Photovoltaic power generation has gained attention in recent years, largely due to a new sense of urgency regarding the prevention of global warming. Thermal power generation and other forms of power based on the limited resources of oil and coal release environmentally harmful CO2, the main cause of global warming. Photovoltaic power on the other hand, does not require these raw materials, does not release CO2, and is a clean, renewable energy source; therefore it is considered to be a major energy alternative for the future. For the evaluation of voltage, current, and power in photovoltaic power generators, the WT500 Power Analyzer provides measurement with world-class DC and AC signal accuracies.

Measuring Power Conversion 1

Measuring Power Conversion 2

Solution Features

  1. High accuracy DC measurement
  2. Simultaneous DC and AC measurement
  3. Large current / high voltage measurement
  4. Efficiency measurement
  5. Variety of display formats and setting

WT500 Features

  1. DC Accuracy: 0.1% of reading
  2. Simultaneous input and output measurement
  3. Large current direct input: 40-Arms High voltage direct input: 1000-Vrms
  4. Efficiency calculation function available
  5. Select from item numbers (4, 8, 16...), allocate items to each position.

Power Analyzers

Power Analyzers

A power analyzer measures electrical power characteristics of devices that generate, transform, or consume electricity. Also called power meters or wattmeters, these devices measure parameters such as true power (watts), power factor, harmonics and efficiency in inverters, motor drives, lighting, home appliances, office equipment, power supplies, industrial machinery and other devices. Power analyzers also enable engineers to minimize energy loss due to distorted, transient waveforms in power electronics such as inverters, motors, lighting circuits, and power supplies. 

Yokogawa, the world's leading manufacturer of electrical power analyzers, provides a broad selection to satisfy all requirements.

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