Power resistors are used in power generation and distribution, high-voltage applications, control systems, and other power system applications. They include load banks, grounding resistors, and dynamic braking resistors. Load banks develop an electrical load, apply the dummy load to an electrical power source, and then convert or dissipate the resulting power output. Load banks are used to test generators, uninterruptible power supplies (UPS), and other backup generation systems. Grounding resistors or neutral earthing resistors provide resistance grounding in industrial power systems. They allow fault current to flow to protective relays, but limit the value to prevent damage to power generation or distribution equipment. Dynamic braking resistors are designed for high-heat, high-power applications where space is limited. These power resistors are often used in material handling and fabrication equipment, elevators, escalators, cranes, power inverters, and industrial drives.
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