|
Data object name |
Semantics |
|
CECtl |
Control of complete cooling group (pumps and fans). TRUE = on, FALSE = off |
|
CETmpIn |
Temperature of the behaviour cooling medium in a cooling equipment (input). Typically used for the water temperature for water cooled power transformers (OFWF or ODWF). |
|
CETmpOut |
Temperature of the behaviour cooling medium in a cooling equipment (output). Typically used for the water temperature for water cooled power transformers (OFWF or ODWF). |
|
CEPres |
Pressure of the behaviour cooling medium in a cooling equipment. Typically used for the water pressure for water cooled power transformers (OFWF or ODWF). |
|
CEFIw |
Flow of the behaviour cooling medium in a cooling equipment. Typically used for the water flow for water cooled power transformers (OFWF or ODWF). |
|
CGAIm |
TRUE = core ground alarm indicates that the insulation has broken down |
|
CH4ppm |
Measurement of CH4 (methane) in ppm |
|
ChalntvTms |
Time interval between last two charging operations |
|
ChaMotEna |
This data object is used to enable the charger motor; used to prevent overload of the power supply after a busbar trip. TRUE = enable charger motor, FALSE = disable charger motor |
|
ChLiv |
Physical channel status; true, if channel receives telegrams within a specified time interval |
|
ChLivTms |
Timeout time for channel live supervision; default 5 s |
|
ChNum |
Channel number being monitored (for example for COMTRADE) |
|
ChrAng |
The angle by which the current is displaced from the polarising quantity in order to obtain maximum sensitivity. |
|
ChTrg |
Channel triggered. TRUE = channel started recording, FALSE = behaviour not started recording |
|
CircA |
Measured circulating current, which circulates between transformers operated in parallel (one component of transformer secondary current in a paralleling installation). |
|
CIcExp |
Indicates that the calculation period of a statistical logical node has expired. This DATA OBJECTS shall be mandatory for all logical nodes that are intended to represent statistical data object, indicated by the common data classes, for example, CDC MV, CMV, WYE, etc. |
|
CIcIntvTyp |
Calculation interval type with possible values MS | PER_CYCLE | CYCLE | DAY | WEEK | MONTH I YEAR | EXTERNAL |
|
Data object name |
Semantics |
||||
|
CIcMth |
The calculation method specifies how the data attributes that represent analogue values have been calculated. The calculation method shall be the same for all data objects of a given logical node instance. The possible values shall be: |
||||
|
Value |
Description |
|
|||
|
UNSPECIFIED |
Indicates that the calculation of the analogue values is unspecified (i.e. all common attributes I and f). UNSPECIFIED is the default value. |
||||
|
TRUE_RMS |
Indicates that all analogue values (i.e. all common attributes I and f) are true r.m.s. values. |
||||
|
PEAK_FUNDA MENTAL |
Indicates that all analogue values (i.e. all common attributes I and f) are peak fundamental values. |
||||
|
RMS_FUNDAM ENTAL |
Indicates that all analogue values (i.e. all common attributes I and f) are r.m.s. fundamental values. |
||||
|
MIN |
Indicates that all analogue values (i.e. all common attributes і and f) are minimum values. |
||||
|
MAX |
Indicates that all analogue values (i.e. all common attributes і and f) are maximum values. |
||||
|
AVG |
Indicates that all analogue values (i.e. all common attributes і and f) are average values. |
||||
|
SDV |
Indicates that all analogue values (i.e. all common attributes і and f) are standard deviation values. |
||||
|
PREDICTION |
Indicates that all analogue values (i.e. all common attributes і and f) are long term changes over time. |
||||
|
RATE |
Indicates that all analogue values (i.e. all common attributes і and f) are actual changes over time calculated with the actual value and value before. |
||||
|
