Dynamic simulation initialized out of limit(s)

asked Jun 1 '17

psse_user_88
19 ●7 ●8 ●12

Hello,

I get initial conditions suspect with this error:

initialized out of limit(s) PMECH(I)/CON(J+13)

I am using IEEEG3.

How to solve this??

Thank you in advance

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answered Jun 1 '17

perolofl

3452 ●1 ●9 ●20

The turbine power in pu Mbase divided by a23 (CON(J+13)) is not within the limits specified by Pmax and Pmin (CON(J+4) and CON(J+5) respectively).

Either your dynamic data are wrongly set or the generator is overloaded in load flow!

Please specify all your data for the concerned generator!

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answered Jun 1 '17

psse_user_88
19 ●7 ●8 ●12

updated Jun 1 '17

I have 2 generators. Pgen1=30MW,Qgen=49Mvar, Pmax=125,Pmin=0. MBASE=147 Pgen2 =98MW,Qgen=21Mvar,Pmax=125,Pmin=0. MBASE=147

I am using GENSAL for the generators.

Thank you for the reply.

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Load flow data are ok. The problem lies in the dynamic model IEEEG3. What are the values for a23, PMAX and PMIN in IEEEG3?

perolofl (Jun 2 '17)

Pmax=0.875 Pmin=0.425 a23=1

psse_user_88 (Jun 2 '17)

Pmin in model IEEEG3 is 0.425x147 = 62.475 MW while in load flow Pgen1 is only 30 MW. The dynamic power limits are not matching the load flow limits of Pmin=0 and Pmax=125 MW. Increase Pgen1 or decrease Pmin in IEEEG3!

perolofl (Jun 2 '17)

thank you, it solved the issue.

psse_user_88 (Jun 2 '17)

I face the same problem for IEEEG1, Can you help please

yaya (Jun 5 '17)

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Dynamic simulation initialized out of limit(s)

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