5-How to select no, of Bus bar per phase. You may mail me at: [emailprotected], Dear it will be helpful for me too have this reference, [emailprotected] He has published numbers of Technical Articles in Electrical Mirror, Electrical India, Lighting India,Smart Energy, Industrial Electrix(Australian Power Publications) Magazines. Sir, can I have reference about the Derating factor K2 (insulating media) I. E. what is the source of it. its a typographical errorshould be As per IS standard, the Al bus bar should carry 0.7 to 0.8 A per cubic milli meter and Cupper should carry 1.2 Amps per cubic milli meter. Zinc (ZN) Up to .25 %, Forming: GOOD Our machining centers allow us to manufacturesimple orcomplexdesigns, and our skilled team ensurestimely, error-free delivery. Silicon (SI) 0.4 - 0.8 % In future pls forward the useful eletrical calculation to my mail id. My T1= 40 Deg cel, I1= 4055 Amp, I2= 4000 Amp , T2= ? (PART-1), Measurement of LUX Level and Uniformity at Indoor and Outdoor Lighting(Part-3), Measurement of LUX Level and Uniformity at Indoor and Outdoor Lighting(Part-2), Measurement of LUX Level and Uniformity at Indoor and Outdoor Lighting(Part-1), Difference between Fault Current and Short CircuitCurrent, Method for Installation of Conceal & Surface Conduits(Part-2), Method for Installation of Conceal & Surface Conduits(Part-1), Method for Wrapping Coating & Holiday Test for Fire FightingPipe, Method of Statement for Fire Fighting Works(Part-2), Method of Statement for Fire Fighting Works(Part-1), Method for Installation of DB orPanel-(Part-2), Method for Installation of DB orPanel-(Part-1). Is operating and Final Temperature of Bus bar during Fault are same for Aluminium and Copper can you mail me copy of Indal text book and Thomas & rata text book if you have. galvanized iron is used as earthing bus bar. .250" X 3.00" (JX-154) Let me know the factors reference for PVC sleeve & matt black painted busbar. in solid copper bar very little of the current actually flows down the centre of the bar and the majority of the current flows along the edge. Custom cuts available. He is Freelancer Programmer of Advance Excel and design useful Excel base Electrical Programs as per IS, NEC, IEC,IEEE codes. Chromium (CR) 0.04 - 0.35 % Sydney - NSWMelbourne - VICAdelaide - SAPerth - WA. therefore the greater the surface area the more current the conductor can carry. Enter your email address to follow this blog and receive notifications of new posts by email. 1.50", .25" x .25" Very use ful information you have given to us. .125" X 2.00" (JX-47) These bus bars are manufactured from iron and they will be galvanized. .125" X 1.00" (JX-23) Kindly confirm the name of the standard followed by you to arrive at the formulae defined above and how shall be the approach to calculate for DC currents. Hi Also aluminium has the less current-carrying capacity as compared with copper. Copy2018-2021 | Zhejiang RHI ELectric Co.,Ltd . He is FIE ,MIE and CEng from Institution of Engineers,India. Consider the same bus bar size of 100 sqmm x 10 mm thickness, hence the total current carrying capacity would be 600Amps for the 10010 mm busbar. 20 Gauge - .032" Thick .375" X 3.00" (JX-997) Storm Power Components. Final Temperature of Bus bar during Fault(1)=185C. How is bus design affected with a center fed approach as opposed to a top fed approach? It has excellent electrical conductivity and is easy to form and work. to EN 60228, CLASS 6 Bare Copper Conductors Acc. DESIGNERS. This was exploited by switchgear manufacturers in the early 80s and they used busbars that was aluminium in the centre with a skin of copper. Area is to be computed as = 500 A / 1000A/ square inch= 0.5 square inch August 5, 2014 : Calculated Maximum Temperature Rise (T2)=35/(Log(697/630)1.64). In practically, Busbar means a conductor, which allows both Alternating current and Direct current that all. But performance/cost is high in aluminium bus bars. dear sir , 5-How to select no, of Bus bar per phase. so; Use 1 leaf of 1/2 x 1 size copper busbar and since 1/2 thick busbar are difficult to bend, better use 2 leaf of 1/4 x ! bus bar. 1- How to select Al Bus bar (Info