It comprises an enclosure containing all the required mv switchgear, distribution transformer, lv switchboard, connections and auxiliary equipments. Technical specification for secondary substation earthing. Safely isolates secondary control circuitry from the high voltages or currents transformer is connected to the high current circuit, and the meter or relay is connected to the secondary circuit two common types of instrument transformers are. Prefabricated compact substation unit ewt transformer sdn. Preve 1 schneider electric industries sa, grenoble 38v varces site, fr38760, varces allieres et risset, france 2 schneider electric industries sa, elvim site, 55th km athenslamia national road, gr32011, greece. Compact substations are used for energy transformation in secondary distribution network from mv to lv or lv to mv.
The abb group of companies operates in around 100 countries. The cids is a compact fully integrated outdoor package substation with medium voltage equipment, transformer, and low voltage equipment. Thanks to its compact dimensions, it can be easily installed in new local transformer substations, and is. Since the 1960s css have gained worldwide use in distribution networks. Monitoring, controlling and automation of secondary. Terra 10 layout can accommodate up to 20 nh3 size fuselists. Transmission, sub transmission and distribution substation 4. Emobility storage ecoflex ehouse hpc solution sheet.
The offered products are manufactured using high quality raw material and advanced technology in synchronization with international standards. Pdf compact secondary substation in a future medium voltage. Type tested, ready to install non walkin compact secondary substation css in concrete enclosure, for 800 kva transformer, 5 panel 12 or 24 kv gas insulated switchgear. Substation design manual i reference ni000401r121 ver 2 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 approval date revised by 1 initial version 250320 draft 2a. Compact secondary substation in grp enclosure unipackg. The critical situation is characterized thereby, that no consumption and the maximum of. Request for quotation form css10m css20m mercury rectangular compact secondary substation, cssm 12kv 36kv up to 2000kva id.
They are designed to be compact for travel on public roads, and are used for temporary backup in times of natural disaster or war. Electric utilities via inplace elevation of substation structures and equipment pdf. Unisec css for compact secondary substation tested according to iec 62271202 ed. C i r e d 21st international conference on electricity distribution frankfurt, 69 june 2011 paper 0405 paper no 0405 14 compact secondary substation in a future medium voltage distribution network. To utilize the zone concept in a future mv distribution network, the compact secondary substation css becomes key nodes. Distributor channel partner of compact substation package substations compact substation, unitized substation, 160 kva compact substation and 250 kva compact substation offered by power line electric india p limited, ghaziabad, uttar pradesh. Abbs pass hybrid switchgear enables substation refurbishment in four days for hydropower plant. Federal pacific drytype substation transformers an ideal choice for new or existing installations. Unipack compact secondary substations css up to 36 kv. Design of an ultra compact distribution substation p. Cable entries and earthings for secondary substations and. Prefabricated compact substation unit ewt transformer. Unipackg compact secondary substation in grp enclosure abbs electrical equipment expertise combined with the convenience of a cutting edge housing material, glass fiber reinforced polyester the new unipackg types of secondary substations are designed based on a glass fiber reinforced polyester grp enclosure material that provides the.
Switchgear type 8djh compact for secondary distribution. Introduction compact secondary substations css became practical when distribution utilities transitioned from overhead power lines to underground cables. Compact secondary substation in concrete enclosure cssinc. The mv distribution network consists of a large number of components over a wide area from various manufacturers. Gas insulated substation definitions and basics course no. Skid mounted compact transformer substation the skid is made of galvanized metal, highly resistant to oxidation and attacks by external agents under heavy duty conditions.
