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X1OutRv

j j

X1OutFw

X1InFw

RLdOutFw

RLdInFw

RLdOutRv

RLdInRv

X1InRv

IEC09000226_1_en.vsd

IEC09000226 V1 EN

Figure 58: Operating principle and characteristic of the power swing detection

function (settings parameters in italic)

Where:

RLdInFw =

RLdOutFw · kLdRFw

RLdInRv =

RLdOutRv · kLdRRv

X1OutFw =

X1InFw + (RLdOutFw -

RLdInFw)

X1OutRv =

X1InRv + (RLdOutFw -

RLdInFw)

13.5.5.1 Verifying the settings

Preconditions

The following output signal shall be configured to binary output available: ZOUT,

measured impedance within outer impedance boundary.

1MRK 504 088-UEN C Section 13

Verifying settings by secondary injection

129

Installation and commissioning manual

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General

Rated Frequency	50/60 Hz
Inputs	Analog and binary inputs
Application	Protection of power systems
Communication Protocols	IEC 61850, DNP3, Modbus
Operating Temperature Range	-25°C to +55°C
Mounting	Rack mounted
Number of Binary Inputs	Up to 48
Number of Binary Outputs	32
Protection Functions	Overcurrent Protection
Outputs	Binary outputs
Enclosure	IP 54
Type	Line Differential Protection
Number of Analog Inputs	24