This operating manual is an integral part of the product and must be stored so that it is at any time readily accessible for and can be used by persons who are to work on the switchgear. The gas insulated switchgear enk is an innovative solution for meeting future requirements of the evolving smart power grid. Purpose share status on replacement of sf6 with environmentally friendly insulating gas for high voltage gis and breakers. The gasinsulated switchgear elk3 for ratings up to 550 kv, 6300 a, 80 ka is applied in all 420 kv and 550 kv grids worldwide. Siemens gasinsulated switchgear is also the first choice for. Gas insulated components of substation are generally, electrical bus bars. The fixedmounted circuitbreaker switchgear nxplus c for primary distribution systems is an indoor, factoryassembled, typetested, metalenclosed, sf6 insulated switchgear with metallic partitions for.
The 8dab portfolio has now been extended by 8dab 12 a switchgear using clean air, an insulating gas. Partial discharge measurements are used to validate the integrity of the insulation system at the end of the production line or when commissioning gas insulated switchgear and lines gis, gil. The metalenclosed, gasinsulated mediumvoltage switchgear with metallic partitions serves both singlebusbar and doublebusbar applications. Hi everybodydoes siemens has any siemens switchgear manual. Gasinsulated switchgear for substations introduction. Gasinsulated switchgear gis type 8dab has been an integral part of the mediumvoltage portfolio at siemens. Siemens to retrofit one of the largest substations in. Gas insulated medium voltage switchgear feeder 1250 a 1 density sensor 2 circuitbreaker operating mechanism 3 multifunctional protection and switchgear control unitmultifunctional protection and switchgear control unit 4 three position disconnector operating mechanism 5 three position disconnector 6 busbar 7 pressure relief disk. Eatons power xpert xgis mediumvoltage gas insulated switchgear enhances safety with a highly reliable and compact sf6 insulated switchgear design with virtually no maintenance for lower ownership cost and optimized roi. Siemens gis, cable bay with double busbar system including 2 bb ds, 1 line ds, 1 cb, 3 es. Switchgear type 8dh10 up to 24 kv, gasinsulated, extendable. This ultimately reduces the space required onsite and associated civil engineering costs.
Iv general technical specification for 220kv sf6 gas insulated metal enclosed switchgear. More than 100,000 panels of this switchgear type have already been installed worldwide. Reliability of this gis was improved and the enclosure diameter was reduced in order to minimize the installation space by using new analysis. The product line of highvoltage switchgear unit includes gas insulated switchgear gis. Fundamental research on sf free gas insulated switchgear. Gis highvoltage gas insulated switchgear substations. This course is based on terms used in ieee and iec regulations. Gas insulated switchgear 45 hyosung designs and manufactures a wide variety of sf 6 gasinsulated switchgear gis system to satisfy customers specific substation requirements. Siemens receives order for worlds first sf6free gas.
Switchgear and protective devices 2015 8 p a g e risk of synchronous motors in large industrial premises falling out of step and tripping out. It is the ideal solution for reliable supply and generation up to a rated. Pioneer and technology leader driving gis innovations. Contact regional service centers, sales offices or the factory for details, or telephone siemens field service at. Gas insulated switchgear gishgis up to 252kv compact gas. Gas insulated switchgear is used in industrial areas to fulfil highenergy demands by space saving design with a minimum of cost. Siemens clean air technology is the first fgasfree insulation. A gas tight barrier insulator in switchgear serve for the separation of gas compartments and prevents neighbouring switchgear parts from being affected during maintenance. Monitoring and diagnosis of gas insulated electrical switchgear thomas a.
Siemens has been a leader in this sector from the very start. The systems are designed and use the same components for both indoor and outdoor applications. The gas insulated switchgear gis is designed using threephase common or singlephase enclosures. Control and monitoring facilities are easily accessible in spite of the compact design of the switchgear. Sf 6free gas insulated switchgear gis for 145 kv, 40 ka, 3,150 a combination with low power instrument transformers lpit ensures a compact design siemens energy management received an. This manual describes the operation of gas insulated wi series medium voltage switchgear. National grid gas insulated switchgear technical specification ts 3. Switchgear type 8djh 36 for secondary distribution systems up to 36 kv, gas insulated siemens ha 40.
Elk04 up to 170 kv modular solution for reliable energy supply. Highvoltage gis gas insulated switchgear features since the first operation of the phase segregated type gis in 1970, fuji has successfully developed as a standard series of phase segregated type or three phase encapsulated type gis which realized a quite compact and very reliable construction. Gas insulated metalenclosed switchgear for rated voltages above 52 kv 092011. Siemens opens a new factory for gas insulated mediumvoltage switchgear in india. In its place, siemens will build two gas insulated switchgear gis with 14 and 12. For establishing electrical substation in very limited place this type of sf6 insulated electrical switchgear plays the major role. Sf6 gas, co2 gas, mixture, gas insulated switchgear gis, gas circuit breakergcb, global warming 1. Gas insulated switchgear for substations sf 6 insulated switchgear up to 245 kv, type 8dn9 the clear bay configuration of the lightweight and compact 8dn9 switchgear is evident at first sight.
