News 2013

LTU cooperates with the industry in Skellefteå

2013-12-27 Many small- and medium-sized enterprises have suggestions, ideas and innovations where university resources could contribute to the development of the business. In September 2013, a letter of intent was signed by Johan Sterte, Vice-chancellor at LTU and an industry partnership launched in a number o...

Wall of Fame at LTU in Skellefteå extended with three graduate portraits

2013-12-20 The final nailing ceremony of 2013 at LTU i Skellefteå is now completed. One licentiate and two PhD at LTU in Skellefteå presented their theses in front of a big audience in the Forum building. Since the tradition started on 15 May 2012, 15 doctoral and licentiate theses has been nailed.

Premiere for HET Programme Day

2013-12-19 In the coming spring, the first class of students graduates from the the Master of Science program in Sustainable Energy Engineering. In conjunction with their final course presentations, an full day programme event, HET-dagen, was held.

Rock hard wood did not stop Luis

2013-12-17 Improved methods for cutting hard tropical woods or frozen wood, that is the theme in a new doctoral thesis by Luis Cristovao at LTU in Skellefteå. With his newly acquired knowledge, Luis wants to contribute to the start-up of many new sawmills in his homeland Mozambique.

LTU leads strategic investment in lightweight materials

2013-12-16 LTU professor Lars-Erik Lindgren, leads the largest research area in LIGHTer, a strategic research program in the lightweight materials area with a total budget of SEK 300 million.

Research on Biofuels secured

2013-12-13 Efforts to develop renewable fuels through research at Luleå University of Technology (LTU) is secured with a new decision by the Swedish Energy Agency. The decision means funding for at least 2.5 years of extensive research programs at the university and the operation of the university's own gasifi...

Wind energy expert leads research at DMK

2013-12-10 From 1 December 2013, Professor Jan-Olov Aidanpää is the new Chair at Computer Aided Design, DMK. He returns to the research subject which he belonged to from 2001 to 2007, and will therefore leave Solid Mechanics. Jan-Olov Aidanpää looks forward to be able to link his research in rotor dynamics and...

Award-winning project at the Faste Laboratory

2013-12-09 Ove Isaksson at the Faste Laboratory LTU, was recently given the Volvo Cars Quality Award for a successful project whose results are now starting to spread in the Volvo Group. The project is about creating the next generation of cars using various sources of information - not least logs from how cus...

Mykola received the Adélie award

2013-12-02 "A magnificent and commendable job in education services". Senior lecturer Mykola Shykula in Mathematical Statistics became the 2013 winner of Adéliepriset. The Prize is given each year by Geosektionen based on nominations from LTU's engineering students.

Nordea's Norrlandsstiftelse travel grant 2013

2013-12-02 In 1999 Nordeas Norrlandsstiftelse established an annual travel grant of SEK 50,000 for graduate students at LTU in Skellefteå. The travel grant is to be used for study / research outside Sweden and the aim is to promote scientific research in order to develop entrepreneurship in our region.

Researching on filters that clean blood

2013-11-29 Associate Professor Albert Mihranyan, a newly recruited researcher at Luleå University of Technology will conduct research on nano-cellulose filter that can clean blood to treat diseases such as HIC and Hepatitis C. He gets his research long-term funded by the Wallenberg Academy Fellows, the single ...

The Crown Princess visited LTU Green Fuels

2013-11-27 On November 13, HRH Crown Princess Victoria visited LTU Green Fuels in Piteå. The reason for the visit, on the initiative of the Crown Princess herself, comes from her passion for environmental and energy issues. The king's interest for the plant have perhaps also contributed to the interest by the...

Thesis Exhibition at LTU i Skellefteå

2013-11-22 Last year Students will do their thesis work during the period March 31 - June 8. Therefore LTU in Skellefteå invited the industry and students to a thesis exhibition. 21 companies and 90 students participated in the event.

New professor brings new competence

2013-11-20 Ichiro Minami from Japan is a new Professor at the Division of Machine Elements. He has previously worked at the Tokyo Institute of Technology (TIT) and is an expert in the field of tribochemistry. That means that LTU's research group in tribology adds breadth and depth to its research profile.

Mapping Multi-Disciplinary Research - Workshop in Attractive built environment

2013-11-19 About twenty researchers representing different research areas have participated at the second workshop in Attractive built environment on Friday, November 15th. The aim of this workshop was to identify common research issues where different research skills can be combined in future trans-disciplina...

