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Electricity substation monitoring

1st March 2015, Bausch Datacom becomes an official European KIC Innoenergy partner and will be commercializing during 2015-2016 innovative sensors and a ‘SuperRTU' for processing and communicating LV & MV parameters of electricity substations!

KIC InnoEnergy
KIC Innoenergy is the European company dedicated to promoting innovation, entrepreneurship and education in the sustainable energy field by bringing together academics, businesses and research institutes. Their goal is to make a positive impact on sustainable energy in Europe. KIC InnoEnergy is one of the first Knowledge and Innovation Communities (KICs) fostered by the European Institute of Innovation and Technology (EIT). KIC is a commercial company with 27 shareholders that include top ranking industries, research centres and universities, all of which are key players in the energy field. More than 150 additional partners contribute to the activities to form a first class and dynamic network with offices located in Belgium, France, Germany, the Netherlands, Spain, Portugal, Poland and Sweden.


Global substation monitoring strategy
Lifetime and physical boundaries of infrastructure and short circuit events make it necessary to (tele)monitor mid-voltage substations. The WAN communication of these parameters is in many cases through GPRS/3G/... TCP/IP communication to a SCADA master set up. The ‘Active Substation' concept is generating more and more support and investments. The idea of a ‘Smart Substation' monitoring Power Quality, directional fault passage, partial discharge of transformers information etc. and communicating this information online (GPRS or 3G) to a SCADA backoffice is clearly gaining more and more terrain. Also the usage of generally accepted communication protocols (IEC 61850 , IEC 60870-5-104) is more and more part of a proven strategy.

Renovation of a midvoltage cabinet

 

The usage of costeffective measurement techniques is a basic requirement to realize the SMART GRID and to meet the '20-20-20' goals concerning energy efficiency. The challenges of the DSO's are critical, only in Flanders there are some 40.000 electricity cabinets deployed by Eandis and Infrax. The lifetime of the installations is some 40 years. Investments need to be done on a large scale and for large time frames. This brings important restrictions to retro-fit and new roll-out of installations. According to the system operators the current state of technology is insufficient to their vision of an economically responsible approach . Specifically, this means that for instance at present there is no single voltage measurement method in the market that in terms of costs, accuracy and size fits the picture. For example, voltage transformers and resistive divisors are sufficiently precise, but are too large to be built in existing cabins. There is also the evolution of cabines getting more and more compact in order to improve the social acceptance of the systems.

So, there is clearly a ‘downgrade' of Power Quality measuring equipment going on down to the 15KV - 6 KV infrastructure due to the SMART GRID issue.The aim of the cooperation of KIC Innoenergy with Bausch Datacom is therefor to develop measuring and communication devices or systems that incorporate 3 critical features: retrofit possibilities, a small formfactor to fit in midvoltage substations and costeffectiveness! The big challenge is to integrate devices that are capable of measuring the needed parameters and are fittable in small cabinets to be able to allow DSO's in Europe (and worldwide) to finance an adequate Power Quality strategy for the midvoltage and lowvoltage infrastructure. Bausch Datacom aims at a tailored made portfolio of hardware and software that exactly provides these features. During 2015-2016 Bausch Datacom will be checking off specifications for several products with the European guidelines and ‘wish lists' of important DSO's (Distibution System Operators) in Europe. A new ‘SuperRTU', midvoltage sensor, acoustic partial discharge detection sensor and Fault indicator are the first products on the roadmap.

 

SuperRTU
In several proof of concepts of ‘Smart substations' typical set ups are described: Substations will be monitored, and the information will be sent to the SCADA Master system using for instance IEC 60-870-5-104 protocol over GPRS or 3G. A ‘SuperRTU' capable of collecting and processing both the data of the LV and MV parameters and sending this to the SCADA. could be used. This ‘SuperRTU' is already in prototype phase and could be a very effective tool for the monitoring of substations.

 

Substations will be monitored, and the information will be sent to the SCADA Master system using for instance IEC 60-870-5-104 protocol over GPRS or 3G.

Fault indicators, an acoustic partial discharge detection system for transformers and a Midvoltage sensor for electricity substations.
Bausch Datacom as one of the key partners of KIC Innoenergy, Eandis and KU Leuven/Energyville will be investing in the industrialization of a ‘SuperRTU' but also in the further industrialisation of fault indicators, an acoustic partial discharge detection system for transformers and a patented ‘midvoltage sensor' technology.

Lab set up of innovative fault indicator


The latter technology being capable of measuring and monitoring voltage parameters at medium voltage without opening the XLPE cable to the core. The technology will result in compact and low cost sensor solutions that will be easily retrofitted in the field. The aim is to offer products in 2016/2017 worldwide.

The patented midvoltage sensor is capable of measuring and monitoring voltage parameters at medium voltage (15KV) without opening the XLPE cable to the core.


Rik Verheyen
Business Development Mgr. Bausch Datacom