Bleeder Power Distribution
Among Multiple Bleeders
When there is more than one bleeder, the user
has the option to specify if the total bleeder power
is:
1. Divided equally among all
bleeders
Example
If
the total required braking power, PTotal = 1000W and
there are n = 2 bleeders
Then
the continuous power through each bleeder is:
P1 = P2 =
PTotal / n = 1000 / 2 = 500W
2. Divided proportionally to
each bleeder’s continuous power rating
Example
If the total required braking power,
PTotal = 1000W, P1Rating = 250W and
P2Rating = 1000W
Then
the continuous power through each bleeder is:
P1 = PTotal x
P1Rating / (P1Rating + P2Rating) =
1000 x 250 / (250 + 1000) = 200W
P2 = PTotal x
P2Rating / (P1Rating + P2Rating) =
1000 x 1000 / (250 + 1000) = 800W
3. Divided proportionally to
resistor current. Ie. All choppers are synchronized such that they
engage and disengage simultaneously.
Example
If the total required braking power,
PTotal = 1000W, R1 = 50 Ohms and
R2 = 10 Ohms
Then
the continuous power through each bleeder is:
P1 = PTotal x
1/R1 / (1/R1 + 1/R2) = 1000 x 1/50
/ (1/50 + 1/10) = 167W
P2 = PTotal x
1/R2 / (1/R1 + 1/R2) = 1000 x 1/10
/ (1/50 + 1/10) = 833W
