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EDR-5000
IM02602007E
Voltage Controlled Overcurrent Protection [51C]
When a sort circuit is near the generator, the voltage might drop down. By means of
Adaptive Parameters (Please
refer to chapter Parameter) the tripping times or tripping characteristics can be modified by the output signal of a
voltage element (depending on a threshold). The device might change a load curve to a fault curve (taking influence on
tripping time, trip curves and reset modes).
Please proceed as follows:
Read and understand the section „Adaptive Parameters“ within the chapter Parameter.
Do the device planning and set all required parameters for the Undervoltage element.
Do the device planning and set all required parameters for the Overcurrent element.
Set the
Adaptive Parameters within the Overcurrent element in the relevant parameter sets (e.g. Curve multiplier,
curve type...).
Assign the Undervoltage alarm (pickup) within the
Global Parameters as an activation signal for the corresponding
Adaptive Parameter set of the overcurrent element that should be modified.
Check the functionality by a commissioning test.
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Содержание EDR-5000
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