Replacement of excitation system on TPP Zagreb, block C
After more than 40 years of successful operation, KONCAR -INEM old analog excitation system has been replaced with digital one.
On the end of last year installation and commissioning took place of new static excitation system type SEI 11E, for synchronous 150 MVA turbogenerator, for final customer HEP – Proizvodnja d.o.o. Static excitation system type SEI 11E comprises of digital voltage regulator in two channel configuration with withdrawable thyristor bridges in 1 + 1 configuration.
By using new technical and design solutions, we achieved 100% redundancy of the system. In the case of system malfunction, the stopping of generator for repairs is not required because the same may be made while on grid.
Excitation systems for HPP KORKEAKOSKI, Finland
During January and February 2017, KONČAR – Electronics and Informatics engineers as a subsuplier of KONČAR– Generators and Motors commissioned new static excitation system type BKN 11E with excitation transformer, for the generator 1 (6,1 MVA) on HPP KORKEAKOSKI, Finland.
Excitation system is implemented in the dual-channel version with bridges in 1 + 1 configuration, which provides full redundancy of the system.
During this year the plan is to install and commission one remaining excitation system.
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