Nidec Leroy-Somer Powerdrive MD Smart, Руководство по интеграции

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29
HARDWARE SELECTION
Powerdrive MD Smart Integration Guide
5751 en - 2021.10 / e
HARDW
ARE
SELECTION
2.2.1 - Aid for determining Isp variator current under non-standard conditions
A
B C
D
Yes
Yes No
Yes
No
No
Reduced Maximum
Operation
≥ 10 Hz ?
(steady state)
Reduced or
maximum overload ?
Altitude
≤ 3,000 m ?
Reduced Maximum
Reduced or
maximum overload ?
Design
temperature
≤ 40°C ?
Design
temperature
≤ 50°C ?
Determination of
the design
temperature
See §2.2.2
Determination of the
Bf
derating coefficent
Consult
Leroy-Somer
No
Consult
Leroy-Somer
Motor data:
Motor rated current Imot
MD Smart Isp selection:
- Isp = Imot / ( Bf x Df x Cf )
- Lines T_rate = 40°C
- Columns = Reduced overload
- Reduced ISp = Imot/1.1*(Bf x Df x Cf)
Refer to selection table §2.3
MD Smart Isp selection:
- Isp = Imot / ( Bf x Df x Cf )
- Lines T_rate = 40°C
- Columns = Max. overload
Refer to selection table §2.3
Yes
MD Smart Isp selection:
- Isp = Imot / ( Bf x Df x Cf )
- Lines T_rate = 50°C
- Columns = Reduced overload
- Reduced ISp = Imot/1.1*(Bf x Df x Cf)
Refer to selection table §2.3
Coef Bf = 1
Yes
No
Altitude
≤ 1,000 m ?
Determination of
Df and Cf derating coefficient
Determination of Bf coefficients
For more details, see §2.2.4
Df x Cf coef.= 1
MD Smart Isp selection:
- Isp = Imot / ( Bf x Df x Cf )
- Lines T_rate = 50°C
- Columns = Max. overload
Refer to selection table §2.3
Frequency
or
T_rate
Reduced overload Maximum overload
Max. input
(A)
Rated input
(A)
40°C
P_MOTOR 4P
A 3 kHz 400V at 40°C
(kW)
Imax.60s
(A)
Reduced
overload
Maximum
overload
Imax.3s
(A)
LS MODEL
DC current
Motor current Isp Output Intensity Steady
(A)