en 06000376_ansi. vsd
Direction
Element
4 step over current
element
One element for each
step
Harmonic
Restraint
Mode
Selection
ground FaultDirection
harmRestrBlock
enableDir
enableStep1-4
DirectionalMode1-4
TRIP
Element
enableDir
angleValid
Directional Check
operatingCurrent
SwitchOnToFault
pickup step 2 , 3 and 4
signal to
communication
scheme
TRIP
3V0
3I0
Blocking at parallel
transformers
or
CB
pos
or cmd
Element
3I0
DirModeSel
DirModeSel
INPol
ANSI06000376 V1 EN-US
Figure 64:
Functional overview of EF4PTOC (51N/67N)
8.2.8
Technical data
IP11455-1 v1
M15223-1 v17
Table 105:
EF4PTOC (51N/67N) technical data
Function
Range or value
Accuracy
Trip current, step 1-4
(1-2500)% of IBase
±1.0% of I
n
at I ≤ I
n
±1.0% of I at I > I
n
Reset ratio
> 95% at (10-2500)% of IBase
-
Relay characteristic angle
(RCA)
(-180 to 180) degrees
±2.0 degrees
Trip current for directional release
(1–100)% of IBase
For RCA ±60 degrees:
±2.5% of I
n
at I ≤ I
n
±2.5% of I at I > I
n
Independent time delay at 0 to 2 x I
set
, step
1-4
(0.000-60.000) s
±0.2% or ±35 ms
whichever is greater
Minimum operate time for inverse curves,
step 1-4
(0.000 - 60.000) s
±0.2% or ±35 ms
whichever is greater
Table continues on next page
Section 8
1MRK 511 408-UUS A
Current protection
212
Phasor measurement unit RES670 2.2 ANSI
Technical manual
Содержание Relion RES670
Страница 1: ...RELION 670 SERIES Phasor measurement unit RES670 Version 2 2 ANSI Technical manual ...
Страница 2: ......
Страница 276: ...270 ...
Страница 306: ...300 ...
Страница 360: ...354 ...
Страница 406: ...400 ...
Страница 614: ...608 ...
Страница 732: ...726 ...
Страница 748: ...742 ...
Страница 884: ...878 ...
Страница 932: ...926 ...
Страница 933: ...927 ...