The following test will be conducted as a standard on every run of busbar. Following tools and equipment shall be arranged before the activity. Deployment of a competent personnel for the task. When 52-2 CT fully saturates, its magnetic field impedance is effectively 0.00. 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. Installation Completion Inspection Check List, Pre Commissioning and commissioning Checklists. After completing the procedures mentioned in section 6.0. "- c(HmS;;!}8E'=y2T0"5'A%pjI1P+ hB,F@%FNP0qI0QD)G"Z ~, Index TermsBusbar protection, busbar testing, digital substation, IEC 61850-9-2LE, process bus, simulation bit and test mode. Principle involvement in following testing & commissioning activities *Testing of main relays (Line Dist/Diff. Customer handling and proper coordination with clients. All joints shall be tested with a proper tester recommended by the manufacturer. Busway Testing and Commissioning Method Statement - Your Best Guide in 2022 | The Engineering Galaxy Hi again. Your IP: When reconnecting the system prior to energization ensure correct phase rotation is achieved by testing prior to energizing the supply. Test. 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. About. Check the bus bars are levelled & aligned properly. endstream endobj 324 0 obj <>/Metadata 70 0 R/OpenAction 325 0 R/Outlines 92 0 R/PageLayout/SinglePage/Pages 321 0 R/StructTreeRoot 97 0 R/Type/Catalog/ViewerPreferences<>>> endobj 325 0 obj <> endobj 326 0 obj <>/MediaBox[0 0 595.44 841.68]/Parent 321 0 R/Resources<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 327 0 obj <>stream This test shoul d be performed after bus bar com plete ere ction and before c able conn ectio n. 3.2. . Travel to job sites, customer offices and vendors factories expected to be around 75% of total time. The Partial Discharge test is critical for verifying long term part performance and detecting any inefficiencies in power transference. Ensure System Readiness for Water leak Detection System is signed off by MEP QA/QC Engineer before any commissioning activities shall commence. Are the Horizontal supports for the busbar installed as per the installation manual standard? Over view on all Electrical activities for a new substation & running substation Testing, Commissioning, Operation & Maintenance. This process is automatic. Table of Contents 1- Introduction 2- Prerequisites to Procedure 3- Design Parameters 4- Reference Documents/Drawings Conduct a continuity check on all phases/ground and neutral with a multi meter to ensure the bus way conductors are continuous throughout the length of the run. Design, development, implementation, testing, and commissioning of protection and control applications and schemes; Configure, test and perform commissioning relays for retrofit applications. 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. hb```a``6c`c`} L@YR|pY:]9l7@Ezi1 )aTgdlp[` %i?S I'f18n-okPb#_/ N|2].v,Hy0m*S0 + a. The protection settings should be at the circuit breakers minimum protection level. Pre commissioning checks will be carried out as indicated below, and recorded on the attached site pre-commissioning checks detailing the installation visual inspections as per attached checklist. The words controlled and coordinated are key here. The bus bar shall be subjected to Insulation resistance test at1000 Volts as per manufacturers recommendations and the requiredinsulation resistance shall be ensured. Performance & security by Cloudflare. endstream endobj 328 0 obj <>stream Bid Submission date : 14-08-2019. Safework Method Of Statement. Your IP: A double headed torque indicating bolt is provided to ensure that proper installation torque is achieved. 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. New TriRaptor testing device by EuroSMC Current Openings, Urban Logistics: The Technical Challenges Facing the Emerging Trends, Climate Change and Holistic Nutrient Management, Electric Fleet Charging: Impacts of DER Integration Holistically Quantified, It takes significant time, effort and personal resilience to get it right, and, for that reason, commissioning is often a blind spot, or an Achilles heel, in the industry. %PDF-1.7 % Ensure identification is carried out as per specifications. The support system for the bus bars is complete. Are the vertical spring hangers are been installed as per the installation manual standard? Serving Construction Industry Since 10 years. Ensure that all installations are in conformity with regulatory authority andlocal & international building codes. ps lJ{D"xW }d Y!yje%YZIfyN"gC5{OA'/e{UkIRVqW{D)Z& rb$y`X%k%TYZeFu$9[ Oe-b%lka&c0X$=-zhuV:T&QTqopLX,bP Click to reveal Let's work together to make great things possible. Abstract: Comprehensive testing of a bus bar protection system during commissioning or factory acceptance tests has always been a quite challenging and exhaustive task. Results to be recorded on the bus