Glossary

This is a glossary of all possible values contained in data and result dictionaries as well as other general information.

Loadflow Data & Results

Find out the data and results for each Loadflow record at LoadflowRecords Module

Fault Data

Find out the data for each Fault data record at FaultRecords Module

Fault Results

Summary Results

Key

Description

“f1”

Positive Sequence Fault Current (kA)

“f2”

Positive Sequence Fault Current Angle (degrees)

“f3”

Negative Sequence Fault Current (kA)

“f4”

Negative Sequence Fault Current Angle (degrees)

“f5”

Zero Sequence Fault Current (kA)

“f6”

Zero Sequence Fault Current Angle (degrees)

“f7”

Phase L1 Fault Current (kA)

“f8”

Phase L1 Fault Current Angle (degrees)

“f9”

Phase L2 Fault Current (kA)

“f10”

Phase L2 Fault Current Angle (degrees)

“f11”

Phase L3 Fault Current (kA)

“f12”

Phase L3 Fault Current Angle (degrees)

“f13”

Residual Fault Current (kA)

“f14”

Residual Fault Current Angle (degrees)

“f15”

Fault MVA

“f16”

X/R Ratio

Busbar Results

Key

Description

“SeqNum”

Sequence number of the element

“Vip”

Positive Sequence Voltage (kV)

“ThetaVip”

Positive Sequence Voltage Angle (degrees)

“Vin”

Negative Sequence Voltage (kV)

“ThetaVin”

Negative Sequence Voltage Angle (degrees)

“Viz”

Zero Sequence Voltage (kV)

“ThetaViz”

Zero Sequence Voltage Angle (degrees)

“Vi1”

Phase L1 Voltage (kV)

“ThetaVi1”

Phase L1 Voltage Angle (degrees)

“Vi2”

Phase L2 Voltage (kV)

“Vi2Theta”

Phase L2 Voltage Angle (degrees)

“Vi3”

Phase L3 Voltage (kV)

“ThetaVi3”

Phase L3 Voltage Angle (degrees)

“Vires”

Residual Voltage (kV)

“ThetaVires”

Residual Voltage Angle (degrees)

“FaultMVA”

Fault MVA

Line/Cable/Series/Bus Section Results

The same values exist for “End2.”

Key

Description

“SeqNum”

Sequence number of the element

“End1.Ip”

Positive Sequence Fault Current (kA)

“End1.ThetaIp”

Positive Sequence Fault Current Angle (degrees)

“End1.In”

Negative Sequence Fault Current (kA)

“End1.ThetaIn”

Negative Sequence Fault Current Angle (degrees)

“End1.Iz”

Zero Sequence Fault Current (kA)

“End1.ThetaIz”

Zero Sequence Fault Current Angle (degrees)

“End1.Il1”

Phase L1 Fault Current (kA)

“End1.ThetaIl1”

Phase L1 Fault Current Angle (degrees)

“End1.I12”

Phase L2 Fault Current (kA)

“End1.ThetaIl2”

Phase L2 Fault Current Angle (degrees)

“End1.Il3”

Phase L3 Fault Current (kA)

“End1.ThetaIl3”

Phase L3 Fault Current Angle (degrees)

“End1.Ires”

Residual Fault Current (kA)

“End1.ThetaIres”

Residual Fault Current Angle (degrees)

“End1.PowerDir”

Direction of positive sequence power flow [-1 = Out of device, 0 = No Flow, 1 = Into device]

“End1.ConInd”

Connection Indicator [-1 = Element disconnected by calculation, 0 = Element disconnected, 1 = Element connected]

Transformer Results

The same values exist for “Winding2.”, “Winding3.”, and “Winding4.”

Key

Description

“SeqNum”

Sequence number of the element

“Winding1.Ip”

Positive Sequence Fault Current (kA)

“Winding1.ThetaIp”

Positive Sequence Fault Current Angle (degrees)

“Winding1.In”

Negative Sequence Fault Current (kA)

“Winding1.ThetaIn”

Negative Sequence Fault Current Angle (degrees)

“Winding1.Iz”

Zero Sequence Fault Current (kA)

“Winding1.ThetaIz”

Zero Sequence Fault Current Angle (degrees)

“Winding1.Il1”

Phase L1 Fault Current (kA)

“Winding1.ThetaIl1”

Phase L1 Fault Current Angle (degrees)

“Winding1.I12”

Phase L2 Fault Current (kA)

“Winding1.ThetaIl2”

Phase L2 Fault Current Angle (degrees)

“Winding1.Il3”

Phase L3 Fault Current (kA)

“Winding1.ThetaIl3”

Phase L3 Fault Current Angle (degrees)

“Winding1.Ires”

Residual Fault Current (kA)

“Winding1.ThetaIres”

Residual Fault Current Angle (degrees)

“Winding1.PowerDir”

Direction of positive sequence power flow [-1 = Out of device, 0 = No Flow, 1 = Into device]

“Winding1.ConInd”

