5-172
N60 NETWORK STABILITY AND SYNCHROPHASOR MEASUREMENT SYSTEM – INSTRUCTION MANUAL
SYSTEM SETUP
CHAPTER 5: SETTINGS
5
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.
PMU 1 PHS-1 NM
to
PMU 1 PHS-14 NM
— These settings allow for custom naming of the synchrophasor channels. Sixteen-
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.
PMU 1 A-CH-1
to
PMU 1 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.
PMU 1 A-CH-1 NM
to
PMU 1 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.
PMU 1 D-CH-1
to
PMU 1 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 16 digital channels can be configured to send any FlexLogic 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 1 and byte 2 MSB
corresponding to digital channel 16.
PMU 1 D-CH-1 NM
to
PMU 1 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.
PMU 1 D-CH-1 NORMAL STATE
to
PMU 1 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.
C37.118 PMU 1 configuration
SETTINGS
SYSTEM SETUP
PHASOR MEASUREMENT UNIT
BASIC CONFIGURATION
PMU 1
PMU 1 BASIC
CONFIGURATION
C37.118 PMU 1 CONFIGURATION
PMU 1 FORMAT
— This setting selects whether synchrophasors are reported as 16-bit integers or 32-bit IEEE floating point
numbers. This setting complies with bit-1 of the FORMAT field of the IEEE C37.118 configuration frame. This setting applies
to synchrophasors only; user-selectable FlexAnalog channels are always transmitted as 16-bit integer values.
PMU 1 STYLE
— This setting selects whether synchrophasors are reported in rectangular (real and imaginary) coordinates or
in polar (magnitude and angle) coordinates. This setting complies with bit-0 of the FORMAT field of the IEEE C37.118
configuration frame.
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
C37.118 PMU 1
CONFIGURATION
PMU 1 FORMAT:
Integer
Range: Integer, Floating-point
PMU 1 STYLE:
Polar
Range: Polar, Rectangular
With 90-5 PMU, the FORMAT and STYLE are Floating-point and Polar respectively, as specified in the IEC 61850-90-5
technical report.
Selection
Meaning
