.
..
..
21.
SWCTlN6
GENERAL-PURPOSE
"TIC
FLUX
VECTOR
CONTROL
.~...
-
.2-..
~
-
--
..
.
.
.
.
(3)
Parameters related
to
the general-purpose magnetic flux vector control
"\"
F.*wy-
Dosulption
st
va~ue
~.t(lng
range
Name
wmne-
0.1
(1/8HP)
to
3.7KW
(5HP).
selecllon
Of
vF
amI'd
Bgss
0
80
capanty
9999'2
0.1
to
3.7.'
(Selecbon
d
QmeraCprrpose
msgneR
Setting
01
motor
capaaty
(kW)
Rux
vector
m~d)
,,
Applwe
rotors"
01
0
-
Constant
torque
motor
(separataly
coded)
1
0
SWrd rotor
(NEMA
B
TEFC
M
ODP)
'1.
The electronic thermal relay characteristics are selected.
'2.
A
0.1
kW
setting cannot
be
made for the 400
V
class.
Settlng
methods
for
when
general-purpose flux vector
control
is
selected
and wiring dis-
tance between inverter
and
motor exceeds
30
rn
1.
setting
procedura
(1)
Calculate the setting values of the special parameter.
Calculate the setting value as shown below.
I
WMng
resistance
value (resistance
(w)
per
1
m
6
wiring length (m))]
(A
calculation example
is shown
below.)
<Reference values>
'
For special wire sizes,
the following equation is used.
R(R)=pxz
1
D:
constant 1.7241
x
10.'
t
3.5
0.004926
R
i
A:
cross-section area
1:
length
(2) Special parameter setting method
Set the value obtained in section
(1)
above with the following procedure.
0
Pr. 77: Set
to
801 (Note
2)
0
Pr.
80:
Set motor capacity
0
Pr.
87:
Set resistance value
0
Pr. 77: Set
to
0
or
1
(Return
to
oriainal settina value)
Note:
Pr. 87 is displayed only when Pr. 77 is set
to
801.
(Note
1)
The torque may not
be
achieved if not set.
(Note
2)
When Pr. 77 is set
to
801, the parameters following Pr. 82 will display simul-
taneously, but do not change the other parameters. The inverter could
be
damaged
if the parameters are changed.
Settlnq
value
calculatlon examples
Wlre
Sh
.
Wlrlng length
20m
30m
2OOm
150m
1
OOm
8Om
5om
(mm2)
(65.64 feel)
0.65oR
0
487P
0.325R
O.26OR
0.162fl
0
097i2
0.065R
5.5
0.985~
o
73w 0.49~1
0.3~~
0.24.511
0.148n
o
09w 3.5
1.715~
1.266~
0.857~
o.wn
0.42~
0.257~
0.171~
2
(656.16
feet)
(492.12
(eel)
(328.08
feet)
(262.46
feet) (164.04 leet)
(96.46
leet)
-54-
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