We got the idea about the latest advancements going on in the field of gis and substation automation. Design study for 3311 kv substation, distribution and. Recent technological develop ments have had a tremendous impact on all. When the space available for the installation of the substation is short or when the environmental conditions are extremely severe the usual solution is to install a gis gas insulated substation, which schematic diagram is shown in figure 3. Our first product was a computerized, extra high voltage ehv circuit breaker analyzer, which became the forerunner of an entire line of ehv circuit breaker test equipment. Guidance is provided to substation engineers in determining the design, equipment, and practices deemed necessary for the fire protection of substations. It is usually of the threepole, singlethrow, groupoperated type. Pdf a database has been developed that documents performance of. Many failures can be detected during the electrical substation maintenance routines, reducing the risk of significant plant downtime, and preventing future problems. Advances in substation equipment technology have led to increased unit capacity, smaller size, and environmental preservation. In our project we are going to study about the operation of different equipments in substation.
Part 1 also provides an overview of substation major equipment, explaining the mission, and arrangement of each component. Eatons cooper power series substation transformers are built with unprecedented quality and attention to detail, meeting a vast range of customer specifications and applications. Electric substations with equipment used to convert highvoltage, extrahighvoltage ehv, or ultrahighvoltage uhv transmission lines to the intermediate voltage subtransmission lines or to switch subtransmission circuits operating at voltages in the range of 34. The study of 220kv power substation equipment details eep.
Prepared by the subcommittee on the design of substation structures of the. Fundamentals of modern substation equipment, protection. However, tests or measurements are also carried out to assess the condition of the equipment. The input for a distribution substation is typically at least two transmission or subtransmission lines. Substations establish interconnection points within power systems, with the switching status of circuitbreakers defining the network topology, and transformers enabling connections between voltage levels.
Prot 411 provides an indepth study of the methods used in designing protection for highvoltage power transformer protection and substation bus protection. Tikhodeev encyclopedia of life support systems eolss into substation equipment systems. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. All of the building blocks are based on state of the art numerical technology, compatible with conventional equipment. Pdf maintenance and operation of an electrical substation of 220. The station may consist of transformers, switches, circuit breakers and other auxilliary equipment. The parsing of smart labels mainly contains the download and graphical. Substation equipment free download as powerpoint presentation. Study of substation equipment and protection seminar.
It is intended to help those who have to define and implement sas, whilst also conforming to the current industry best practice standards. The equipment like bus bars, isolator, power transformer etc. Cbip has grown into an eminent organisation of international importance while. The electrical substation design is a complex method with full of engineer planning. Summary about equipment in an electrical substation. Design study for 3311 kv substation, distribution and protection in the city of kenya. At the end we hope that by this presentation your understanding regarding various types of substation, operation of a standard substation and also about the various equipements used in power substation would got more clear. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. The substation design manual is not intended to replace asset management standards, but rather to act as a reference document that crossreferences existing standards and process documentation and plugs any gaps where asset management documentation does not exist.
This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Fundamentals of electrical substations and switchgear. Equipments in sub station free download as word doc. To better understand the importance of electrical substations, lets start with a discussion about the structure of the power systems and. Ieee guide for substation fire protection redline abstract.
Solutions for electrical substation maintenance smc. Substation construction manual i reference ni000401r122 ver 3 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 revision history version description of change date 1 initial version 250320 2 content revised and. The battery charging equipments comprises of a float charger and a boost charger. Electrical substation components list diagram, working. Transmission, sub transmission and distribution substation 4. A substation is a part of an electrical generation, transmission, and distribution system. Overhead lines and substation equipment can be protected against direct strokes to a considerable extent by using earth or ground wires, which shield the equipment. Pdf development of an electrical substation equipment. Substation equipment an overview sciencedirect topics.
Stabilization output voltage is provided in the float charger to float the battery at the correct level. Study of substation equipment and protection seminar report pdf ppt download these may be hydro, thermal, atomic etc. Tennessee valley authority abstract bushings provide a point of interface such that electrical current can pass to and from an electrical apparatus. Distribution substations michigan technological university.
Home download center electrical engineering books and technical guides power substation guides the study of 220kv power substation equipment details 220kv substation equipment the presentday electrical power system is a. Substation automation includes a complete range of flexible object terminals, including all necessary functions for substation control and substation monitoring systems. Substation equipment capacitor insulator electricity. Unesco eolss sample chapters electrical energy systems components and substations for electrical transmission and distribution systems b. Our technical team has expertise in all aspects of substation design through 345kv for both open air substations and gas insulated substations.
