Rafael Ricardo Rojas Hernandez Email & Phone Number

Montevideo, Montevideo, Uruguay

Electrical installations calculations and designs

Paso De Los Toros, Tacuarembó, Uruguay

• Pre-commissioning of Siemens SIVACON S8 Motor Control Centers, including normal and UPS control power supply checkups, internal wiring, mechanical checkups, smart device network data update and PROFINET network setup.• Pre-commissioning, parameterization and commissioning of LV frequency variable drives of Siemens Series G120x including verification and motor startup. • Pre-commissioning, parameterization and commissioning of LV DOL Siemens' Simocode Pro V PN GP using the software TIA… Show more • Pre-commissioning of Siemens SIVACON S8 Motor Control Centers, including normal and UPS control power supply checkups, internal wiring, mechanical checkups, smart device network data update and PROFINET network setup.• Pre-commissioning, parameterization and commissioning of LV frequency variable drives of Siemens Series G120x including verification and motor startup. • Pre-commissioning, parameterization and commissioning of LV DOL Siemens' Simocode Pro V PN GP using the software TIA Portal V16, including verification and motor startup. • Filling of commissioning checklists, commissioning follow-up spreadsheets and inspection coordination with the client’s representative. • Troubleshooting on commissioned VFDs, DOL Simocode, temperature sensors, PROFINET network, etc. • Red markups for As Built drawings.• Support to Andritz Uruguay plant maintenance team, fault detection and troubleshooting (working 12 hours shifts) Show less

Montevideo, Montevideo, Uruguay

Coordination and execution of Punta del Tigre Combined Cycle Project closeout. Preparation and review of As-Built drawings. Review and coordinate with subcontractors. Review and inspections with main client, UTE. Coordination and supervision of pending works.

Punta Del Tigre Combined Cycle Plant Project (532 Mw)

- Supervision of electrical works at AIS of 500 kV, and 150 kV and GIS 150 kV - Identify and solve any problems arising with the engineering during the construction stage. - Inspections of the electrical works to verify the progress and to ensure the fulfillment of the quality standards and client’s requirements. - Site Acceptance Tests (SAT) coordination.- Technical support on lock-out and tag-out activities, equipment commissioning, maintenance and/or repair, as well as… Show more - Supervision of electrical works at AIS of 500 kV, and 150 kV and GIS 150 kV - Identify and solve any problems arising with the engineering during the construction stage. - Inspections of the electrical works to verify the progress and to ensure the fulfillment of the quality standards and client’s requirements. - Site Acceptance Tests (SAT) coordination.- Technical support on lock-out and tag-out activities, equipment commissioning, maintenance and/or repair, as well as material and equipment procurement.- Subcontractors work coordination to avoid interferences.- Punch clearance on the GIS 150kV building. Show less

Caracas, Venezuela

• Cable specification.• Material specification.• Hazardous area classification drawings.• Design of grounding systems.• Cable routing, design of exterior lighting systems, lighting drawings,• Cables sizing and schedule,• List of materials.• Coordination and support to the technical office in Abu Dhabi.• Man-hour budget management.• Quality activities of the discipline under ISO 9001 certification.

Caracas - Venezuela

As a freelance electrical engineer, I have had the opportunity to participate in projects of a wide variety of types, from residential projects including buildings and urban planning to commercial projects that include office buildings, restaurants, warehouses, and also projects in the industrial area such as gas plants, electrical substations, and large industrial complexes. In all of them, I worked on lighting design, electrical conduit design, panelboard scheduling, equipment layout… Show more As a freelance electrical engineer, I have had the opportunity to participate in projects of a wide variety of types, from residential projects including buildings and urban planning to commercial projects that include office buildings, restaurants, warehouses, and also projects in the industrial area such as gas plants, electrical substations, and large industrial complexes. In all of them, I worked on lighting design, electrical conduit design, panelboard scheduling, equipment layout drawings, lightning protection design, grounding systems, cable sizing, among other things. Show less

Caracas, Venezuela

Simulation and design of interior lighting systems of the thermoelectric plant buildings in the freeware DIALux 4.12. Sizing of cable feeders to lighting and outlet panels. Design of lighting and outlet drawings. Panelboard schedule. Preparation of bills of materials, metric computations. Design of construction details of the lighting system and building outlets, load lists, and equipment interconnection list. Experience as a field engineer in the construction of the "Alberto Lovera Electric… Show more Simulation and design of interior lighting systems of the thermoelectric plant buildings in the freeware DIALux 4.12. Sizing of cable feeders to lighting and outlet panels. Design of lighting and outlet drawings. Panelboard schedule. Preparation of bills of materials, metric computations. Design of construction details of the lighting system and building outlets, load lists, and equipment interconnection list. Experience as a field engineer in the construction of the "Alberto Lovera Electric Generation Plant" Puerto La Cruz - Venezuela, connection, testing, and commissioning of electrical equipment. Management of the SISMA Materials Control System program. Design, edition, and printing of drawings in AutoCAD 2009. Show less

Caracas, Venezuela

Simulation and design of indoor and outdoor lighting systems for thermoelectric plants in the freeware DIALux. Cable sizing. Design of drawings for underground and exposed electrical conduits, lighting, outlets. Preparation of cable schedules, bills of materials and equipment, metric computations. Electrical load tables. Calculation notes. Load flow studies, motor starting, and short circuit analysis. Design, editing and printing of drawings in Microstation V8 format.

Especialista En Instalaciones Eléctricas, Ingeniería Eléctrica Y Electrónica, 4,90 / 5

Ingeniería, Electrical And Electronics Engineering, 7,18 / 9

Activities and Societies: Durante mi estadía en la UNEXPO pertenecí al Ensamble Coral Polifónico de la universidad donde tuve la.