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The location of series capacitor depends on _____________________ factors.
The degree of compensation and the characteristic of the line
Only the degree of compensation
Only the characteristic of the line
None of these
The degree of compensation and the characteristic of the line
Quick Trick: In power system compensation questions, look for 'comprehensive' answers; if a parameter is affected by multiple physical variables, choose the option that includes both line parameters and system operating requirements.
In power system compensation questions, look for 'comprehensive' answers; if a parameter is affected by multiple physical variables, choose the option that includes both line parameters and system operating requirements.
Analyze the function of series capacitors
Series capacitors are used to modify the inductive reactance of a transmission line to improve power transfer capability and stability.
Evaluate dependency parameters
The placement depends on the 'Degree of Compensation' (how much reactance is neutralized) and the 'Characteristic of the line' (impedance, length, and distributed parameters which dictate voltage profile).
B: Incorrect because line properties are vital for voltage regulation studies. C: Incorrect because the level of compensation determines the target stability margin. D: Incorrect because the factors in option A are physically necessary for calculation.
A is correct because the optimal placement of a series capacitor must account for both the target power transfer (degree of compensation) and the specific physical properties of the transmission line (characteristics).
In Power System MCQs involving FACTS devices, always prioritize answers that bridge both physical hardware limits (Line Characteristics) and control objectives (Degree of Compensation/Stability).