Let’s win!

YOU LIKE HAVING CONTROL OVER YOUR OWN LIFE.

YOU DON’T WANT TO SACRIFICE COMFORT.

YOU DON’T LIKE WASTING YOUR OWN MONEY – OR VALUABLE RESOURCES.

SO IT ́S TIME TO DEAL MORE CONSCIOUSLY WITH OUR PLANET’SNATURAL RESERVES.

IT ́S TIME FOR A CHANGEIN BEHAVIOUR.

NATURALLY WITHOUT SACRIFICING COMFORT.

EVERYONE CAN CONTRIBUTE BY REDUCING THEIR ENERGY CONSUMPTION.

ULTIMATELY, IT ENTAILS JUST A SMALL GESTURE.

WITH A BIG WIN FOR YOURSELF, BUT ABOVE ALL FOR THE ENVIRONMENT.

Signature-LetsWin

 

Je hebt je leven graag zelf in de hand.

Je wilt niet inboeten aan comfort.

Je verspilt niet graag je eigen geld.

En ook geen kostbare grondstoffen.

Daarom is het tijd om bewuster om te gaan met de natuurlijke reserves van onze planeet.

Het is tijd voor een gedragsverandering.

Uiteraard zonder in te boeten aan comfort.

Het enige wat je hiervoor hoeft te doen is je energieverbruik aanpassen.

Het gaat tenslotte maar om een kleine geste.

Met een grote winst: voor jezelf, maar vooral voor het milieu.

4 Comments

  1. I’m impressed by what you have accomplished. A colleague told me about your application and since I have tried to understand how i works.
    From his explanation, I have understood, there is a current sensor on each electrical phase, but what about the voltage(s) measurement(s) ?

    Thank you in advance for your answer.

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    1. Hey, You can find more explanations in the HelpCenter (under Support) on the website of http://www.Smappee.com
      but the Voltage is measured via the Power Supply. So the Power is correctly calculated, as well as phase of current versus voltage, etc.
      For 3 phase voltages, we take the phase measurement (power of the Smappee) and shift this 120° as it is in real life. The amplitude of the second and third phase voltages are assumed to be equal to the first phase (power of the Smappee). The error introduced by this assumption has proved to be very limited.
      Best regards and thanks for your feedback and interest.

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    2. Hello, sorry for this late answer. The voltage is measured via the power supply cable. So Smappee measures the power very accurately, even also power factor and phase between voltage and current.
      See more http://www.smappee.com and go to the support and help center page for many more articles .
      Thanks for the compliments.

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    3. Hey, sorry for the late answer.. But yes the voltage is important! Otherwise you can’t differentiate when you export energy (eg with your panels) versus consuming. Current is positive or negative versus the Voltage. There are a number of Current clamps, battery powered, and they really mess up. On top of this. We observe voltage variations between day and night of over 10%. So this makes simple current clamps without measurement of voltage, very inaccurate. The trick is that we measure the voltage via the power cable that feeds our Smappee. We had to design our own power supply, with isolation, etc. instead of using the cheap, readily available USB power adapters providing 5Volt. But this is DC, and not the AC 230V waveform. Your point is important! And is one of the many differentiators we have with this Smappee concept. Thanks for your feedback!
      Stefan

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