Connection Indicator [-1 = Element disconnected by calculation, 0 = Element disconnected, 1 = Element connected]

“IntFaultContrib”

If fault applied to Transformer, it’ll be pointer to similar results to Winding Results

Neutral Earth Results

Key

Description

“SeqNum”

Sequence number of the element

“Vne”

Neutral Voltage (kV)

“ThetaVne”

Neutral Voltage Angle (degrees)

“Ine”

Neutral Current (kA)

“ThetaIne”

Neutral Current Angle (degrees)

Synchronous/Induction/Shunt/Wind Turbine Generator Results

Key

Description

“SeqNum”

Sequence number of the element

“Ip”

Positive Sequence Fault Current (kA)

“ThetaIp”

Positive Sequence Fault Current Angle (degrees)

“In”

Negative Sequence Fault Current (kA)

“ThetaIn”

Negative Sequence Fault Current Angle (degrees)

“Iz”

Zero Sequence Fault Current (kA)

“ThetaIz”

Zero Sequence Fault Current Angle (degrees)

“Il1”

Phase L1 Fault Current (kA)

“ThetaIl1”

Phase L1 Fault Current Angle (degrees)

“Il2”

Phase L2 Fault Current (kA)

“ThetaIl2”

Phase L2 Fault Current Angle (degrees)

“Il3”

Phase L3 Fault Current (kA)

“ThetaIl3”

Phase L3 Fault Current Angle (degrees)

“Ires”

Residual Fault Current (kA)

“ThetaIres”

Residual Fault Current Angle (degrees)

“PowerDir”

Direction of positive sequence power flow [-1 = Out of device, 0 = No Flow, 1 = Into device]

“ConInd”

Connection Indicator [-1 = Element disconnected by calculation, 0 = Element disconnected, 1 = Element connected]

Study Parameters Element Type (Loadflow)

Key

Description

“LoadflowParam”

Loadflow Parameters

“BusSection”

Bus Section

“Switch”

Switch element

“Grid”

Grid Infeed

“Winding1”

Winding 1 of a Transformer

“Winding2”

Winding 2 of a Transformer

“Winding3”

Winding 3 of a Transformer

“Winding4”

Winding 4 of a Transformer

“SyncMachine”

Synchronous Machine

“IndMachine”

Induction Machine

“Shunt”

Shunt

Study Parameters Element ID (For LoadflowParam)

Key

Description

“PMult”

Shunt Real Power Multiplier

“QMult”

Shunt Reactive Power Multiplier

“Tapsel”

Tap Changer Selector

Study Parameters (Fault)

order is important

Key

Description

“Typecode”

Typecode of the element to use.

“Seqnum”

Sequence number of the element. Load the data into an TEracsData object to find out.

“ReactOption”

Reactance Option [1 = Positive Sequence, 2 = Transient, 3 = Sub-Transient]

“FaultType”

Fault Type [1 = Phase to Earth, 2 = Phase to Phase, 3 = Two Phase to Earth, 4 = Three Phase, 5 = Single Phase Open Circuit, 6 = Two Phase Open Circuit]

“FaultPos”

Fault Position along a cable or line [0-100]

“Rph”

Fault’s Phase Resistance

“Xph”

Fault’s Phase Reactance

“Rgrnd”

Fault’s Ground Resistance

“Xgrnd”

Fault’s Ground Reactance

“IncMotor”

Include Motor Contribution [0 = No, 1 = Yes]

Result Selection Element Type (Loadflow & Fault)

Key

Description

“SummaryRes”

Summary Results

“Busbar”

Busbar Results

“Line”

Transmission Line Results

“Cable”

Cable Results

“Series”

Series Element Results

“BusSection”

Bus Section Results

“Grid”

Grid Infeed Results

“SyncMachine”

Synchronous Machine Results

“IndMachine”

Induction Machine Results

“Shunt”

Shunt Results

“Transformer”

Transformer Results

“Neutral”

Neutral Earth Results

Typecodes

Number

Element

1

Busbar

2

Line

3

Cable

4

Transformer

5

Tap Changer

6

Switch

7

Induction Machine

8

Synchronous Machine

9

Shunt

10

Bus Section

11

Protection Device

12

AVR

13

Governor

14

Series Element

15

Wind Turbine Generator

16

Auto Transformer

17

Neutral Earth

18

Mechanical Load

19

Time Variant Function

20

Controller

22

Grid Infeed

Dialog Prompts

Reasons

Integer Value

Description

0

No particular reason

1

General warning

2

Voltage convergence

>2

An error of some sort

Buttons

The integer value represents a bitflag. So for example, the integer value could be 3, meaning there’s ‘Yes’ and ‘No’ buttons (because 1[Yes] + 2[No] = 3[Yes/No]) read up about bitflags for more information.

Integer Value

Description

0

No buttons

1

‘Yes’ button

2

‘No’ button

4

‘OK’ button

8

‘Cancel’ button

16

‘Help’ button

32

‘Abort’ button

64

‘Retry’ button

128

‘Ignore’ button

256

‘All’ button