76
ADVANCED PARAMETER-SETTING MODE
Commissioning manual Powerdrive MD2/FX
4617 en - 2017.09 / e
05.59
: Rotation direction
Adjustment range : Clockwise (0) or C/clockwise (1)
Factory setting : Clockwise (0)
Format: 8 bits
This parameter is used to modify the direction of rotation when
viewed from the drive end, without changing the speed
reference sign.
It is only taken into account when the drive is stopped.
05.60
: Low-speed switching frequency
Adjustment range : 2 kHz (0) to 18 kHz (19)
Factory setting : 3 kHz (2) for the
POWERDRIVE MD2
4 kHz (4) for the
POWERDRIVE FX
Format: 8 bits
05.60
Frequency
05.60
Frequency
0
2 kHz
10
7 kHz
1
2.5 kHz
11
8 kHz
2
3 kHz
12
9 kHz
3
3.5 kHz
13
10 kHz
4
4 kHz
14
11 kHz
5
4.5 kHz
15
12 kHz
6
5 kHz
16
13 kHz
7
5.5 kHz
17
14 kHz
8
6 kHz
18
16 kHz
9
6.5 kHz
19
18 kHz
Note:
For frequencies higher than 6 kHz, please consult LEROY-
SOMER. For the
POWERDRIVE FX
, the switching frequency
must be ≥ 4 kHz (4).
Used to set the switching frequency when the motor frequency/
speed is below the threshold defined in
05.61
.
05.61
:
Switching frequency threshold
Adjustment range : 0.00 to 590.00 Hz
Factory setting : 0.00 Hz
Format: 32 bits
If the motor frequency (speed) is below the threshold set by
05.61
, the switching frequency selected via
05.60
is used.
Otherwise, the switching frequency
05.18
is used.
Reminder:
F = (pp x N)/60, where F is the frequency in Hz, pp
the number of pairs of poles and S the speed in rpm.
Note:
For the
POWERDRIVE FX
, when
05.60
< 4 kHz, the actual
trip threshold is the smallest value between
05.61
and 1/15 of
the motor rated frequency
05.06
05.62
: Torque/speed optimisation for synchronous
motor
Adjustment range : Standard (0), Fixed (1),
Optimized mode 1 (2), Optimized mode 2 (3)
Factory setting : Standard (0)
Format: 8 bits
This parameter is only active when
11.31
is on Servo (3).
Standard (0):
The drive regulates a zero magnetising current in the motor
(corresponds to the majority of applications).
Fixed (1):
The drive imposes in line with the pole axis a current set by
05.63
(visible in
04.17
).
Optimized mode 1 (2):
The drive imposes in line with the pole axis a current proportional
to the active current. The proportionality slope is set by
05.63
which corresponds to the demagnetising current desired at the
motor rated current
05.07
.
Optimized mode 2 (3):
The drive imposes in line with the pole axis a current defined
according to the typical motor parameters (
05.24
,
05.33
,
05.51
).
In all cases, when the drive output voltage reaches its limit
(defluxing range), the pole axis current is then imposed by
automatic defluxing.
Note:
Leave
05.62
= Standard (0) and only change after consulting
LEROY-SOMER.
05.63
:
Optimal magnetising current
Adjustment range : 0.00 to 2.2 x
11.32
Factory setting : 0.00 A
Format: 32 bits
CAUTION:
This parameter is only active when
11.31
is on Servo (3).
When
05.62
equals Fixed (1) or Optimized mode 1 (2),
05.63
is used to set the optimum magnetising current for synchronous
motors (see explanations in parameter
05.62
).
When
05.62
is on Standard (0), the value programmed in
05.63
can be used to brake the motor more quickly by
increasing the losses in the motor during braking phases. To
do this, set
02.04
to Fixed ramp + (3) or Automatic ramp + (2).
05.64
: Starting threshold (synchronous motor)
Adjustment range : 0% to 100% of
05.08
Factory setting : 10%
Format: 8 bits
Used to set the speed at which the injection of a current to help
with starting a permanent magnet synchronous motor is
cancelled (see
05.52
).
Содержание LEROY-SOMER Powerdrive FX
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Страница 174: ...174 MAINTENANCE Commissioning manual Powerdrive MD2 FX 4617 en 2017 09 e Notes...
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