Recent content by SAks

  1. S

    Fortran What causes undefined reference errors in gfortran compilation?

    @jtbell thanks for responding.. I did give the whole path, now some new problem.. this is what i get.. [SAks@localhost Desktop]$ gfortran schdc.f -L/home/SAks/Desktop -lblas /usr/lib/gcc/x86_64-redhat-linux/4.4.5/libgfortranbegin.a(fmain.o): In function `main': (.text+0x26): undefined reference...
  2. S

    Fortran What causes undefined reference errors in gfortran compilation?

    Hi friends! I am a complete newbie to fortran.. I've been trying to compile linpack but keep getting following error.. [SAks@localhost Desktop]$ gfortran schdc.f -lblas /usr/bin/ld: cannot find -lblas collect2: ld returned 1 exit status please advise.. Thanks in advance
  3. S

    Three-phase supply phases keep changing daily

    "http://www.automationdirect.com/adc/Shopping/Catalog/Drives" is this the only place where i can find VFDs?? do you any other companies selling them, such as Hager..
  4. S

    Three-phase supply phases keep changing daily

    @Marquis Yes, quite a good idea.. even i did think of cobbling such a thing using a servo.. but I am speaking of solid 20 Amperes of load at 440 volts.. things can go wrong with such a non-professional, homemade stuff which can potentially blow up everything in vicinity.. @Mthoronton there...
  5. S

    Three-phase supply phases keep changing daily

    Yes, phase reversal is being done by the electricity provider itself(somewhere at power station or substation). This is the only problem cause i got the pumps checked out by the manufacturer and they say there aint anything wrong with pump or the starter panel.. I did inquire at my neighbor's...
  6. S

    Three-phase supply phases keep changing daily

    PLZ HELP!3 phase supply keeps interchanging Hey friends, The power supplying company at my place keeps changing the phases on daily basis and this has caused a nuisance.. In my country the colour coding is "Red-Yellow-Blue" I have to change the Main supply wired to "Blue-Yellow-Red"...