Humor is important for the best teacher of 2013

2013-11-19 Erik Elfgren, senior lecturer in physics and energy engineering at LTU, received the best teacher award 2013 by Teknologkåren. Erik's teaching style is characterized by dedication and humor, while he also provides students with detailed feedback after the exam.

Teachers Praised For Their Education

2013-11-13 Lecturers Juha Koivuniemi and Harriet Nilsson was awarded the LTU price for excellent efforts for the benefit of education at the undergraduate and graduate levels.

Scientists in energy science is praised

2013-11-08 Marcus Öhman, Professor of Energy Science at Luleå University of Technology, is awarded Nordea Scientific price 2013. He receives the prize among other things because that he rapidly built up the subject of Energy into a major national hub for research on the subject. Research that contributes to gr...

Large industries key to white fuels

2013-10-31 If the politicians create the right conditions, Sweden can become a pioneer in the production of the next generation biofuels. That is what Joakim Lundgren, Associate professor in Energy Engineering at LTU, believes. According to him, the next generation of advanced biofuels can be produced in symbi...

Double top score for Material Science

2013-10-29 Two technical courses at Luleå University of Technology (LTU) gets top marks from University Chancellor Board (UKÄ) for their very high quality, while twelve are considered to have high quality and three get the grade lack of quality.

Coupling that ages with dignity

2013-10-28 Vibration and noise in our cars is something we like to avoid. When the coupling ages, it changes the friction behavior which can lead to vibrations in the vehicle's driveline. A solution to this is now presented in a doctoral thesis by Kim Berglund at Luleå University of Technology. The thesis desc...

Smart Technology at the University

2013-10-23 Olle Hagman, Professor at Luleå University of Technology (LTU) has initiated a unique centra of visualizing for teaching, technology development and demonstrations. A California-based company has developed the technology called Vibe and Olle Hagman has initiated a small-scale prototype that during t...

Industrial CT-scanner in sawmills

2013-10-22 Erik Johansson is now awarded a licentiate degree after the presentation of his Licentiate thesis "Computed tomography of sawlogs : knot detection and sawing optimization". By scanning sawlogs using computed tomography, knots can be detected and accounted so that the sawing process can be optimized ...

New composite that stores energy

2013-10-16 A composite of carbon fiber and plastic that, except being light and strong, also serves as a battery. The concept of energy storage in multifunctional materials are now presented in a doctoral thesis by Tony Carlson at LTU. The technology, which is patent pending, makes it possible to create so-cal...

Machine Elements celebrated 40 years

2013-10-03 40 years ago, Professor Bo Jacobson started the research subject mechanical engineering at the university with research in the field of tribology*. It is one of LTU's premier research groups with research at a high international level. The 40th anniversary was celebrated on campus where current and ...

2013-10-01

Göran Grubbström Doctor in Wood and Bionanocomposites

2013-10-01 Göran Grubbström defended his dissertation on September 27 in the research subject Wood and Bionanocomposites at Luleå University of Technology. The thesis is entitled "Processing and Properties of Silane Crosslinked Wood-Polyethylene Composites".

Vibrant Bodies of Swirling Flow

2013-09-30 A risk assessment of rotor vibrations of hydropower units demands consideration of both the inertia of the rotating shaft and the body of the swirling flow in the turbine. Ida Jansson pinpoints this intertwined nature of the inertia of the rotor of hydropower units in her thesis Vibrant Bodies of S...

New oil reduces wear in hydropower

2013-09-30 New environmentally friendly oils increases the life of bearings in hydroelectric turbines. At Luleå University of Technology research in the field of hydro power today involves some 50 researchers.

Success for Experimental Physics

2013-09-20 An important progress in research on graphene, the worlds strongest carbon material, and a PhD student that was invited to present at Europe´s largest conference on high pressure research. LTU´s researchers in experimental physics have reason to be satisfied right now.

Fingerprint helps robot repair wood

2013-09-17 In the R&D project Hol-i-Wood Patching Robot each panel gets its own fingerprint which allows for automation and reduces the cost for repairing wood products.

Is - barriers to expanding wind power

2013-09-09 Icing on wind turbines is a major problem and an obstacle to the rapid development of wind power. Energy Agency decided in June to support a research project at Luleå University of round icing on wind turbines with 7.5 million.

