVOBA Netherland.

 Grid System up Gradation with AREVA Pakistan

we have worked with Areva Pakistan for upgradation of 132KV Grid Station at ICL KSK Pakistan.
we have brought 03Nos. 10/13MVA P-T/Fs on one BUS by Parallel Operation for increasing Plant Load.

Qualifications & Certifications

Bachelor Of Engineering (Electrical Power)

QUEST Nawabshah Sind Pakistan

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