Electric Power Substations Components and Functions (Ibibor S

ELECTRIC POWER SUBST SUBSTATIONS, TIONS, COMPONEN COMPONENTS TS AND FUNCTIONS BY ENGR. ISIBOR SIMEON, MNSE, MNIEEE, MNIEEE, MAIP MD/CEO SIB ENGINEERING LTD CIVIL SERVICE SERVICE CLUB, MABUSHI-ABUJA PRESENTED PRESEN TED AT AT THE INTERNATIONAL INTERNATIONAL CONFERENCE AND EXHIBITION ON POWER AND TELECOMMUNICATIONS TELECOMMUNICATIONS (ICEPT 2015), OSHOGBO.

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OUTLINE 

Introduction



Basic Power System



Substations



Classifications of Substatations



Components of Substations



Conclusion









ABSTRACT This paper is an overview of major components used in power system. All components of power system are virtually seen in substations. This discussion focuses on substation, classifications and on some major components that can be found and are in regular use in substations.









INTRODUCTION Electric power is produced at the power generating stations, which are

generally located far away from the load centers. High voltage transmission lines are used to transmit the electric power from

the generating stations to the load centers. Substations are basically transformation or switching stations. They receive

power transmitted at high voltage from the generating stations and reduce the voltage to a value suitable su itable for distribution. .









BASIC POWERR SYSTEM Electric Power Systems comprised of components transform other forms of energy electrical energy and transmit energy to a consumer.

are that into this

Electric power system equipment are electrical components used in the generation, transmission, protection, distribution, control and utilization of electric power in the industries, factories, offices offices and homes. [1, 2]









SUBSTATIONS Single line schematic arrangement of power substation

Substations are assembly of electrical

components to form a link between generating stations, transmission systems and distribution systems.[3]











CLASSIFFICATION OF SUBSTATION Substations may be classified in according to service requirements and constructional features .









CLASSIFFICATION OF SUBSTATION According to constructional features, substations are classified into: Indoor substations: All equipment of the substation are installed within the









COMPONENTS OF SUBSTATION Power Transformers Transformers::

Power transformers are used in generation and transmission









Instrument Instrume nt Transfo Transformer rmer

Instrument transformers are used to stepdown the current or voltage to measurable values. They provide standardized, useable

a. Current transformer









Circuit breakers

Circuit breakers are used for opening or closing a circuit under normal as well as abnormal (faulty) conditions. The circuit breakers are used to break the circuit if any fault occurs in any of the instrument. Different types of CBs which are generally used are oil circuit breaker, air-blast circuit breaker,



























































Electric Power Substations Components and Functions (Ibibor S

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