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IEC10000116-2-en.vsd
GENMODE
Calculation of
R and X parts
of the complex
positive -
sequence
impedance
Z(R, X)
UPSRE
UPSIM
UPSMAG
R
IPSRE
IPSIM
Z(R,X)
Z(R,X)
within limit of
reach?
X
NO
Return
YES
Z(R,X)
within lens
characteristic?
NO
YES
Z(R,X)
entered lens
from?
Function alert
RIGHT
LEFT
Z(R,X)
exited lens
on the left-hand
side?
NO
YES
YES (pole-slip!)
Was
traverse time
more than
50 ms?
Motor losing
step ?
Generator losing
step ?
NO
X
R
Calculation of
positive -sequence
active power P,
reactive power Q,
rotor angle
ROTORANG
and
UCOSPHI
P
Q
ROTORANG
>= 1
Number
of pole-slips
exceeded in
a zone?
ZONE 1
ZONE 2
Open
circuit
breaker
safely
TRIP
TRIPZ1
TRIPZ2
UCOSPHI
P
Q
UCOSPHI
ROTORANG
SLIPFREQ
GENMODE
MOTMODE
NO
Calculation of
R and X parts
of the complex
positive -
sequence
impedance
Z(R, X)
UPSRE
UPSIM
UPSMAG
R
IPSRE
IPSIM
Z(R,X)
Z(R,X)
within limit of
reach?
X
NO
Return
YES
Z(R,X)
within lens
characteristic?
NO
YES
Z(R,X)
entered lens
from?
Function alert
RIGHT
LEFT
Z(R,X)
exited lens
on the left-hand
side?
NO
YES
YES (pole-slip!)
Was
traverse time
more than
50 ms?
Motor losing
step ?
Generator losing
step ?
NO
X
R
Calculation of
positive -sequence
active power P,
reactive power Q,
rotor angle
ROTORANG
and
UCOSPHI
P
Q
ROTORANG
>= 1
Number
of pole-slips
exceeded in
a zone?
ZONE 1
ZONE 2
Open
circuit
breaker
safely
TRIP
TRIPZ1
TRIPZ2
UCOSPHI
P
Q
UCOSPHI
ROTORANG
SLIPFREQ
MOTMODE
NO
IEC10000116 V2 EN
Figure 83:
OOSPPAM (78) Simplified function block
7.4.8
Technical data
Table 77:
OOSPPAM (78) technical data
Function
Range or value
Accuracy
Impedance reach
(0.00–1000.00)% of Zbase
± 2.0% of Vn/In
Characteristic angle
(72.00–90.00) degrees
± 5.0 degrees
Start and trip angles
(0.0–180.0) degrees
± 5.0 degrees
Zone 1 and Zone 2 trip counters
(1-20)
-
7.5
Load encroachment LEPDIS
7.5.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Load encroachment
LEPDIS
-
-
1MRK 502 048-UUS A
Section 7
Impedance protection
187
Technical manual
Summary of Contents for 650 series
Page 1: ...Relion 650 series Generator protection REG650 ANSI Technical manual ...
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