Mmxu: Analog Measured Values; Protection And Other Logical Nodes - GE M60 Instruction Manual

Motor protection system ur series
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APPENDIX C
A limited number of measured analog values are available through the MMXU logical nodes.
Each MMXU logical node provides data from a M60 current and voltage source. There is one MMXU available for each
configurable source (programmed in the
from M60 source 1, and MMXU2 provides data from M60 source 2.
MMXU data is provided in two forms: instantaneous and deadband. The instantaneous values are updated every time a
read operation is performed by a client. The deadband values are calculated as described in IEC 61850 parts 7-1 and 7-3.
The selection of appropriate deadband settings for the M60 is described in chapter 5 of this manual.
IEC 61850 buffered and unbuffered reporting capability is available in all MMXU logical nodes. MMXUx logical nodes pro-
vide the following data for each source:
MMXU1.MX.TotW: three-phase real power
MMXU1.MX.TotVAr: three-phase reactive power
MMXU1.MX.TotVA: three-phase apparent power
MMXU1.MX.TotPF: three-phase power factor
MMXU1.MX.Hz: frequency
MMXU1.MX.PPV.phsAB: phase AB voltage magnitude and angle
MMXU1.MX.PPV.phsBC: phase BC voltage magnitude and angle
MMXU1.MX.PPV.phsCA: Phase CA voltage magnitude and angle
MMXU1.MX.PhV.phsA: phase AG voltage magnitude and angle
MMXU1.MX.PhV.phsB: phase BG voltage magnitude and angle
MMXU1.MX.PhV.phsC: phase CG voltage magnitude and angle
MMXU1.MX.A.phsA: phase A current magnitude and angle
MMXU1.MX.A.phsB: phase B current magnitude and angle
MMXU1.MX.A.phsC: phase C current magnitude and angle
MMXU1.MX.A.neut: ground current magnitude and angle
MMXU1.MX.W.phsA: phase A real power
MMXU1.MX.W.phsB: phase B real power
MMXU1.MX.W.phsC: phase C real power
MMXU1.MX.VAr.phsA: phase A reactive power
MMXU1.MX.VAr.phsB: phase B reactive power
MMXU1.MX.VAr.phsC: phase C reactive power
MMXU1.MX.VA.phsA: phase A apparent power
MMXU1.MX.VA.phsB: phase B apparent power
MMXU1.MX.VA.phsC: phase C apparent power
MMXU1.MX.PF.phsA: phase A power factor
MMXU1.MX.PF.phsB: phase B power factor
MMXU1.MX.PF.phsC: phase C power factor
The following list describes the protection elements for all UR-series relays. The M60 relay will contain a subset of protec-
tion elements from this list.
PDIF: bus differential, transformer instantaneous differential, transformer percent differential, current differential
GE Multilin

SETTINGS
SYSTEM SETUP
C.2.7 PROTECTION AND OTHER LOGICAL NODES
M60 Motor Protection System
C.2 SERVER DATA ORGANIZATION
C.2.6 MMXU: ANALOG MEASURED VALUES

menu). MMXU1 provides data
SIGNAL SOURCES
C
C-3

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