Compact substation, unitised substation, css, power. The compact secondary substation vital for smart grid a utility has a significant number of csss, geographically spread over its entire supply area. Distribution automationsecondary substation design guide. Compact secondary substation ht panel exporter from. Secondary substations css and describe how new design. Thanks to its compact dimensions, it can be easily installed in new local transformer substations, and is the ideal retrofit switchgear for existing compact substations. Mt compact secondary substation css is tested assembly comprising an enclosure containing medium voltage mv switchgear, distribution transformers, low voltage lv switchboards, connections and auxiliary equipment. A compact substation is generally an outdoor substation built in a metal enclosure, in which. Transformer css is designed and manufactured for installation of dry or oil type. An atc uses a cable connection on either the primary side, secondary side or both, and is placed between the transformer and the remotely mounted primary or secondary equipment. Css is a type tested and arc tested assembly comprising an enclosure containing medium voltage mv switchgear, distribution transformers, low voltage lv switchboards, connections and auxiliary equipment to supply low voltage. One of the levels where the benefits can be of greatest value is within medium voltage mv distribution level.
It is not foreseen to have a fire extinguisher as the substation is without crew. The package substation is completely manufactured and assembled ready for installation on site. The secondary unit substations compact design reduces rigging and hauling costs and requires less installation space, while simplified accessories reduce. Abbs pass hybrid switchgear enables substation refurbishment in four days for hydropower plant duration.
The compact secondary substation css will be a key node here. Compact secondary substations draft modular systems abb. It ensures a high level of protection against access to live parts with a protection. 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. Design, manufacture and of compact substation of 11kv415 volts, equipped with 2000 kva cast resin transformer, 4 way 11kv ring main unit consisting of 2 nos. Transformers are available in three phase ratings from 11212 kva to 0 kva. Unipack compact secondary substations css upto 36 kv for. Description unipackg compact secondary substation spica layout max power kva type of layout spica 10n rated voltage up to 24 kv short circuit withstand current of internal earthing network 20 ka1s overall dimensions lxwxh 3000 x 2470 x 2460 mm weight of substation excluding transformer approximate 2 tons.
Abb is a global leader in power and automation technologies that enable. Compact substation abb schneider compact substation. Due to their compact and optimised construction, these secondary substations can even be placed on small plots of land. Compact secondary substation ht panel exporter from ghaziabad.
Compact secondary substation in a future medium voltage distribution network. From the beginning, the corrosion properties were one of the key aspects in the development. Abb is a global leader in power and automation technologies that enable utility and industry customers to improve. The secondary substation is the interface between the medium voltage mv and low voltage lv power system. Mt css is designed for energy transformation in secondary distribution network from mv to lv or lv to mv systems. Css is a type tested assembly comprising of an enclosure containing a medium voltage switchgear, a distribution transformer, a low voltage. Ewt prefabricated substation unit is one of the most economic, convenient, effective equipments and friendly solutions easy and safe to operate substations. Low voltage side is equipped with lvs concept switchboard. This paper will deal with the next generation of compact.
The power system was designed for a unidirectional power flow from the power plants to the endconsumer over different voltage levels. Compact secondary substation in grp enclosure unipackg spica. Compact substation the css are designed, manufactured, fully assembled, wired and operationally tested in our workshops, therefore site works are minimal. The css are compact and consist of power factor correction equipment, ring main unit load break switch, circuit breakers, switchboards and dry oil type transformers encased in robust. Unit substation transformer secondary unit substations eaton. New design philosophies with compact secondary substation. Secondary unit substations secondary below v eaton. The current unipower production programme includes a wide range of transformers for various applications. Unipack compact secondary substation css steel housing. Abb library is a web tool for searching for documents related to abb products and services. A small switching station may be little more than a bus plus some circuit breakers. Compact secondary substations css became practical when distribution utilities transitioned from overhead power lines to underground cables. The enclosure is divided into three compartments, one for the mv switchgear, lv switchboard and the distribution transformer each.
