Substation result terms

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Substation result terms

 

Term long text

Short text

UNIT

Description

Capacitive earth fault current high ohm

Ic hO

A

Capacitive earth fault current at high ohm earth fault

Capacitive earthfault current

Ic

A

Capacitive earth-closing current at rigid earth fault. (AIC)

Neutral point phase voltage high ohm

ZGvolt hO ef

kV

Neutral point voltage at high ohm earth fault

Neutral point phase voltage rigid earthfault

ZGvolt rigid ef

kV

Neutral-point voltage at rigid earth fault

Neutral point reactor current

I0 reactor

A

The calculated neutral point reactor current

Neutral point resistance

Neut Res

ohm

The neutral point resistor resistance value

Neutral point resistor current

I0 resistor

A

The calculated neutral point resistor current

Other capacitive current

Extra cap cur

A

The extra capacitive current that can be added in the neutral point

Phase voltage high ohm earthfault faulty phase

Phvolt hO ef faulty

kV

Phase voltage for faulty phase at high-ohm earth fault

Phase voltage high ohm earthfault healthy phase

Phvolt hO ef healthy

kV

Phase voltage for healthy phase at high ohm earth fault in other phase

Phasevoltage rigid earthfault healthy phase

Phvolt hO mute ef healthy

kV

Phase voltage for healthy phase at rigid earth fault in other phase

Set current reactor

Set curr reac

A

The set neutral point reactor current

Set current resistor

Set curr res

A

The set neutral point resistor current

Single phase shc. current

Ik1

A

Single phase earth fault current at rigid earth fault.

Single phase shc. current high ohm

Ik1 hO

A

Single phase earth fault current at high ohm earth fault

Single phase shortcircuit current local comp

ik1 loc

A

Single phase earth fault current, contribution from underlying local compensators

Single phase shortcitcuit current from local reactors

ik1 fr loc

A

Single phase earth fault current, contribution from local compensators in the substation

Stat active load loss

P loss

kW

Total active load losses for substation

Stat energy losses

W loss

kWh

Total annual energy losses for a substation

Stat reactive load losses

Q loss

kVAr

Total reactive load losses for a substation

Substn active no load losses

P noload loss

kW

Total active no load losses for a substation

Substn no load energy losses

W stat noload loss

kWh

Total annual no load energy losses for a substation