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Fronius IG-TL Serie Manual De Instrucciones página 65

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0x9F - Set power
Inverter-specific behaviour for Fronius IG Plus V and Fronius CL:
reduction and
A maximum reactive power of approx. 2100 VAr can be made available per power stage
reactive power
set.
(continued)
Calculation of the maximum value: Number of power stage sets x 2100 VAr = 100%
The reactive power available for each feed-in operating point also depends on the
present effective power output due to the limited power factor. For this reason, the
reactive power specified value is only used as a maximum value when sufficient effecti-
ve power is being output and thus the power factor remains within the defined limits.
Example for Remote Ctrl CMD ID 0x04:
Query:
Start Length
Remote Ctrl Data
Values in the 'Remote Ctrl Data' byte:
Q
abs
Q
abs
Change gradient:
Response:
Start Length Device / Option Number Command Remote Ctrl CMD ID
Remote Ctrl Data
-
-
-
Device / Option Number Command
variable 0x00
0x00
Inverter number
Remote Ctrl Data
specified value
Separator
0x7F
specified value:
big endian | signed int | resolution: 1 LSB = 1 [VAr] |
Value range -32768 to +32767d
big endian | unsigned int | resolution: 1 LSB = 1 [VAr] / sec |
Value range 1-65534d
Special value: 0xFFFF is defined as 'as fast as possible'
reserved data must always be 0x00
variable 0x00
0x00
Inverter number
The Q
specified value indicates the reactive power provided by the inverter while
abs
feeding power into the grid as an absolute value.
A Q
specified value of 0 VAr means live operation while feeding power into the
abs
grid (reactive components may occur due to the integrated EMI filter if filter compen-
sation is not activated).
The change gradient indicates the speed at which the inverter will change from the
present Q
specified value to the new Q
abs
can be used to avoid erratic changes between entered values.
Remote Ctrl CMD ID
0x9F
0x04
Checksum
Change gradient
Separator
0x7F
0x9F
0x04
Checksum
specified value. The change gradient
abs
59
Separator
0x7F
Reserved
0x00
Separator
0x7F

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