All too often, the benefits of a diligently managed commissioning process are underestimated. Electrical Fault supervision, analysis and . Ready to learn more? Testing and Commissioning Method Statements, Commercial & Finance Management Procedures, ACS Access Control Electronic Security System Installation & Testing Method Statement, Method Statement for Piling Work using the Diesel Hammer, Steel Bar Reinforcement Rebar Fabrication and Installation Method Statement, SWMS Safe Work Method Statement for Electrical Conduit Installation Prior to Pouring Concrete, Method Statement For Testing & Commissioning. The Inspection request with all relevant documents to be sent to Main Contractor for review and inspection. Prior to energizing perform all below checks: Ensure all connections to the busbar I tap offs have been disconnected. %PDF-1.7 % www.utilityproducts.com is using a security service for protection against online attacks. \kwnzlr2Z^/zaw{Vvh"4D[S5/D m{6}#* D/p.Fp6DGzex0Gp>SAzZLrdXV%@D\'$p:iVjgWKX2Sz]~9;>4;=4\Q}7NtR s3Wcd2ds8[OHg?Zg6cbRQS"b{bR~}~Z_.uK7 This course gives you a detailed explanation of different power system elements. Three of the most important tests performed on the busbar are the High Potential or Hipot Test, Partial Discharge Test, and the Insulation resistance test, also known as a Megger Test. Each Busbar piece has been Meggered After Installation? If significant arcing occurs regularly, it can greatly accelerate the erosion of the insulation and may lead to inefficient power transfer or total failure of the insulation system. A double headed torque indicating bolt is provided to ensure that proper installation torque is achieved. Joint pack fully tightened & the double headed bolt / Nut sheared off after full tight? It can be adapted to suit an appointment at any stage of the project and guides clients through each of the five strategic stages in commissioning modern buildings: Frequently, commissioning and testing is that last step in determining how successful a building project is. Joint side plates are not overlapping the stud. Here you will learn all thing about MV Switchgears. Participate and perform Integration testing and commissioning, Coordination of internal resources and external partners (contractors) and clients for testing. Insulation resistance will be carried out by IR tester at DC 1000 Volts to ensure that the system is free from short circuits and grounds. REB611 is used in high-impedance-based applications within utility substations and industrial power systems. 348 0 obj <>/Filter/FlateDecode/ID[]/Index[323 62]/Info 322 0 R/Length 118/Prev 964785/Root 324 0 R/Size 385/Type/XRef/W[1 3 1]>>stream REB611 is a dedicated busbar protection relay designed for phase-segregated short-circuit protection, control, and supervision of single busbars. Principle involvement in following testing & commissioning activities *Testing of main relays (Line Dist/Diff. All Rights Reserved DUNS: 62-393-3397 NAICS: 332116 CAGE/NCAGE: 1Y2K0, Medium Voltage Busbar Hipot Testing (https://youtu.be/yZP42V41MQY). There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. About. See below for an overview of Storms testing capabilities. BUSBAR. This verifies that the part maintains the proper heat rise for its application. Testing and Commissioning Method Statements, Commercial & Finance Management Procedures, Method Statement For Precommissioning & Commissioning of Bus Bar System, ACS Access Control Electronic Security System Installation & Testing Method Statement, Method Statement for Piling Work using the Diesel Hammer, Steel Bar Reinforcement Rebar Fabrication and Installation Method Statement, SWMS Safe Work Method Statement for Electrical Conduit Installation Prior to Pouring Concrete, Method Statement For Testing & Commissioning. To see this page as it is meant to appear, please enable your Javascript! 162.243.31.236 You will learn through the course all the tests that are done on SwitchGear for example. Are the Tap off box clamps fixed properly as per the Installation Manual? In the first article of a series that will explore the commissioning process in more detail, we answer the often-asked question What is Commissioning and Testing? Safework Method Of Statement. Check all joints for tightness as per manufactures torquing recommendation: Provide scaffolding or ladder for easy access on joints to be tightened. . endobj All busbar installed with correct phase sequence and Tap off location as per approved drawing. New TriRaptor testing device by EuroSMC The process focuses upon verifying and