Testing Engineer - Inverter

Testing Engineer for inverters—especially in the context of power electronics—plays a crucial role in validating the performance, safety, and reliability of inverter systems used in applications like renewable energy (solar, wind), EVs, industrial drives, and UPS systems.

Here's a detailed breakdown of the roles and responsibilities for a Testing Engineer (Inverters):

⚙️ Core Responsibilities

1. Test Planning & Execution

- Develop and execute test plans for functional, performance, and environmental testing of inverters.

- Perform type testing, routine testing, and compliance testing according to relevant standards (e.g., IEC, UL, IS, IEEE).

- Verify electrical parameters: efficiency, voltage regulation, current handling, power factor, harmonic distortion (THD), etc.

2. Hardware Testing

- Conduct tests on PCBs, power stages, gate drivers, control boards, and integrated inverter units.

- Perform high-voltage and high-current testing, isolation tests, and temperature profiling.

- Verify thermal management effectiveness under load (heat sink, fans, liquid cooling if applicable).

3. Software & Control Testing

- Validate firmware functionalities: MPPT algorithms, PWM control, overcurrent/overvoltage protection, fault handling.

- Test embedded control systems,



response times, and real-time behaviors under various load conditions.

4. Test Automation & Tools

- Use oscilloscopes, power analyzers, logic analyzers, and DMMs to monitor signals and collect data.

- Develop or use automated test benches (LabVIEW, Python, MATLAB) for repeatable testing and data logging.

5. Standards Compliance & Certification

- Ensure compliance with safety and performance standards like:
- IEC 62109 (safety of power converters)

- IEC 61000 (EMC testing)

- UL 1741 / IEEE 1547 (grid-tied inverter standards)

- Support third-party certification testing or audits.

6. Failure Analysis & Debugging

- Investigate test failures or anomalies, perform root cause analysis, and provide corrective actions.

- Collaborate with R&D; and design teams to resolve bugs or design issues.

7. Documentation & Reporting

- Maintain detailed test logs, test case documentation, and bug reports.

- Prepare test summary reports for internal stakeholders or for certification bodies.

8. Continuous Improvement

- Suggest improvements to test methods, fixtures, or tools.

- Participate in product design reviews from a testability and validation perspective.

📌 Testing Engineer - Inverter (Delhi)
🏢 Eastman Auto u0026 Power
📍 Delhi