Introduction to substations annotated instructors guide module overview this module introduces trainees to the function of substations at all levels of the power grid, with an introduction to typical substation components included. Fundamentals of modern electrical substations part 1. The electric power substation, whether generating station or transmission and distribution, remains one of the most challenging and exciting fields of electric power engineering. Purpose of substations in general, a substation is a power system facility that contains power system. The key steps in the substation designing include switchingsystem, planning and placing of equipment, selection of components as well as ordering, support of engineers, structural design, the design of electrical layout, protection of relay, and major apparatus ratings. Maintenance intervals are normally fixed on the basis of type of equipment and sometimes on the equipment history. Engineers who need a comprehensive understanding of the design concepts and methods used in protecting highvoltage electrical substation bus and power transformers should take this course. Improvement of fragilities for electrical substation equipment. The electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. Solutions for electrical substation maintenance a well planned electrical substation maintenance assures reliable supply and reduction in failures.
How new technologies can improve monitoring and control by lourenco teodoro, indusoft substations are a critical component for maintaining electrical supply and load control in low voltage, medium voltage and high voltage electrical distribution networks. There is numerous electrical substation components like outgoing and incoming circuitry each of which having its circuit breakers, isolators, transformers, and busbar system etc for the smooth functioning of the system. Ac power is required for substation building small power, lighting, heating and ventilation, some communications equipment, switchgear operating mechanisms, anticondensation heaters and motors. In order to ensure the proper functioning of substations and related equipment such as linemounted switches and capacitors, most. Electrical substation components, workings and their functions. In the center of the figure, the transformer item 9 demarcates. Stones are provided in the substation to a to avoid fire accident by draining oil from transformer if leaks b to avoid growing of weeds and plants c to provide insulation d all the above. The integrate design and high areas of stress makes. It includes study of transmission lines, bus bars, circuit breakers. A mini project report on operation and maintenance of 2202kv substation submitted in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering submitted by v. The new, improved technology can thus be implemented step by.
Components and substations for electrical transmission and. Substation substation a station in the power transmission system at which electric power is transformed to a conveniently used form. All rus borrowers rus electric staff effective date. Electrical substation equipment for transferring of electrical power from generating unit to distributing units various types of electrical equipment are required. The substation would be a combination of switching, controlling, and voltage stepdown equipment arranged to reduce subtransmission voltage to primary distribution voltage for residential, commercial, and industrial loads. Equipments in sub station electrical substation transformer. Introduction in our present society that is greatly dependent on electric power, substation technology plays an important role in the stable and highquality transmission of electric energy.
Basic elements of substation equipment 1 busbars conductors carrying power to individual branches 2 branches equipment for carrying power to grid lines instrument equipment in branches switch circuit breaker cb busbar disconnector outlet disconnector voltage and current transformers vt, ct. Designed for both new installations and retrofit solutions, these substation transformers are optimized to perform in the most rigorous sectors of industry and are designed to last. Overhead lines and substation equipment can be protected against direct strokes to a. This practical course covers medium and high voltage substations, including industrial, utility, commercial and institutional and introduces you to the up. Maintenance and operation of an electrical substation of. This equipment is a compact multicomponent assembly, enclosed in a ground metallic housing, which the primary insulation medium is a compressed gas. The various circuits are joined together through these components to a busbar at substation. We have expertise in providing substation engineering packages for both utility and private customers including electrical protection and control, physical substation design, structural and civil. Td703 revision 6 temporary protective grounds for td.
Overview purpose of substations substation equipment substation control house substation bus configurations. Knowledge of stateoftheart substation equipment, protection and controls is a prerequisite to making decisions in design, construction and operation of high and medium voltage substations. Dc power is used to feed essential services such as circuit breaker trip coils and associated relays, supervisory control and data acquisition scada. Design and implementation aims to close the gap created by fast changing technologies impacting on a series of legacy principles related to how substation secondary systems are conceived and implemented. Much like bridges on the highway, they are very critical and the weakest link. Eversource system tool and equipment standards td 211 when to wear arc rated flame resistant clothing td 216 hotsticks used in lived line operations maintenance, inspection, and testing td 800, switching and tagging td 852, lockouttagout.