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Normal and abnormal current interrupting capacity tests

Introduction

The Normal and abnormal current interrupting capacity tests are performed by the High Power Laboratory (AP2), located in the Adrianópolis Unit.

 

They are suitable for equipment projected to making and/or breaking currents in the electrical network, under different conditions, such as circuit breakers, reclosers, underload switches, fuse devices, etc. The satisfactory performance of these pieces of equipment under different conditions is important not only to guarantee the safety of their users and the electric system, but also to assure the continuity of the energy supply.

 

These tests, suitable for high voltage equipment, involve tests of making capacity; breaking capacity; load currents; inductive currents and capacitive currents.

 

To this end, AP2 has the infrastructure to provide voltages and currents and meet the specificities of the clients and/or the test standards, within the limitations of the laboratory, for example: calibrated measurement systems; switches and circuit-breakers for current making and interrupting; current limiting elements; circuits to meet the voltage parameters of transient reestablishment; protection systems; suitable current and voltage sources.

 

The main clients of these tests are: electricity utilities and equipment manufacturers.

 

Standardization


The national and foreign standards vary according to the equipment tested.

 

Contact

Contact the responsible area via email:


 ap2@cepel.br