Waveform data streaming option boosts power analyser

March 19, 2020 //By Nick Flaherty
Two options and a firmware upgrade for the Yokogawa WT5000 Precision Power Analyzer boost the measurement of efficiency or energy consumption of electric vehicles and solar systems.
An upgrades and new options for the Yokogawa WT5000 Precision Power Analyser boost the measurement of efficiency or energy consumption of electric vehicles and solar systems.

Yokogawa has added two options and a firmware upgrade to its Precision Power Analyser, including a waveform data streaming option for measuring the efficiency or energy consumption of electronic devices.

The enhancements are designed to help companies improve performance when developing or evaluating electronic devices such as electric vehicles or systems for solar and wind power installations. The DS option centres on waveform data streaming, while the focus of the G7 option is IEC harmonic, voltage fluctuation and flicker testing. In addition, a new firmware version is released that offers Modbus/TCP and raw socket communication, a navigation settings menu, webserver functions and the evaluation of multi-phase motor control.

The Yokogawa WT5000 power analyser provides measurement accuracy of ±0.03 per cent combined with stability, noise immunity and plug-in modular flexibility to meet the measurement needs of those developing energy-efficient systems.

“The WT5000, which is the flagship model of our power analyzer WT series, now offers greatly extended capabilities for companies measuring power consumption and efficiency as part of their development cycle,” said Terry Marrinan, VP Sales & Marketing Yokogawa Europe and South-East Asia. “Utilizing the latest power electronics technology, engineers can capture the variations of electric energy in more detail and use this information to optimize the development and design effort.”

In the development or evaluation of EV or renewable energy systems, continuous waveform output or synchronization between numerical data and waveform data is required. As well as benefitting from the highly accurate numerical data collected by the WT5000, users of the new DS option can stream waveform data to a PC at sample speeds of up to 2 MS/s. Voltage and current waveforms, as well as motor signals, can be streamed, allowing engineers to study transient behavior simultaneously when measuring efficiency or energy consumption.

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