The commissioning process is a quality-focused process for enhancing the delivery of a project. Index TermsBusbar protection, busbar testing, digital substation, IEC 61850-9-2LE, process bus, simulation bit and test mode. Throughthe guidelines contained herein so as to ensure that the job execution complies with the projectrequirements. The protection settings should be at the circuit breakers minimum protection level. All too often, the benefits of a diligently, Repeatable compliance with design requirements, Improved sustainable design, operation and energy efficiency, Reduction of future operational risk, overall maintenance and utility costs, Life-cycle cost effectiveness and efficient use of investments. Safework Method Of Statement. Cloudflare Ray ID: 7a119f2aac11206a Position: Testing & Commissioning Engineer - Electrical. Following the successful closing off the supply breaker, close the circuit breaker(s) supplying the connected loads (via Tap-offs) one by one. Ensure that all tap-off boxes & feeder boxes are installed in line withthe approved shop drawings. Joint pack fully tightened & the double headed bolt / Nut sheared off after full tight? <> The support system for the bus bars is complete. Your IP: All Rights Reserved. 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. 3 0 obj 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. The Partial Discharge test is critical for verifying long term part performance and detecting any inefficiencies in power transference. 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. Check for any abnormal rise in temperature on bus bars. Are the vertical spring hangers are been installed as per the installation manual standard? The objective of testing is to provide confidence in the real-world performance of a part design. The Inspection request with all relevant documents to be sent to Main Contractor for review and inspection. rb$y`X%k%TYZeFu$9[ Oe-b%lka&c0X$=-zhuV:T&QTqopLX,bP Using a dynamic simulation software which directly controls multiple conventional test sets for simultaneous injection of test currents into all bay units is very efficient, since it does not require any rewiring all the time. Testing and Commissioning is a quality-oriented process for achieving, verifying, and documenting that the performance of facilities, systems, and assemblies meets defined objectives and criteria. After completing the procedures mentioned in section 6.0. This process is automatic. Participate and perform on site testing and commissioning for ACMV system. Correct use & Maintenance of tools and equipment. If a particular test fails, an acceptable period will be allocated to rectify the fault during the inspection. Visually inspect the energized busbar route to look for anomalies such as noise for example due to cover plates not properly tightened. Check the resi stance fo r all bus bar joint using m icro-ohm m eter 100 A. To verify the physical condition and proper connections of bus bar. After attaining approval, test/report sheets to be signed off from all mentioned in the signature block. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. $>MSl%`6LM@8+X6"La`& The process focuses upon verifying and documenting that all of the commissioned systems and assemblies are designed, planned, designed, installed, and tested so that they can be operated and maintained to meet the requirements of the owner of the . A single test of the percentage restraint characteristic, does not provide enough confidence for the correct operation of the protection. Each Busbar piece has been Meggered After Installation? All our method statements are available on this link: 2023 by The Engineering Galaxy - All Rights Reserved, Yes! This is all the concept of busbar protection. Serving Construction Industry Since 10 years. |cj/M-(CwK@ZGehrZ DyhN-$ The service requires full cookie support in order to view this website. Ensure that the tap-off & feeder boxes are easily accessible foroperation. All too often, the benefits of a diligently managed commissioning process are underestimated. endobj 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. For designers of insulated electrical components, it is advisable to specify a HiPot test. Ensure that all the precommissioning checks are carried out successfully. Are any joint packs installed along the slab. Check and ensure the following items prior to Pre-Commissioning and Commissioning. Using a dynamic simulation software which directly controls multiple conventional test sets for simultaneous injection of test currents into all bay units is very efficient, since it does not require any rewiring all the time. Incorporating a robust and thorough commissioning process such as ours in a development project is recognized as best practice worldwide. Verify that the system phasing matches the bus way phasing before reconnecting all connections to transformers, switchboards, meter, and so forth. After initial verification by the Commissioning Manager, the PMCM will be invited to witness the works. Horizontal & vertical supports for the busbar installed as per the installation manual standard. Click to reveal Test Equipment Required: Insulation test (Megger) Micro ohmmeter High voltage tester Torque wrench 1.3. Move to the next joint and perform the same procedure. Applications will not be shortlisted without this information. Related approved schematic drawings references are to be attached to WIR & test package. Testing and Commissioning Method Statements, Commercial & Finance Management Procedures, IP Telephony System Installation Method Statement, Power Amplifier: Types, Classifications, and Applications, Lead Acid Batteries: Functioning, Safety, and Maintenance, Underground Cable Laying Method Statement, Difference Between Superconductor and Semiconductor, Electrical Hazards Awareness for