Robert Juchniewicz

Pre-sales contribution: - BESS technical support for customers - preparation of seminars and trainings - overview on market trends and subsidies - translation of customer needs to technical requirements - analysis of customer documentation and tenders - market and industry research Technical solution contribution: - preparation of Technical proposals matching customer needs including scope of supply - management of technical data - calculation of BESS capacity and SOH degradation - analysis of BESS operational lifetime at desired operating conditions - coordination of technical documents with customer Project realisation contribution: - providing technical backbone to customer system integration questions - explanation of all BESS sub-systems relevant to customer needs - management of customer as-built documentation

E/E Technical analysis: • Simulations [Short circuit, precharge, inrush currents, EMC attenuation, parallel pack connection], • Calculations [Clearance&Creepage, Short Circuit, precharge, DCIR, path resistance, busbar dimensioning], • Standards investigations [E/E RQs, HV safety, Insulation coordination], • Market research [E/E components, benchmarking, applicable material studies, applications, architectures], • Studies [E/E components, Switch-off concepts, market possibilities, feasibility studies, comparison matrix] • Validation [Test overview, DVP plan, Test discription] • Functional alignment [drawing of schematics, analysis of load currents and functionalities, translation of customer needs, architecture analysis] - Component ownership/management: • Supplier contact [meeting organization, OPLs, MoMs, topic management and coordination, change requests]; • Requirement engineering [standards analisis, discussions with customer, requirements and specification creation] • Customer/Supplier/Manufacturer contact [responsible topic handling, feasibility assessments, change management] - Timeline assessment and management

E/E Technical analysis: • Simulations [Short circuit, precharge, inrush currents, EMC attenuation, parallel pack connection], • Calculations [Clearance&Creepage, Short Circuit, precharge, DCIR, path resistance, busbar dimensioning], • Standards investigations [E/E RQs, HV safety, Insulation coordination], • Market research [E/E components, benchmarking, applicable material studies, applications, architectures], • Studies [E/E components, Switch-off concepts, market possibilities, feasibility studies, comparison matrix] • Validation [Test overview, DVP plan, Test discription] • Functional alignment [drawing of schematics, analysis of load currents and functionalities, translation of customer needs, architecture analysis] - Component ownership/management: • Supplier contact [meeting organization, OPLs, MoMs, topic management and coordination, change requests]; • Requirement engineering [standards analisis, discussions with customer, requirements and specification creation] • Customer/Supplier/Manufacturer contact [responsible topic handling, feasibility assessments, change management] - Timeline assessment and management

- design of vehicle electrical functionalities/architecture; - understanding of road vehicle functionalites, - complying with customer needs and required standards from Elelectric/E-mobility field of work; - component selection, supplier contact; - creation of functional schematics, electrical documentation; - tight cooperation with wire harness manufacturers; - review and rework of electrical intrfaces; - manual involvment in prototype construction; - assembly of electrical components in batteries/safety components/vehicle; - integration of systems, analisys and diagnosis;

- Student non-profit R&D project - scope of work: building of a car on a hard suspension for person with disabilities (wheelchair user with limited range of motion) - participant responsibilities: design of electrical supply architecture, construction of electrical nterface and harness, integration of components, test drives, component selection and calculation

- contact with suppliers/manufacturers; - creation/iteration/revision/management of electrical documentation (2D, 3D, executive); - market research; - component calculation/slection; - prototype and production revision, problem-solving - direct contact with purchasing department;

- creation of documentation for automotive battery wire harness (2D, 3D and supplier/executive documentation); - component selection; - supplier/manufacturer contact; - problem solving on protoype/production batteries

- Non-profit organisation/science club based on Warsaw university of Technology - Scope of work: powertrain, batteries, e-motors, BMS design, e-mobility, e-racing, construction and design of electric go-carts - Participant responsibility: design of wiring harness, integration of components, precharge circuit, diagnosis, problem solving, construction of design

Thesis of my masters diploma was based around analysis and control of hardswitched and resonant dual active bridges (DAB topologies)