Reactor#
( Circuit Element, PD Element )
EPRI’s OpenDSS Documentation for this component: https://opendss.epri.com/Reactor.html
# 
Name 
Type 
Default 
Units 
Description 

1 

string 
Name of first bus. Examples: 

2 

string 
Name of 2nd bus. Defaults to all phases connected to first bus, node 0, (Shunt Wye Connection) except when Bus2 is specifically defined. 

3 

integer 
3 
Number of phases. 

4 

real 
kvar 
Total kvar, all phases. Evenly divided among phases. Only determines X. Specify R separately 

5 

real 
kV 
For 2, 3phase, kV phasephase. Otherwise specify actual coil rating. 

6 

string 
Wye 
={wye  delta LN LL} Default is wye, which is equivalent to LN. If Delta, then only one terminal. 

7 

array of reals 
Resistance matrix, lower triangle, ohms at base frequency. Order of the matrix is the number of phases. Mutually exclusive to specifying parameters by kvar or X. 

8 

array of reals 
Reactance matrix, lower triangle, ohms at base frequency. Order of the matrix is the number of phases. Mutually exclusive to specifying parameters by kvar or X. 

9 

boolean 
False 
Indicates whether Rmatrix and Xmatrix are to be considered in parallel. Default is series. For other models, specify R and Rp. 

10 

real 
Ω 
Resistance (in series with reactance), each phase, ohms. This property applies to REACTOR specified by either kvar or X. See also help on Z. 

11 

real 
Ω 
Reactance, each phase, ohms at base frequency. See also help on Z and LmH properties. 

12 

real 
Ω 
Resistance in parallel with R and X (the entire branch). Assumed infinite if not specified. 

13 

complex 
Ω 
Positivesequence impedance, ohms, as a 2element array representing a complex number. Example: 

14 

complex 
Ω 
Negativesequence impedance, ohms, as a 2element array representing a complex number. Example: 

15 

complex 
Ω 
Zer0sequence impedance, ohms, as a 2element array representing a complex number. Example: 

16 

complex 
Ω 
Alternative way of defining R and X properties. Enter a 2element array representing R +jX in ohms. Example: 

17 

string 
Name of XYCurve object, previously defined, describing perunit variation of phase resistance, R, vs. frequency. Applies to resistance specified by R or Z property. If actual values are not known, R often increases by approximately the square root of frequency. 

18 

string 
Name of XYCurve object, previously defined, describing perunit variation of phase inductance, L=X/w, vs. frequency. Applies to reactance specified by X, LmH, Z, or kvar property.L generally decreases somewhat with frequency above the base frequency, approaching a limit at a few kHz. 

19 

real 
mH 
Inductance, mH. Alternate way to define the reactance, X, property. 

20 

real 
A 
Normal rated current. Defaults to perphase rated current when reactor is specified with rated power and voltage. 

21 

real 
A 
Maximum or emerg current. Defaults to 135% of perphase rated current when reactor is specified with rated power and voltage. 

22 

real 
0.001 
Reactor.faultrate 

23 

real 
100.0 
Percent of failures that become permanent. 

24 

real 
3.0 
Hours to repair. 

25 

real 
Hz 
Base Frequency for ratings. 

26 

boolean 
True 
Indicates whether this element is enabled. 

27 

string 
Make like another object, e.g.: 
Sample links#
These are the 17 sample files with occurrences of this DSS object.
# of occurrences 
Link 

80 

12 

7 

6 

2 

2 

2 

1 

1 

1 

1 

1 

1 

1 

1 

1 

1 
Links are provided to the dssextensions/electricdsssrc repository since there are some edits and fixes. Otherwise, these files should be available on the official OpenDSS SVN or in the OpenDSS application folder if your have a local installation.