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  1. LN: Directional overpower Name: PDOP

For a description of this LN, see IEC 61850-5 (LN PDPR). This LN shall be used for the overpower part of PDPR. Additionally, PDOP is used to model a reverse overpower function (IEEE device function number 32R, from IEEE C37.2:1996) when the DirMod is set to reverse.PDOP class

Data object name

Common data class

Explanation

T

М/О/ C

LNName

The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22.

Data objects

Status information

Str

ACD

Start

M

Op

ACT

Operate

T

M

Controls

OpCntRs

INC

Resettable operation counter

о

Settings

DirMod

ENG

Directional mode

о

StrVal

ASG

Start value

о

OpDITmms

ING

Operate delay time

о

RsDITmms

ING

Reset delay time

о

  1. LN: Directional underpower Name: PDUP

For a description of this LN, see IEC 61850-5 (LN PDPR). This LN shall be used for the underpower part of PDPR.

PDUP class

Data object name

Common data class

Explanation

T

MIDI C

LNName

The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22.

Data objects

Status information

Str

ACD

Start

M

Op

ACT

Operate

T

M

Controls

OpCntRs

INC

Resettable operation counter

0

Settings

StrVal

ASG

Start value

о

OpDITmms

ING

Operate delay time

о

RsDITmms

ING

Reset delay time

о

DirMod

ENG

Directional mode

о

  1. LN: Rate of change of frequency Name: PFRC

For a description of this LN, see IEC 61850-5 (LN PFRQ). This LN shall be used to model the rate of frequency change of PFRQ. One instance shall be used per stage.

PFRC class

Data object name

Common data class

Explanation

T

MIDI C

LNName

The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22.

Data objects

Status information

Str

ACD

Start

M

Op

ACT

Operate

T

M

BlkV

SPS

Blocked because of voltage

о

PFRC class

Data object name

Common data class

Explanation

T

М/О/ c

Controls

OpCntRs

INC

Resettable operation counter

о

Settings

StrVal

ASG

Start value df/dt

о

BlkVal

ASG

Voltage block value

о

OpDITmms

ING

Operate delay time

о

RsDITmms

ING

Reset delay time

о

  1. LN: Harmonic restraint Name: PHAR

This LN shall be used to represent the harmonic restraint data object of the transformer differential protection (see PDIF) in a dedicated node. There may be multiple instantiations of this LN with different settings, especially with different data object HaRst.

PHAR Class

Data object name

Common data class

Explanation

T

MIDI c

LNName

The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22.

Data objects

Status information

Str

ACD

Start (active when restraint is needed)

M

Controls

OpCntRs

INC

Resettable operation counter

0

Settings

HaRst

ING

Number of harmonic restrained

о

PhStr

ASG

Start value

о

PhStop

ASG

Stop value

О

OpDITmms

ING

Operate delay time

О

RsDITmms

ING

Reset delay time

о

  1. LN: Ground detector Name: PHIZ

For a description of this LN, see IEC 61850-5. This LN shall be used for high-impedance isolation faults only.

PHIZ class

Data object name

Common data class

Explanation

T

MIDI C

LNName

The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22.

Data objects

Status information

Str

ACD

Start

M

Op

ACT

Operate

T

M

Controls

OpCntRs

INC

Resettable operation counter

о

Settings

AStr

ASG

Current start value

0

VStr

ASG

Voltage start value

о

HVStr

ASG

Third harmonic voltage start value

о

PHIZ class

Data object name

Common data class

Explanation

T

N1/0/ C

OpDITmms

ING

Operate delay time

О

RsDITmms

ING

Reset delay time

о

  1. LN: Instantaneous overcurrent Name: PIOC

For a description of this LN, see IEC 61850-5. This LN shall be used for instantaneous overcurrent protection only.

PIOC class

Data object name

Common data class

Explanation

T

М/О/ c

LNName

The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22.

Data objects

Status Information

Str

ACD

Start

о

Op

ACT

Operate

T

N1

Controls

OpCntRs

INC

Resettable operation counter

О

Settings

StrVal

ASG

Start value

О

  1. LN: Motor restart inhibition Name: PMRI

For a description of this LN, see IEC 61850-5 (LN PMSU). This LN shall be used to model in a dedicated LN the part from LN PMSU which protects a motor against thermal overload during start-up.

PMRI class

Data object name

Common data class

Explanation

T

М/О/ c

LNName

The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22.

Data objects

Status information

Op

ACT

Operate

T

о

Strlnh

SPS

Restart inhibited

о

StrlnhTmm

INS

Restart inhibition time

о

Controls

OpCntRs

INC

Resettable operation counter

о

Settings

SetA

ASG

Current setting for motor start-up

о

SetTms

ING

Time setting for motor start-up

о

MaxNumStr

ING

Maximum number of starts (also for cold starts)

О

MaxWrmStr

ING

Maximum warm starts, permissible number of warm starts

О

MaxStrTmm

ING

Time period for the maximum number of starts

о

EqTmm

ING

Temperature equalisation time

О

InhTmm

ING

Restart inhibit time

о

  1. LN: Motor starting time supervision Name: PMSS

For a description of this LN, see IEC 61850-5 (LN PMSU). This LN shall be used to model from LN PMSU the part which protects a motor against excessive starting time/locked rotor during start-up in a dedicated LN.

PMSS class

Data object name

Common data class

Explanation

T

М/О/ c

LNName

The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22.

Data objects

Status information

Str

ACD

Start

0

Op

ACT

Operate

T

о

Controls

OpCntRs

INC

Resettable operation counter

0

Settings

SetA

ASG

Current setting for motor start-up

о

SetTms

ING

Time setting for motor start-up

о

MotStr

ASG

Motor startup (current pickup value of motor starting)

о

LokRotTms

ING

Lock rotor time, permissible locked rotor time

о

  1. LN: Over power factor Name: POPF

For a description of this LN, see IEC 61850-5 (LN PPFR). This LN shall be used for the over power factor part of PPFR.

POPF class

Data object name

Common data class

Explanation

T

М/О/ c

LNName

The name shall be composed of the class name, the LN-Prefix and LN- Instance-ID according to IEC 61850-7-2, Clause 22.

Data objects

Status information

Str

ACD

Start

M

Op

ACT

Operate

T

M

BlkA

SPS

Blocked below minimum operating current

О

BlkV

SPS

Blocked below minimum operating voltage

О

Controls

OpCntRs

INC

Resettable operation counter

О

Settings

StrVal

ASG

Start value

О

OpDITmms

ING

Operate delay time

О

RsDITmms

ING

Reset delay time

О

BlkValA

ASG

Block value (minimum operating current)

О

BlkVaIV

ASG

Block value (minimum operating voltage)

О

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