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Maintenance of substations - 01

1. INTRODUCTION

is common knowledge that today, power is required for many aspects of daily life, no one is exempt the use of electricity, in one way or another, either at home or at work, operating equipment, workshops, TV, offices, theaters, etc.. This leads to the conclusion that the electrical service must be continuous.

must be borne in mind that this service should be provided in the best quality, and today, there are laws and regulatory systems that ensure compliance with these regulations by the electricity companies, both with regard to service continuity and quality of it.

Electric Power Systems (EPS), have several components and each with unique characteristics, and these are an important part of the whole system, provided each with specific functions, different from other components, but important for the proper functioning of the system, both in terms of quality and service continuity. One of these components are substations, whose function is to interconnect circuits
each other, with the same characteristics of power, albeit to varying onsome cases (voltage and current).

substations can be of transmission or distribution, high or medium voltage, and its components, and the disposition of these may vary one substation to another, but the characteristics of the components will always be the same, and each will also inside the substation, specific and important functions at once. Exist in a substation, switchgear, responsible for joining together or open circuits, power transformers, responsible for transmitting power from one system to another with the desired characteristics of current and voltage transformers, which are responsible for measuring the characteristics electrical signal for protection and registration sections, which together or separate circuits, capacitor banks, which serve to compensate the voltage drop at the end of the line transmission, the lightning rod that protects against shock, just to name a few.

Considering that the substations are an important component of the power system, besides being the most economic cost, and the continuity of the service depends largely on them, is necessary to implement these systems (substations) adequate maintenance management. This management must observe the preventive maintenance, predictive maintenance encompassing, quite frequently to check the status of equipment, corrective maintenance to preventive repair or replacement, which should have some emergency response planning, and proactive maintenance, for the analysis and periodic review of management and the evolution of maintenance and procedures. All these interrelated with each other, thus forming the Integrated Maintenance.

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