Power blackouts are a frequent occurrence in industrial facilities. The reason could be a fault in the utility side or a fault on the load ends of the feeders. How will we get to know whether a circuit breaker is capable of interrupting these electrical faults in the system? If these high fault currents exceed the interrupting capability of the protective device, it results in an increase in the likelihood of an explosion which could potentially damage the device itself. The answer lies with a coordination study, which could help in preventing a certain equipment failure from taking down the entire facility resulting in a blackout.

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Overcurrent Protection Devices:

OCP devices are used in main service disconnects or in the feeders for residential, industrial or commercial use. Due to improper overload or short circuit protection, that can result in burning of the materials, Allumiax offer a proper setting of a device's voltage rating, current rating, or interrupting rating to vanish the reasons that causes equipment damage or hazardous conditions.

We use the strategy to eliminate or reduce the instances when the current exceeds the rating of the conductors or the equipment. Proper analysis between the upstream and downstream devices are done to ensure safety.

The objective of Allumiax is to provide the industry with best practices for electrical circuits overcurrent protection and selective coordination of protective devices. We have the experience to apply these practices on projects to minimize power disruption.

Protection is one of the most significant purpose for the electrical power system and its components. So it’s our goal to design a safe and reliable power distribution system and should must consider life safety and equipment protection.

Selective Coordination Study:

Selective coordination is the protective device coordination between selected feeders in order to achieve perfect coordination between those feeders. According to the NEC, selective coordination means that the fuse or circuit breaker closest to the fault opens up without opening up the fuse or the circuit breaker that feeds it (from the upstream side). So you won’t have black out conditions that can occur if there is a fault somewhere downstream.

Selective coordination of a power system is desirable but not always required. However, NEC makes selective coordination compulsory in specific situations. 

AllumiaX objective is to determine the best coordination for the entire system. This approach necessitates tradeoffs in selectivity for some parts of the system to achieve maximum coordination in more critical areas.

This study will be performed to achieve the required selective coordination within the operating limits of the existing protective devices and recommendations have been provided to ensure the same for all emergency, COPS and life safety systems.