Multiple choice technology

WHICH OF THE FOLLOWING QUATITIES ARE FIXED IN SLACK BUS ???

  1. VOLTAGE , REACTIVE POWER

  2. REACTIVE POWER, ACTIVE POWER

  3. VOLTAGE, LOAD ANGLE

  4. ONLY VOLTAGE

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In power flow analysis, the slack bus is the reference bus with specified voltage magnitude and voltage angle (load angle). The slack bus supplies or absorbs the real and reactive power difference to balance the system. Active and reactive power are calculated, not specified.