IEC 60909 short-circuit calculations

Please note, Warning

File menu (1): Open, Save, Clear,

File menu (2): Print, Printer scaling

File menu (3): Export diagram

ATP input file

File menu (4): Save currents, impedances,Exit

Edit menu

View menu

Zoomed diagram

Options, Advanced

Short circuit in all buses and voltmeters

Units of results (V, A ,W (VA)

Toolbar (1): Clear, Open, Save As

Toolbar (2): solve the network

Buses in the Load Flow problem

Toolbar (3): faults

Toolbar (4): show, hide

,Toolbar (5): , cut, copy, paste, undo, redo, frequency, display time

impedance, load

Load scenarios

Isolating impedance, unsymmetrical load

Capacitor

Transmission line

Transmission line impedance sum calculator

Feeder

Generator

Motors

Motor starting curve

Transformers

Entering transformer parameters

Transformer impedances in percent Z(%)

Transformer damage curve

User defined transformer damage curve

Three-winding transformer

Impedances of three-winding transformer in %

Modeling a three-winding transformer

Current transformers, switches (breakers)

Parameters of the current transformers

Use of the parameters fo current transformers

Transformation ratio of the current transformer

Y (wye) connected current transformer

Delta (a-b) connected current transformer

Delta a-b and a-c connected current transformer

Special, summing current transformer

CT parameters and the special current transformer

Lines (wires and buses), Voltmeter, Text

Simple overcurrent protection relays

Relay parameters and the parameters of the current transformers

PGQ-Relay

Parameters of the PGQ-relay

Menu-bar of the PGQ-relay parameter window

Buttons of the PGQ-relay parameter window

Equations for the inverse time module

Electromechanical relay

Recloser relay

User defined relay

User defined relay curves from excel-files

Format of the current-time data in the excel files

Mho distance relay

Polygonal distance relay

Menu bar of the distance relay window

Buttons and boxes in the distance relay window

Load Zones and Out of step zones of distance relays

Parameter groups of relays

Automatic of relay parameter groups

Grounding impedance, Ground, Short circuit, Wye

Open line fault

Entering parameters

Copy parameters

Move items around the screen

Display of the results

Find a component

Pop-up menu of components

Coordination graphics

Time difference between characteristic curves

Menu bar of the coordination graphics

Buttons on the coordination graphics

Floating Labels

Cable damage curve

Per Unit Calculator

Current- and voltage-phasor windows

Report for results

Parameter report

Warning messages

Error messages