In a multi-source DC electrical system, what is the function of the DC bus tie switch?

In a multi-source DC electrical system, what is the function of the DC bus tie switch?

• A. It isolates one bus during normal operation to conserve energy.
• B. It links two DC buses to allow load sharing or transfer during source changes, increasing redundancy and continuity of power.
• C. It converts AC to DC.
• D. It stores energy for peak loads.

Answer: (B)