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17.20.921    ELECTRIC TRANSMISSION LINES, TRANSIENT STABILITY CONSIDERATIONS

(1) For electric transmission lines where transient stability considerations are a basis of need, an application must contain the following information:

(a) an explanation of the normal or contingent operating conditions, under which a transient stability problem exists, identification of the criteria used to determine these conditions, and an explanation of the rationale for their use; and

(b) at least two stability studies, one to demonstrate the problem situation and one to demonstrate the solution.

History: 75-20-105, MCA; IMP, 75-20-211, MCA; NEW, 1984 MAR p. 1844, Eff. 12/28/84; TRANS, from DNRC, 1996 MAR p. 2863; AMD, 2005 MAR p. 252, Eff. 2/11/05.

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