New abb breakthrough in gasinsulated switchgear significant. Pair with siemens protective relays to match any typical application. Currently he is principle expert of standardization and gasinsulated high voltage system in energy transmission of siemens. In iec he is secretary of sc 17c high voltage switchgear assemblies. Siemens transformers within the substation ensure high availability of the traction power supply with nominal voltage of 25 kv or 15 kv. Tanks are machine welded at the factory and sealed for life. Fixedmounted circuitbreaker switchgear type nxplus c up to 24 kv, gas insulated siemens ha 35. Gas insulated switchgear pioneer and technology leader, driving gas insulated switchgear. Hitachi has developed smaller and more reliable gas insulated switchgear gis in response to demands for lower costs and stable power supplies. Three phase encapsulated type sf6 gas insulated switchgear type sdf for 170 kv 06b1e0001 gate city ohsaki, east tower, 112, osaki 1chome, shinagawaku, tokyo 1410032, japan. As vacuum technology is not available for high voltage, so for gis or gas insulated switchgear system above 72. Switchgear type 8djh for secondary distribution systems up.
Restart your computer, and then open the file again. This type of switchgear, means, gas insulated switchgear is available from 12 kv system to 800 kv system. These instructions for assembly are an integral part of the product and must be stored so that they are at any time readily accessible for and can be used by persons who are to work on the switchgear. Secocue 36v gas insulated medium voltage switchgear secocube is an indoor, factoryassembled, metalenclosed, cubicle type gas insulated switchgear for single busbar applications. Iec 61850 in zx gasinsulated medium voltage switchgear. If the switchgear is sold to new owners, they must receive this document along with the. Switchgear type 8djh for secondary distribution systems up to 24 kv, gas insulated siemens ha 40. Lsis who has been a leader in electricity and automation in. Integrated gasinsulated switchgear up to 420 kv abb group.
A gas insulated substation gis is a high voltage substation in which the major structures are contained in a sealed environment with sulfur hexafluoride gas as the insulating medium. Siemens will supply 102 sf6free, gas insulated 8vm1 highvoltage switchgear gis to siemens gamesa by the middle of next year. Gasinsulated switchgear transmission products siemens. The switchgear will protect each wind turbine individually against overloads. Switchgear for lower voltages may be entirely enclosed within a building. Goose messages facilitate direct communication between field devices in a zx switchgear system, enabling them to exchange information via the substation bus on, for example. Medium voltage switchgear operating instructions description installation operation maintenance. Siemens opens a new factory for gasinsulated medium. Sf6 switchgear installed in canada in a 550 kv substation with 100 ka. Siemens expands its portfolio for sf6free mediumvoltage. Siemens clean air technology is the first fgasfree insulation for highvoltage gis. It incorporates the advanced technologies of mixed gas insulated.
Gas insulated switchgear maintenance philosophy maintenance philosophy for gis type elk1, 2, 3 time based maintenance condition based maintenance criteria. The circuit breaker is designed for singlepole automatic reclosure. For the distribution of electrical energy, siemens offers various gasinsulated switchgear types, which can be used in transformer and distribution systems of power supply companies, but also in industrial mediumvoltage systems, e. Gasinsulated mediuminsulated medium voltage switchgear zx. Systems mediumvoltage power distribution siemens global. Sealed tanks isolate the primary live parts from contaminants and reduce maintenance requirements. Gas insulated highvoltage switchgear gis is a compact metal encapsulated switchgear consisting of highvoltage components such as circuitbreakers and disconnectors, which can be safely operated in confined spaces. In conclusion, lsis offers customers the most efficient and economical solutions. Mediumvoltage mv gasinsulated switchgear gis types 8da10 and 8db10 are gasinsulated, vacuum circuit breaker designs with a maximum design voltage of 4. Gis technology originated in japan, where there was a substantial need to develop technology to make substations as compact as possible. Interrupter unit storedenergy spring mechanism the design of the interrupter unit and the spring mecha. Here you will find important information, documents, and addresses relating to. Gdpe1022mar published may 2011 gas insulated switchgear for power industry global market size, page 1 equipment market share and competitive landscape analysis to 2020. Airinsulated bus bar and cable connection system for conventional cable terminations threeposition switchdisconnector, metalenclosed, with airinsulated primary terminals and gasinsulated switching functions maintenancefree quenching system switching devices in stainlesssteel sf6filled vessel, without seals, with weldedin.
Switchgear type 8djh 36 for secondary distribution systems. A typical gas insulated substation is shown in fig. Sulphur hexaflouride sf6 gas the primary insulating medium. Product brochure gasinsulated switchgear elk4, 800 kv. Jan 02, 2019 sf 6 gas pressure for insulating purpose is generally kept below 2. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. For higher voltages over about 66 kv, switchgear is typically mounted outdoors and insulated by air, although this requires a large amount of space.
