6.8 Parameters: 14-** Special Functions
6.8.1 14-0* AFE Switching
14-01 Switching Frequency
Select the AFE switching frequency. Changing the switching
frequency can help to reduce acoustic noise from the AFE.
Default depend on power size.
Option:
Function:
[0]
1.0 kHz
[1]
1.5 kHz
Default switching frequency
for 355-1200 kW, 690V
[2]
2.0 kHz
Default switching frequency
for 250-800 kW, 400V and
37-315 kW, 690V
[3]
2.5 kHz
[4]
3.0 kHz
Default switching frequency
for 18.5-37 kW, 200V and
37-200 kW, 400V
[5]
3.5 kHz
[6]
4.0 kHz
Default switching frequency
for 5.5 – 15 kW, 200V and
11-30 kW, 400V
[7]
5.0 kHz
Default switching frequency
for 0.25 – 3,7 k W, 200V and
0.37-7.5 kW, 400V
[8]
6.0 kHz
[9]
7.0 kHz
[10]
8.0 kHz
[11]
10.0 kHz
[12]
12.0kHz
[13]
14.0 kHz
[14]
16.0kHz
6.8.2 14-2* Trip Reset
Parameters for configuring auto reset handling, special trip
handling and control card self test or initialisation.
14-20 Reset Mode
Select the reset function after tripping. Once reset, the frequency
converter can be restarted.
Option:
Function:
[0]
*
Manual reset
Select
Manual reset
[0], to perform
a reset via [RESET] or via the
digital inputs.
[1]
Automatic reset x 1
Select
Automatic reset x 1…x20
[1]-[12] to perform between one
and twenty automatic resets after
tripping.
[2]
Automatic reset x 2
[3]
Automatic reset x 3
[4]
Automatic reset x 4
14-20 Reset Mode
Select the reset function after tripping. Once reset, the frequency
converter can be restarted.
Option:
Function:
[5]
Automatic reset x 5
[6]
Automatic reset x 6
[7]
Automatic reset x 7
[8]
Automatic reset x 8
[9]
Automatic reset x 9
[10] Automatic reset x 10
[11] Automatic reset x 15
[12] Automatic reset x 20
[13] Infinite Automatic Reset Select
Infinite Automatic Reset
[13]
for continuous resetting after
tripping.
NOTICE
The AFE may start without warning. If the specified
number of AUTOMATIC RESETs is reached within 10min,
the frequency converter enters Manual reset [0] mode.
After the Manual reset is performed, the setting of
14-20 Reset Mode
reverts to the original selection. If the
number of automatic resets is not reached within 10min,
or when a Manual reset is performed, the internal
AUTOMATIC RESET counter returns to zero.
NOTICE
Automatic reset will also be active for resetting safe stop
function.
14-21 Automatic Restart Time
Range:
Function:
10s
*
[0 - 600 s] Enter the time interval from trip to start of the
automatic reset function. This parameter is
active when
14-20 Reset Mode
is set to
Automatic reset
[1] - [13].
NOTICE
Remember to set switches S201 (A53) and S202 (A54) as
specified below when performing a control card test in
parameter 14-22 Operation Mode
[1]. Otherwise, the test
fails.
14-22 Operation Mode
Option:
Function:
Use this ameter to specify normal operation;
to perform tests; or to initialise all parameters
except
15-03 Power Up's
,
15-04 Over Temp's
and
15-05 Over Volt's
. This function is active
only when the power is cycled to the
frequency converter.
Select
[0] Normal operation
for normal
operation of the frequency converter with the
motor in the selected application.
How to Programme
Operating Instructions
MG33X402
Danfoss A/S © Rev. 05/2014 All rights reserved.
57
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Содержание VLT Active Front End AFE 302
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