Indoor winter testing of vehicles

2013-09-09 In northern Sweden there are currently a number of car testing facilities that are utilized up to 130 days each year. Now, students at Luleå University of Technology has developed prototypes on climate halls, which could not only extend the testing season, but also ensure test conditions can be repe...

Record number of students at LTU Skellefteå

2013-09-06 The number of students at LTU Skellefteå is the highest ever. A total of 1,600 students have begun their studies at LTU Skellefteå whereof 500 are program students. The number of LTU students at Campus Skellefteå has more than doubled in the last three years.

Alumni gave good advice to new students

2013-08-29 New students in the engineering programs offered by the Department of Engineering Sciences and Mathematics (TVM) had gathered in B192 to obtain information about their education.
– Be disciplined in your studies, but also make sure to have fun! It was one of many good advice given by LTU alumni Ca...

First with new enviromental engineering

2013-08-28 Luleå University of Technology is the first in Sweden with a new technology that scales up production of nano-cellulose from wood residues. It may eventually give the forest industry profitable new products, such as nano-filter that can clean both gas and processwater, but also drinking water. Bette...

Grand opening of the John Field Laboratory

2013-08-23 After a long period of preparation, it was finally time to inaugurate The John Field Laboratory, a laboratory for mechanics research in European top class. The project involves the Division of Fluid and Experimental Mechanics and the Division of Mechanics of Solid Materials at Luleå University of Te...

Royal gloss over Luleå University of Technology

2013-08-19 King celebrates 40 years on the throne of Sweden by traveling throughout the country and visit all the counties. On Friday, it was Norrbotten turn and Luleå University of Technology was on the royal couple's wish list of places to visit.

Research on water flow helps fish

2013-08-16 In a new dissertation at Luleå University of Technology, researcher Anders Andersson investigated flows in vicinity of hydropower plants. By combining field measurements with simulations, the design of for example fishways can be improved.

Student in sharp research

2013-08-07 This summer, a student from the program Automotive Engineering at Luleå University of Technology has been working in a sharp research project. It is to develop a new kind of adaptive air suspension to improve comfort in wheelchair taxis. The research is a collaboration between the Piteå based compan...

Researchers affect important environmental decision

2013-07-31 One-third of today s fossil gasoline and diesel use in Sweden could be replaced with biofuels. This is according to a new report submitted by Swedish researchers to an official government investigation on how to wean the Swedish transport sector of fossil fuels by 2050.

LTU participates in biogas project with China

2013-07-15 An ongoing Vinnova project between Sweden and China aims to take the biogas production to the next level. The project concerns the development of biogas technology in both countries, but also contribute to an environmentally friendly solution to China's waste problem.

Competition with air motors

2013-07-15 In the course energy efficiency of mechanical systems, students at the Master programme in Sustainable Energy Engineering compete with compressed air motors. It is about getting the most power from the engine and go the longest distance.

Idéhuset 2013 Campus Skellefteå

2013-06-25 since 2008 students at Campus Skellefteå has started a business company per year in Skellefteå. One reason for this success is Sammes foundation which since its inception in 2007 has distributed about 700,000 SEK per year in scholarships to students for good business ideas. This summer 23 students w...

Campus Skellefteå students develop ideas

2013-06-19 11 students from Campus Skellefteå has participated in" Lycksele Meeting spot" to produce prototypes in health, young entrepreneurship and skills. The three winning teams won SEK 120 000 to share and the opportunity to develop their services further. Markus Sundström, LTU participated in the winning...

Railtraffic with lubricated tracks

2013-06-19 In a new interdisciplinary research project at Luleå University of Technology positive effects of lubricating the rails is tested. The research will continue for two years and is conducted in cooperation with, among others, Swedish Transport Authority "Trafikverket" and LKAB. It is expected to reduc...

Popular steel conference in Kulturens hus

2013-06-14 Kulturens hus in Luleå was the site of the fourth edition of the International Conference on Hot Sheet Metal Forming of High-Performance Steel. It was also in Luleå, in the 70s, where the press hardening technology was invented and industrialized.

Diego wants to increase the use of wood

2013-06-10 When Diego Elustondo visited Skellefteå for a wood drying conference in 2010, he fell in love with the city, nature and people. It was therefore not a difficult decision for him to recently accept the position as Chaired Professor in Wood Physics at LTU in Skellefteå. Diego looks forward to his new ...

