constraint_eqn_034 Subroutine

   subroutine constraint_eqn_034(tmp_cc, tmp_con, tmp_err, tmp_symbol, tmp_units)
      !! Equation for TF coil dump voltage upper limit (SCTF)
      !! author: P B Lloyd, CCFE, Culham Science Centre
      !! args : output structure : residual error; constraint value;
      !! residual error in physical units; output string; units string
      !! Equation for TF coil dump voltage upper limit (SCTF)
      !! #=# tfcoil
      !! #=#=# fvdump, vdalw
      !! and hence also optional here.
      !! Logic change during pre-factoring: err, symbol, units will be assigned only if present.
      !! fvdump : input real : f-value for dump voltage
      !! vdalw : input real : max voltage across TF coil during quench (kV)
      !! vtfskv : input real : voltage across a TF coil during quench (kV)
      use constraint_variables, only: fvdump
      use tfcoil_variables, only: vdalw, vtfskv
      implicit none
            real(dp), intent(out) :: tmp_cc
      real(dp), intent(out) :: tmp_con
      real(dp), intent(out) :: tmp_err
      character(len=1), intent(out) :: tmp_symbol
      character(len=10), intent(out) :: tmp_units

      tmp_cc =  1.0D0 - fvdump * vdalw/vtfskv
      tmp_con = vdalw
      tmp_err = vdalw - vtfskv
      tmp_symbol = '<'
      tmp_units = 'V'

   end subroutine constraint_eqn_034