of Al Bus bar Material ) Titanium (TI) Up to .15% He wants to Share his experience & Knowledge and help technical enthusiasts to find suitable solutions and updating themselves on various Engineering Topics. to ASTM, CLASS 2 Nickel PLated Copper Conductors Acc. .250" X 2.00" (JX-29) Custom sizes available upon request. .197 x 1.57 - 5 x 40 mm (JX-1042) Yes no where any standard and reference has been mentioned. Dear Sir, CAN I USE HALF GRADE COPPER BUS BAR 15X100 MM FOR 2500AMPS AC 50HZ. I need more elaboration on the temperature rise calculation. It is a very usefull calculation, which could serve my present requirement. so what would be a main incommer. The aluminium bus bar is cheaper than copper busbar, but the resistivity of the aluminium busbar is high as compared with copper busbar. He is member of Institution of Engineers (MIE) and CEng,India. As per which IS/IEC standard is this calculation performed?? I am not able to get the answer 30 in the given example. .250" X 5.00" (JX-421) Actually the current will be divided by derating factor. 2-How to compare Al and Cu Bus bar to select for same rating. .50" Is this because of economical factor or any technical advantage is there.? If you need a part developed to test its performance, we can create a prototype to your precise specifications allowing you to review its effectiveness with your application. We have updated the latest edition of our catalogue for 2021. According to which IEC standard is performed this calculation? .625" Which standard reference you have considered ? Please clarify Yield strength 11023 psi 1.0" x 1.0" 18 Gauge - .040" Thick Please acknowledge receipt. The copper has high conductivity and low resistivity. Sydney - NSWMelbourne - VICAdelaide - SAPerth - WA, Please select your nearest branch And 1 question Ihave small power plant with 1 set 500 kva cat,365 kva cat, n 100 kva cummin eng I want to built synchronize both of thre genset for safe operation and load sharing.best regard Bambaang Yuwono. Dear Sir, He is Technical Blogger and Familiar with English, Hindi, Gujarati, French languages. Silver busbar current Carrying capacity = 1.6 * Busbar width * Thickness in Amps. The content inelectricalnotes.wordpress.comis for personal, non-commercial use only. how to calculate Resistivity of copper bus bar. Note: Brown and Sharpe is the standard used to measure the copper sheet gauge. Temperature rise of Bus Bar Bar during Fault (t=1-)=100C. We specialize in high-qualitycopper bus bar&aluminum bus bar, produced onstate-of-the-art equipment. Munavar. The art of juggling a myriad of vendors, transit schedules, production timelines, and material availability .500" X 3.00" (JX-910) .375" X 5.00" (JX-996) Is there anything else we have to know. Also, the current-carrying capacity of the silver busbar is higher than the copper, aluminium, iron, and GI. But tin-coated copper can be used in a high moisture area. Copper Alloy C11000rod has a minimum of 99.9% pure copper. to ASTM, Tin Plated Copper Conductors Acc. Manufactured to ASTM-B188-02 with diameters ranging from .50" to 3.00" in 20 ft. lengths. Current Rating of Bus bar after De rating Factor (I1)=6300.9 Pl.provide us design calculation for AMF Panel bus bar size Both three phases & one neutral ,we have three DG Set which are 500KVA each and controlled by 800A / 1600A ACB with protection, IT IS A VERY USEFUL CALCULATION FOR SELECTING THE BUSBAR. Hitesh parikh What is the Bus bar Material Permissible Strength: for aluminium. Is there anything else we have to know. to EN 60228, CLASS 6 Nickel PLated Copper Conductors Acc. How can the product of these three dimensions be area, it can be only volume; Please clarify. TM Care, U-SHAPED WITH OVERLAPPING FRONT COVER TYPE, ENGINE, ENGINE COMPONENTS AND AUXILIARY EQUIPMENT, ELECTRICAL PROTECTION AND INSTRUMENTATION, GENERATOR SET CONTROL BOARD AND GENERATOR SET CONTROLLERS, TEST, TEST INSTRUMENTS AND TEST CERTIFICATES, SHOP DRAWINGS, AS-INSTALLED DRAWINGS, MANUALS AND TOOLS, OTHER ITEMS TO BE SUBMITTED WITH THE TENDER, Underground Car Park Smoke Control Design, Project Management Tracking Record (PMTR). to ASTM, CLASS 2 Tin Plated Copper