Kraftringen – A Sensative Customer Case

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Introduction

Kraftringen is an energy company that supplies southern Sweden with a range of different services like energy, fiber networks, district heating, cooling, and more. Through various municipal and EU projects, Kraftringen has started to work with sensor communication and has deployed sensors in several different pilot projects. They have also launched their own LoRaWAN network for internal use as well as developing an IoT business unit for commercial IoT operator services.

Below you find a summary of the customer use case, click here to skip it and go directly to the video.

What Sensative supplies

Kraftringen uses Sensative’s open horizontal IoT platform Yggio to collect data in their IoT projects to be able to use the devices and systems they require. Another perk of using the Yggio platform has been that they can share and reuse the collected data in different applications.

 Kraftringen needs

 Sensative supplies

To be able to collect and send data over large areas and long distances

Using long-range narrow-band communication like LoRaWAN makes it possible to send data from sensor to gateway over a vast distance. For example, Sensative Strips for LoRaWAN can send data to a gateway up to 10 kilometers away. With LoRaWAN becoming increasingly popular and more companies installing gateways, the network and its coverage are growing fast.

To be able to choose devices and systems freely

Using the Yggio platform, users can choose freely from a wide range of IoT devices and related systems to implement and combine. In contrast to the standard siloed solutions where data and devices cannot be shared between different supplier solutions, Yggio lets customers freely choose devices and systems that best suit their specific use cases and needs.

Some of Kraftringen's projects

EV charging stations

Monitoring of charging stations for electric cars has been one area Kraftringen developed a POC (Proof of Concept) for. Kraftringen uses different sensors at charging stations to check whether the station is busy and how a visitor is utilizing that space.

Read more here

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Power cabinet monitoring

The city of Lund has many thousand power cabinets all over the city. Kraftringen tested different IoT networks and technologies to develop robust and highly secure solutions for monitoring, for instance, moisture, intrusion, and more. Things that today require manual inspection. The idea is to improve the reliability of the power distribution services while saving on manual labor, travel costs, and more.

Read more here (in Swedish).

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Reducing power outages 

A project in Lund aims to shorten the length of power outages by increasing the number of sensors in Kraftringen’s power grid. Being able to monitor the grid with sensors allows Kraftringen to locate a fault more quickly, thereby affecting fewer customers, while the fault can be fixed faster than ever before.

Read more here.

Sensative IoT platform integrates Kraftringen sensors

Monitoring of tree rooting

Another exciting area is quite a special one – Measuring the success of a transferred mature tree’s rooting process. Monitoring moisture levels in soil is an increasingly popular area for IoT implementations. 

In this case, an old tree at a schoolyard in Lund had become ill. The municipality replaced the tree with a fully grown one that was about forty years old. Due to the tree being that old, the rooting process would take a long time (up to three years), and during this time, the rooting process would be quite vulnerable.

Kraftringen placed moisture sensors on two levels around the root system to keep the soil in optimal conditions for the rooting process. Kraftringen gets a detailed picture of the soil’s moisture distribution to be very exact when watering the root system. Apart from monitoring moisture levels, sensors also monitor other soil conditions such as air permeability, PH levels, nutrition, and more.

 

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kraftringen logo PMS

To learn more about Kraftringen, visit their website @ kraftringen.se.

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