Job Description:Technical Lead – Central Inverter DevelopmentLocation:India -BangaloreExperience:12–15 yearsDomain: Power Electronics –Solar / BESS / Grid-tied SystemsRole SummaryLead the design, development, and industrialization of high-power central inverters (250 kW – multi-MW range) for solar PV and energy storage applications. Own system architecture, drive cross-functional execution, and ensure compliance with grid codes and reliability targets.Key Responsibilities1.System Architecture & DesignDefine end-to-end architecture for central inverter systems:Topology selection (NPC, ANPC, T-Type, Modular Multilevel)Power stage design (IGBT / SiC based)Define:DC bus structure (1000V / 1500V systems)Thermal management strategy (air / liquid cooling)Efficiency optimization (>98.5%)2.Power Electronics DevelopmentLead design of:DC-AC inverter stageLCL filters and EMI/EMC complianceGate driver and protection circuitsEvaluate semiconductor technologies:IGBT vs SiC trade-offs (cost vs efficiency vs switching frequency)3. Control & FirmwareDefine and guide control algorithms:Grid synchronization (PLL)Current control loops (dq control)MPPT (if integrated)Grid support functionalities:Reactive power controlLVRT / HVRT complianceInterface with DSP/FPGA teams4. Grid Compliance & StandardsEnsure compliance with:IEC standards (IEC 62109, IEC 61727, IEC 61000)IEEE 1547Indian grid codes (CEA regulations)Lead certification efforts (CE, UL if export-focused)5.



Thermal & Mechanical IntegrationWork with mechanical teams for:Heat sink designCFD validationIP rating (IP54/IP65 outdoor systems)6. Reliability & SafetyDefine:Derating strategiesLifetime calculations (mission profile-based)Conduct:FMEA / DFMEAHALT / HASS testingEnsure functional safety alignment (where applicable)7. Team LeadershipLead a cross-functional team:Power electronicsControlsMechanicalValidationMentor engineers and drive design reviews8. Vendor & Cost OptimizationWork with vendors for:Magnetics, semiconductors, capacitorsDrive:Cost reduction (?/kW)Design-to-cost initiativesRequired QualificationsEducationB.E./BTech in Electrical / Power ElectronicsMTech / PhD preferredExperience10+ years in power electronics designStrong experience in:Central / string inverters ORHigh-power converters (≥100 kW)Technical SkillsMust-HaveHigh-power converter design (≥100 kW to MW scale)Topologies: NPC / ANPC / T-typeSimulation tools: PLECS, MATLAB/SimulinkMagnetics & filter designThermal design basicsGood-to-HaveSiC-based converter designGrid-forming inverter conceptsBESS integration knowledgeCommunication protocols (Modbus, CAN, IEC 61850)Key Performance Indicators (KPIs)Efficiency (%)Power density (kW/m³)Cost per kW (?/kW)Field failure rate (FIT)Time-to-marketBehavioural CompetenciesStrong ownership mindsetSystem-level thinkingAbility to resolve ambiguityStakeholder managementTypical Companies Hiring for This Role (India)SungrowHitachi EnergyDelta ElectronicsTata Power SolarWaaree EnergiesMedha DrivesGE Power Control

📌 Tech Lead - Central Inverter R&D (Karnataka)
🏢 LT-Larsen & Toubro
📍 Karnataka