Nonsegregated and segregated phase bus systems bus bar. Nonsegregated phase bus a wide range of fittings duct is an assembly of bus conductors with associated connections, joints and insulating supports confined within a metal enclosure without inter phase barriers. Nonsegregated phase bus duct is available for voltages ranging from 600v through 38kv with ampere ratings up to 6000 amps. These are metal enclosed busducts wherein all the three phase busbars are enclosed in a common enclosure and the all the phases are segregated by means of nonmagnetic metal barriers preferably made of the same materials as that of the bus enclosure with degree of protection ip65. Routine maintenance of a non segregated bus duct system is critical to the overall health and functionality of a power generating station. The transformer termination box must have bus risers to within 8 on top of cell or the bus ducts manufacturer must supply a steel box and add cost of flex braid for connecting bus duct to transformer bushings. Non segregated phase bus duct non segregated phase bus is an assembly of bus conductors with associated connections, joints, and insulating supports confined within a metal enclosure without interphase barriers. Routine maintenance of a nonsegregated bus duct system is critical to the overall health and functionality of a power generating station. Non segregated phase bus duct is available for voltages ranging from 600v through 38kv with ampere ratings up to 6000 amps. It is an alternative means of conducting electricity to power cables or cable bus originally a busway consisted of bare copper conductors supported on inorganic insulators, such as porcelain. Metal enclosed nonsegregated phase bus duct 600v and above. These are metal enclosed busducts wherein all the three phase busbars are enclosed in a common enclosure and the all the phases are segregated by means of non magnetic metal barriers preferably made of the same materials as that of the bus enclosure with degree of protection ip65. The difference between nonsegregated and segregated bus systems the bus duct system is the main conduit for power distribution in a power generation facility. Ge industrial solutions metal enclosed nonsegregated bus.
Standards and applications of medium voltage bus duct. Non segregated bus duct is bus where all the phase bars are in one common metal enclosure with no barrier between phases. The bus duct in this specification are designed, manufactured and tested according to latest revision of the following standards unless otherwise noted. Isolated phase bus systems from technibus are used exclusively for main generator leads where minimal external electromagnetic fields and maximum phase to phase fault. The metalenclosed nonsegregated phase bus runs are designed for 635 v, 5 kv, 15 kv, 27 kv and 38 kv service in accordance with ansi c37.
Non segregated bus duct requires a more costly transformer. Type lx bus duct is suitable for use on low voltage systems voltage up to 600 volts, while type mx bus duct is suitable for use on medium voltage systems voltages up to 15,000 volts. Isolated phase bus ducts ipb isolated phase busducts ipb with air insulation. Developed for the most demanding industrial and power generation environments, azz nonsegregated phase bus duct represents an innovative design that provides effective system performance thats costeffective and low maintenance. Nonsegregated phase bus duct is designed for inter connecting groups of metal enclosed or metalclad switchgear, power transformers or other. Nonsegregated phase bus a wide range of fittings duct is an assembly of bus conductors with associated connections, joints and insulating supports confined within a metal enclosure without interphase barriers. Segregated and non segregated bus duct our three phases, metalenclosed, segregated and non segregated phase busses are custom designed to meet the low and medium voltage requirements in addition to the specific continuous and shortcircuit current of generating stations, substations or industrial power distribution systems. Segregated and nonsegregated bus duct our three phases, metalenclosed, segregated and nonsegregated phase busses are custom designed to meet the low and medium voltage requirements in addition to the specific continuous and shortcircuit current of generating stations, substations or industrial power distribution systems. Power loss computation in high current generator bus ducts. In electric power distribution, a bus duct also called busway, is a sheet metal duct containing either copper or aluminium busbars for the purpose of conducting a substantial current of electricity. This bus can be used in reduced space and is also designed for ac or dc excitation leads in power plants or for industrial applications where severe conditions can cause problems to the electrical equipment. Rms energy is a nationwide electrical consulting and construction firm that helps power generation and distribution systems to operate at peak efficiency. Bus duct supports shall be indoor trapeze type outdoor column type with base plates for attaching to purchasers foundations kneebrace type for wall mounting. Bus bar insulation extruded from lexan resin in the form of tubing is a high temperature thermoplastic material having excellent dielectric and mechanical properties.