This DATA OBJECT shall be mandatory for all logical nodes that are intended to represent statistical data, indicated by the common data classes, for example, CDC MV, CMV, WYE, etc. NOTE 1 If different calculation periods are required for the data objects of a logical node, then different logical nodes could be instantiated - with different calculation periods. NOTE 2 The calculation algorithm and number of samples used for the calculation is an implementation issue. |
|||||
|
CIcMod |
Calculation mode Possible values are: |
|
|||
|
Value |
description |
|
|||
|
TOTAL |
the total time from the first start of the device/application until the current time |
||||
|
PERIOD |
the periodical time cycle |
||||
|
SLIDING |
sliding window from now predefined window backwards |
||||
|
ClcIntvPer |
In case CIcIntvTyp equals to MS, PER-CYCLE, CYCLE, DAY, WEEK, MONTH, YEAR, number of units to consider to calculate the calculation interval duration. |
||||
|
CIcNxTmms |
Remaining time up to the end of the current calculation interval - expressed in milliseconds |
||||
|
CIcRfPer |
In case CIcIntvTyp equals to MS, PER-CYCLE, CYCLE, DAY, WEEK, MONTH, YEAR, number of units to consider to calculate the refreshment interval duration. |
||||
|
CIcRfTyp |
Refreshment interval typ. Allowed values: MS, PER-CYCLE, CYCLE, DAY, WEEK, MONTH, YEAR,EXTERNAL |
||||
|
ClcSeqWrn |
Number of calculation sequence exceeded in automatic/manual mode |
||||
|
ClcSrc |
The reference to the logical node whose analogue data attributes are used to calculate the value contained in this logical node instance. This DATA OBJECT shall be mandatory for all logical nodes that are intended to represent statistical data, indicated by the common data classes, for example, CDC MV, CMV, WYE, etc. |
||||
|
Data object name |
Semantics |
|||
|
ClcStr |
Enables the start calculation of statistical data. Either at once, or if available and set at operTm of the control model. This DATA OBJECT shall be mandatory for all logical nodes that are intended to represent statistical data, indicated by the common data classes, for example, CDC MV, CMV, WYE, etc. |
|||
|
CIcTotVA |
Calculation method used for total apparent power (TotVA) ( Vector | Arithmetic ) |
|||
|
CycTrMod |
This data object represents a type of trip function from RREC; 3phase means only 3phase tripping possible, 1 or 3phase means PTRC with 1 and 3phase tripping possibility and first trip depending on fault type. Specific means for example PTRC with 1 phase and 2phase and 3phase tripping possibility and first trip depending on fault type. |
|||
|
|
Trip mode |
Value |
|
|
|
3 phase tripping |
1 |
|||
|
1 or 3 phase tripping |
2 |
|||
|
specific |
3 |
|||
|
|
|
|
||
|
CIsLim |
Limitation on closing of a device (% of full opening) |
|||
|
CIsPos |
Open end position reached (valve cannot move further) |
|||
|
CloudCvr |
Cloud cover level |
|||
|
Cmd |
Breaker closing command: TRUE issue-а comma-d - FALSE - issue no command |
|||
|
CntRs |
Counter (resettable) |
|||
|
CO2Ems |
CO2 Emissions |
|||
|
CO2ppm |
Measurement of CO2 in ppm |
|||
|
COEms |
CO Emissions |
|||
|
COppm |
Measurement of CO in ppm |
|||
|
ColA |
Current in opening or closing coil during last operation (usually displayed in A) |
|||
|
ColAlm |
TRUE = supervision has detected an abnormal state of the coils |
|||
|
ColChgOp |
Change coil position in operation |
|||
|
ColOpL |
Change Petersen-coil position in direction to lower endswitch |
|||
|
ColOpR |
Change Petersen-coil position in direction to upper endswitch |
|||
|
ColPos |
Represents the continuous adjustment of a suppression coil (plunge core position) such as a Petersen coil |
|||
|
ColPosA |
Measured value of the Petersen-coil position. The value is derived from the length of the air-gap and converted as current in A for the case of a solid earthfault. |
|||
|
ColTapPos |
Represents the discrete adjustment of a suppression coil such as a Petersen coil |
|||
|
ConfRevNum |
