Data object name

Semantics

HzIntvTms

Frequency adjustment pulse interval

HzRtg

Rated frequency, intrinsic property of the device, which cannot be set/changed from remote

HzSet

Setting of a frequency

HzTgtVal

Since frequency difference Af and phase angle difference a are depending on each other (da/dt ~ Af), the phase angle difference becomes constant in case of Af= 0. Therefore, the target value of the frequency matcher is usually not 0. This data object allows to adjust manually the target value of the frequency matcher.

HzVaMag

Frequency variation magnitude of the last completed event

HzVaTm

Frequency variation duration of the last completed event

lAct

Integral action

ILim

Anti-windup integral limit. This parameter limits the absolute value of the integral term in case the loop is temporarily broken.

ImbA

Deviation from the average phase current.

ImbA.phsX = |/x -/ave| with /ava = (1/3) x(/A + fB + /с)

ImbNgA

Current imbalance negative sequence method. ImbNgA = l2/ /1

ImbNgV

Voltage imbalance negative sequence method. ImbNgV = V2 / V'1

ImbPPV

Deviation from the average phase-to-phase voltage.

ImbPPV.phsXY = I Vxy - PPVave I with PPVave = (1/3) x (Vab + Vbc + Vca)

ImbV

Deviation from the average phase-to-neutral voltage.

ImbV.phsX = I Vx - Vava Г with Vave = (1/3) x (Van + Vbn + Vcn)

ImbZroA

Current imbalance zero sequence method. ImbZroA = lQ/ /1

ImbZroV

Voltage imbalance zero sequence method. ImbZroV = Vo / V^

Imp

Impedance

Ina

Number of associations terminated due to inactivity

IncTrk

Control service tracking for controllable integer

Ind

General indication. It can be multiple in one LN-instance

Incr

Increment of position change for open / close commands

Iner

Synchronous machine moment of inertia J jkgm2]

IntrDetMth

Voltage interruption detection method is the method used to detect the interruption condition based on measured or calculated voltages, currents or the status of the breaker auxiliary contacts.


Voltage interruption detection method

Value


Voltage

1

Voltage and current

2

Voltage and normally open breaker contact

3

Voltage and normally closed breaker contact

4

Voltage and both normally open and normally closed breaker contacts

5

Normally open breaker contact

6

Normally closed breaker contacts

7

Both normally open and normally closed breaker contacts

8




InhTmm

Time setting for restart inhibition (min). Once the Strlnh is activated, the motor should not be allowed to start until this time has elapsed.

In Log

Reference to data object for archiving

InOv

Input communications buffer overflow

InRef

Reference to the data object what is binded to this input

InTrg

Reference to trigger for archiving

InsAlm

TRUE = provides an alarm after a pre-set limit is reached, for example low insulation level. Setting of the limits is a local issue and depends on the supervised media property. An appropriate action may be to refill the insulation medium.



Data object name

Semantics

InsBIk

TRUE = block the operation of the isolated device when the level is reached where operation is not safe anymore. Setting of the limits is a local issue and depends on the supervised media property.

InsLevMax

TRUE = Insulation medium level has reached predetermined maximum level, mainly used for the filling process

InsLevMin

TRUE = Insulation medium level has dropped to a predetermined minimum level, mainly used for the filling process

InsTr

TRUE = The insulation of the device is not guaranteed anymore. The device has to switch off from the power system, i.e. it has to be isolated by tripping the surrounding breakers. Setting of the limits is a local issue and depends on the supervised media property.

InSyn

Object reference to the source of the external synchronization signal for the calculation interval

IntrStrVal

The voltage interruption set point. When the measured voltage goes below this value.

Intln

Integer status input used for generic I/O

ISCSO

Generic integer control output. It can be multiple in one LN-instance

IscTrk

Control service tracking for integer controls step position information

ITmms

Integral time (ms)

KOFact

Ko is zero sequence compensation factor = (Zo - Z1)/3Z1 where Zo is zero sequence impedance, and Z1 is positive sequence impedance

KOFactAng

Residual compensation factor angle for Ko

KckPls

The kicker pulse is a kind of frequency adjusting pulse, that may be issued if frequency difference is very small in order to achieve phase coincidence between the two voltages. With this data object, the kicker pulse function may be switched on or off. TRUE = ON; FALSE = OFF.

KD

Derivative gain

KI

Integral gain

KLd

Filter constant К lead

KLg

Filter constant К lag

KP

Proportional gain

LCol

Lower arc suppression coil position (Petersen coil)

LastStNum

Last state number of received GOOSE telegram

LDC

Line drop compensation. LDC is R&X or Z model TRUE = R&X, FALSE = Z

LDCR

Line drop voltage due to line resistance component (FPF presumed) at rated current

LDCX

Line drop voltage due to line reactance component (FPF presumed) at rated current

LDCZ

Line drop voltage due to line total impedance (FPF presumed) at rated current

LEDRs

Resets all light emitting diodes, true causes reset to occur

Lev

Level of insulating medium or water level [m]

LevPct

Level in the tank (as percentage of full tank level)

LevMod

Internal trigger mode for disturbance recording.



Internal trigger mode

Value


Positive or rising

1

Negative or falling

2

Both

3

Other

4

The disturbance recorder trigger mode is defined by TrgMod.

LevMod exists both for the disturbance recorder as a whole (RDRE) and for each of its individual channels (RADR, RBDR). The interaction of both is determined by the individual disturbance recorder.

