Materials Selection Details
[Calculation Method of
Regeneration Power by Operations
along Horizontal Axis]
Materials−8
■
Regeneration Power (PM) by Operations along Horizontal Axis
●
Regeneration energy is calculated.
EM=EHb= ×N×3・KEφ × ×tb− ×3・Rφ×tb
1
2
2
Tb
KT
Tb
KT
EM : Regeneration energy during operations
along horizontal axis
……[J]
EHB : Regeneration energy during deceleration ……[J]
KE
φ
: Induced voltage constant
……[Vrms/min
-1
] (Motor constant)
KT : Torque
constant
……[N
・
m/Arms] (Motor constant)
N
: Motor rotation speed
……[min
-1
]
R
φ
: Armature
resistance
……[
Ω
] ( Motor constant)
Tb :
Deceleration
time
……[s]
Tb
: Torque during deceleration
……[N
・
m] (Tb= Tc - TF)
Tc
: Adjustable speed torque
……[N
・
m]
TF : Friction
torque
……[N
・
m]
●
Effective regeneration power is calculated.
PM=
to
EM
PM : Effective regeneration power [W]
EM : Regeneration energy during deceleration [J]
To
: Cycle time [s]
N
0
Speed
T
C+
T
F
TF
Tb
to
tb
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