Conductors Acc. 112 Comments, Example: Calculate Size of Bus bar having Following Details. Wed love to discuss your bus bar service and machining needs. Bus bar products are all we do. Will You please give me t Busbar calculation for 1250 Amps, Alluminium, PMCC Panel, Permissible Temp 45 Deg C, InsulatedHeat Shrink Sleeves, Volatge 415 V , 50 Hz, Humid Atmosphere Assam-Noonmati.. Learn more about our copper types, tempers, and alloys, read our Copper Buying Guide. Hi Sir, You have entered an incorrect email address! (many other sizes available): .094" X 1.00" (JX-168) The manufacturer has consider the Busbar size is 10012 mm=1200 sq.mm.copper Bus single. Dear Jignesh, you can not reproduce,republish or communicate any of the content , including files downloadable from this website, without the permission of the copyright owner.The use of this content on any other websites breaches copyright Act. Bus Bars are made up of copper or aluminium or iron or silver or galvanized iron etc. to ASTM, Smooth Bunched Bare Copper Conductors Acc. 4-Please provide bus bar selection chart for AL and Cu Both. Please allow time for the PDF to download! Area of Busbar is mentioned as Width x Thickness x Length.x No.of busbars. Based on the busbar sizing calculation, understood that 1 run of 75X10 mm for phase busbar is sufficient . Cold Working: GOOD to EN 60228, CLASS 5 Nickel PLated Copper Conductors Acc. Dear Sir, I need to know the temperature of a copper busbar and steel pad at 12.5KA ISC fault level for 2 sec. Change), You are commenting using your Twitter account. Thanks for this information, kindly share electrical technical information to us. if we know the size of bus bar or spade? Save my name, email, and website in this browser for the next time I comment. It is called the skin effect. Other sizes may be available with lead time. Iron (FE) Up to 0.7 % really useful info !!! This is very useful technical information which you share Aluminium busbar current carrying capacity = 0.8 * Busbar width * Thickness in Amps. 4-Please provide bus bar selection chart for AL and Cu Both. 2-How to compare Al and Cu Bus bar to select for same rating. 12 Gauge - .080" Thick .312" What is Busbar Current Carrying Capacity Calculation 5 Types of Busbar, 7 Types of Voltage Level ELV LV MV HV EHV Ultra High Voltage, Why in India 11kV, 22kV, 33kV, 66kV, 132kV Correct Answer, What is Balance Load & Unbalance Load EEE Student, Conditions For Transformer Parallel Operation, Mater Trip Relay 86 Working Function and Significance of Master Trip Relay, Definition for Circuit diagram and Common Wiring Scheme-I, Horsepower (HP) to Current (Amps) Conversion Chart, Hp to kW Conversion Calculator Convert Horsepower to kilowatt, What is MPCB, Working, Construction, Types, Application, Standby Earth Fault Relay 51N, Operation, Construction, What is Normally Open & What is Normally Closed [Video Included], AC DC Full Load Current Calculation Formula, Top 6 Difference Between Copper and Aluminium Cables. sir kindly show me the calculator of selection switch gear and cable size, Dear Jignesh .394 x .787 - 10 x 20 mm (JX-898) Could u please share the derivation for that formula to calculate area of busbar as per the short circuit capacity please. Thus u have calculated for aluminium or copper. 3-Any thumb rule is there to select bus bar size quickly. Melbourne03 9409 8500 Dear Jignesh, .394 x 1.57 - 10 x 40 mm (JX-1043) Current Rating of Bus bar after De rating Factor (I1)= 0.9*630 = 567 or 697 ??? These are not suitable for high moisture are. Electrical & Electronic Engineer,KUET hard drawn tube or pipe is a critical component in electrical power transmission and distribution at electrical substations and industrial power installations. Sharing Abstracts,Notes on various Electrical Engineering Topics. Powered by WordPress | Theme by Vivi, Bakti Terakhir Anak Soleh Kepada Ibu Bapa Di Dunia, Keajaiban Selawat Ke Atas Nabi Muhammad S.A.W, Ustaz Azhar Idrus Tazkirah Jangan Sombong, Nama Penerima Daging Korban 2018 M / 1439 H, CIDB PENGKHUSUSAN KATEGORI MEKANIKAL (ME), CIDB PENGKHUSUSAN KATEGORI ELEKTRIK (ME), Kelengkapan Penyaman Udara Untuk Kuarters, General Calculation Lighting per Square Metre, Guidelines For Identifying Energy Saving Opportnities, PERCENTAGE OF CLAIMS FOR ELECTRICAL WORKS, SENARAI KOD BIDANG MENTERI KEWANGAN (MOF), Parameters to Be Monitored by the SCADA System, CHECKING & TESTING ELECTRICAL INSTALLING WORK, Checking, T & C of Electrical Installing Work, Bantuan Banjir Ke Bera-Pahang. He wants to Share his experience & Knowledge and help technical enthusiasts to find suitable solutions and updating themselves on various Engineering Topics. 