The schniedersudhir mvlv prefabricated substation is part of a comprehensive offer of products with consistent design. The mediumvoltage and lowvoltage cables are passed into the building base through type p50 p70 fig. Use of new simplified singleline diagrams and layouts. The input for a distribution substation is typically at least two transmission or subtransmission lines. Abb has been designing and building substations for more than 100 years.
Hv mv mobile substation examples mv switchgears for the mv switchgears and according to the client requitdltll lithirements and voltage level, we can supply either air insulated switchgears ais or gaz insulated switchggpears which reduces to the minimum possible the dimensions of the switchgears. Therefore, to avoid this difficulty, lightening arresters are. Often, the electric provisioning through mv cables, on part of the city is no longer economically bearable due to a high power requirement. Operating a distribution network sometimes requires switching points in addition to the hv mv substations, in order to limit the effect of a fault on the network. Mv process application library product guide lib 510 features application library for mv process applications built using abb substation automation products application library for process applications built with rtu 200 and rtu 210 installable process objects for station level functions, bay level functions, switching. A transformer is connected to main bus though a bus coupler. For mv substations associated with embedded generator connections, a different design is required.
This document is for customers who are required to build an indoor mv lv substation. Pdf design of mvlv substation transformer researchgate. Medium voltage mv is defined as 1kv to 36kv high voltage hv is defined as 36kv to 2kv. Main medium voltage switchboard is smaller only two functions to feed a mv loop length of medium voltage cables is reduced 30% typically the maintainability and availability of the network are improved as. The low voltage distribution networks are supplied from mvlv substation tr. Presentation of hv mv substation system reliability and maintenance strategies 2. Substations generally have switching, protection and control equipment, and transformers. Switchgear equipment is provided, which is the combination of a circuit breaker having an isolator at each end. A substation is a part of an electrical generation, transmission, and distribution system. Lv options can be chosen from either switched and insulated fusegear saif, shielded fusegear, mccbs or acbs.
In substation 8456, the mv switchgear has four cable bays connected to the duplicate mv network. Fundamentals of electrical substations and switchgear. The paper presents a new standardized, environmentally friendly, low cost hvmv distribution substations. Mv process application library product guide lib 510. So, the monitoring system from supplier a is installed with an automatic switchover functionality for the two mv systems. Earth clearance this is the clearance between live parts and earthed structures, walls, screens and ground. When a decision to supply power at mv has been made, there are two widelyfol lowed methods of proceeding. Nexans can serve this market with its hightechnology products. Substation with simplified mv switchgear all above advances would bring substancial savings, both in term of surface occupation and cost, minimizing hence the differential of investment between overhead and underground networks. An electrical transformer substation consists of a whole set of devices conductors, measuring and control apparatus and electric machines dedicated to transforming the voltage supplied by the medium voltage distribution grid e. The substation equipments such as conductors, transformers, etc. The engineering of the substation singleline diagram is done either by creating a new.
Distribution voltages are typically medium voltage, between 2. Print a catalogue create a pdf file you must be registered. Now in the medium voltage division, he uses his knowledge of public distribution applications to work on expert assessments, specifications and standards. Confidential property of schneider electric 18 what. The low voltage distribution networks are supplied from mvlv substation transformer that represent the last step of bringing transformation to the low voltage and ensuring the protection and monitoring of the network. Metalclad distribution substation inline packaged substation unit substation. Optimum mv feeder routing and substation siting and rating in distribution network. The raliability of a substation system the reliability of a hv mv dss refers to the ability of the electric system to provide consumers with conti nuous electrical service of satisfactory power quality 9. Pdf optimum mv feeder routing and substation siting and. Specification for medium voltage mv substation buildings this document outlines the design and construction requirements for medium voltage substation buildings for demand connections only. The raliability of a substation system the reliability of a hvmv dss refers to the ability of the electric system to provide consumers with conti nuous electrical service of satisfactory power quality 9. Rm6 catalog 9 overview field of application in addition to hvmv substations, which are used to limit the effects of a fault on. In this paper application of goose in mv substation is discussed with the advantages of goose over conventional protection and control scheme. The decision of a mv or lv supply will depend on local circumstances and considerations such as those me n tioned above, and will generally be imposed by the utility for the district concerned.
