09/28/2026 updated


100 % available
Senior Electrical Engineer | MV/LV Power Distribution & Commissioning Expert
Sofia, Bulgaria
Worldwide
Masters- Industrial Electric Power Supply and Installations, Sofia Technical University (1988-1994)AutoCAD
MV/LV Power Distribution & Substation Engineering
Over 32 years of expertise in electric power distribution equipment and systems for Middle and Low voltage, including commissioning, maintenance, and diagnostics of MV and LV substations, switchgear panels (Schneider SM6, MCSet, RM6), and HV substations up to 110 kV.
Commissioning & Diagnostics of Circuit Breakers and Relay Protections
Extensive hands-on experience in commissioning, testing, and diagnostics of MV and LV circuit breakers (Masterpact NW, Schneider Electric, ABB, AREVA) and digital relay protections (SEPAM, MICOM, VAMP, Easergy, Micrologic), including specialised ProDiag MV Relay diagnostics.
Photovoltaic & Renewable Energy Plant Construction
Practical experience in the construction and commissioning of large-scale photovoltaic power plants, including 100 MW PV plants, product substations, HV substations 30kV/110kV, string inverters, trackers, and cable route installation.
Power Quality Analysis & Reporting
Preparation of power quality analysis reports, load analysis, and consulting for large industrial manufacturing plants, including power factor correction, electric power filters, and compensators.
Electrical Construction & Cable Works
Pulling and laying 0.4 kV power cables, signal cables for sensors and actuators, wiring and commissioning works in MDB 0.4 kV and MV/LV substations using Schneider Electric and Siemens equipment.
Offshore & Industrial Electrical Construction
Electrical construction of offshore platforms and substations (0.4/60/240 kV) for wind farms, as well as new chemical plant electrical construction, including commissioning of MV/LV substations and Siemens MV relay protections.
ATS & Relay Protection Calibration
Calibration and commissioning of ATS and relay protection equipment and systems for low and middle voltage, MV to LV transformers, electric power supply busbars, and busbar in/out lets.
Infrared Diagnostics & Earthing Systems
Infrared diagnostics of electrical equipment, inspection and measurements of earthing systems and flash protection systems at electric power stations and substations.
Siemens Industrial Controllers (LOGO!)
Working knowledge of LOGO! Siemens industrial controllers, gained through a specialised course in Sofia, Bulgaria (2005).
Project & Subcontractor Management
Controlling activities of subcontractors on construction sites, accepting work performed, managing deadlines, and controlling commissioning work and 72-hour tests.
Over 32 years of expertise in electric power distribution equipment and systems for Middle and Low voltage, including commissioning, maintenance, and diagnostics of MV and LV substations, switchgear panels (Schneider SM6, MCSet, RM6), and HV substations up to 110 kV.
Commissioning & Diagnostics of Circuit Breakers and Relay Protections
Extensive hands-on experience in commissioning, testing, and diagnostics of MV and LV circuit breakers (Masterpact NW, Schneider Electric, ABB, AREVA) and digital relay protections (SEPAM, MICOM, VAMP, Easergy, Micrologic), including specialised ProDiag MV Relay diagnostics.
Photovoltaic & Renewable Energy Plant Construction
Practical experience in the construction and commissioning of large-scale photovoltaic power plants, including 100 MW PV plants, product substations, HV substations 30kV/110kV, string inverters, trackers, and cable route installation.
Power Quality Analysis & Reporting
Preparation of power quality analysis reports, load analysis, and consulting for large industrial manufacturing plants, including power factor correction, electric power filters, and compensators.
Electrical Construction & Cable Works
Pulling and laying 0.4 kV power cables, signal cables for sensors and actuators, wiring and commissioning works in MDB 0.4 kV and MV/LV substations using Schneider Electric and Siemens equipment.
Offshore & Industrial Electrical Construction
Electrical construction of offshore platforms and substations (0.4/60/240 kV) for wind farms, as well as new chemical plant electrical construction, including commissioning of MV/LV substations and Siemens MV relay protections.
ATS & Relay Protection Calibration
Calibration and commissioning of ATS and relay protection equipment and systems for low and middle voltage, MV to LV transformers, electric power supply busbars, and busbar in/out lets.
Infrared Diagnostics & Earthing Systems
Infrared diagnostics of electrical equipment, inspection and measurements of earthing systems and flash protection systems at electric power stations and substations.
Siemens Industrial Controllers (LOGO!)
Working knowledge of LOGO! Siemens industrial controllers, gained through a specialised course in Sofia, Bulgaria (2005).
Project & Subcontractor Management
Controlling activities of subcontractors on construction sites, accepting work performed, managing deadlines, and controlling commissioning work and 72-hour tests.
Experience
Professional experience10+ years
Freelancer since2024
Languages
BulgarianNative speakerEnglishGoodRussianGood
Project history
Construction of a 100 MW Photovoltaic Power Plant and Substation 30kV/110kV (Vinely Solar Project, Bulgaria). Construction of cable routes, installation, connection and commissioning of Trackers and String Inverters 350 kW. Construction, connection and commissioning of Product Substations 6 and 9 MVA and HV Substation 30kV/110kV. Working with project drawings, applying construction legislation, controlling subcontractors, managing deadlines and commissioning work including 72-hour tests.
Electrical construction of an offshore Platform/Substation 0.4/60/240 kV for a wind farm (Project BALTIC POWER). Pulling and connecting signal cables for sensors and actuators, connecting power cables 0.4 kV. Wiring and commissioning works in MDB 0.4 kV with SCHNEIDER ELECTRIC equipment. Cabling and commissioning works at the 60 kV and 240 kV Substations with ABB equipment (for Hitachi Energy).
Electrical construction of a new chemical plant. Pulling and laying 0.4 kV cables, pulling and connecting cables for sensors and actuators. Commissioning works in MV/LV Substation and MDB 10 kV Siemens. Wiring and commissioning works in MDB 0.4 kV with Schneider Electric equipment. Commissioning and adjustment works on SIEMENS MV circuit breakers and testing of Siemens MV relay protections.