Optec - Überwachung der Netzspannung

Monitoring the mains voltage

Practical example - EW WALD AG

EW WALD AG supplies electricity to almost 10,000 inhabitants in the municipality of Wald in the Zurich Oberland and has over 6,500 metering points. A comprehensive range of services is covered under the mission of holistic energy supply. In addition to the classic energy supply, this includes public lighting in and around Wald, the maintenance, testing and expansion of all electrical and telecommunications installations as well as a 24-hour customer service. An efficient, safe and economical supply of electrical energy can only be guaranteed thanks to careful planning and targeted investment in a distribution network with high quality standards.

The electricity company is responsible for the supply and trading of electricity, the distribution of electricity and even complex installations. In addition to repair work, specialist advice and planning, the electricity company also carries out installations in the field of high- and low-current systems. Efficient and well-maintained distribution grids are extremely important in order to guarantee a secure supply of electricity. For this reason, EW WALD AG operates its own grid department. It ensures the expansion of the grids and maintains the distribution systems with targeted preventive measures. In addition to these main tasks, the desire of society and politicians for an energy future without nuclear power is of great importance to the electricity company in Wald. Its corresponding products are the ecco, prima and supra ranges: green electricity - completely without nuclear power.

The electricity utility is an independent company with the task of ensuring the region's energy supply. To fulfill this task, only the use of universal measuring devices in combination with GridVis® software came into question.

Our solution

Electricity should be available everywhere and at all times. Interruptions, voltage drops and similar disruptions must be avoided. We at Optec AG are happy to take on such challenges.

By using 36 UMG 511s and the GridVis® software, we have made it possible to permanently monitor the grid voltage. In addition, there is the topology view with the customer-specific Jasic programming and the permanent overview on a separate display, which is accessible to everyone. There is also standard monitoring and visualization of EN 50160. All devices are read out automatically and the measured values are saved continuously. When the alarm system is activated, changes are displayed at an early stage and rapid action is possible. Another concern was to have clear statements and evidence in hand with reports. The GridVis® software specializes in this, among other things. EW WALD AG can use these reports to actively approach customers and take appropriate measures to combat problems. Together, we have thus fulfilled the mission of providing a secure and economical electricity supply.

Find out more about the possibilities of GridVis®

Benefits for our customers

Thanks to these measures, the implementation of the GridVis® software and the programming of customer-specific requirements, EW WALD AG has a constant overview of all activities in the electricity grid. Since using the GridVis® software and the stored data it provides, work has become more efficient and simplified. In addition, the topology of all transformer stations can be viewed by all employees at any time on a separate screen. It is important that the newly acquired information can also be used. Electricity company employees can now react more quickly to faults and standards can be adhered to precisely.

We will be happy to advise you on your project

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