Available Functions; Differential Protection; Impedance Protection - ABB RET670 Product Manual

Transformer protection RET670
Customized
Product version: 1.2

2. Available functions

Main protection functions
2 = number of basic instances
0-3 = option quantities
IEC 61850 ANSI Function description

Differential protection

T2WPDIF 87T Transformer differential protection, two winding
T3WPDIF 87T Transformer differential protection, three winding
HZPDIF 87 1Ph high impedance differential protection
REFPDIF 87N Restricted earth fault protection, low impedance

Impedance protection

ZMQPDIS, 21 Distance protection zone, quadrilateral characteristic
ZMQAPDIS
ZDRDIR 21D Directional impedance quadrilateral
ZMCPDIS, 21 Distance characteristic for series compensated lines
ZMCAPDIS
ZDSRDIR 21D Directional impedance quadrilateral, including series
compensation
FDPSPDIS 21 Phase selection, quadrilateral characteristic with fixed angle
ZMHPDIS 21 Full-scheme distance protection, mho characteristic
ZMMPDIS, 21 Full-scheme distance protection, quadrilaterial for earth faults
ZMMAPDIS
ZDMRDIR 21D Directional impedance element for mho characteristic
ZDARDIR Additional distance protection directional function for earth fault
ZSMGAPC Mho impedance supervision logic
FMPSPDIS 21 Faulty phase identification with load enchroachment
ZMRPDIS, 21 Distance protection zone, quadrilateral characteristic, separate
ZMRAPDIS settings
FRPSPDIS 21 Phase selection, quadrilateral characteristic with settable angle
ZMRPSB 78 Power swing detection
ZMRPSL Power swing logic
PSPPPAM 78 Pole slip/out-of-step protection
PPLPHIZ Phase preference logic
4
1MRK 504 117-BEN D
Transformer
RET670
1-2
1-2
0-6
0-3
0-5
0-2
0-5
0-2
0-2
0-5
0-5
0-2
0-1
0-1
0-2
0-5
0-2
0-1
0-1
0-1
0-1
ABB