The automotive industry wants more research

2013-06-10 Press hardening technology developed in Luleå by the company Gestamp Hardtech (formerly SSAB Hardtech) and Luleå University of Technology is in focus when more than 200 international researchers and companies come to Luleå on a conference. Increased demand for new components that make cars more traf...

New timber calculation delivers greater precision

2013-06-07 A new method for X-ray of logs developed at Luleå University of Technology (LTU) and SP Technical Research Institute of Sweden provides much higher accuracy than before and is ready for use in sawmills. PhD Johan Skog has developed the method in his research, presented in a new thesis at Luleå Unive...

Major investment in gasification will provide renewable fuels

2013-06-05 The funding of 234 MSEK for the second phase of the Swedish Gasification Centre is now complete. During the period 2013 to 1017 the Swedish Energy Agency contributes with 78 MSEK, the academy invests the same amount, and also the industry where 25 companies jointly invest 78 MSEK.

New award for research on grease

2013-06-05 For the second year in a row, LTU's "grease scientists" receives a prestigious award from the large research organization STLE (Society of Tribologists and Lubrication Engineers). Last year, it was Edmond E. Bisson Award and this time it´s Frank Bussick Award. The prize goes to the best scientific a...

Success for Northern Sweden Pavilion at LIGNA 2013

2013-06-01 Wood researchers from LTU Skellefteå have participated at the LIGNA fair in Hannover which is one of the world´s largest tradeshows for the Sawmill and Woodworking industry. The tradeshow had just over 2,000 exhibitors from more than 50 countries. This year it is was more than 90,000 visitors from t...

Pilot course provided valuable lessons

2013-05-30 A revision of the course Physics B to accommodate distance learning was highly appreciated by the students who participated in the project. The project leader Birgit Stöckel, together with the students discussed back and forth to find the optimum set-up for the course. The work resulted in experienc...

Safer investments in biofuel

2013-05-28 A new way to figure out where it is most profitable to invest in facilities for the production of biofuels will help biofuel producers, politicians and others to make Sweden fossil fuel independence.

Great results for the lime green

2013-05-19 Again, it was a great result for LTU students conspicuous car in Shell Eco Marathon, better than last year and second in the category of urban concepts - ethanol. 288 km on the equivalent of a litre of gasoline was the result for the students of Team Baldos from Luleå University of Technology and th...

Process control and production strategies in the sawmill industry

2013-05-18 How can the breakdown of logs at a sawmill be more efficient and how can the value of the timber be increased? Anders Berglund, researcher at LTU Skellefteå, has focused on the sawing process in the production chain and presented the results of his work at a licentiate seminar on May 17.

Smart ball bearings in sight

2013-05-17 At the research centre SKF-LTU Technology Centre for Advanced Condition Monitoring, there is now full activity with research and the building of a lab. PhD students and undergraduate students are working on various projects leading towards the same goal - to develop the next generation of smart ball...

Nordsken - more than a game festival!

2013-05-16 The third edition of the festival Nordsken has now ended. What in Skellefteå started with the establishing of Dreamhack is now a wider festival for all ages. Nordsken is a drug-free event for those interested in technology, computer games and table games (role-figure and card games). LTU cooperates ...

10 LTU- researchers in one year at Campus Skellefteå

2013-05-15 The old academic tradition to nail the Doctoral thesis together with the new tradition of hanging licentiate theses were introduced in May 2012 at Campus Skellefteå in order to show the research conducted in town. One year after the start, 10 LTU thesis and portraits are placed in the Forum building...

Aims for innovative research of international excellence

2013-05-15 Rikard Gebart is the scientific leader of Renewable energy, one of LTU's areas of excellence in research and innovation. He wants to further develop research where LTU should be strong and can make a difference and to allow scientists to try untested ideas. This will hopefully attract research fundi...

LTU Green Fuels in right time

2013-05-15 The time is right for large-scale production of green fuels and Luleå University of Technology's research paves the way for a fossil-free transport system. Long-term tests and a preliminary study carried out during the spring within the university research company, LTU Green Fuels, shows very positi...

