ABB Relion 670 Series RES670, Technical Manual

Page: 174 / 888

IEC10000116-3-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
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
UCOSPHI
ROTORANG
SLIPFREQ
MOTMODE
NO
IEC10000116 V3 EN
Figure 48: OOSPPAM (78) Simplified function block
7.2.8 Technical data
Table 90: OOSPPAM (78) technical data
Function Range or value Accuracy
Impedance reach (0.00 - 1000.00)% of Zbase ±2.0% of V
n
/(√3 ⋅ I
n
)
Rotor pickup angle (90.0 - 130.0) degrees ±5.0 degrees
Rotor trip angle (15.0 - 90.0) degrees ±5.0 degrees
Zone 1 and Zone 2 trip counters (1 - 20) -
Section 7
1MRK 511 365-UUS A
Impedance protection
168 Phasor measurement unit RES670 2.1 ANSI
Technical manual