Electrical Engineer Quality

Alireza Tarighat, Electrical Engineer.

*** ***** **** **., *******, ON

1-647-***-****, *******.********@*****.***

Summary of Qualifications

Electrical Engineer experienced in design and commissioning for HV/MV/LV Transmission and Distribution substations and various electrical projects as follows:

· Prepared conceptual and detailed design for HV/MV/LV Transmission and Distribution substation projects.

· Executed power system studies and calculations utilizing analysis software such as ETAP.

· Experienced in selecting, sizing, calculation of electrical equipment in the range of HV, MV and LV according to applicable standards and codes.

· Prepared technical specifications for main and auxiliary electrical equipment.

· Developed plot plans and elevation drawings for indoor/outdoor HV/MV/LV substations

· Developed Switchgear/Control room layout /cable schedule /wiring diagrams.

· Prepared Bill of Materials for HV/MV/LV substation equipment.

· Prepared cable schedule and wiring diagrams for HV/MV/LV substation projects equipment.

· Solid understanding of relay protection and familiar with different protection relay technologies including numerical and solid state (GE, Siemens, ABB).

· Executed commissioning high voltage power transmission and medium and low voltage distribution substations from different technologies

· Managed pre-commissioning, commissioning of HV/MV/LV substations.

· Experienced in electrical detailed design for Hydro powerplant projects.

· Attended and witnessed factory acceptance tests for of HV/MV/LV equipment.

· Familiar with North American codes and standards such as CSA, NEC, IEEE, NFPA, NFPA/E. Professional Work Experience

Northern Transformer, Toronto, Canada, Electrical Quality Engineer, From Sep.2023 a) Preparing factory test procedures for power transformer routine and special tests, Inspection test plan ITP, for Medium Voltage 13.8-63kV power transformers.

b) Leading test factory test team for power transformer routine and special tests. c) Preparing Factory acceptance test reports.

d) Preparing bid document and Bill of material for factory laboratory test apparatus and equipment, bid evaluation, review of manufacturer/ vendor technical documents. Petro Pars Company, South Pars Gas Refinery Projects, Assaluyeh, Iran, Electrical Engineer, July 2013 to May 2023 a) Preparing conceptual and detailed design including preparing technical specification, Main SLD, Protection/ Control SLD, Layout and elevation drawing, cable schedule and wiring for various projects 132kV and 33kV substations. b) Conducting short circuit and sizing calculations for the 132kV, 33kV network and substations. c) Preparing Bill of material and proposal evaluation for 132kV, 33kV substations equipment including HV/MV/LV equipment, Power transformers, station service and grounding transformers, neutral grounding transformers, MV/LV Cables, Protection relays/ control equipment, batteries, chargers, etc. c) Witnessed factory acceptance tests at manufacturer workshop evaluation for 132kV, 33kV substations equipment including

HV/MV/LV equipment, Power transformers, station service and grounding transformers, neutral grounding transformers, MV/LV Cables, Protection and control equipment, batteries, chargers, etc. d) Supervised installation, pre-commissioning and commissioning of Various 132Kv, 33kV substations. Farab-Hydro Power projects (Tehran/Iran), Electrical Engineer, January 2003- June 2013 Karkheh (3x140 MW), M-E-S (4x250 MW), M-E-S Extension (4x250 MW), Siah bishe Pump storage (4x250 MW) a) Prepared bid document and Bill of material, bid evaluation, detailed design review of subcontractor / manufacturer/ vendor documents for 15.75 kV generator isolated phase bus ducts, generator switchgear, 15.75 kV /400 kV generator step- up transformer,15.75 kV/400 V auxiliary transformer, 400 kV SF6 bus ducts and switchgear, 400 kV XLPE cable and termination, 400kV Take-off switchyard, LV cables for plant auxiliary distribution, auxiliary ac and dc switchboards, 220VDC and 48VDC batteries and chargers, protection system for complete plant. Alireza Tarighat, HV Substation commissioning Eng. Page 2 of 2

b) Prepared detailed design documents such as main single line diagram, plot plan and lay out drawings, plant protection scheme, logic and interlocking diagram, auxiliary supplies single line diagrams, load list for 400vac-220vdc-48vdc auxiliaries, cable schedule, cable wiring and termination diagram, grounding drawings. c) Conducted short circuit calculations for plant 400kV and 15.75 kV systems, 400 kV XLPE cable sizing calculation, grounding system design calculations

d) Witnessed factory routine and acceptance tests at manufacturer workshop for plant protection systems, generator switchgear, power and auxiliary transformers, auxiliary ac and dc switchboards, battery and battery chargers, LV cables, 400kV Take-off switchyard equipment such as circuit breakers, disconnecting and earthing switches, current and voltage transformers.

Tavanir, Power transmission project (Tehran/Iran), commissioning engineer 1998-2003 Gonbad 230/63kV substation, ABB, Gilan powerplant 230kV substation, Kashan 230 kV substation, Ghaen powerplant 132 kV substation, 2x45 MVA, Hitachi, North Rey 230 kV substation, ABB

- Executed commissioning of Iranian national power grid transmission substations including switchyard equipment, power and auxiliary transformers, control system, metering and protection systems briefly demonstrated below;

- 230 kV /132 kV/63 kV circuit breaker (from ABB, Siemens, Hitachi, etc.) tests including mechanical operation test, SF6 gas leak test, close and tripping time measurement, contact resistance measurement, dielectric test.

- 230 kV /132 kV/63 kV disconnecting and earthing switch tests including mechanical operation test, switching time measurement, contact resistance measurement, dielectric test, mechanical and electrical interlocking.

- 230 kV /132 kV/63 kV current and voltage transformer test including dielectric test, ratio test, winding polarity check, winding dc resistance measurement, magnetizing curve test, voltage /current transformer secondary wiring to measuring and protection devise continuity check by injecting voltage/current, measuring current transformer secondary circuits loop resistance.

- Power and auxiliary transformers tests: insulation resistance test (on windings, core, current transformers, control circuit), dissipation factor test, oil breakdown test, ratio test, vector group, windings resistance measurement, tap changer operation test, cooling fan and pump operation test, bushing current transformer test, thermometers and protective device test.

- Substation grounding bonding integrity test, step / touch voltage and ground resistance measurement by fall of potential method.

- Control and protection cables insulation test (meggering) and wiring checks.

- Protection relays secondary injection test measuring pick-up and reset values /curve and checking function and logic

- Protection system primary injection test to check soundness of overall protection scheme

- Busbar and transformer differential relays stability check by injecting primary currents.

- Auxiliary ac/dc supplies test including batteries, battery chargers, distribution bords Education:

Bachelor of Science in Electrical Engineering, Sharif University (Tehran, Iran). Skills:

Working knowledge of Microsoft office (word, excel). Working knowledge of power system study Software ETAP. Experienced with Arch flash study.

Working knowledge of AutoCAD, Revit Software.

Familiar with Ontario electrical safety and Ontario building codes, Municipal Bylaws. Good written and verbal communication.

References:

Available upon request.

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