How to ramp the value of exciter output voltage in dynamic simulation?

asked 2018-10-20 17:47:47 -0500

Jota_1892
11 ●2 ●3 ●4

Hi, I'm new with PSSE. I am simulating the dynamic response of a synchronous machine (SMIB system) in PSSE.

I would like to know if it is possible to change the value of the exciter output voltage (Efd) according to a ramp with a defined slope (or alternatively with a defined duration) in a dynamic simulation? Sort of a "manual control" of the value of Efd.

Also, could you recommend a web page to start to learn to work with Python in PSSE. I am using the GUI to run the simulation.

edit retag flag offensive close merge delete

add a comment

0

answered 2018-10-21 15:34:21 -0500

perolofl

3262 ●1 ●8 ●18

PSSE does not have any facility to ramp EFD. However it can be done with some code in the CONEC file or with a user-written model.

edit flag offensive delete link

Comments

thanks for the answer. How can I defined a user-written model for the exciter?

Jota_1892 ( 2018-10-21 19:08:06 -0500 )edit

Read Chapter Model Writing in Program Operation Manual!

perolofl ( 2018-10-21 23:49:44 -0500 )edit

User exciter models are pretty straightforward to write, in this case will just have to manipulate your efd in mode 3 as per your needs

txc ( 2019-03-05 21:41:50 -0500 )edit

add a comment

0

answered 2019-03-05 04:12:25 -0500

jfconroy
176 ●11 ●14 ●18

You can also implement the ramp in Python code, running one simulation step at a time in a while loop, changing the value of the ramp signal as you iterate. Not the most elegant solution, but effective nonetheless.

edit flag offensive delete link

Comments

How can we change the EFD in Python?

perolofl ( 2019-03-05 04:55:09 -0500 )edit

I was thinking about a ramp to the voltage setpoint. A ramp to the EFD would require a user model (either CONEC, CCT (v33+) or Exciter model).

jfconroy ( 2019-03-05 05:46:01 -0500 )edit

add a comment

How to ramp the value of exciter output voltage in dynamic simulation?

2 answers

Comments

Comments

Your Answer

Question Tools

Stats

Related questions