When dc generators are not synchronized properly, what component helps balance the output?

In the context of DC generators, when synchronization issues arise, the equalizer circuit plays a crucial role in balancing the output between parallel-operated generators. This component is specifically designed to ensure that the load is shared evenly among generators that are connected in parallel.

When generators are started and brought online, there can be discrepancies in voltage or phase angle, leading to unequal load sharing. The equalizer circuit provides a path for current to flow between the generators, allowing for adjustments in output to help maintain uniformity in voltage levels.

This balancing is important not only for the efficiency of the systems but also for preventing overloads and potential damage to the generators or connected equipment. By ensuring that each generator works effectively and harmoniously with the others, the equalizer circuit contributes to the stable operation of the entire electrical system.

The other components mentioned—such as the main circuit breaker, voltage regulator, and shunt resistor—serve different functions in the electrical system, such as protecting the circuit, maintaining voltage levels, or providing current diversion, respectively. However, none of these directly address the issue of equalizing output among parallel generators as effectively as the equalizer circuit does.