Which of the following components would typically be used in high voltage switchgear?

In high voltage switchgear, specialized circuit breakers are essential components due to their critical role in ensuring safe and effective operation within electrical systems that operate at high voltages. These breakers are designed to interrupt the current in the event of a fault, preventing potential damage to equipment and ensuring the safety of personnel.

Specialized circuit breakers for high voltage applications are engineered to handle the specific challenges associated with high voltage operations, such as longer arcing distances and higher thermal and mechanical stresses. They are equipped with advanced features such as protective relays and control systems, which enhance their ability to detect faults and clear them quickly, thus minimizing disruption and safeguarding the overall electrical infrastructure.

While standard fuses can protect circuits, they are not practical for the high currents and voltages encountered in high voltage applications. Resistors are typically used for different purposes, such as load testing or power dissipation in various electrical applications but do not serve the protective role of a circuit breaker. Low voltage busbars are designed for carrying lower voltages and are not suitable for high voltage environments, where specialized components are necessary to ensure reliable performance and safety.