1.00" EMS offers a variety of bus bar sizes and specifications (see chart below). Designed and Developed by Turnkey Digital. What will be the magnitude of current of one 1600 KVA 3 phase Transformer at its LV winding side. Richmond, IL 60071 USA, 2019 EMS Industrial & Service Company Operating Temperature of Bus bar ()=85C. Seamless electrically-conductive copper bus tube, a.k.a. All Rights Reserved | Privacy Policy 16 Gauge - .050" Thick Experience on power Distribution,pharmaceutical,Food & Beverage Production Machineries. which standards are applicable to this calculation. You are doing a great service yo practicing engineers.After all, teaching is a noble way of serving the people. Bus bar is a metallic strip or conductor shaped in square or rectangle or anywhich is used in the major electrical panel such as MCC (Motor Control Circuit), PCC (Power control circuit), MLDB (Main Lighting Distribution Board) etc. I have worked in a panel manufacturing company for three years, the standard current carrying capacity of the Copper busbar is 1.2 times its product of width and the thickness. Learn how your comment data is processed. RHI will participate the fair of Shenzhen International Lithium Battery Technology Exhibition 2019. .375" Thick. Cannot be heat treated and is not recommended for machining. .250" X 4.00" (JX-40) Thank you . Current Rating of Bus bar after De rating Factor (I1)=697Amp, I have some doubts in your bus bar sizing calculation sheet. Ideal for use in electrical applications such as bus bars, connectors and gaskets. Bus bar sizes - thicknesses & widths are listed in the table below. For Indoor installation with poor ventilation, k6 to be 0.65,0.6 & 0.5. Change), You are commenting using your Facebook account. Take the same busbar of 100mm wide and 10 thick, the current carrying capacity of the aluminium busbar is 800 Amps. Deg cel with the given formula. As aglobal fabricator of electronic components, Storm maintains a vast inventory of copper barstock acquired in bulk purchases direct from the mill. Other sizes may be available with lead time. As per Is code , what is current carrying capacity of aluminium busbar and copper busbar per sqmm. to ASTM, Smooth Bunched Tin Plated Copper Conductors Acc. Desire Maximum Current Rating of Bus bar =630Amp. Gold and Silver bus bar is used in high conductivity applications. to EN 60228, CLASS 5 Bare Copper Conductors Acc. Generally, these busbar used in trolleys, tractions, unloader etc. Width of Circuit Breaker terminal = 1 inch because i dont know about the bus bar size mean, how could i find the bus bar rating with a only amps. (LogOut/ He is Technical Blogger and Familiar with English, Hindi, Gujarati, French languages. Thank u sir, this will help me a lot in my field of job, Power distribution load centers generally have 2 methods of current supply. They are mainly used in the high current junction like breaker joint, male & female contact operation, frequency converters etc. Galvanised busbar current Carrying capacity = 0.6 * Busbar width * Thickness in Amps. Could you help me to forward the cu bus bar-bar dimensions(wdth x thknss ) for 1000Amp, 500Amp, 300Amp, & 200Amp Bar . .394 x 3.15 - 10 x 80 mm (JX-1036) Copper is having high current carrying capacity. you do not need to use 2 leaves of 1/4 x 1 bus bar. Sir, what is the material constant for aluminium busbar K=? Confirm temperature inside outdoor Metering panel when carrying full load current at an ambient of 40 Deg.C. Best regards. All calculation above mentioned are nice i got result same as you, but in TEMPERATURE RISE CALCULATION how would you get 30 deg.C as maximum temperature rise.