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How can I find all 500kV buses in an area?

asked 2012-01-10 01:36:07 -0500

JervisW gravatar image

My saved case has over 100 buses that are 500kV in a PSSE area (area 3). Finding all of the 500kV area 3 buses is easy using the filters on the PSSE user interface. But my question is how to find those bus numbers in Python?

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answered 2012-01-13 02:47:13 -0500

jtrain gravatar image

I'd use the Subsystem Data Retrieval and Subsystem Definition APIs. Use these to create a subsystem of buses based on a filter, and then retrieve attributes like Voltage and Angle.

# filter all area 3, 500kV buses and put into subsystem 1.
psspy.bsys(
  sid=1,
  usekv=1,             # filter based on Base kV
  basekv=[500,500],    # select buses with base voltage 500kV
  numarea=1,
  areas=[3],           # only buses in area 3
)

# now get the bus numbers for buses in subsystem 1.
ierr, target_buses = psspy.abusint(
  sid=1,
  flag=1,              # only in service buses.
  string=["NUMBER", "TYPE"]    # request bus numbers and types.
)

There is a lot more you can do with subsystem data retrieval functions (like abusint). Look at Chapter 8 of the PSSE Application Program Interface (API) manual.

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Asked: 2012-01-10 01:36:07 -0500

Seen: 2,471 times

Last updated: Jan 13 '12