FMP TECHNOLOGY
FMP Technology Overview
Fault Managed Power (FMP) systems are end-to-end power delivery systems that transmit power from a power transmitter over cables to a receiver. When a fault in the system is detected, power is shut off almost immediately (within a few milliseconds) to prevent electrical shock, fire, or damage to people or equipment.
According to the recently ratified National Electric Code (NEC) and Underwriters Laboratory (UL) (this is intended to be a hyperlink to the “Standards” page under development) standards, a FMP system must monitor and stop power if any of the following faults occur:
- Line-to-Line Resistance Fault
- Line-to-Line Arc Fault
- Line-to-Ground Fault
- Series Arc
- Short Circuit
- Line Pair to Line Pair Fault
- A malfunctioning of the monitoring or control system
Also, based upon the enhanced safety FMP systems afford, higher voltages and therefore higher powers are supported over longer cable reaches. With a voltage limit of 450 volts and no power limit, FMP systems can deliver hundreds and even thousands of watts over significantly long distances safely and efficiently.
FMP Components
The diagram above shows the components that make up a FMP system. A FMP transmitter takes power from the mains power supply, or optional battery backup, and converts it to a FMP circuit. The FMP cable carries the power from the transmitter to the FMP receiver which converts the power to the type of power required by the final load (powered device).