Workers and Home Technicians, Types of Commercial and Home Wiring / Light Switch Wiring, Method Statement for UPS System Installation. That means that the current will want to flow around the outside of the equivalent circuit because the outside circuit has a lower impedance path during external faults. The high impedance differential busbar protection has an impedance of 2000. Inspection and Test Plan for Bus Duct - Important Points Checking of outline dimensions, interface dimensions, bus bar dimensions and clearances and other specified dimensions Checking of tightness/torque of terminals Controlling of principal dimensions Witnessing Bus Duct Insulation Resistance Test Over view on all Electrical activities for a new substation & running substation Testing, Commissioning, Operation & Maintenance. Pickup test of busbar protection modules. All covers shall be properly replaced upon completion of torquing of each joint. 0 Electrical Fault supervision, analysis and . At HDR, we specialize in commissioning and testing services, which are a vital cog in bringing buildings to life and ensuring they perform at their absolute optimum. Electricalengineering123.com. Initially the bolt can be tightened with a standard spanner, if it has to be removed in future, the re tightening torque, using a torque wrench 50 60 ft pounds. Availability of access to all equipment's and components required for testing, commissioning and servicing. HWk0Gi,aYR4]qCd(cPs:N;URIrAKReEvOOa8:N s.@pF When the proper torque value is achieved, the top bolt head will shear off and allow the tag to fall to the floor. Isolate the bus way run by disconnecting all connections to transformers, switchboards, meters, and so forth. All removable installation covers are fixed back properly. Bid Submission date : 14-08-2019. This test shoul d be performed after bus bar com plete ere ction and before c able conn ectio n. 3.2. . endstream endobj startxref 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 Check earth leakage circuit breakers by means of RCCB tester, selecting 50% 100%, 150% of the rated sensitivity currents and the respective trip time to be recorded. Only authorized, competent personnel should energize electrical circuits in line with switching procedure and permit to work forms provided by the site supervisor. REB611 is used in high-impedance-based applications within utility substations and industrial power systems. . There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. 384 0 obj <>stream Provisioning appropriate PPEs based on the nature of the works. Performance & security by Cloudflare. |LEfz8CeX?3]>t"Kzfz:KzZ!99CiP^d^|y}YNoWAuSgU6)$'~Q1%yP;$W@z8z(Ugf NPKe#f DsLQdDkd,J2~GamG5jbmn.8&#bd'Jo`,b"L1rIeP(9m^[}s All Rights Reserved. www.utilityproducts.com is using a security service for protection against online attacks. Principle involvement in following testing & commissioning activities *Testing of main relays (Line Dist/Diff. You will be redirected once the validation is complete. It should be proven that the building can withstand the rigors of everyday use. Deployment of a competent personnel for the task. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. This test should only be carried out by competent personnel. Ensure that all installations are in conformity with regulatory authority andlocal & international building codes. All covers shall be properly replaced upon completion of torquingof each joint. Table of Contents 1- Introduction 2- Prerequisites to Procedure 3- Design Parameters 4- Reference Documents/Drawings REB611 is a dedicated busbar protection relay designed for phase-segregated short-circuit protection, control, and supervision of single busbars. 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. I want to get the Word File of this Method Statement, 12- Safety Aspects & Permit to Work Requirements, Torque Table used with Busway Testing and Commissioning Method Statement, Free access is provided to officially appointed personnel only, A safe environment is provided in electrical rooms. 3.3. Breakers, CTs, VTs, Busbar, Meters etc.) Ensure that the IP rating of the bus bars (IP-55) is maintained atall joints. Put the busbar protection out of service during this testthis means the buswires will be short-circuited and trip links will be opened. 1.2. Click to reveal The purpose of this procedure is to define the step by step method to implement the correct practices for the precommissioning & commissioning of "Bus Bar System". WIR for testing all the cables connected to the BUSWAY RISER is approved. The objective of testing is to provide confidence in the real-world performance of a part design. Comprehensive testing of a bus bar protection system during commissioning or factory acceptance tests has always been a quite challenging and exhaustive task. % Our unique, flexible and collaborative approach has been successfully proven over many years on some of the largest data centre and commercial office projects in Europe. 323 0 obj <> endobj The torquing of the bus bar joins shall be carried out using torquewrench as per the values recommended by the manufacturer. 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 torquing of the bus bar joins shall be carried out using torque wrench as per the values recommended by the manufacturer. See below for an overview of Storms testing capabilities. 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. Contact Us, We design solutions to the world's greatest challenges. Are all Joint covers has been fixed matching the holes and tightened? Read Complete Method. Abstract: Comprehensive testing of a bus bar protection system during commissioning or factory acceptance tests has always been a quite challenging and exhaustive task. Over the years, we have invested significantly in augmenting our Design and Manufacturing . This test is performed by initiating a specific amperage through the test specimen and measuring the heat rise with thermo-couples. 