The protection coordination study complements the scope of the short circuit study. Learn more about this study and get a quote!
In order to perform the Arc flash study, it is necessary to have previously performed the short circuit study. In turn, for the coordination of protections it is necessary to know the short circuit level.
We perform three-phase fault simulations, line to ground fault, line to line fault and line to line to ground fault. This allows us to know the short circuit currents at each point of the system, for half-cycle and 5-cycle asymmetrical currents, as well as initial and steady-state symmetrical currents.
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When starting an installation it is necessary to perform a short-circuit evaluation to know the capacities of the equipment to be installed. In addition to determine the fuses and thermomagnetic switches required for proper operation.
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This risk assessment analysis complements the scopes of the Protection Coordination Study. It evaluates the conditions of the power plant according to NFPA 70E-2018 standards.
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The protection coordination study complements the scope of the short-circuit study, in addition to a coordination of the short-circuit and overcurrent protections of all buses, together with their time-current curves and circuit breaker settings.
In the report we include the input data used, the assumptions and criteria used, as well as the coordination graphs and damage curves of the various elements.
It is performed according to the criteria of local application standards (according to IEEE Std. 242-2001 (Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems) or according to the client's criteria.
