Test and Validation Engineering (Power Converters – up to MW range)

Role Summary

This role owns the V&V; of high-power converter systems—from early validation strategy to final regulatory approvals across global markets (India, EU, US). Testing Engineer will Support for

Ensuring

Key Responsibilities

1. Test Strategy & Validation Architecture

- Define end-to-end V&V; strategy aligned with certification requirements
- Develop Design Verification Plan (DVP) & Product Validation Plan (PVP)
- Ensure traceability from requirements → test cases → certification clauses

2. Support Test Infrastructure Development

- Build and manage:
- MW-scale test benches
- Grid simulators & regenerative load setups
- Battery emulators for PCS validation

- Ensure infrastructure supports pre-compliance + certification testing

3. Test Automation & HIL

- Lead automation architecture:
- Python / LabVIEW / TestStand frameworks

- Develop HIL-based certification scenarios:

- Grid fault simulations
- Dynamic grid behavior

4. Functional & Performance Validation

- Validate:
- Grid synchronization, PLL, power control
- LVRT / HVRT / anti-islanding
- Protection mechanisms

- Perform efficiency, thermal, and dynamic response validation

- Pre-compliance → certification testing → final approval

- Act as single point of contact for certification bodies and agencies

Standards & Compliance Scope

- Lead compliance for:
- Safety standards: IEC 62109, UL 1741
- Grid interconnection: IEEE 1547, IEC 61727, IEC 62116
- EMC/EMI: IEC 61000 series
- Efficiency & performance: IEC 61683, EN 50530

- Ensure compliance with:

- Regional grid codes (India, Europe, North America)

Certification Planning & Execution





- Translate standards into:
- Test cases and validation procedures
- Design requirements (DFx: DFM, DFS, DFT)

- Plan and execute:

- Pre-compliance testing (in-house)
- Certification testing (external labs)

External Lab & Agency Management

- Interface with:
- NABL / TÜV / UL-certified labs
- Regulatory bodies and utilities

- Manage:

- Test scheduling, documentation, issue closure
- Certification timelines and cost optimization

Documentation & Technical Files

- Prepare and review:
- Technical Construction File (TCF)
- Test reports, compliance reports
- Risk analysis (FMEA, hazard analysis)

- Ensure audit readiness

Gap Analysis & Risk Mitigation

- Conduct:
- Standard compliance gap analysis early in design

- Drive:

- Design changes to ensure first-pass certification success

Grid Code Validation (Critical for MW Systems)

- Validate compliance with:
- LVRT/HVRT curves
- Reactive power support
- Frequency ride-through

- Coordinate with utilities for grid compliance testing

6. Reliability & Environmental Testing

- Execute:
- HALT / HASS
- Thermal cycling, vibration, humidity

- Support certification-related environmental requirements

7. Cross-functional Leadership

- Work closely with:
- Design, Controls, Firmware teams

- Influence design for:

- Testability




- Certifiability (this is key at senior level)

8. Data Analytics & Reporting

- Automate:
- Certification reports
- Validation dashboards

- Track:

- Certification readiness metrics

Required Qualifications

Education

- Diploma /B.E./B.Tech

Experience

- 6 + years in:
- Power electronics validation
- Certification of grid-connected systems

- Proven experience with MW-scale converters / PCS / inverters / EV chargers

Technical Skills

Certification Expertise

Hands-on experience with:

- IEC / UL / IEEE standards
- Grid compliance testing

Experience in:
- Taking products through full certification cycles

Power Electronics

- Inverters, rectifiers, DC-DC converters
- Topologies:
- NPC, Vienna, T-type, LLC, DAB

Test & Measurement

- Power analyzers, oscilloscopes, EMI receivers
- High-voltage/high-power testing

Automation & HIL

- Python, LabVIEW, MATLAB
- dSPACE / OPAL-RT / Typhoon HIL

Leadership & Behavioural Skills

- Solid ownership of certification deliverables
- Ability to challenge design for compliance readiness
- Stakeholder management (labs, auditors, internal teams)

Key KPIs

First-pass certification success rate

- Certification cycle time
- Number of certification failures/retests
- Validation coverage
- Field compliance issues

Preferred Experience

- Solar central inverters / PCS / BESS (1500V systems)
- EV fast charging systems
- Global certification exposure (multi-region product launches)

Nice-to-Have

- Experience working with:
- TÜV / UL / Intertek / CSA labs

- Knowledge of:

- Cybersecurity standards for grid-connected systems (IEC 62443)

📌 Testing Engineer (India)
🏢 LT-Larsen & Toubro
📍 India