duct record sheet. Vacancy: 2 Need to Mention in the Email Signature: Post ID: ETE0123 - Electrical Testing Engineer and Name of Candidate. Sorry, you have Javascript Disabled! Each Busbar piece has been Meggered After Installation? Ensure the installation is line with the approved shop drawings &manufacturers recommendations. Breaker to Breaker Resistance Test REB611 is a dedicated busbar protection relay designed for phase-segregated short-circuit protection, control, and supervision of single busbars. Ensure that all the precommissioning checks are carried out successfully. After attaining approval, test/report sheets to be signed off from all mentioned in the signature block. endobj All our method statements are available on this link: 2023 by The Engineering Galaxy - All Rights Reserved, Yes! Today we will know step by step how to perform Busway Testing & Commissioning on-Site from A to Z. In an electric power system, switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. The Functional Analyst will provide overall leadership for the delivery of implementation, enhancements and maintenance of existing applications, meeting service level agreements, and product and lifecycle management for capital project construction service areas. Storm Power Components. jumper cables, terminals and various devices by using an infrared scanner. Provisioning appropriate PPEs based on the nature of the works. Safework Method Of Statement. A stability test should be done on the busbar relay same as the general differential relay. REB611 is used in high-impedance-based applications within utility substations and industrial power systems. We're always looking for great talent to join our global teams. Lean, Reviews and Lessons Learned) What You Bring The high impedance differential busbar protection has an impedance of 2000. Joint side plates are not overlapping the stud. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Kenya Medical Training College (KMTC) is a state corporation whose mandate is to promote, establish, equip, manage, maintain and develop libraries in Kenya. 384 0 obj <>stream Supply, Installation, Testing And Commissioning Of - 68140266 The Jammu and Kashmir Power Development Department has published a tender for "Supply, Installation, Testing And Commissioning Of 33kv Control And Relay Panel For Line/feeder, Completely Wired Compatible For Substation Scada/automation Supported By Ieds/numerical Relay For Newly Constructed Line Bay Complete Job And Of Reputed" on . 2 0 obj Are the Tap off box clamps fixed properly as per the Installation Manual? Ensure proper flange termination is carried out in respective switch boards. The objective of testing is to provide confidence in the real-world performance of a part design. KytEv^@nDD@#$]OH2 3.4. Generally, the HiPot test is run at an exaggerated voltage level of 2X the operating voltage plus 1,000 volts to ensure safety and performance even in extreme scenarios. Fall away instruction tags are furnished on the torque indicating bolt heads to allow for visual inspection from a distance. For comprehensive bus bar protection testing a test system, which models the topology of the bus bar in software, allows to derive test cases, which exactly match the real world situation. Test/report sheets to be distributed as per Project Specifications. 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 ) Visually inspect the energized busbar route to look for anomalies such as noise for example due to cover plates not properly tightened. This is the testing of busbar protection. Through the guidelines contained herein so as to ensure that the job execution complies with the project requirements Read Full Method Statement Join for Latest Articles <> Here you will learn all thing about MV Switchgears. Executed correctly, it results in a reliable, fully functioning and low-risk facility. 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. 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. Check and ensure the following items prior to Pre-Commissioning and Commissioning. Storm can assist our customers by verifying bus bar performance in small batch, individual designs before submitting a larger batch to UL testing, thus reducing cost risk. This website is using a security service to protect itself from online attacks. Over the years, we have invested significantly in augmenting our Design and Manufacturing . Desired Profile - Protection & SAS Testing & Commissioning Engineers - Graduates having degree / diploma in Electrical engineering having 1 7 years experience of onsite testing & commissioning of protection relays and SAS schemes . 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. KMTC invites sealed tenders from eligible Ensure all joint covers are firmly secured. When 52-2 CT fully saturates, its magnetic field impedance is effectively 0.00 endstream 328! 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