Non segregated phase busducts is the same as spb mentioned above without phase barrier. Nonsegregated phase bus duct nonsegregated phase bus duct. Types lx and mx bus duct are non segregated phase bus duct in accordance with ansi c 37. One in which all phase conductors are in a common metal enclosure without barriers between the phases. Nonsegregated phase bus duct eaton busduct provides flexible power distribution solutions for a variety of applications where change and adaptation are important. Eaton nonsegregated phase bus ductnonsegregated phase product offering product features and benefits bus duct capabilitiesbus duct offers a full range 12005000a rated standard 11 gauge aluminum the nonsegregated phaseof products to meet manydiverse applications continuous current housing provides durability bus duct. Electrical distribution system bus duct manufacturer. When associated with metalclad switchgear, the phase conductors of a noninsulated bus assembly entering the switchgear assembly and connecting to the. Rating 415v, 50hz ranging from 800 amps to 3200 amps low reactance interleaved bus ducts. The nonsegregated phase bus implies a duct where all phase conductors are in a common metal enclosure without barriers between phases. Nonsegregated phase bus has all phase conductors in a common enclosure with an air space between phases. Phase conductors and metal enclosures are both rectangular in crosssection. There is a basic fitting to meet every application need and products are designed to provide an economical system, yet meet the specifications which are the most important. This bus work conveys the power to the different medium voltage switchgears located in the plant.
The transformer termination box must have bus risers to within 8 on top of cell or the bus ducts manufacturer must supply a steel box and add cost of flex braid for connecting bus duct to transformer bushings fire stops. Isolated phase bus products high currents with maximum integrity power generation isolated phase bus ipb is the solution for main generator leads with current ratings from 3ka up to 50 ka. Without a consistent preventative maintenance program in place, power generating stations are subject to an increased risk of. Formoplastic range of bus ducts features our range of bus ducts optional features aconventional non segregated phase bus ducts. The difference between non segregated and segregated bus systems the bus duct system is the main conduit for power distribution in a power generation facility. When associated with metalclad switchgear, the phase conductors of a non insulated bus assembly entering the switchgear assembly and connecting to the. Temperature rise the bus will be capable of carrying rated current continuously without exceeding a. Non segregated phase, segregated phase, and isolated phase.
Powerzone metalenclosed busway 600v 38 kv nonsegregated phase bus feeder runs. Used in power generating stations and industrial applications for lower capacity generator 2. Nonsegregated phase bus ducts nspb these are specific types of nonsegregated phase busducts suitable for generator outlets with a short circuit impedance of 100503s or 633s. Powerzone metalenclosed busway documents and downloads. Bus nonsegregated phase bus cable bus segregated phase bus. Ge industrial solutions metal enclosed nonsegregated bus duct. Introduction mp husky cable bus systems are engineered and manufactured for superior reliability as well as to utilize less conductive material, providing signi cant savings versus nonsegregated phase bus duct, conduit and wire, and other electrical feeders. Rating 415v, 50hz ranging from 800 amps to 3200 amps blow reactance interleaved bus ducts. Nonsegregated phase bus duct the nonsegregated phase hus duct anufacturing facility in greenood, sc, is ahle to eet your eergency or. Shortcircuit current withstand ratings the metalenclosed non segregated phase bus runs are designed to withstand electrical and mechanical forces generated. Nonsegregated phase bus is an assembly of bus conductors with associated connections, joints, and insulating supports confined within a metal enclosure.
For non segregated bus duct we can offer ul listed equipment, along with seismic certifications and oshpd. A bus duct transmission line consists of either a segregated or a nonsegregated airinsulated threephase system. Welcome to technibus as a global leader in isolated phase, nonsegregated and segregated bus products, technibus supplies systems for a wide range of applications and markets. Segregated bus duct systems house 3 phase conductors in a common. Designed for use on circuits whose importance requires greater reliability than power cables provide, the bus medium voltage bus is. For long length of low voltage nspb, the voltage drop is very significant and hence special designs are being made to reduce. The power series for non segregated phase nspb systems boasts a maximum range of 5 ka. The uats secondary windings are connected to the nonsegregated phase bus duct or nonseg bus. Download our 11x17 brochure to read more about our total capabilities, including inspection, maintenance, installation and monitoring services on isolated phase bus, cable and non segregated bus systems. For over 30 years, eatons nonsegregated phase bus duct has been designed to meet specific installation requirements for reliable power distribution. This includes power generation, petrochemical, industrial, medical, military, water technologies, and many others.
Nonsegregated phase bus is an assembly of bus conductors with associated connections, joints, and insulating supports confined within a metal enclosure without interphase barriers. The power series for nonsegregated phase nspb systems boasts a maximum range of 5 ka. Without a consistent preventative maintenance program in place, power generating stations are subject to an increased risk of failure, leading to costly, unplanned outages. Nonsegregated phase bus custom bus duct solutions developed for the most demanding industrial and power generation environments, azz nonsegregated phase bus represents an innovative design that provides effective system performance thats costeffective, low maintenance and ensures greater reliability than power cables provide. The miniphase bus duct is specifically designed for reduced space. Scribd is the worlds largest social reading and publishing site. With a focus on innovation and customer dedication, our metal enclosed bus bar systems are custom. There are no metallic barriers between phase conductors of adjacent phases. Ge industrial solutions metal enclosed nonsegregated bus duct description nonsegregated phase bus duct is designed for interconnecting groups of metalenclosed or metal clad switchgear, power transformers or other related equipment. Custom designed, totally enclosed nema 3r class nonsegregated phase bus duct systems for a variety of applications and environments. The isolated phase bus ipb duct system is an inert system with no moving parts. In addition, the miniphase bus duct is a very competitive product where. White paper nonsegregated bus systems and critical. Please consult us for the specifications other than those listed above.
