220 kV 220 kV Consumer 400 V, 500 V, 690 V Consumer Consumer 20 kV 10 kV 6 kV 110 kV BASF factory M M M M M M BASF power plants for own steam and electricity production two processes: water electrolysis and methane pyrolysis. The energy infrastructure needs to be expanded to accommodate this, and that requires new grids and substations to be established and the existing ones on the BASF site to be expanded. This involves the installation of a lot of additional assets, which not only need to be commissioned but also then have to be maintained every five years. Sequence of previous testing strategy During the preparation of the project, the team led by Christian Schumacher first examined the existing testing strategy. Previously, protection protocols were created using MS Excel templates that combined the setting sheet and the test report in one form. These MS Excel templates were populated semi-automatically using the asset database. All basic data, such as the protection device type, transformer ratio, etc., for the test case at hand, were checked and then typically sent to the testers, usually by email. The final protection protocol was then taken to the substation in printed form by the tester. The responsible team member performed the test, recorded the relevant values in the protection report, and then signed this report by hand. Finally, the document was scanned and stored in the asset database. The previous testing strategy had the following disadvantages: › The test teams responsible for the transmission and distribution grids had different test approaches. › The test points did not have tolerance specifications. › There were very few test points. › General uncertainties regarding the testing procedure and results among the protection testers › Incomplete quality assurance of the many manual work processes. › There was no reliable data source due to the lack of clear, standardized documentation. Setting course for the future Stefan Schöner and Michael Albert were on hand to advise the project team while developing the new testing strategy based on ADMO. The focus was on establishing standardized work processes across all test teams and, more generally, on improving data quality – two areas in which our data management system ADMO, in combination with Test Universe and CMC test devices, are ideally placed to support end users. Standardized protection tests have been and continue to be defined for the entire site as part of the ongoing project. These tests are easy to understand for all teams because detailed test templates and instructions are provided. They can also be compared one-to-one with tests that have already been carried out. Even after just a short amount of time, a lot of the insecurities that prevailed among the protection testers have eased. ADMO offers a central location where all necessary relay and test documents can be found in one place. There is also no longer any need to enter test results manually. They are automatically synchronized with the central ADMO database and securely stored as soon as the testers connect to the company network. Eliminating the Structure of the power grid at the Ludwigshafen site Feeding from the external transmission network 12
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