Expected configuration revision number of the GOOSE message |
|||
|
Cndct |
Electrical conductivity of water in S/cm2 |
|||
|
Cmd |
Command |
|||
|
CmdBIk |
Blocking of control sequences of controllable data objects |
|||
|
ConsTmsl |
Time constant, for example for a thermal model |
|||
|
Cor |
Magnitude correction of a phasor (used for example for instrument transformers/transducers) |
|||
|
CoreTmp |
Core temperature |
|||
|
CrdTmms |
Delay time in ms to wait on additional input if other actions are called for |
|||
|
Crv |
Curve shape |
|||
|
CtIDITmms |
Control delay time before operating after reaching control point forward power flow presumed |
|||
|
CtIV |
Voltage on secondary of transformer as used for voltage control |
|||
|
CTrd |
Involved in carbon trading |
|||
|
DA ct |
Derivative action |
|||
|
Damp |
Damping of the zero-sequence-system |
|||
|
DctlnSol |
Direct normal insolation [usually in W/m2] |
|||
|
Data object name |
Semantics |
|||
|
DeaBnd |
Deadband |
|||
|
DeaBusVal |
Dead bus value: maximum value at which the bus voltage is still recognised as zero (dead) |
|||
|
DeaLinVal |
Dead line value: maximum value at which the line voltage is still recognised as zero (dead) |
|||
|
Den |
Density of insulating medium |
|||
|
DenAlm |
Density alarm because of an abnormal condition (FALSE = Normal, TRUE = alert) |
|||
|
DetSyn |
Detection of synchronism (Af): maximum value at which the frequency difference is ignored and the two voltages are treated as synchronous sources |
|||
|
DetValA |
Used to detect that the breaker has opened when the current is below that setting |
|||
|
DewPt |
Dew point |
|||
|
DExt |
TRUE = Command to de-excite the machine |
|||
|
DFilTmms |
Derivative time filter (ms) |
|||
|
Dfflnsol |
Diffuse insolation [usually in W/m2] |
|||
|
Diag |
TRUE = diagnostic is running, FALSE = diagnostic is not running |
|||
|
DipStrVal |
When the voltage in at least one phase goes below the voltage dip set point, it will start the voltage variation function and the timer that will measure the duration of the voltage variation power quality event. The event ends when all monitored phase voltages return above the threshold. |
|||
|
DifAClc |
Differential current |
|||
|
DifAng |
Setting for the phase angle difference between two measured values |
|||
|
DifAngClc |
Calculated value for the phase-angle difference between two measured values. The accuracy and calculation method is a local issue. |
|||
|
DifAngNg |
Maximum phase-angle difference negative: absolute value in degrees |
|||
|
DifAngPs |
Maximum phase-angle difference positive: absolute value in degrees; this data object may be used for both, the positive and negative limit in case the synchronizer supports only a common parameter for positive and negative. |
|||
|
DifHz |
Setting for the frequency difference between two measured values |
|||
|
DifHzCIc |
Calculated value for the frequency difference between two measured values. The accuracy and calculation method is a local issue. |
|||
|
DifHzNg |
Difference frequency negative: absolute value |
|||
|
DifHzPs |
Difference frequency positive; absolute value; this data object may be used for both, the positive and negative limit in case the synchronizer supports only a common parameter for positive and negative. |
|||
|
DifPresHi |
Differential pressure high alarm level setting |
|||
|
DifV |
Setting for the voltage difference between two measured values |
|||
|
DifVCIc |
Calculated value for the voltage difference (average value) between two measured values. The accuracy and calculation method is a local issue. |
|||
|
DifVNg |
Maximum voltage difference (average value) negative |
|||
|
DifVPs |
Maximum voltage difference (average value) positive; this data object may be used for both, the positive and negative limit in case the synchronizer supports only a common parameter for positive and negative. |
|||
|
Dir |