LHz

TRUE = lower frequency, FALSE = no action

LimAOv

Current limit for overflow blocking

LimLodA

The data object LodA current (percent) above which automatic commands suspended



Data object name

Semantics

LimVOv

Voltage limit for overflow blocking

LinAng

Line angle is the feeder/line impedance angle

LinCapac

Capacitance of the line

LinLenKm

The length of the line in km

LivBusVai

Live bus value: minimum value at which the bus voltage is still recognised as live

LivBusVal

Voltage setting used to detect live bus, for example for auto reclosing

LivDeaMod

Live dead mode of operation under which switching may be carried out

Live dead mode

Value


Dead line, dead bus

1

Live line, dead bus

2

Dead line, live bus

3

Dead line, dead bus OR Live line, dead bus

4

Dead line, dead bus OR Dead line, live bus

5

Live line, dead bus OR Dead line, live bus

6

Dead line, dead bus OR Live line, dead bus OR Dead line, live bus

7



LivLinVal

Live line value: minimum value at which the line voltage is still recognised as live

LoBatVal

Low battery alarm value

LocKey

This changeover is always done locally with a physical key or toggle switch. The physical key or toggle switch may have a set of contacts from which the position can be read. This data object indicates the switchover between local and remote operation; local = TRUE, remote = FALSE.

Loc

This data object describes the control behaviour of the related LN. (FALSE = not allowed at this level, TRUE = allowed at this level). (See also Annex B).

LocbTrk

Access service tracking for Log control block

LoColPos

Low position of a suppression coil

LoCtIV

Lowest control voltage since last reset

LocSta

Control authority at station level (see Loc). Switch between station and higher level. TRUE = command allowed at station level, but not from remote, FALSE = command is allowed from remote.

LodA

Load side current of transformer

LodFact

Load factor (apparent power / rated power) of a transformer

LodRsvAlm

Load reserve to alarm

LodRsvTr

Load reserve to trip

LogRef

Reference to Log

LogTrg

TriggerLogging by operator

LokRotTms

Locked rotor time (s). This time is the permissible locked rotor time during start-up.

LoLim

Low limit reached (input signal equal to or below limit)

LoLimSpt

Minimum limit setpoint

LoSet

Low operate value, percentage of the nominal current

LosFact

Loss factor (tan delta)

LosOil

TRUE = indicates that a loss of oil has been detected.

LosVac

TRUE = indicates when vacuum drops below a predetermined level

LoTapPos

Lowest tap position since last reset

LoTrgLev

Low (negative) trigger level

LoVRtg

Rated voltage (low voltage level)

LTCBIk

TRUE = block (inhibit) automatic control of LTC blocked (inhibited)



Data object name

Semantics

LTCDragRs

TRUE = reset LTC drag hands (high and low positions to present position)

LV

TRUE = lower voltage, FALSE = no action

MaxAmps

Maximum current in a defined evaluation interval (period)

MaxAPhs

Maximum magnitude of current of the 3 phases. Max(la,lb,lc)

MaxATrs

Maximum current transient value

MaxAVa

Maximum unbalance deviation value

MaxCyc

Maximum number of allowed cycles for any cyclic process, e g. used for the autorecloser

MaxDITmms

Operation instant difference (between intended and performed operation)

MaxEna

Monitoring of current exceeding a set value is enabled (TRUE) in order to detect a fault condition during power swing in the system

MaxFwdAng

Maximum phase angle in forward direction

MaxHzTmms

Maximum frequency adjustment pulse time. The value is used to define a maximum pulse length, limiting the calculated variable pulse time.

MaxImbA

Maximum deviation from the average current. Max(ldev_a,ldev_b,ldev_c)

MaxImbPPV

Maximum deviation from the average phase-to-phase voltage. MaxImbPPV = Max(PPVdev_a,PPVdev_b,PPVdev_c)

MaxImbV

Maximum deviation from the average phase-to-neutral voltage. MaxImbV = Max(Vdev_a,Vdev_b,Vdev_c)

MaxNumRcd

Maximum number of records that can be recorded

MaxNumStr

Setting for the maximum number of starts. This data object is also used for the permissible number of cold starts. For example, the motor manufacturer may state that three starts at the maximum are allowed within 1 h. These parameters are intended for this. So MaxNumStr is set to 3 and MaxStrTmm is set to 60 (min).

MaxOpCap

This data object shall provide the information of the operation capability available when the switch mechanism is fully charged. The maximum operating capability gives the information about the max number of close-open cycles to be performed. For example when one Close-Open-cycle can be performed then MaxOpCap equals 1.

MaxOpTmm

Maximum operation time in minutes

MaxOpTmms

The data object maximum operating time in ms for the LN is used for co-ordinating action of the related function

MaxPFPhs

Maximum magnitude of power factor of the 3 phases. Max(PFa, PFb, PFc)

MaxPhVPhs

Maximum magnitude of phase to reference voltage of the 3 phases. Max(PhVa, PhVb, PhVc)

MaxPPVPhs

Maximum magnitude of phase to phase voltage of the 3 phases. Max(PPVa, PPVb, PPVc)

MaxPwr

Maximum permissible permanent power (overload) [W]

MaxRvAng

Maximum phase angle in reverse direction

MaxStrTmm

The time period in which the maximum number of starts is allowed

MaxTmms

Maximum time after fault detection during which autoreclosing is permitted

MaxVA

Maximum apparent power in a defined evaluation interval (period)

MaxVAPhs

Maximum magnitude of apparent power of the 3 phases. Max(VAa, VAb, VAc)

MaxVAr

Maximum reactive power in a defined evaluation interval (period)

MaxVArPhs

Maximum magnitude of reactive power of the 3 phases. Max(VAra, VArb, VArc)

MaxVolts

Maximum voltage in a defined evaluation interval (period)

MaxVSyn

Maximum voltage for live synchronisation

MaxVTmms

Maximum voltage adjustment pulse time: the value is used to define a maximum pulse length, limiting the calculated variable pulse time