09/30203680 DC : 0

1 Scope
2 General
  2.1 Excitation system
       2.1.2 Digital excitation system
       2.1.3 Reversible excitation system
  2.2 Exciter
       2.2.1 Pilot exciter
  2.3 Excitation control
       2.3.1 Excitation control system
  2.4 Field winding terminals
  2.5 Excitation system output terminals
  2.6 Rated field current I[fN]
  2.7 Rated field voltage U[fN]
  2.8 No-load field current I[fo]
  2.9 No-load field voltage U[fo]
  2.10 Air-gap field current I[fg]
  2.11 Air-gap field voltage U[fg]
  2.12 Excitation system rated current I[EN]
  2.13 Excitation system rated voltage U[EN]
  2.14 Excitation system ceiling current I[p]
  2.15 Excitation system ceiling voltage
       2.15.1 Excitation system positive ceiling
              voltage U[p]
       2.15.2 Excitation system negative ceiling
              voltage U[p]
  2.16 Excitation system no-load ceiling voltage U[po]
  2.17 Excitation system on-load ceiling voltage U[pL]
       2.17.1 Excitation system on-load positive ceiling
              voltage U[pL]
       2.17.2 Excitation system on-load negative ceiling
              voltage U[pL]
  2.18 Excitation system nominal response V[E]
  2.19 Excitation system voltage response time
       2.19.1 High initial response
3 Exciter categories
  3.1 Rotating exciter
       3.1.1 D.C. exciter
       3.1.2 A.C. exciter
  3.2 Static exciter
       3.2.1 Potential source static exciter
       3.2.2 Compound source static exciter
       3.2.3 Auxiliary winding source static exciter
4 Control functions
  4.1 Voltage regulator
  4.2 Load current compensator
  4.3 Overexcitation limiter
  4.4 Stator current limiter
  4.5 Underexcitation limiter
  4.6 Volts per hertz limiter
  4.7 Power system stabilizer