Developed for the most demanding industrial and power generation environments, azz nonsegregated phase bus duct represents an innovative design that provides effective system. In addition, the mini phase bus duct is a very competitive product where multiple cables per phase are required. Custom designed, manufactured and tested busbars to ansi c. Nonsegregated bus duct requires a more costly transformer. Nonsegregated bus duct is bus where all the phase bars are in one common metal enclosure with no barrier between phases. Non segregated phase bus duct gfm series non segregated phase busduct is utilized for the circuits of generator sets, main between hydroelectric generators and transformer units. Metal enclosed non segregated phase bus duct 600v and above.
The mini phase bus duct is specifically designed for reduced space. Nonsegregated phase bus duct gfm series nonsegregated phase busduct is utilized for the circuits of generator sets, main between hydroelectric generators and transformer units. Our design can be used for ac and dc excitation leads in power plants or in industrial applications where severe conditions can cause problems to the electrical environment. Because of its compact dimensions, relative light weight and userfriendly design, nonsegregated phase bus duct is easy to install. Eaton corporation cutlerhammer nonsegregated phase bus duct technical data td01702001e effective.
Miniphase isolated phase bus duct abb industrial solutions. Non segregated phase bus has all phase conductors in a common enclosure with an air space between phases. Non segregated phase bus a wide range of fittings duct is an assembly of bus conductors with associated connections, joints and insulating supports confined within a metal enclosure without inter phase barriers. Rating 415v, 50hz ranging from 3200 amps to 5000 amps segregated phase bus duct. Introduction mp husky cable bus systems are engineered and manufactured for superior reliability as well as to utilize less conductive material, providing signi cant savings versus non segregated phase bus duct, conduit and wire, and other electrical feeders.
These are metal enclosed busducts wherein all the three phase busbars are enclosed in a common enclosure and the all the phases are segregated by means of nonmagnetic metal barriers preferably made of the same materials as that of. As with all materials, effects of the environment in the application and cleaning should be considered. Please specify the scope of supply for the options such as wall busing in the specification sheets. Nonsegregated phase bus duct designed for efficient, longterm power connections. Nonsegregated phase busducts is the same as spb mentioned above without phase barrier. Non segregated phase bus duct eaton busduct provides flexible power distribution solutions for a variety of applications where change and adaptation are important. Generally, there are two types of bus installations used in medium voltage applications. Rating 415v, 50hz ranging from 3200 amps to 5000 amps c segregated phase bus duct. Because of its compact dimensions, relative light weight and userfriendly design, non segregated phase bus duct is easy to install. To supply such systems, the bus duct manufacturer had to know where the duct penetrated fire separations required to have a fireresistance rating.
Rms energy is a nationwide firm with key personnel located in strategic areas of the country. The design of non segregated bus runs has been tested per ansi c37. Ge industrial solutions metal enclosed non segregated bus duct description non segregated phase bus duct is designed for interconnecting groups of metalenclosed or metal clad switchgear, power transformers or other related equipment. In this plant design there are two sets of switchgear buses rated at 6. Rating 415v, 50hz ranging from 3200 amps to 5000 amps csegregated phase bus duct. In bus insulation bus bar insulation extruded from lexan resin in the form of tubing is a high temperature thermoplastic material having excellent dielectric and mechanical properties. Certification of momentary current testing, impulse testing and heat rise are available upon request. This type of duct is used primarily for the outlet of generator outputs at current levels as high as 28 ka and voltages of 36 kv. No earth bar is required due to cast resin insulation instead of a metal enclosure technical data mvrmb medium voltage busduct 3.
Nonsegregated phase bus is an assembly of bus conductors with associated connections, joints and insulating supports confined within a metal enclosure without. Nonsegregated phase, segregatedphase, and isolatedphase. Segregated bus duct systems house 3phase conductors in a common. Download our 11x17 brochure to read more about our total capabilities, including inspection, maintenance, installation and monitoring services on isolated phase bus, cable and nonsegregated bus systems. Plugin segregated phase bus duct is available for voltages ranging from 600 volts through 38kv, with ratings up to 8000 amps. These are generally used for low voltage application for interconnection between lv equipments like transformers, switchgears etc. For nonsegregated bus duct we can offer ul listed equipment, along. Non segregated phase bus ducts nspb these are specific types of non segregated phase busducts suitable for generator outlets with a short circuit impedance of 100503s or 633s. Nonsegregated and segregated phase bus systems bus bar for. Bus duct manufacturer electrical distribution system bus. We are a reputed entity in the industry, actively engaged in offering an optimum quality range of nonsegregated phase bus duct.