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voltage, i.e. for a programmed measuring voltage of primarily 400 V Ph/Ph, the setting
range is 230 V to 346 V Ph/N. The setting range is dependent on the programmed primary
measuring voltage.
When the limit for the overvoltage switch-off is exceeded, the hooked up compensation
stages are immediately switched off. After the temperature has dropped below the limit
by 1% of the limit, the compensation stages are hooked up again after the discharge time
has elapsed.
The configuration and functionality of the induced current limits is described in the
menu “Functions of the controller in the secureC safety and maintenance concept”
at the beginning of the user manual.
NOTE
The default setting for the overvoltage limit is, for a measuring voltage of 230 V PH-N,
10% more, i.e. 253 V PH-N. In case of operation via voltage transformer, the limit has to be
set correspondingly higher.
Example
: For a voltage transformer of 500 V PH-PH
primary and 230 V PH-PH secondary, the limit has to be set to 550 V PH-PH (500 V PH-PH
+ 10% (= 50 V) equals 550 V PH-PH).
This limit has to be configured manually!
The limit of the capacitor contactor operating cycles is used as an indication for cus-
tomers that the capacitor contactor could be worn out due to the number of switching
operations accumulated. However, the message E09 Lim operating cycles does not
affect the function of the compensation system at all. It is merely used as a "maintenance
instruction".
Operating cycle counting is always activated. However, the message E09 Lim operating
cycles is only displayed when the system is defined as the standard system, meaning that
all stages are switched via contactors.
In case of a special system (combination of contactors and thyristor switches), this
message is suppressed. If the operating cycle count limit is set to 0, there is no message
display, either.
System operation