The direction of a fault or power flow |
|||
|
DirMod |
This data object is used to enable operation when the following directional conditions are met: |
|||
|
|
Direction mode |
Value |
|
|
|
Non directional |
1 |
|||
|
Forward |
2 |
|||
|
Reverse |
3 |
|||
|
|
|
|
||
|
DIDur |
Daylight duration (time elapsed between sunrise and sunset) |
|||
|
DltRcd |
TRUE = delete the selected record |
|||
|
Data object name |
Semantics |
|
DITmms |
Supervision time for paralleling in ms; in case of synchronous conditions (no phase coincidence), the closing command may be given if all conditions have been fulfilled continuously during the supervision time. |
|
DmdPwr |
Demanded power |
|
DmdVArh |
Reactive energy demand (default demand direction: energy flow from busbar away) |
|
DmdWh |
Real energy demand (default demand direction: energy flow from busbar away) |
|
Dn |
Last count direction downward |
|
DPCSO |
Generic double point control. It can be multiple in one LN-instance. |
|
DpcTrk |
Control service tracking for controllable double point |
|
DQOSeq |
Direct, quadrature, and zero axis quantity |
|
Droop |
Droop controls allow the use of distributed controllers without inter-controller communication. The droop is specified as percent change in effective setpoint at maximum action. |
|
DropoutVal |
Dropout value for blocking closing command |
|
Dsc |
Discrepancy |
|
DschBIk |
TRUE = indicates that switch close action for capacitor bank is blocked due to the discharge state of the bank |
|
DTmms |
Derivative time (ms) |
|
DISynTmms |
Time delay between receiving the start synchronising signal and starting the synchronising process. This time is used to set up the actual values, before any interaction takes place. |
|
DurTmms |
Minimum duration of carrier signal sent by a communication based scheme in ms |
|
Dust |
Dust particles suspended in air |
|
EchoWei |
TxPrm is being sent as echo signal or in case of weak end infeed |
|
EchoWeiOp |
Additional indication that Op is the operate from the weak end infeed or echo function (typically with undervoltage control). |
|
EEHealth |
This information reflects the state of external equipment, for example circuit breaker controlled by the logical node XCBR. The values are the same as for the health. |
|
EEName |
This information reflects the name plate of external equipment, for example the circuit breaker XCBR controlled by the logical node CSWI |
|
En |
Energy available in the drive mechanism expressed in %, where 100 % corresponds to rated value and 0 % to lowest block value |
|
EnAlm |
TRUE = supervision has detected an abnormal condition in the energy storing system, for example loss of N2 or equivalent. |
|
EnaCIs |
The interlocking function itself determines the status of this data object and thus permits the closing of the device when TRUE. The control service checks this value before he controls “Close/On" a switch. |
|
EnaOpn |
The interlocking function itself determines the status of this data object and thus permits the opening of the device when TRUE. The control service checks this value before he controls “Open/Off” a switch. |
|
EnBIk |
TRUE = energy is too low for operation. |
|
EncTrk |
Control service tracking for enumerated controllable. One EncTrk instance is dedicated to track one specific enumerated command. Therefore EncTrk can be multiple instances in one LN instance. |
|
EndPosL |
TRUE = load tap changer is in the maximum lower position |
|
EndPosR |
TRUE = load tap changer is in the maximum raise position |
|
EnvHum |
Humidity of environment (usually in %) |
|
EnvPres |
Barometric pressure of environment |
|
EnvTmp |
Temperature of environment |
|
EqTmm |
Temperature equalisation time (min). For the duration of EqTmm, the thermal memory will be kept, that is the thermal memory is frozen. This time is active after the motor is switched off. |
|
ErrPar |
Error of parallel operation of transformer |
