Abstract
Abstract The protection of power system is an essential trait in a huge network to efficiently detect and isolate the sections undergoing faults or abnormal behaviour. The key components of a protection scheme include circuit breakers, relays, switchgears and fuses which employ communication from one station to another to achieve high-speed tripping. The automation of these components at the laboratory level using programmable logic controller (PLC) along with supervisory control and data acquisition (SCADA) system owns paramount importance for intelligent decision making, sensing, actuating, monitoring and maintaining the record in the host server. This paper discusses such a technique for conventional power system protection laboratory at a new level of development to promote a control system through PLC and SCADA. The control system has indication of over and under values of voltage, load and frequency, which can trigger malfunctioning of equipment and must be rectified. Furthermore, ground fault and inverse current indication are added to the system for monitoring and controlling purposes. The proposed system enhances the efficiency and safety of the expensive equipment and the personnel to the next level and also introduces new standards of automated protection schemes for modern technical institutes.
Highlights
Instrumentation covers up an extensive range of areas from signal and system, electrical circuit, data communication, sensor technology, electronic, digital signal processing, design and software engineering
The newly built protection system based on automation tools will be reliable and time saving
The present research further emphasises that programmable logic controller (PLC) and supervisory control and data acquisition (SCADA) systems that are used worldwide should be taught as a regular course to students as they will use this technology in industries and at home
Summary
Instrumentation covers up an extensive range of areas from signal and system, electrical circuit, data communication, sensor technology, electronic, digital signal processing, design and software engineering. In the mid-1960s, Hydramatic, a division of General Motors Corporation, proposed that logic functions could be performed by a computer and performed by relays [2] With this proposed technique, SCADA system became popular due to an increasing demand for monitoring and controlling the equipment. Power industries need techniques of rapid and modern development that require the use of equipment, resources and knowledge of technology to manage the future stations as an automation system is a mesh of interconnected wires. To make them utilise and function for the operation, a programmable logic controller (PLC) along with supervisory control and data acquisition (SCADA) is required within the automation sector. PLC and SCADA systems contribute to real-life problems and help understand the concept of automation.
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