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Alfen guarantees BESS quality through performance testing

Alfen guarantees BESS quality through performance testing

door CN Rood

The Alfen Battery Energy Storage Systems (BESS) balances energy supply and demand and helps to avoid heavy infrastructure investments in the power grid. Self-generated energy can be sold at the most profitable moments, allowing the development of autonomous electricity networks based on solar or wind energy. We spoke with René van Wesenbeeck, Principal Architect at Alfen, about developing and testing such a system and the collaboration with CN Rood.

Two main components of a BESS

René van Wesenbeeck: "A BESS consists of batteries and DC-to-AC converter(s). The batteries are used for short-term energy storage and the converters provide a controllable interface with grids or electrical loads. At Alfen, we design and manufacture more sustainable energy storage solutions in which power electronic DC-to-AC converters play an important role in managing power and energy flows to grids and in stand-alone power supplies. High-quality mature conversion products are integrated together with batteries to form a Battery Energy Storage System."

 

Measuring performance during development

René: “During the development we have to address the power losses and the power capabilities of both the DC-to-AC conversion system as well as the performance of the batteries. For these measurements we make use of a set of Delta SM 15k bi-directional AC-DC power supplies. Especially the bi-directional power flow capability is appreciated by our team.  In addition, the supported DC voltage range up to 1.5 kV allows the emulation of the latest generation of batteries. Besides the power supplies we make use of a Hioki PW8001 power analyzer for full voltage range power losses and converter performance measurements. A unique Hioki PW8001 feature is the possibility to measure DC voltage and power up to 1.5 kV.”

Hioki

Test set-up for battey testing

Batteries make up a large part of the system cost, so good performance and characterization of the batteries are important. René: "Before a system is approved, it undergoes extensive testing. We carry out controlled energy cycle tests with the Delta SM 15k power supplies (up to 300 kW). At the same time, we measure relevant electrical quantities with the Hioki PW8001 power analyser. A Hioki 4560 battery tester is used for frequency domain-based battery cell characterisation."

Very good cooperation with CN Rood

CN Rood supplies both Delta Elektronika and Hioki equipment.

René: "We are very happy with the collaboration with CN Rood. The equipment is of high quality and we can rely on CN Rood's advice. The cooperation with CN Rood has turned out to be very good and the fast and adequate response in solving (minor) technical problems has been particularly appreciated. A reliable partner!"

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CN Rood

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De CN Rood groep is koploper in kennis en oplossingen op het gebied van test- en meetapparatuur. We onderscheiden ons met een persoonlijke en klantgerichte aanpak. Onze klanten zoeken vaak niet een product, maar een oplossing en wij hebben allemaal de gedrevenheid om mee te werken aan die oplossing. Wat wij het liefste doen: continu bezig zijn met de nieuwste ontwikkelingen op het gebied van test- en meetapparatuur. Nu, en in de toekomst. Want daar ligt nu eenmaal onze passie: het precies willen weten. Zo kunnen we onze klanten optimaal verder helpen.

Wij denken mee, adviseren en begeleiden onze klanten in het maken van de juiste keuze in hun test- en meetapparatuur. Mensen in verschillende sectoren vertrouwen op onze expertise en ons advies. We werken voor overheid, wetenschap, onderwijs, lucht- en ruimtevaart- en auto-industrie in Noord-Europa en de Benelux. Daaronder bevinden zich vele prestigieuze en vooraanstaande organisaties. Vanuit locaties in Zweden, Nederland en België werken meer dan zestig toegewijde professionals aan oplossingen variërend van communicatie-testapparatuur en algemene test- en meetinstrumenten tot apparatuur voor data-acquisitie, logistieke automatisering, aangevuld met consultancy, training en turnkeyoplossingen.

We hebben een historie die teruggaat tot 1938. Onze oprichter, Cornelis Nicolaas Rood, was destijds een pionier in moderne elektronica. Onze mensen bevinden zich ook anno nu graag in de frontlinie van technologische ontwikkelingen. Op onze eigen manier leveren we zo een bijdrage aan belangrijke maatschappelijke vraagstukken. Bijvoorbeeld in energietransitie, quantum computing, medische technologie, de zelfrijdende auto, de auto op zonne-energie, de energie transitie en alle andere deeptech die bijdraagt aan de schonere en betere wereld van morgen.

Daarom letten we ook op onze eigen impact op het milieu en klimaat. Aangezien wij vooral een adviserende functie hebben is onze eigen milieu-footprint gering. Vanzelfsprekend zien we wel toe op een zo duurzaam mogelijke productie van de apparatuur die wij verkopen en zorgen we voor een maatschappelijk verantwoorde bedrijfsvoering. Al onze producten kopen we uitsluitend in bij gecertificeerde fabrikanten die werken met herleidbare en verantwoorde grondstoffen. Gebruikte apparatuur wordt kosteloos opgehaald en gerecycled.

Het zijn maar een paar voorbeelden om duidelijk te maken dat we hechten aan een langetermijnvisie op de wereld om ons heen. Want juist met een geschiedenis van meer dan tachtig jaar kun je goed vooruitkijken. Daarom blijven we ook vooroplopen. Onze brede en diepe technische kennis van test- en meetapparatuur, in combinatie met onze persoonlijke connectie met onze klanten, maken ons uniek in de markt. De CN Rood groep is uw degelijke en betrouwbare kennispartner voor test- en meetapparatuur!

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The CN Rood Group is a leader in knowledge and solutions in the field of test and measurement equipment. We distinguish ourselves with a personal and customer-oriented approach. Our customers often seek not a product but a solution, and we all have the drive to contribute to that solution. What we like doing best: continuously working on the latest developments in test and measurement equipment. Now, and in the future. Because that's where our passion lies: wanting to know exactly what is going on. That way, we can help our customers in the best possible way.

We think along, advise and guide our customers in making the right choice of test and measurement equipment. People in various sectors rely on our expertise and advice. We work for government, science, education, aerospace and automotive industries in Northern Europe and the Benelux. These include many prestigious and leading organisations. From locations in Sweden, the Netherlands and Belgium, more than sixty dedicated professionals work on solutions ranging from communication test equipment and general test and measurement instruments to data acquisition equipment, logistics automation, complemented by consultancy, training and turnkey solutions.

We have a history dating back to 1938. At the time, our founder, Cornelis Nicolaas Rood, was a pioneer in modern electronics. Even today, our people enjoy being at the forefront of technological developments. In our own way, we contribute to important social issues. For instance, in energy transition, quantum computing, medical technology, the self-driving car, the solar car, the energy transition and all other deep-tech that contributes to the cleaner and better world of tomorrow.

Therefore, we also pay attention to our own impact on the environment and climate. Since we mainly have an advisory function, our own environmental footprint is small. Naturally, we do see to it that the equipment we sell is produced as sustainably as possible and we ensure socially responsible business practices. We purchase all our products exclusively from certified manufacturers working with traceable and responsible raw materials. Used equipment is collected and recycled free of charge.

These are just a few examples to make it clear that we value a long-term view of the world around us. Because it is precisely with a history of more than eighty years that it is easy to look ahead. That's why we stay ahead. Our broad and deep technical knowledge of test and measurement equipment, combined with our personal connection with our customers, make us unique in the market. The CN Rood group is your solid and reliable knowledge partner for test and measurement equipment!

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