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Generator Modulation During Dynamic Simulation

asked 2015-09-28 23:16:32 -0500

Lassettc gravatar image

Is there a way to change a generator's power output during dynamic simulation? I'd like to create a pilot signal, as in a pulse, and embed it in a generator and observe changes in the system during dynamic simulation.

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answered 2016-10-11 15:19:55 -0500

perolofl gravatar image

The easiest way to modulate the power of a fictive generator is to represent it with a negative load and change the load value during the simulation. You will then see how a pure power pulse affects the rest of the system.

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How to modulate (sine function?) the P and Q of the negative load?

jconto gravatar imagejconto ( 2016-10-12 10:52:11 -0500 )edit

A sine function is of course more difficult. For that you need to write a user model that updates the load every time step.

perolofl gravatar imageperolofl ( 2016-10-12 11:09:54 -0500 )edit
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answered 2015-10-02 20:33:15 -0500

Jacde gravatar image

If you don't want to create a user defined model, a python-based hybrid simulation such as a phase shifter in front of an infinite gen could work.

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answered 2015-09-29 17:47:09 -0500

jconto gravatar image

A user-defined exciter model (in fortran) could control the terminal voltage of a classic-model generator in a single-machine infinite-bus setup. This SMIB simulates the network equivalent connected to the device under test. At every time step, this exciter's Voutput will follow the signal generator function in time. Any takers?

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Asked: 2015-09-28 23:16:32 -0500

Seen: 1,102 times

Last updated: Oct 11 '16