Lime green Baldos III unveiled

2013-05-08 Competitors beware when the green flash from Luleå University of Technology get going. On Wednesday, LTU-students in Team Baldos unveiled their brand-new, lime green car for the race Shell Eco Marathon in about a week. A large audience came to watch the new car, everything from seniors to students a...

New research on grease

2013-05-03 Greases makes industry and machines go round. But the properties of grease can change at high load. Grease may then become liquid, which, for example, affect machinery in heavy industries. Researchers in LTUs "Grease group" has been praised twice for scientific articles about their research that co...

Safer military vehicles through simulation

2013-04-26 The need for protection of personnel in military vehicles is steadily increasing. A common threat is landmines, a cheap and easily accessible threat that can cause major damage. One of the challenges of developing protection for vehicles to resist blast load from the mines is to predict where the ex...

Excellent research according to VR

2013-04-18 The research in tribology at Luleå University of Technology is Excellent. It is shown by an evaluation from the Swedish Research Council, which with the help of an international expert panel evaluated how Swedish research in mechanics stands in an international comparison.

Top result for EU funding

2013-04-18 An increase of 48 per cent of research funding from the EU Framework Programme, FP7,means a break through for LTU researchers in the competition for EU money.A comparision shows that LTUs succes rate for getting funding from FP7 is higher than other European and Swedish universities.

Smart machines and materials is led by Staffan

2013-04-17 Staffan Lundström is the scientific leader of Smart machines and materials which is one of LTU's areas of excellence in research and innovation. Staffan worked at SwereaSICOMP for his PhD. There, and a few years at Chalmers, he gained useful knowledge about materials. At the department of Engineerin...

LTU Skellefteå participate in Arbetsförmedlingens education fair

2013-04-12 When Arbetsförmedlingen invited to their education fair in Skelleftea LTU informed about beeing a student at LTU and the education programmes you can study in Skellefteå. The fair was two days and about 100 people visited. Many were interested in LTUs Preparatory Programme, 60.0 Credits that provide...

Engineers visiting students at Balderskolan

2013-04-12 LTU Skellefteå visited Balder School to inform about the profession Engineer. Engineers from Plusshus and Outotec talked about their experiences in their profession and about their work. They both agreed that it is a good choice to study an engineering programme. You get a good technical base which ...

Students developed flexible sockets

2013-04-12 Extension cords and TP cables hardly belongs to the most popular interior in our homes. But the time of tangled cables may soon be over, at least for newly built houses and apartments that are constructed according to LTU-students' smart solution for flexible wiring.

Creative solutions in the project course Sustainable Living

2013-04-12 How about a portable device that converts heat from the cabin stove to electricity? It was one of many interesting prototypes that were showcased in the project course Sustainable Living, where students have developed and realized technical systems from a sustainable perspective.

Talks on the environment with the U.S. Ambassador

2013-04-10 Students and researchers at Luleå University of Technology was there when U.S. Ambassador Mark Brzezinski came to visit LTU and participated in a round table discussion on Tuesday. Questions about renewable energy, exchange of researchers and students from Sweden and the US were discussed, but also ...

Materials scientists conferred at LTU

2013-03-28 On 21-22 March the EEIGM Advanced Materials Research Conference 2013 was held at Luleå University of Technology and was organized by the Division of Materials Science and Composite Centre Sweden at LTU.

Chocolate production at LTU

2013-03-26 High school students from across the country are invited each year to LTU to participate in so-called mini-courses, where they under pleasant forms can experience what it's like to be a student at LTU.

ITS 2013 - appreciated conference in tribology

2013-03-25 During the past week tribology researchers from around the world came to Luleå University of Technology to participate in the conference International Tribology Symposium of IFToMM *.

Reducing fuel consumption of truck engines

2013-03-19 A new model to explore how new ideas affect fuel consumption in large diesel engines has been developed by a world-leading research group in tribology, at Luleå University of Technology.

Students get scholarship for developing ideas

2013-03-18 120,000 SEK were distributed to students and staff at Campus Skellefteå seeking Sammes Foundation development grant. The purpose of the scholarship is to support business and product ideas.

Rebuilt car gives speed to research and education

2013-03-18 New solutions that provide better comfort in taxis for the disabled through research at Luleå University of Technology and live projects for students at the university who studies bilsystemteknik. That's the benefit of a converted VW Caddy that this week was donated by the company Freno Aero for res...

