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Thanks, but doble have also created some excel files to generate RIO files for some of the relays.

Dear All, Thank you very much for Providing details.

Hi, Thanks for sending link. As per my knowledge; Advantages of Sweep response method are; 1) High signal to noise ration. This comes from using filtering function of the network analyzer to remove broadband noise. 2) It is possible to use a finer freq. resolution at low freq. 3) Only one...

Dear All, I am just starting new thread with some question for transformer diagnostic by using frequency response analyzer. 1) What are the difference between low impulse & sweep freq. method? 2) Is the sweep freq. method is more precise than impulse method? 3) FRA & Tan delta test are...

Hi All, Is there any details on Electrical & electronics equipment grounding practice?

Hi All, I am just starting new thread. Today, most of the protection engineers know about numerical transformer differential prot. relays & most of the relays are having three SLOPE characteristics (i.e. 7UT612, P632, RET531,T60 etc.). What should be the criteria & considerations to set third...

Hi There is no any lowvoltage breaker release in MICOM series. Better; he can try with others who has multiple options. Thanks

Hi, CTZM is relese & earlier it was always connected with low voltage circuit breakers which had been supplied by GEC ALSTHOM. Now they have stopped manufacturing even they are not making new releases. you can replaced by new one microprocessor based L&T make (SR21) or SIEMENS make (7series) or...

Hi, Electromechanical, static & numerical relays required to installed in Air condition room? or only static & numerical relays reqd. to installed in air condition room? Is it reqd. to installed relays in air condition room where ambient temp. is not more than 35 to 40 degree? What should be...

Hi, Are you talking about SIMPOW? SIEMENS is having PSS/E software for system study. Thanks

Hi, I forgot to say one more thing in my earlier discussion; ETAP, PSS/E, EUROSTAGE, SIMPOW, SKM, CYME etc. Electromechanical Transient Programs & EMTP/ATP, PSCAD/EMTDC, NETOMAC etc. Electromegnatic Transient Programs. Electromechanical Transient Programs are good to study for Power system...

Hi, Basic calculation is; I have assumed; it's 3-ph symmetrical fault current = 9000A Primary voltage = 13.2kV Secondary voltage = 208V Through fault current refelcted on Primary side = (208*9000) / (13.2*1000) = 141.81 Ampere Is this three phase TR or single phase? If it is three phase then...

Hi, Sorry,i am late I know ETAP power station software is having module or option that allows relay testing, with direct communication between software & DRT6 or ART3 (ISA make) instruments on desired freq. sampling rates (say; 2kHz, 5kHz, 10kHz or 20kHz etc.), but again i am saying it's a ETAP...

Hi, Earlier, OMICRON & SIEMENS was tied up & OMICRON were started to manufacturered instruments for SIEMENS only as per the guideline of SIEMENS. SIEMENS has made SIGREA software then OMICRON has used same platform for Advance Transplay. Thanks

Thanks 521AB for information. If i need to enter relay settings manually (Read from relay front screen or setting software) in "testuniverse" software & it is creating XRIO file then what it does really make any sense? My understanding is; this feature is similar to looks like as a ISAWIZARD...

SIGRA is the better but, it's not a free. You can able to see vector diagram, impedance diagram, harmonic bar chart etc. The another most important thing is; you can able to open RIO files (Distance protection)& insert faults (Say; L-G superimpossed on distance char.)on distance char. & see the...

Can i get details for IEC 61850 standard is working for High impedance Restricted earth fault prot. scheme for Transformers?

Thanks 52AB, IS OMICRON instrument detecting relay settings from any numerical relay automatically? & it is creating distance protection characteristics? Or we need to enter relay settings (say Z & angle, R & X etc.)in software & it is creating XRIO?

Can you give me a detail information & reliability of XRIO format for testing of protective relays?

Hi, I have experienced with three power system analysis software, ETAP2.5 (1000 buses), MIPOWER & EDSA (1000 buses). I found ETAP is very good for distribuion sector & EDSA is good for generation/transmision & distribution. But, i think price wise ETAP ($14500) is cheapper than EDSA. Thanks