Delta Electronics VFD037CH23A-21 — параметры настройки и требования к мощности электродвигателя [603/638]
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Delta Electronics VFD037CH23A-21 — параметры настройки и требования к мощности электродвигателя [603/638]

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Delta Electronics VFD015CH23A-21 [603/638] _ _ _ _ _ 10 3
Chapter 12 Description of Parameter SettingsCH2000 Series
17-3
2.3 When it is running continuously
The requirement of load capacity should be less than the capacity of AC motor drive(kVA)
The requirement of load capacity=
)(_____
cos
kVAdrivemotorACofcapacitythe
Pk
M
The motor capacity should be less than the capacity of AC motor drive
)(_____103
3
kVAdrivemotorACofcapacitytheIVk MM
The current should be less than the rated current of AC motor drive(A)
)(______ AdrivemotorACofcurrentratedtheIk M
Symbol explanation
M
P
: Motor shaft output for load (kW)
η
: Motor efficiency (normally, approx. 0.85)
cos
: Motor power factor (normally, approx. 0.75)
MV
: Motor rated voltage(V)
M
I
: Motor rated current(A), for commercial power
k
: Correction factor calculated from current distortion factor (1.05-1.1, depending on PWM
method)
1CP
: Continuous motor capacity (kVA)
Sk
: Starting current/rated current of motor
Tn
: Number of motors in parallel
Sn
: Number of simultaneously started motors
2
GD
: Total inertia (GD
2
) calculated back to motor shaft (kg m
2
)
L
T
: Load torque
A
t
: Motor acceleration time
N
: Motor speed

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Узнайте о требованиях к мощности и текущим характеристикам электродвигателей. Оптимальные настройки для надежной работы и эффективного использования.