Investment in wind energy in cold climates

2013-03-13 Research at Luleå University of Technology is in the frontline in the field of wind energy in cold climates. Professor Jan-Olov Aidanpää at LTU Coordinate the university investment in wind power research. Right now there is a project in Which the LTU and Europe leading research institute in polymer ...

A submarine awakened Jenny's interest in technology

2013-03-08 As a submarine officer Jenny Nordström from Luleå became interested in the sophisticated technology found in submarines. The interest grew and eventually she decided to change track by reading the Master Programme in Sustainable Energy Engineering at Luleå University of Technology. Now she works as ...

Andreas start up the research subject Applied Physics

2013-03-01 The research subject Physics at Luleå University of Technology has been divided into two subjects, Applied Physics, and Experimental Physics. Professor Andreas Larsson was recruited to start up the research group of Applied Physics. A work that the tall Gothenburger look forward to with great optimi...

Green nano filters purifies contaminated water

2013-03-01 Cheap, highly efficient and environmentally friendly bionanofilters, with optimal ability to clean contaminated water from industry, are developed in the EU project Nano Select headed by LTU professor Aji Mathew, Luleå University of Technology. The new bionanofilters are made of cellulose fibers. T...

LTU in collaboration with University of Oxford

2013-02-27 Researchers at University of Oxford and Luleå University of Technology is working together in order to study the mechanisms in powder material. Powder material is used in many different products, such as medicines, hip replacements, automotive components, and iron ore pellets, all requiring high st...

Träslaget 2013 - wood activities for high school students

2013-02-22 600 high school students in grade 8, from schools in Skellefteå, Malå and Norsjö, visited LTU in Skellefteå for Träslaget 2013. The activities were divided into two parts: research and a knowledge test. An extra task was about making a music video with the theme "Wood you rock".

Course for the Swedish Armed Forces about technology in cold climates

2013-02-18 Materiel Systems in subarctic climate is the name of a weeklong course that LTU arranged for the Swedish Armed Forces for the fourth consecutive year. The course was held by researchers in machine elements, materials, energy and solid mechanics in collaboration with experts from industry.

Students presented live projects in sustainable energy engineering

2013-02-11 The main course in sustainable energy engineering is a popular project course in which students work on live projects. This final presentation for example included energy efficiency of a solar cooling system and design of a large-scale facility for the production of green fuels.

Innovations from LTU strengthens automotive testing

2013-02-08 How can Europe maintain its leading position in the global automotive industry? The question was asked at the Swedish Automotive Testing Seminar (SATS) in Arvidsjaur where Luleå University of Technology, the Swedish Proving Ground Association and Test Site Sweden invited the automotive industry for ...

The University takes over the facility for green fuels

2013-02-06 Luleå University of Technology's holding company take's over the company Chemrec in Piteå and its plant for gasification of green fuels. On Wednesday agreements was signed whereby LTU Holding is the new owner of the company and the facility. LTU Green Fuels will be the name of the new company, which...

New classification of winter tyres

2013-02-01 The new EU tyre labeling which took effect on 1 november 2012 is intended to inform consumers about tyre safety and environmental impact. The only problem is that the label mislead the purchaser as to how the tyre performs in the winter. A while ago, Luleå University of Technology was commissioned b...

Alpha case - a case for Marta-Lena

2013-01-24 Marta-Lena Antti, researcher in materials engineering, is one of thirteen scholars in the country that received a grant from the Swedish Foundation for Strategic Research (SSF) under the program Strategic Mobility. The program aims to increase mobility between academia and industry and gives the res...

WPE visited Processum in Örnsköldsvik

2013-01-23 Olle Hagman and Alice Wang from WPE visited Processum in Örnsköldsvik to establish new contacts. During the visit they presented theirselves and our projects, visited labs and pilot-plants and the full scale Domsjö plant for making raw materials as cellulose for viscose, lignin for improving the con...

Wood and plastic in perfect harmony

2013-01-21 Research at Luleå University of Technology presents a method where individual wood fibers can be used to enhance wood-plastic composites (WPC). Wood fiber serves as reinforcement and gives a stronger and stiffer material. The solution is described in a new doctoral thesis written by Maiju Hietala, P...

Low-energy products cope with today's electrical standards

2013-01-11 There is a constant battle between manufacturers of electronic devices and the operators of the electricity grid, how to limit the interference level in the network. If interference levels are too high, appliances and equipment break down.