User Manual

Publication 1398-5.0 – October 1998
F-4 Dynamic Braking Resistor Selection
Current Calculation (Amps):
Instantaneous Power Calculation (Watts):
Average Power (Watts):
Intro
it()
K
E
ω
o
e
t–
τ
----
⋅⋅
0.866 R 2 R
L
⋅+()
-------------------------------------------=
:
Intro
P( )t
.
R
.
2R
L
e
0 0.05 0.1 0.15 0.2
0
2500
5000
7500
1 10
4
P( )t
Pt()
1.154 K
E
K
T
ω
2
o
⋅⋅⋅
R2+R
L
⋅()
-------------------------------------------------
e
2–t⋅
τ
------------
⋅=
:
Intro
P
ave
0.
·
144
K
E
K
T
ω
2
o
⋅⋅
R2R
L
⋅+
-------------------------------
=
P
ave
1116=
: