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Case Study: Mitsubishi Paper

By Bender UK on

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A finished roll of paper on the Mitsubishi lineImage 1: A finished roll of paper on the Mitsubishi line

Mitsubishi HiTec Paper is one of the most prominent speciality paper manufacturers worldwide. Headquartered in Germany, Mitsubishi has been making paper since 1799. With over 500 employees, two paper machines and five coating machines, they manufacture approximately 150,000 tons of speciality paper every year. Their product portfolio encompasses inkjet paper, thermal paper, carbonless paper, label paper and protection paper for flexible packaging. Since the factory produces a large amount of paper, any system failure would result in significant economic loss for the company. As a result, the production equipment at the factory has been fitted with an ungrounded power supply and a Bender insulation monitoring device (IMD).

The advantage of an ungrounded system being used in the factory is that there is no connection between power source (transformer) and earth. This means that the electrical installations still function in the event of a single ground fault. In a classic grounded system, the fault would trip a protective device, shutting off the power supply and halting production. Insulation faults such as this can often be traced back to wet conditions, moisture or mechanical/electrical loads, all of which are high risk factors in a paper factory which uses a lot of water in its processes.
Basic installation of an EDS systemFigure 1: Basic installation of an EDS system with fixed EDS44x components
in combination with the portable EDS3090 components

Both of these potentially destructive problems were solved with a single Bender device: the latest iso685-D-P insulation measuring device combined with the portable EDS3090. The iso685-D-P identifies and reports insulation faults before they become critical so that they can be remedied in time to prevent halts in production. The EDS3090 is then paired with the iso685-D-P in order to quickly and automatically pinpoint the exact location of the fault. Service personnel are then notified of faults in advance by a pre-alarm feature. This prevents critical production interruptions, which are especially disastrous for the paper industry because of the time it takes to get the paper machines back up and running.

Thanks to the addition of the iso685-D-P insulation monitoring device with an integrated locating current injector and the EDS insulation fault location system, insulation faults can now be identified earlier and with a higher degree of safety. This significantly lowers maintenance costs and dramatically improves equipment availability.

For more information about this application or to learn more about Bender technology related to your specific application, contact our team of experts.

This article and any opinions it may contain are for informational and educational purposes only. Bender has made every reasonable effort to ensure the accuracy and reliability of the information provided on this website. However, the information is presented “as is” without warranty of any kind. Bender does not accept any responsibility or liability for the accuracy, content, completeness, legality, or reliability of the information contained and/or opinions presented in articles or posts on this website. No warranties, promises, and/or representations, expressed or implied, are given as to the nature, standard, accuracy or otherwise of the information provided in this we

Bender UK

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Bender UK is a subsidiary of Bender GmbH – a global, independent company established in the 1940s by Walter Bender. The family owned company has 80 offices worldwide, with headquarters and state of the art production facilities in Grunberg, Germany.

Bender is involved in the innovative design and manufacture of quality electrical safety solutions, serving a range of market sectors delivering solutions which identify electrical faults before they become critical. Key markets include defence, oil, gas and mining, manufacturing, data centres, electric vehicles, rail and healthcare.

Cumbrian based Bender UK is responsible for sales, project management, installation and through-life technical support of Bender products in the UK and Ireland.  The Bender UK team work with leading OEMs, consultants, engineers and end-users to deliver solutions which monitor, forewarn and locate developing insulation failure in complex electrical systems.

Bender UK works in key market sectors, to prevent loss of power and shut-down:

Industrial: Residual current monitoring and power quality management devices monitor electrical networks, plant, and buildings to ensure that they are electrically safe. Bender systems provide a continuous health check on electrical systems delivering far-reaching and cost-effective benefits by predicting when and where issues will occur, tracking power usage to identify potential energy savings.

E-Mobility: Bender is a world leader in the application of safety solutions for charge stations and operating systems for hybrid and electric vehicles.  Collaborating with major manufacturers on passenger, transport and commercial vehicle projects, Bender supplies compliant charge station technologies and insulation monitoring for new generation vehicles.

Rail: An approved supplier to Network Rail, Bender UK technology monitors and protects trackside power supplies and signal systems across the UK, identifying and locating electrical faults, anticipating failure to enable predictive and preventive maintenance, keeping rail networks moving.

Oil, Gas and subsea: Effective management of offshore, on-shore and oil and gas infrastructure is facilitated by Bender line insulation monitoring equipment to prevent downtime and loss of production. Bender also collaborates with OEMs on bespoke offshore and sub-sea applications, utilising certified engineers to conduct fault finding analysis, health surveys and commissioning.

Defence: Complex systems on board Royal Navy surface ships and Astute-class submarines are protected by Bender technology to identify and locate earth faults and help prevent electrical failure.

Healthcare: In the UK and Ireland, Bender is market leader in turnkey healthcare solutions, delivering critical care power systems to protect staff and patients from loss of power in hospitals.   Bender also supplies clinical equipment including high performance Merivaara LED surgical lighting and operating tables, infection-reducing touch screen control panels, and clinical services pendants, backed up by 24/7 service, call-out and technical support support to over 400 hospitals.

From off-the-shelf products, to highly customised systems Bender is a supplier of choice to deliver world-class services for critical infrastructure applications.

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