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Hi! ¿Does anyone know the diference between the protection functions 50 and 50P. The same thing with 51 and 51P.? Im not taking about 50/51N In some projects I saw that engineers make diference between 50 and 50P Thanks in advance Martin

Hello I need to know how is the inrush current wave of a no loaded cable 1x150 mm² (300 MCM), 4.16 Kv, 29 Km (18 Mi), 60 Hz. I undertand the first ones cicles have a high frequency, but i have not idea which is that freq. Can anyone help me. Sorry about my english Thanks in advance Martin

Hi! Does anyone knows how to calculate the effect of solar radiation in transmission lines (ACSR, AAAC, AAC, etc)?? Thanks in advance Martin

Hi! I have a 110 KV cable of 320 miles. I have to do cross-bonding of the screen, but I dont know how many link boxes should I put. Anyone can help me?? Sorry about my english Thanks in advance Martin

Does anyone can suggest me some publications about GIS Vs. AIS? Thanks in advance Giordano

Hi! Does anyone knows what is the maxim allowed tension between ground and the neutral in a TT system?? Thanks in advance Martin

How can I calculate the Homopolar Impedance of a cable from the manufacturer data?? Thanks in advance Martin

Hi! Does anyone know where can I find the thermal time constant of electrical asynchronics motors? thanks in advance. Martin

Hi! I´m looking for any webpage were I can find examples of the equivalent circuit parameters, but I cant get them. Does anyone know were can I find them??? Thanks in advance. Martin

Anyone can tell me what is a washout?? (Talking about power system stabilizer Thanks Martin

Hi! I´d like to read IEC 61850 to learn about that. Anyone knows where can I find it??? Thanks Martin

I would like to know what does "WAN" means (talking about SCADA system). I will be very thanksful for any information. Thanks Martin Torres

Please I need information to make a synchronization between TP170A and S7-200. Thanks Martin

I will be very thanksful if somebody can help me with my trouble: I have a 0-24 Vcc signal and I need a 4-20 mA signal. How can I do for cahnge it??? Thanks Martin

I need libraries of images for WinCC Flexible V. Compact. Anyone can help me?? Thanks

Hi! Anyone know where I can download the S7-200 simulator?? Thanks

How can I install again the 60 days step 7 microWIN V4.0 evaluation version?? Please, anyone know something about this?? Thanks