Abb, ge, hitachi and siemens have alternatives to sf6. It represents an important step towards the company goal of developing completely environmentally friendly technologies. Fixedmounted circuitbreaker switchgear type nxplus c. Gas insulated medium voltage switchgear gas insulated medium voltage switchgear gas insulated medium voltage switchgear goose messages. Abb gas insulated switchgear elk4, 800 kv 3 abb and 50 years of gas insulated switchgear gis innovation abb offers a wide range of highvoltage products up to 1200 kv kilovolt that help enhance the reliability, efficiency and quality of power in transmission and distribution grids, power plants and industries while minimizing environmental. Switchgear products are provided for application voltage range of 72. Each panel shall be metal enclosed, free standing, floor mounting, flush fronted and arranged to form a single structure with a common busbar assembly. Gis there are two terms presented in iec gas insulated switchgear and ieee gas insulated. Siemens supplies sf6free highvoltage switchgear for. Vacuum interrupting technology enables the implementation of clean air as an insulating medium for gasinsulated switchgear up to 145 kv. The sealed tank, rated ip65, contains the circuit breaker and three position disconnect switch. Wind farm places the first sf6free siemens highvoltage. Several crucial terms are for better understanding of the presented material.
Introduction sf6 gas has widely been used for a highvoltage electric power equipment such as a gas insulated switchgear gis and a gas circuit breaker gcb due to its excellent insulating and arcquenching capability. Gas insulated switchgear saves space compared with air insulated equipment, although the equipment cost is higher. Fixedmounted circuitbreaker switchgear type nxplus c up. Three phase encapsulated type sf6 gas insulated switchgear. Gas insulated substations are particularly suitable for underground construction beneath public buildings. Gasinsulated switchgear mediumvoltage sf6 insulated. Mediumvoltage switchgear mediumvoltage switchgear type 8djh, block versions up to 24 kv, gas insulated mediumvoltage switchgear installation and. Design concept and advantages gas insulated switchgear ls sf6 gas insulated switchgear 5. Hyosung believes in giving you the highest quality system at a reasonable price. Gas insulated switchgear from siemens will support you with a largely maintenancefree, stable, and tested design for maximum availability even under extreme environmental conditions. I know there was a switching, protection and distribution in lowvoltage networks.
The sf6 gas insulated metal enclosed switchgear shall be totally safe against inadvertent touch of any of its live constituent parts. Gasinsulated mediumvoltage switchgear nxplus c the multitool. Concept for sf6free transmission and distribution of electrical energy. New abb breakthrough in gasinsulated switchgear significant reduction in global warming potential abb launches the worlds first ecoefficient, mediumvoltage gasinsulated switchgear with airplus the brand new gasinsulated switchgear gis with airplus is a revolutionary ecoefficient sf 6 alternative for mediumvoltage mv. The metalenclosed gas insulated switchgear is made as to ensure the best possible relationship between design, used materials, maintenance effort and maintenance intervals. Gdpe1022mar gas insulated switchgear for power industry. If your company is in this situation maybe it is time to upgrade your switchgear.
Installation, maintenance, and end of life of a gasinsulated. Siemens supplied four bays of the 8vm1 gas insulated sf6free highvoltage switchgear gis which has a capacity of 72. Sulfur hexafloride sf6 gas insulated metal clad switchgear. Handling of sfhandling of sf 6 on siteon site use of strong and big maintenance units should be able to recover. The general layout of a protection system may be viewed as given in the following figure. Sf6 gas superior dielectric properties used at moderate pressure for phase to phase and phase to ground insulation preferred for voltage ratings of 72. Integrated gasinsulated switchgear up to 420 kv modular gis in prefabricated housing integrated gasinsulated switchgear is a predesigned, standardized and fully integrated configuration based on abbs. The central element of a switchgear bay within the gasinsulated switchgear is the singlephase encapsulated circuit breaker. Replacing sf6 in electrical gasinsulated switchgear.
On the other hand, an increasing population of service aged gis equipment has reached its originally projected lifetime. The siemens 8db10 gasinsulated switchgear model suits to doublebusbar applications, the 8da11 and 8da12 single and double pole design is for traction power supply systems. The gas insulated switchgeargis hgis is composed of the major equipments used in a substation such as circuit breaker, disconnector, earthing switch, voltage transformer and surge arrester in a grounded metallic enclosure. The new gas insulated loadbreak switchgear ring main unit thus combines the sustainability of the blue gis portfolio with the benefits of the proven 8djh product family. During operation, the 400 kv outdoor switchgear with 20 panels will be gradually stripped down in the coming years. Siemens gasinsulated mediumvoltage switchgear 8djh 12blue gis.