5-112
L90 Line Current Differential System
GE Multilin
5.4 SYSTEM SETUP
5 SETTINGS
5
(50 Hz), the L90 generates a reporting mismatch message if the selected rate is not set as 10 Hz, 12 Hz, 15 Hz, 20 Hz,
30 Hz, 60 Hz, or 120 Hz (or 10 Hz, 25 Hz, 50 Hz or 100 Hz when the system frequency is 50 Hz) when entered via the
keypad or software; and the L90 stops the transmission of reports. Note that 4 Hz is not allowed for an M-class 50 Hz
system).
•
PMU1 PHS-1
to
PMU1 PHS-14
: These settings specify synchrophasors to be transmitted from the superset of all syn-
chronized measurements. The available synchrophasor values are tabulated below.
These settings allow for optimizing the frame size and maximizing transmission channel usage, depending on a given
application. Select “Off” to suppress transmission of a given value.
•
PMU1 PHS-1 NM
to
PMU1 PHS-14 NM
: These settings allow for custom naming of the synchrophasor channels. Six-
teen-character ASCII strings are allowed as in the CHNAM field of the configuration frame. These names are typically
based on station, bus, or breaker names.
•
PMU1 A-CH-1
to
PMU1 A-CH-16
: These settings specify any analog data measured by the relay to be included as a
user-selectable analog channel of the data frame. Up to 16 analog channels can be configured to send any FlexAnalog
value from the relay. Examples include frequency, rate of frequency change, active and reactive power, per phase or
three-phase power, power factor, temperature via RTD inputs, and THD. The configured analog values are sampled
concurrently with the synchrophasor instant and sent as 32-bit floating-point values scaled to Engineering units.
•
PMU1 A-CH-1 NM
to
PMU1 A-CH-16 NM
: These settings allow for custom naming of the analog channels. Sixteen-
character ASCII strings are allowed as in the CHNAM field of the configuration frame.
•
PMU1 D-CH-1
to
PMU1 D-CH-16
: These settings specify any digital flag measured by the relay to be included as a
user-selectable digital channel of the data frame. Up to sixteen digital channels can be configured to send any Flex-
Logic operand from the relay. The configured digital flags are sampled concurrently with the synchrophasor instant.
These values are mapped into a two-byte integer number, with byte 1 LSB corresponding to the digital channel 1and
byte 2 MSB corresponding to digital channel 16.
•
PMU1 D-CH-1 NM
to
PMU1 D-CH-16 NM
: These settings allow for custom naming of the digital channels. Sixteen-
character ASCII strings are allowed as in the CHNAM field of the configuration frame.
•
PMU1 D-CH-1 NORMAL STATE
to
PMU1 D-CH-16 NORMAL STATE
: These settings allow for specifying a
normal
state
for each digital channel. These states are transmitted in configuration frames to the data concentrator.
SELECTION MEANING
Va
First voltage channel, either Va or Vab
Vb
Second voltage channel, either Vb or Vbc
Vc
Third voltage channel, either Vc or Vca
Vx
Fourth voltage channel
Ia
Phase A current, physical channel or summation as per the source settings
Ib
Phase B current, physical channel or summation as per the source settings
Ic
Phase C current, physical channel or summation as per the source settings
Ig
Fourth current channel, physical or summation as per the source settings
V1
Positive-sequence voltage, referenced to Va
V2
Negative-sequence voltage, referenced to Va
V0
Zero-sequence voltage
I1
Positive-sequence current, referenced to Ia
I2
Negative-sequence current, referenced to Ia
I0
Zero-sequence current
Содержание UR Series L90
Страница 14: ...xiv L90 Line Current Differential System GE Multilin 0 1 BATTERY DISPOSAL 0 BATTERY DISPOSAL 0 ...
Страница 68: ...2 34 L90 Line Current Differential System GE Multilin 2 4 SPECIFICATIONS 2 PRODUCT DESCRIPTION 2 ...
Страница 138: ...4 30 L90 Line Current Differential System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Страница 604: ...9 58 L90 Line Current Differential System GE Multilin 9 6 FAULT LOCATOR 9 THEORY OF OPERATION 9 ...
Страница 652: ...A 16 L90 Line Current Differential System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Страница 772: ...B 120 L90 Line Current Differential System GE Multilin B 4 MEMORY MAPPING APPENDIX B B ...
Страница 802: ...C 30 L90 Line Current Differential System GE Multilin C 7 LOGICAL NODES APPENDIX C C ...
Страница 812: ...D 10 L90 Line Current Differential System GE Multilin D 1 IEC 60870 5 104 APPENDIX D D ...
Страница 824: ...E 12 L90 Line Current Differential System GE Multilin E 2 DNP POINT LISTS APPENDIX E E ...
Страница 834: ...F 10 L90 Line Current Differential System GE Multilin F 3 WARRANTY APPENDIX F F ...
Страница 846: ...xii L90 Line Current Differential System GE Multilin INDEX ...