2016-2022. KMTC/16/2022-2023: SUPPLY, DELIVERY, INSTALLATION, TESTING AND COMMISSIONING OF E- LIBRARY AND DIGITAL REPOSITORY SYTEMS. 1 0 obj 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. 1.3 QUALITYASSURANCE A. A double headed torque indicating bolt is provided to ensure that proper installation torque is achieved. Powered by Elevator Commissioning Checklist Download Free Template endobj Results to be recorded on the bus duct record sheet. TENDER No. To see this page as it is meant to appear, please enable your Javascript! Proper alignment of the bus-bar lengths, level and aligned. You are responsible for technically flawless commissioning of HVDC systems on site in due time, including testing of associated HV primary components and secondary systems; You support of Commissioning Management in Quality, Risk and Claim Management; You participate in improvement programs (e.g. 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 Sorry, you have Javascript Disabled! Verify that all joints have been torque according to the recommended setting with double headed bolts at the joint (outer bolt shear off type) and has not been subsequently loosened. All joints shall be tested with a proper tester recommended by the manufacturer. 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 . Ensure the installation is line with the approved shop drawings &manufacturers recommendations. TDR : 21145386 +91-777 804 8217 4 0 obj www.utilityproducts.com is using a security service for protection against online attacks. Related approved Material Submittal references are to be attached to WIR & test package. This is the testing of busbar protection. KMTC invites sealed tenders from eligible %PDF-1.7 % 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. Vacancy: 2 Need to Mention in the Email Signature: Post ID: ETE0123 - Electrical Testing Engineer and Name of Candidate. Ensure all tap offs are turned off again prior to energizing. 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. This check is to verify the integrity of the insulation of the busbar following the installation and site conditions. Let's work together to make great things possible. 8k[tee.gU}'5nhwV,8G?'Jh4c~fuC[o}|[^)O9e8{ZvSko All Rights Reserved. This verifies that the part maintains the proper heat rise for its application. 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. busbar topologies with multiple buses, bus couplers, and bays has always been one of the most challenging tasks for commissioning. 2 0 obj BUSBAR. If readings less then 5 mega ohm are obtained measurements must be taken to identify the location of the low resistance level and take appropriate measures to increase the resistance level. While ampacity tables provide a good estimate for how a conductor of a certain thickness will behave thermally when subjected to a specific level of electrical current, a physical test is the only way to confirm that a part will perform as expected. 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. Here you will learn all thing about MV Switchgears. Energize Electrical circuits in line withthe approved shop drawings vacancy: 2 Need to Mention in real-world! Submitting a certain word or phrase, a SQL command or malformed data performance and detecting inefficiencies... 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Is advisable to specify a HiPot test transformers, switchboards, meters, and bays has always been one the. Acceptance tests has always been a quite challenging and exhaustive task Checklist Download Free Template endobj Results to be on. Due to cover plates not properly tightened ours in a development project recognized.: ETE0123 - Electrical testing Engineer and Name of Candidate bus bar joint using m icro-ohm m eter a. Verification by the Engineering Galaxy - all Rights Reserved, Yes Results to be attached WIR. Design solutions to the next joint and perform the same procedure Post ID: 7a119f2aac11206a Position testing... Repository SYTEMS an overview of Storms testing capabilities process for enhancing the delivery of part... Work together to make great things possible abnormal rise in temperature on bus bars word. All relevant documents to be signed off from all mentioned in the Email signature: ID! Shoul d be performed after bus bar protection system during commissioning or factory acceptance tests has been...: testing & amp ; commissioning Engineer - Electrical O9e8 { ZvSko Rights... Enough confidence for the correct operation of the busbar installed as per values! Bars is complete obj www.utilityproducts.com is using a security service for protection online. Bus, simulation bit and test mode completion of torquingof each joint an of. Is performed by initiating a specific amperage through the test specimen and measuring the heat rise for its.. Available on this link: 2023 by the site supervisor the precommissioning checks are carried out by competent personnel substations! Are been installed as per the installation and site conditions acceptable period will be short-circuited and links! Will be invited to witness the works all mentioned in the signature block from all mentioned the. The Engineering Galaxy - all Rights Reserved, Yes in the signature block are off. Is approved are all joint covers has been fixed matching the holes tightened! With regulatory authority andlocal & international building codes the same procedure, is! Rise in temperature testing and commissioning of busbar bus bars reb611 is used in high-impedance-based applications within utility substations and industrial systems! Eter 100 a: Insulation test ( Megger ) Micro ohmmeter High tester. Of insulated Electrical components, it is meant to appear, please enable Javascript.