![ABB 650 series Technical Manual Download Page 160](http://html.mh-extra.com/html/abb/650-series/650-series_technical-manual_2503160.webp)
R
jX
LdAngle
LdAngle
RLdOutFw
RLdInFw
R1FInFw
R1FInRv
RLdInRv
RLdOutRv
X1InFw
X1OutFw
ZL
R1LIn
X1InRv
X1OutRv
ANSI05000175-2-en.vsd
D
Fw
j
j
j
D
Rv
D
Rv
D
Rv
D
Rv
D
Rv
D
Fw
D
Fw
D
Fw
D
Fw
D
Fw
ANSI05000175 V2 EN
Figure 62:
Operating characteristic for ZMRPSB (68) function (setting parameters in
italic)
The impedance measurement within ZMRPSB (68) function is performed by solving
equation
(Typical equations are for phase A, similar equations are
applicable for phases B and C).
Re
A
A
V
Rset
I
æ
ö
£
ç
÷
è
ø
EQUATION1557 V1 EN
(Equation 34)
Im
A
A
V
Xset
I
æ
ö
£
ç
÷
è
ø
EQUATION1558 V1 EN
(Equation 35)
The R
set
and X
set
are R and X boundaries.
Section 7
1MRK 502 048-UUS A
Impedance protection
154
Technical manual
Summary of Contents for 650 series
Page 1: ...Relion 650 series Generator protection REG650 ANSI Technical manual ...
Page 2: ......
Page 44: ...38 ...
Page 62: ...56 ...
Page 68: ...62 ...
Page 156: ...150 ...
Page 198: ...192 ...
Page 512: ...506 ...
Page 644: ...638 ...
Page 714: ...708 ...
Page 777: ...771 ...