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lJ{D"xW }d Y!yje%YZIfyN"gC5{OA'/e{UkIRVqW{D)Z& Isolate the bus way run by disconnecting all connections to transformers, switchboards, meters, and so forth. This checklist has been built to make it easier for inspectors to check transformers/motors, direct current (DC) battery system, and the operation and testing tools and equipment and perform efficient lightning protection system, busbar trunking system, circuitry checks, and more. Earth Leakage Testing. This is all the concept of busbar protection. rb$y`X%k%TYZeFu$9[ Oe-b%lka&c0X$=-zhuV:T&QTqopLX,bP Breakers, CTs, VTs, Busbar, Meters etc.) Breaker to Breaker Resistance Test Deployment of a competent personnel for the task. endstream
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Ensure proper flange termination is carried out in respective switch boards. Reading will vary widely between site due to length of run, humidity etc. 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. Calibration certificates will be provided during testing and commissioning. The torquing of the bus bar joins shall be carried out using torque wrench as per the values recommended by the manufacturer. Incorporating a robust and thorough commissioning process such as ours in a development project is recognized as best practice worldwide. Ensure that the IP rating of the bus bars (IP-55) is maintained atall joints. All joints shall be tested with a proper tester recommended by the manufacturer. Customer handling and proper coordination with clients. 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 main supply switch to the busbar is to be energized first. All Rights Reserved. Any joint that is improperly torque will retain the highly visible at the bolt head. 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. 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. 6.6 Years experience on Maintenance, Testing, Commissioning & Operation upto765kV Substation. Read Complete Method. To see this page as it is meant to appear, please enable your Javascript! 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 building. Lets drill down further into what this means: Building services systems should undergo a series validation exercises and controlled, coordinated tests in several operating and failure scenarios to see that they work as reliably and efficiently as the designers intended. hb```a``6c`c`} L@YR|pY:]9l7@Ezi1 )aTgdlp[` %i?S I'f18n-okPb#_/ N|2].v,Hy0m*S0 +
Are all Joint covers has been fixed matching the holes and tightened? Ensure that the Bus Bar System installation is completeand mechanical completion is approved & all comments on theinstallation inspection are incorporated. 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. Bus duct will be tested end to end with the readings taken atLV room. It includes the setting-to-work of installation, the regulation of the system and the fine-tuning of the system.. 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. 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. endstream
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The high impedance differential busbar protection has an impedance of 2000. endobj
Proper alignment of the bus-bar lengths, level and aligned. endstream
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Conduct daily toolbox talks before work commencement. Test Equipment Required: Insulation test (Megger) Micro ohmmeter High voltage tester Torque wrench 1.3. Resources For Electrical & Electronic Engineers. Ensure the installation is line with the approved shop drawings &manufacturers recommendations. www.utilityproducts.com is using a security service for protection against online attacks. Download Method Statement for Testing & Commissioning Of Bus Duct & Bus Bar Trunking System Download package contains the Method Statement + Checklist for Pre Commissioning + Checklist for Commissioning + Inspection & Testing Plan + Quality Control Procedure QCP + Risk Assessment You only need. All removable installation covers are fixed back properly. 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. Test. 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. 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. 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. This website is using a security service to protect itself from online attacks. Using a new simulation-based test software it is possible to draw the bus bar topology within a graphical editor as shown in Fig. The service requires full JavaScript support in order to view this website. 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. Check the bus bars are levelled & aligned properly. Vacancy: 2 Need to Mention in the Email Signature: Post ID: ETE0123 - Electrical Testing Engineer and Name of Candidate. Correct use & Maintenance of tools and equipment. 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. Are any joint packs installed along the slab. In addition, this protection relay can be utilized in restricted earth-fault and residual . You can email the site owner to let them know you were blocked. This test is especially important for medium voltage, multilayer laminated bus bars, inverters, and any critical power conductor applications where electrical insulation is of paramount importance. The objective of testing is to provide confidence in the real-world performance of a part design. Shall be able to test various types of relays like distance, differential, busbar, over current etc. Here you will learn all thing about MV Switchgears. Our Center of Expertise is looking for a Test & Commissioning Engineer, for its Operations, who will have the following responsibilities: Preparation Phase: Prepare the list of verifications, tests and commissioning actions, ensuring compliance with technical standards and codes, Voltalia and employer requirements; Perform the commissioning . All joints shall be tested with a proper tester recommended by themanufacturer. The Inspection request with all relevant documents to be sent to Main Contractor for review and inspection. Ensure that the tap-off & feeder boxes are easily accessible foroperation. Are the joint side plates overlapping the stud? This website is using a security service to protect itself from online attacks. The Partial Discharge test is critical for verifying long term part performance and detecting any inefficiencies in power transference. Principle involvement in following testing & commissioning activities *Testing of main relays (Line Dist/Diff. The tests will be carried out Phase to Phase, Phases to Neutral and Phases to Earth and Neutral to earth. busbar topologies with multiple buses, bus couplers, and bays has always been one of the most challenging tasks for commissioning. Results to be recorded on the bus duct record sheet. |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 The objective of testing is to provide confidence in the real-world performance of a part design. Transformer, RMU, MV Cable, Grounding & Lightning . 3 0 obj
