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  1. DiMiTKo

    Old electromechanicl relay GEC CTG25

    Hi everyone, I have got maintenance in one substation and one of the electromechanical relays had a problem so the local guys decided to replace it. The old relay is CTG25 (GEC) and it has two stages Overcurrent, one with IDMT curve, and instantaneous stage. The problem is that measured tripping...
  2. DiMiTKo

    Problem with disturbance recorder REF615

    Hello, I have problem with downloading records from REF615, but I think the problem is with the entire series 615. I prepared setting for several device REF615, I upload setting to them without any problem, I tested all settings with injection device, but when I try to see records from...
  3. DiMiTKo

    ABB REF 542plus configuration tool

    Bad in this case is that for REF542+ have a lot of version for this conf. tool regarding the version of relay. I have some version if you tell me which one you need I will send you.
  4. DiMiTKo

    ABB protection REM543

    Code of the terminal is REM543BG215CAAA001 (6+3) with RTD modules. I will use it for protection of small generator. Thanks for your support!
  5. DiMiTKo

    ABB protection REM543

    Hello! I have to program one relay REM543. With displeasure I saw that in the Application library of CAP505 didn't have any configuration template only empty configuration. In my experience with REF54x there are several factory configuration, but for REM relay nothing. It is not a big deal, but...
  6. DiMiTKo

    Problem with LDCM module of RED670

    Hello ptcabb! The firmware version is 1.1. LDCM modules are for average distance, now I'm not on site but last letters was AAr02. The attenuation of the hole line is 7,5dB. For now with decided the problem with 7dB attenuators from each side. We put on the beginning of the line one 7db and for...
  7. DiMiTKo

    Problem with LDCM module of RED670

    I'm not agree with you. In their manual they don't recommend time synh source. It is not same. In the RED670 time synh and differential synh are different. If you take a look in this manual I use 5.1 combination. See the...
  8. DiMiTKo

    Problem with LDCM module of RED670

    Hello! I have a lot of problems with the communication between LDCM modules of three end overhead line. The problem is that I lost receive signal from time to time from 100% to 20-30%, and I receive synchronization error. For example for 24 hours I have 10-15 comm fail signals. I use...
  9. DiMiTKo

    Communication problem with Eberle

    I'm working on one project where communication to RTU is by IEC103 protocol. All device working good except Voltage regulator a-eberle. Is there anyone who have experience with this type ot communication with Eberle. I can't set the address of the device, it is not visible in the menu.
  10. DiMiTKo

    Calculation of protection setting for two phase PT for railway

    Yes. Do you know this s/s? It is almost ready.
  11. DiMiTKo

    Calculation of protection setting for two phase PT for railway

    Some additional information for power transformer is in the attached file. In fact the transformer is single phase and supply instead phase-ground is phase-phase (phB-phC). http://files.engineering.com/getfile.aspx?folder=5dde706e-6e41-48cf-b401-23e531a8b48c&file=PowerTransformerData.pdf
  12. DiMiTKo

    Calculation of protection setting for two phase PT for railway

    Hello! I have to calculate a overcurrent protection of one two phase power transformer. For three phase calculation is not problem, but may be in two phase there is something specific. Is there someone who knows how to do the calculation. I found one document of Areva but there is a calculation...
  13. DiMiTKo

    Calculation of 1 phase fault for Siemens 7SA612

    Hello! I have to check one Siemens distance protection, and i have order with settings. For me is difficult to find the way which this protection is calculating impedance durin one phase fault. I try to find any explaniation in Siemens manuals but i still can't understand the way of calculating...
  14. DiMiTKo

    Transmission Line Paramter testing set

    Omicrone CPC 256 is good one for this purpose
  15. DiMiTKo

    New ABB series RELION 650

    Thanks A lot Lars! I was download the connectivity package from Internet. I will find the CD with connectivity packages,
  16. DiMiTKo

    New ABB series RELION 650

    Hello everybody! Our company fust bought a knew software for RELION series of ABB relays. A knew software is PCM600 ver. 2.2. It is not same like last PCM 600 ver 1.5. The worst thing is that there aren;t templates in the knew one. So if your relay is empty you have to write all aplication...

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