power analyzer partners

Power Measurement for Energy Conversion Efficiency Testing

Understanding how effectively a system converts energy from one form to another is crucial for optimizing performance, reducing waste, and ultimately contributing to a sustainable future. At the heart of this understanding lies the measurement of power, a fundamental metric that dictates the efficiency of energy conversion processes. Whether it’s a solar panel turning sunlight into electricity, a wind turbine harnessing wind energy, or an electric vehicle motor propelling a car forward, power measurement is essential for evaluating performance and making informed decisions for improvement. Energy conversion efficiency testing involves determining how effectively a system can convert input energy into useful output energy.

Power Analyser Partners

Danisense’s current transducers are approved and recommended by following instrument partners

The power measurement is critical for various reasons:


Optimization and Validation of Design

By measuring power at different stages of energy conversion, engineers and researchers can identify inefficiencies and areas for improvement. In addition, it allows designers to validate their theoretical models and simulations. Real-world data on power output can confirm whether a system behaves as expected or if adjustments are needed.


Certification Tests

Accurate power measurement is a fundamental requirement in certification tests for energy efficiency standards. Compliance with these standards ensures products meet the required efficiency levels.


Product Quality

Manufacturers use power measurements to ensure the quality and reliability of their products. Whether it’s a solar inverter, variable frequency drive or a battery charger, accurate power measurements are crucial for meeting performance standards.

Importance of
Current Measurement

A F1 car can have the best engine if the tires are not performing the overall performances will not be optimal. For the power measurement it is the same: without an accurate current transducer, the performances of the whole measuring chain will not be optimal.

Therefore, when selecting a current transducer following parameters are critical:     



Precise current measurement ensures accurate power calculations, vital for efficiency assessments. Even slight inaccuracies can lead to significant errors in efficiency evaluations.


Phase Shift

In AC circuits, phase shift between voltage and current can affect power measurements by introducing calculation errors. Accurate phase measurements are crucial for understanding power factors and system performance.



Modern converters using SiC or GaN power semiconductors significantly increase the switching frequency. A wide bandwidth in current measurement allows capturing rapid changes accurately.