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This block generates a trip signal when there is an over-current event in the DC or AC side of the converter after a specified interval of time.

Mask and Parameters


NameDescriptionUnit
Sample Time

Computational time step

s

AC Current Threshold Value (kA)

Minimum AC current value to activate the trip signal

kA

DC Current Threshold Value (kA)

Minimum DC current value to activate the trip signal

kA

Action Time Delay (s)

When DC or AC threshold is surpassed, the trip signal is set high after this time

s

Inputs, Outputs and Signals Available for Monitoring

Inputs

NameDescriptionUnit

Idc

Input DC current to the converter

A

Iac

Output AC current from each of the converter phases

A

Outputs

NameDescriptionUnit

OC

Trip signal for over current events

-

References

[1]

IEEE, "IEEE Standard for Interconnection and Interoperability of Distributed Energy Resources with Associated Electric Power Systems Interfaces," IEEE Std 1547-2018 (Revision of IEEE Std 1547-2003), no. doi: 10.1109/IEEESTD.2018.8332112, pp. 1-138, 2018.

[2]

IEEE, "IEEE Standard Conformance Test Procedures for Equipment Interconnecting Distributed Energy Resources with Electric Power Systems and Associated Interfaces," IEEE Std 1547.1-2020, pp. 1-282, 2020.

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Natural Resources Canada owns all intellectual property rights in the Smart Inverter Modelling Toolbox software and related products.

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