Substations or power transformation systems are a connecting ring among the several levels of tension. Pdf teaching reliability analysis of hvmv substations. The mv options are made up from ringmaster switchgear including compact ring main units, circuit breakers or disconnecting switches. Certificate of completion for medium voltage mv substation buildings. Technical guide the mvlv transformer substations abb group. Technical specification construction of 3311 kv primary substations. The rm6 offers a choice of solutions to make 2, 3 or 4 directional connections b with line protection by 630 a circuit. Last section of the paper discuss about concerns and resolutions for goose application in mv substation. In this paper an educational software for the reliability assessment of highmediumvoltage hvmv substations and distribution feeders is presented. Location of the surrounding loads in the layout of both the current and the. Technical specification construction of 3311 kv primary sub.
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. Pm103350 hvmv substation hvmv substation pe91032 rm6 meets all medium voltage secondary distribution needs up to 24kv. Vendor shall assemble the compact substation at factory and no assembly of the same shall be allowed at site. Mv public distribution networks throughout the world. Abb library is a web tool for searching for documents related to abb products and. This form must be sent to esb networks when a substation is complete and ready for installation of medium voltage switchgear. Biosco design comes from schneider electric, france. Supply in the package materials have been classified as under i. Substation construction manual page 2 of 57 reference ni000401r122 ver 3 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 4. Owners supply materials osm 3311 kv power transformers, station 330. Whenever light surges occur then, a highvoltage pass through these electrical components causing damage to them either temporary or permanent damage based on the amount of voltage surge. The electric utility industry maintains a high level of. Mv network points, and enhance electrical power dependability. Hv substation project brief history et bihl d i 1987 f th il ti f l hv mv d established in 1987 for the realization of complex hv, mv and lv projects.
The transformer is accessed after opening the transformer room ventilation door. Method 1 substation with a single transformer when the plant foresees installation of an. The setting tool includes a default setting file for each type of spacom modules. Environmentally friendly, low cost hvmv distribution. Mv substation equipment iec shortcircuiting and earthing systems for mv substations iec shortcircuiting and earthing systems for mv substations installation on bare conductors mt5805 ce421c m78665 iec 61230 mt890 mt891 mt893 mt895 ci06d reference description clamps 3 claws earth clamp fixation cable tensioner cable kit support. The low voltage distribution networks are supplied from mvlv substation transformer that represent the last step of bringing transformation to the low voltage and ensuring the protection and.
Medium voltage mv is defined as 1kv to 36kv high voltage hv is defined as 36kv to 2kv extra high voltage ehv is anything above high voltage. A mv lv transformer electrical substation consists, therefore, of the set of devices dedicated to the transformation of the voltage supplied by the distribution network at medium voltage e. Medium voltage products technical guide the mvlv transformer. The substation can be for a large lv 230400v connection or a medium voltage mv, 10kv or 20kv connection. Substation design volume ii physical layout instructor. All rus borrowers rus electric staff effective date. The new solution, adopted by enel distribuzione in italy, is based on the following principles, which are presented and discussed in the paper. The mediumvoltage switchgear and lowvoltage switchboards are accessed after opening service doors, separate for the medium and lowvoltage sections. Therfore its necessary to carry out transformation systems able to link hv to mv rates. Besides changing the voltage, the job of the distribution substation is to isolate. The subject of this technical guide is mvlv substations. Distribution substations michigan technological university.
Pdf a substation is a part of an electrical generation, transmission, and distribution system. The complete guide to transformers and packaged substations. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Substation layout consists essentially in arranging a number of switchgear components in an ordered pattern governed by their function and rules of spatial separation. Presentation of hvmv substation system reliability and maintenance strategies 2. Its selection affects the configuration of the substation and is made on the basis of various factors. Across every market, abbs circuit breakers occupy a leading position thanks to their proven reputation for reliability, performance and long life. In this paper an educational software for the reliability assessment of highmediumvoltage hv mv substations and distribution feeders is presented. Circuit breakers medium voltage circuit breakers for indoor and outdoor applications with the worlds most successfull range in medium voltage vacuum and sf6 gas. Mediumvoltage circuit breakers bolted connections to bus bars or wires, especially in outdoor switchyards often built with drawout construction allows the breaker to be removed using a motoroperated or handcranked mechanism types of mediums used are. To view, download or print a pdf document you will need the adobe. Pdf teaching reliability analysis of hvmv substations and.
In that time we have supplied thousands of substations for all voltage levels and climates, from the most congested downtown cities, to some of the most remote locations on earth. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Architectual drawings for mv substation dwg file 1 mb. A maintenance optimzation policy for an electric power.
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