Do you have relay models that can take inputs from multiple CTs?

Category:
Protection
Answer

We offer multiple relay types in our global DIgSILENT Library that can take inputs from multiple CTs. Those that can take more than 3 CT inputs are listed below:

  • Siemens 7UT6xx,
  • ABB RET 670,
  • Gec Alstom MBCZ,
  • SEL 487E,
  • SEL 387.

In order to learn how to modify existing relays to accommodate for multiple CT inputs, please have a look at the following FAQ:

https://www.digsilent.de/en/faq-reader-powerfactory/do-you-have-an-example-on-busbar-differential-protection.html
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