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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...

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...

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.

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

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...

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...

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...

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...

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.

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

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

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...

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...

Omicrone CPC 256 is good one for this purpose

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

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...