Abb library sheetmetal compact secondary substations. Smart grid technology manifests itself within all levels of electric energy supply. May 25, 2015 abb compact secondary substation eagle news spot. It comprises an enclosure containing all the required mv switchgear, distribution transformers, lv switchboards, connections and auxiliary equipment. Compact secondary substation in concrete is mounted on a previously prepared reinforced concrete surface. This has traditionally led to relatively long response times for outage recovery and scarce overview in the operating conditions in a large distribution network. Monitoring, controlling and automation of secondary substation 2011 jens werner seite 7 it is obvious, that the feedin of the dg increase the voltage, a breach of the voltage threshold values is possible. Manufacturer of compact substation abb schneider compact substation, 11 kv abb compact substation, 12 kv compact secondary substation and abb 36 kv compact secondary substation offered by chirag techno electricals co. Preparation of the reinforced concrete is done according to the type design or according to instructions for terrain preparation. Monitoring, controlling and automation of secondary substation. Cts containerized compact substation is designed to comply with european and international standards for medium voltage and low voltage switchgears ieccei.
Compact secondary substations css unipack compact secondary substations. Ccvv dv ccv drytype transformer n drytype transformers can be provided with css up to 24kv advantages of drytype transformer. 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. Cahors medium voltage divisions compact secondary substation css concept is a tested assembly for applications where power is transformed from mv medium voltage to lv low voltage systems. Urban substations are usually built in brick, whereas rural ones are often installed externally directly on the mv pylon. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Secondary distribution switchgear secondary distribution. In its extensible version, it becomes a fully modular switchboard suitable for industrial applications including. Abb compact secondary substation eagle news youtube. Iec concrete compact substation spica 8ng abb group. The cisco distribution automation secondary substation cisco validated design cvd, which is documented in this cisco distribution automation secondary substation design guide, provides a comprehensive explanation of the cisco smart grid fan solution design for secondary substation monitoring use cases, including flisr and volt. Cahors medium voltage divisions compact secondary substation css is a type tested assembly for applications where power is transformed from mv medium voltage to lv low voltage systems.
A substation is a part of an electrical generation, transmission, and distribution system. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. For 36kv compact secondary substation, air insulated switchgear with vacuum circuit breaker can also be offered. Operating pressure in secondary system pn 2 pn 10 compact heat substation is used for controlled heat exchange in district heating systems. In its compact version, it acts as a ring main unit, includes up to five different functions in a single gasfilled tank and can be easily integrated into a substation. This paper presents a new architecture of distribution. Compact substion is a prefabricated, type tested as per latest iec standard 62271202 and css is arc tested assembly comprising an enclosure containing medium voltage mv switchgear, distribution transformers, low voltage lv switchboards, connections and auxiliary equipment to supply low voltage energy from medium voltage systems. Unipack compact secondary substations css up to 36 kv for. The intelligent ring main unit rmu will play an important role in the future mv distribution network as a provider of plugandplay solution with easy scada or dmsconnectivity.
Acknowledged for its features like high performance, durability, less maintenance and easy to operate, this product is highly demanded in the market. Unipackg catalog ecofriendly compact secondary substation for harsh environments. The automated capabilities of intelligent electronic devices. Compact secondary substation in concrete in its construction and equipment characteristics gives enough firefighting safety. All standard primary and secondary voltage ratings are provided to match load requirements to the distribution system. A mobile substation is a substation on wheels, containing a transformer, breakers and buswork mounted on a selfcontained semitrailer, meant to be pulled by a truck. Monitoring, controlling and automation of secondary substations. The compact electrical contain substation equipment often located in a public environment requiring meeting the highest safety standards. Low voltage switchboard can be equipped with din busbars, z busbars or kabeldon type busbars.
The heat exchange is ensured between district heating pipeline system primary system and house and building heating pipeline network secondary system. Utilities via inplace elevation of substation structures and equipment pdf. Offering the proven functionalities of the 8djh family, the. It has 2 doors to access independently the mvlv cabinet and the control panel. Cast resin transformer high reliability and efficiency electrolytic grade copper conductors and copper foils formed as compact coils, voidfree cast in epoxy resin using steel moulds in a vacuum casting plant, ensuring a very low level discharge. Emobility compact secondary substation css skidmounted css with integrated fast charging. It sets new standards with regard to the compactness of mediumvoltage switchgear.
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