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For load -flow analysis enter the synchronous machine as a voltage source, using the steady-state impedances (Xd) and the magnitude of the no-load voltage. This represents the behaviour of the…
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The unit is machine p.u. (rated power and rated voltage of the corresponding machine). This parameter is only used in IEC short circuit calculations.…
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This value is an alternative input for the synchronous reactance. It is the permanent short circuit current in case of rated IEC conditions (1.1*Un subtransient voltage) and a direct short circuit at…
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With these parameters you can specify a frequency characteristic for r and l” (subtransient inductance) for consideringskin effect and the variation of the internal inductance. Relevant for harmonics…
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This flag indicates if the machine reactance should be calculated using all transient parameters (xdss, xds, xd, Tdss, Tds), or if just the subtransient reactance should be used for harmonics. There…
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In the attached example a ramp modeled in DSL is used to reduce the turbine power pt from its initial value to zero. You also may use a similar block structure to impose a ramp on any other machine…
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In the attached example project the battery is connected to the grid using a PWM converter. The grid contains a synchronous machine which supplies a load. After the initialization the synchronous…
Refer to the attached project. An example of a photovoltaic (PV) system running in parallel with a synchronous generator is provided. The PV generator (Static Generator) is feeding the load. The grid…
Refer to the attached example. It describes an synchronous generator with wind turbine model and the necessary controllers. The PWM converter models with DC voltage circuits are modeled in detail…
The attached script should be copied to the Scripts library of your project. Usage: - Select one or more lines in a diagram or in the Network Model Manager. - Right click, select "Execute Script" and…