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MA7200 PLUS Operating Manual
TECO – Westinghouse Motor Company Sn-01 Parameter Details (575V Class Inverter Capacity)
Table 9.2.3.1c 575V Class Inverter Capacity Selection
Sn-01 setting
051
052
053
054
055
056
CT(Sn-61
=
0)
VT(Sn-61
=
1)
Item Name
CT CT CT CT CT CT
Inverter rated capacity
(KVA)
1.7 3 4.2 6.6 9.9
12.2
Inverter rated current (A)
1.7
3
4.2
6.6
9.9
12.2
Max. applicable capacity
(HP)
1 2 3 5.4
7.5
10
Fact
or
y S
et
ting
Cn-09
Motor rated
current (A)
1.3 2.3 3.1 5.1 7.5 9.6
Cn-12
Motor line
impedance (
Ω
)
39.259 17.048 10.316 4.939 2.601 1.446
Cn-13
Core loss torque
compensation
(W)
48 65 81 130 193 263
Cn-34
Carrier
freq.(kHz)
10 10 10 10 10 10
Cn-37
Min. baseblock
time (sec)
0.5 0.5 0.5 0.5 0.7 0.7
Sn-02
V/F
curve 01 01 01 01 01 01
Max. carrier freq. (kHz)
10
10
10
10
10
10
*1
Use the variable torque patterns when there is a quadratic or cubic relationship between the speed and load,
such as in fan or pump applications. The user can properly choose the desired (V/f) patterns (Sn-02=04, 05,
06, or 07) based upon the torque load characteristics.
*2
In fan or pump applications, the torque load has a quadratic or cubic relationship between the speed and load.
The inverter capacity rating can be increased to a value that doubles its own specified capacity rating
in some special cases. However, due to the real hardware limitation, 230V: 1HP, 2HP, 3HP, 10HP, 25HP, 40HP
and 460V: 1HP, 2HP, 3HP, 30HP, 50HP can not be adapted to any larger capacity.
NOTES-