documenting that all of the commissioned systems and assemblies are designed, planned, designed, installed, and tested so that they can be operated and maintained to meet the requirements of the owner of the . hbbd```b``@$d"Y3@$0 &U*.30, Inject the current to each module of the busbar protection to check the pickup value, which should be 5% of the normal pickup setting of the relay. busbar topologies with multiple buses, bus couplers, and bays has always been one of the most challenging tasks for commissioning. The Partial Discharge test is critical for verifying long term part performance and detecting any inefficiencies in power transference. For example, a HiPot test verifies that the multiple conductive layers within a laminated bus bar are sufficiently insulated from one another at a specified voltage. Are any joint packs installed along the slab. After attaining approval, test/report sheets to be signed off from all mentioned in the signature block. Related approved schematic drawings references are to be attached to WIR & test package. Safework Method Of Statement. The bus bar shall be subjected to Insulation resistance test at1000 Volts as per manufacturers recommendations and the requiredinsulation resistance shall be ensured. hXmO8+7iT You will be redirected once the validation is complete. Incorporating a robust and thorough commissioning process such as ours in a development project is recognized as best practice worldwide. All joints shall be tested with a proper tester recommended by themanufacturer. Ensure that all wall / slab penetrations of the bus bars are sealed withapproved fire sealant at each fire barrier penetration. The support system for the bus bars is complete. Deployment of a competent personnel for the task. Move to the next joint and perform the same procedure. Isolate the bus way run by disconnecting all connections to transformers, switchboards, meters, and so forth. Ensure all tap off boxes have been correctly installed as instructed. Your IP: stream Please enable JavaScript on your browser and try again. This check is to verify the integrity of the insulation of the busbar following the installation and site conditions. This website is using a security service to protect itself from online attacks. Testing also confirms consistency in the outputs of critical manufacturing processes, confirming that there are no defects that affect the parts performance or expected lifespan. ps lJ{D"xW }d Y!yje%YZIfyN"gC5{OA'/e{UkIRVqW{D)Z& Following the successful closing off the supply breaker, close the circuit breaker(s) supplying the connected loads (via Tap-offs) one by one. According to the Commissioning Definitions and Terminology for the Building Industry: A Common Overview 2018 (ASHRAE, CIBSE and AiCARR) commissioning and testing is: the advancement of an installation from the state of static completion to full working order meeting the specified requirements. The commissioning procedure of substation busbars for differential protection and other busbar protection schemes involves a large number of input and output circuits that require a verification check in both the primary and secondary circuits. 1- MCB Test (2 pole & 3 pole) { Pick up current } 2- Auxiliary Relays Test ( Pick up & Drop off Timing - Relay Pick up & Drop off Voltage/current - Relay Burden ) All covers shall be properly replaced upon completion of torquingof each joint. Customer handling and proper coordination with clients. The commissioning procedure of substation busbars for differential protection and other busbar protection schemes involves a large number of input and output circuits that require a verification check in both the primary and secondary circuits. Testing also confirms consistency in the outputs of critical manufacturing processes, confirming that there are no defects that affect the part's performance or expected lifespan. Throughthe guidelines contained herein so as to ensure that the job execution complies with the projectrequirements. Cloudflare Ray ID: 7a119f59ae508cd7 The torquing of the bus bar joins shall be carried out using torquewrench as per the values recommended by the manufacturer. All Rights Reserved. Ensure non presence of any foreign material or cable strands inside the Tap off box. Storm Power Components. A single test of the percentage restraint characteristic, does not provide enough confidence for the correct operation of the protection. All our method statements are available on this link: 2023 by The Engineering Galaxy - All Rights Reserved, Yes! TENDER No. The action you just performed triggered the security solution. Check for any abnormal rise in temperature on bus bars. You can email the site owner to let them know you were blocked. This is all the concept of busbar protection. Commissioning and Testing Complex Busbar Protection Schemes - Experience at Pacific Gas & Electric - Lubomir Sevov, Bogdan Kasztenny and Ed Taylor Saturation of current transformers (CTs) during external faults may jeopardize the security of bus protection due to unbalanced currents in the differential relay. We're always looking for great talent to join our global teams. 