Largest Swiss rice mill monitors energy distribution digitally

Largest Swiss rice mill monitors energy distribution digitally

La Riseria is expanding and renewing its production facilities in Ticino. This company, owned by Migros, Switzerland’s largest retail company, is pursuing a comprehensive sustainability program. La Riseria relies on ABB's digitally monitored low-voltage distribution system, a first in Switzerland.

In Switzerland, rice consumption is growing every year, currently at around six kilograms per person, per year. Thirty years ago, only a quarter of today's volume of rice was imported into Switzerland.

A considerable part of that imported rice – around 15,000 tons per year – is processed in the largest Swiss rice mill: La Riseria in Taverne. The mill was founded in 1905 and built on the railway route between Bellinzona and Lugano. It was acquired by Migros’ founder Gottlieb Duttweiler in 1957 and now forms part of M-Industrie.

Digital innovation

In its commitment to sustainability, M-Industrie has set ambitious targets for 2020 with further visions for 2040. One of the ten areas of action is resource efficiency. The key point here is to improve energy efficiency.

In the course of this commitment to sustainability, La Riseria has decided to rely on the digitally supervised low-voltage distribution solution ABB AbilityTM Electrical Distribution Control System (EDCS). This forms an integral part of its planned renovations and expansion of the rice mill, the first installation of this digital innovation by ABB, in Switzerland.

EDCS is a cloud-based software solution that records, analyzes and optimizes energy flow within the energy supply system. Plant operators can retrieve the data anytime, anywhere via smartphone, tablet or PC.

Precise Monitoring

“Originally, we were looking for a conventional low-voltage distribution system for the new production plant,” explains Roberto Galati, sales engineer of ABB Switzerland in Ticino. “However, in the first conversation, executives of La Riseria were very interested in this digital solution in order to comprehensively monitor energy consumption, even though it had not yet been installed anywhere in Switzerland.”

The ABB Ability EDCS is not only able to monitor consumption at the main power distribution system switches, but in combination with ABB’s circuit monitoring system CMS-700, it is also able to track consumption right the way down to the lowest consumption branch of the electrical system, such as the building’s lighting.

La Riseria decided to take advantage of both and entrusted Quadranti Bruno e Figlio SA to install ABB Ability EDCS for both production and the overall building infrastructure. This family business in Ticino is a switchgear manufacturer that usually relies on low-voltage products from ABB for its projects.

ABB Ability EDCS was new territory for Quadranti: As a switchgear manufacturer, you are not necessarily a specialist in software protocols and firewalls. To connect the low-voltage distribution to EDCS, there are two options: An integrated plug & play solution via the Ekip Com Hub plug-in module for the Emax 2 central circuit breaker or an external solution via the Ekip E-Hub mounted on an A4 rail. This collects all the data of the system and transmits it to the cloud. La Riseria preferred the integrated solution and with some support from ABB, Quadranti ultimately implemented it without any problems.

In operation since summer 2018

Two low-voltage distribution boards were installed and commissioned in summer 2018, which included two open air circuit breakers Emax 2, as well as dozens of Tmax T4 and T5 molded case circuit breakers. And for the circuit monitoring control units as well as sensors of the type CMS-700.

The rice mill will expand and undergo renovations in 2019. Currently, the two new low-voltage distributions supply the existing installations.

“We are currently gaining experience with the energy consumption measurement of the EDCS and can thus analyze and record the consumption in the existing plant,” says Stefano Aimi, responsible for production, technology and logistics at Riseria. “When the new production line is up and running, we should be able to maximize its energy savings potential using EDCS. I can see, in a very detailed and with graphic visualization, where and how much electrical energy is consumed throughout the entire plant.”

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