: Public Class
Created: 05/02/2012 11:05:39
Modified: 05/08/2012 10:08:33
Project:
Advanced:
Field Voltage or Current overexcitation limiter designed to protect the generator field of an AC machine with automatic excitation control from overheating due to prolonged overexcitation.<br/>
Attribute
Public PU
  efd1
Details:
Notes: Low voltage or current point on the inverse time characteristic (EFD<sub>1</sub>).  Typical Value = 1.1.<br/>
Public PU
  efd2
Details:
Notes: Mid voltage or current point on the inverse time characteristic (EFD<sub>2</sub>).  Typical Value = 1.2.<br/>
Public PU
  efd3
Details:
Notes: High voltage or current point on the inverse time characteristic (EFD<sub>3</sub>).  Typical Value = 1.5.<br/>
Public PU
  efddes
Details:
Notes: Desired field voltage if m=F or field current if m=T (EFD<sub>DES</sub>).  Typical Value = 1.<br/>
Public PU
  efdrated
Details:
Notes: Rated field voltage if m=F or field current if m=T (EFD<sub>RATED</sub>).  Typical Value = 1.05.<br/>
Public PU
  kmx
Details:
Notes: Gain (K<sub>MX</sub>).  Typical Value = 0.002.<br/>
Public Boolean
  m
Details:
Notes: (m).<br/>true = IFD limiting<br/>false = EFD limiting.<br/>
Public Seconds
  t1
Details:
Notes: Time to trip the exciter at the low voltage or current point on the inverse time characteristic (TIME<sub>1</sub>).  Typical Value = 120.<br/>
Public Seconds
  t2
Details:
Notes: Time to trip the exciter at the mid voltage or current point on the inverse time characteristic (TIME<sub>2</sub>).  Typical Value = 40.<br/>
Public Seconds
  t3
Details:
Notes: Time to trip the exciter at the high voltage or current point on the inverse time characteristic (TIME<sub>3</sub>).  Typical Value = 15.<br/>
Public PU
  vlow
Details:
Notes: Low voltage limit (V<sub>LOW</sub>) (#gt;0).<br/>
Object Type Connection Direction Notes
OverexcitationLimiterDynamics Class Generalization To