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Variant 3

Voltage and frequency protection

Variant 3

Voltage and frequency protection

Variant 3

Voltage and frequency protection

Variant 3

Voltage and frequency protection

Protection & control functions Documentation

Protection & control functions

Protection & control functions	IEC	ANSI	*Inst.
Definite time undervoltage protection function	U<, U<<	27	2	19/12/2024
Negative sequence definite time overvoltage protection function	U2 >	47	1	10/10/2024
Breaker failure protection functions	CBFP	50BF	1	03/10/2022
Definite time overvoltage protection function	U>, U>>	59	2	19/12/2024
Residual definite time overvoltage protection function	Uo>, Uo>>	59N	2	20/12/2024
Overfrequency protection function	f>, f>>	81O	2	20/12/2024
Underfrequency protection function	f<, f<<	81U	2	20/12/2024
Rate of change of frequency function	df/dt	81R	2	20/12/2024
Vector jump protection function	ΔφU>	78VJ	1	09/07/2019

*The INST. column contains the numbers of the pre-configured function blocks in the factory configuration.These numbers may be different in order to meet the user’s requirements.

Documentation

Product Configuration Options

System Description
IED-EP+ S16 general description	09/07/2019

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Protection & control functions

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