384 0 obj <>stream WIR for installation is cleared from the major items. Vacancy: 2 Need to Mention in the Email Signature: Post ID: ETE0123 - Electrical Testing Engineer and Name of Candidate. Each Busbar piece has been Meggered before Installation? Ensure that the tap-off & feeder boxes are easily accessible foroperation. After completing the procedures mentioned in section 6.0. The purpose of this method statement is to outline the sequence and method of Testing & Commissioning of Bus Bar Trunking system. 2. All Rights Reserved. The service requires full cookie support in order to view this website. The protection settings should be at the circuit breakers minimum protection level. The objective of testing is to provide confidence in the real-world performance of a part design. The following test will be conducted as a standard on every run of busbar. relays RED670, 7SD52 & P546, Transformer Differential relay RET670 & 7UT63, Bus Bar . HWk0Gi,aYR4]qCd(cPs:N;URIrAKReEvOOa8:N s.@pF The purpose of this procedure is to define the step by step method to implement the correctpractices for the precommissioning & commissioning of Bus Bar System. Proper alignment of the bus-bar lengths, level and aligned. Click to reveal Contact Us, We design solutions to the world's greatest challenges. %%EOF This process is automatic. The test works by measuring the amount of partial discharge in Coulombs, also called arcing, between the copper or aluminum conductor and the insulation that is applied to the surface of the bus bar. The test runs a specific electrical voltage (AC or DC) through the conductor while a ground is created on the adjacent conductors to verify that there is no electrical path between them. Check and ensure the following items prior to Pre-Commissioning and Commissioning. 4 0 obj Related approved Material Submittal references are to be attached to WIR & test package. , Medium Voltage busbar Hipot testing ( https: //youtu.be/yZP42V41MQY ) to outline the and... Fire barrier penetration for review and Inspection amp ; commissioning activities * testing of Main relays ( Line Dist/Diff obj. Involvement in following testing & commissioning of bus Bar shall be tested with a proper tester by... Same testing and commissioning of busbar as it is meant to appear, please enable your Javascript:. Ete0123 - Electrical testing Engineer and Name of Candidate email signature: Post ID: ETE0123 - Electrical Engineer... 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Ladder for easy access on joints to be attached to WIR & test package heat rise its...: stream please enable Javascript on your browser and try again WIR & test package from mentioned... Switchboards, meters, and bays has always been one of the settings... Feeder boxes are easily accessible foroperation: 332116 CAGE/NCAGE: 1Y2K0, Medium Voltage busbar Hipot (... In temperature on bus bars are sealed withapproved fire sealant at each fire barrier penetration owner. ( Line Dist/Diff be sent to Main Contractor for review and Inspection a test! All our method statements are available on this link: 2023 by Engineering. Checks: ensure all connections to the busbar I Tap offs have been disconnected requires! Proper tester recommended by themanufacturer the part maintains the proper heat rise for its application headed torque indicating is... Design solutions to the busbar I Tap offs have been correctly installed as instructed or ladder for easy on. Fire sealant at each fire barrier penetration critical for verifying long term part and... 0 obj < > stream WIR for installation is cleared from the major.... Site owner to let them know you were blocked confidence for the correct of. Ret670 & amp ; 7UT63, bus Bar shall be ensured below checks: ensure all connections to the I. It is meant to appear, please enable your Javascript lengths, level and.. Below checks: ensure all Tap off location as per manufacturers recommendations and the resistance...
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