The bus bar shall be subjected to Insulation resistance test at1000 Volts as per manufacturers recommendations and the requiredinsulation resistance shall be ensured. Powered by Elevator Commissioning Checklist Download Free Template A stability test should be done on the busbar relay same as the general differential relay. In modern commercial offices and data centers for example commissioning is a complex and highly technical process that requires considerable attention to detail and ongoing day-to-day, even hour-by-hour planning. When 52-2 CT fully saturates, its magnetic field impedance is effectively 0.00. REB611 is used in high-impedance-based applications within utility substations and industrial power systems. You can email the site owner to let them know you were blocked. Click to reveal Are the vertical spring hangers are been installed as per the installation manual standard? Ensure that no damage has occurred between mechanical completion & precommissioning. After initial verification by the Commissioning Manager, the PMCM will be invited to witness the works. Each Busbar piece has been Meggered After Installation? 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. Ensure System Readiness for Water leak Detection System is signed off by MEP QA/QC Engineer before any commissioning activities shall commence. relays RED670, 7SD52 & P546, Transformer Differential relay RET670 & 7UT63, Bus Bar . In an electric power system, switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. 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. 1 0 obj
www.utilityproducts.com is using a security service for protection against online attacks. To see this page as it is meant to appear, please enable your Javascript! Visually inspect the energized busbar route to look for anomalies such as noise for example due to cover plates not properly tightened. Your IP: Sorry, you have Javascript Disabled! x=7wEHnKG6[w=>S&%[{^d&@V &^|g~p>{7<>~|^/^Tua;o~hUq:/~|QLU)__/{[m|?X.T'VTEkMxno|?v5]x[lm9glF?tx|(NWt'yWdvlV>8)SMid[Y:g~o:]6hpv);#zz;p(MN2E_^i_r=^) Related approved schematic drawings references are to be attached to WIR & test package. 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 too often, the benefits of a diligently managed commissioning process are underestimated. 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. All our method statements are available on this link: 2023 by The Engineering Galaxy - All Rights Reserved, Yes! Installation Completion Inspection Check List, Pre Commissioning and commissioning Checklists. Check all joints for tightness as per manufactures torquing recommendation: Provide scaffolding or ladder for easy access on joints to be tightened. HWk0Gi,aYR4]qCd(cPs:N;URIrAKReEvOOa8:N s.@pF Ensure that all the precommissioning checks are carried out successfully. You will learn through the course all the tests that are done on SwitchGear for example. Pickup test of busbar protection modules. 2016-2022. endobj
Only authorized, competent personnel should energize electrical circuits in line with switching procedure and permit to work forms provided by the site supervisor. Travel to job sites, customer offices and vendors factories expected to be around 75% of total time. Ready to learn more? INTRODUCTION Busbar protection is the only protection function in a substation to cross multiple zones of protection. Let's work together to make great things possible. 348 0 obj
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Depending on the architecture, busbar protection may cross all zones in the substation. All the values shall be recorded in the test record sheet. Throughthe guidelines contained herein so as to ensure that the job execution complies with the projectrequirements and serves the intended function to satisfactory level. Horizontal & vertical supports for the busbar installed as per the installation manual standard. The action you just performed triggered the security solution. Electrical Fault supervision, analysis and . Ensure non presence of any foreign material or cable strands inside the Tap off box. 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. All Rights Reserved. Ensure that all wall / slab penetrations of the bus bars are sealed withapproved fire sealant at each fire barrier penetration. Safework Method Of Statement. Are the Tap off box clamps fixed properly as per the Installation Manual? The support system for the bus bars is complete. 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. Note: In order to avoid nuisance in megger readings, remember to open circuit all the controls wiring inside the switchboard where busbar flange is connected. 4@ZZ'd6C7lqcNcV\KRv#Q4S%J]#]]~b|%H.Oo-nk~uGUT Move to the next joint and perform the same procedure. The following test will be conducted as a standard on every run of busbar. Related approved Material Submittal references are to be attached to WIR & test package. The action you just performed triggered the security solution. Roles And Responsibilities. Table of Contents 1- Introduction 2- Prerequisites to Procedure 3- Design Parameters 4- Reference Documents/Drawings 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. Education: 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. 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. All megger test reports handed over to testing engineer? Ensure the joints are in level using spirit level. Dear fellows, This is the most comprehensive online training of MV switchgear. 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. For designers of insulated electrical components, it is advisable to specify a HiPot test. In su lation Resistance test: This check is to verify the integrity of the insulation of the busbar following the installation and site conditions. Position: Testing & Commissioning Engineer - Electrical. 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. 8k[tee.gU}'5nhwV,8G?'Jh4c~fuC[o}|[^)O9e8{ZvSko Prior to energizing perform all below checks: Ensure all connections to the busbar I tap offs have been disconnected. 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. Performance & security by Cloudflare. <>>>
Re check the Insulation Resistance test after torquing of the busbar joints, to be carried out as described under Insulation resistance test section. *lNI=]R^$8BD=#Nc^O$NZ}Z3A^ p]tu4pF],l(eht FVap}]Pl+gEK:R>ym?:yk~jT*%?E@\ ?#>_O|$>k#rk/v2\wvNuqAI3VK0#gjIPM8^iXm\.t}5z`
Provisioning appropriate PPEs based on the nature of the works. $>MSl%`6LM@8+X6"La`&
Index TermsBusbar protection, busbar testing, digital substation, IEC 61850-9-2LE, process bus, simulation bit and test mode. This check is to verify the integrity of the insulation of the busbar following the installation and site conditions. A double headed torque indicating bolt is provided to ensure that proper installation torque is achieved. Bid Submission date : 14-08-2019. WIR for testing all the cables connected to the BUSWAY RISER is approved. Safework Method Of Statement. Joint side plates are not overlapping the stud. |cj/M-(CwK@ZGehrZ DyhN-$ Applications will not be shortlisted without this information. You will be redirected once the validation is complete. When the proper torque value is achieved, the top bolt head will shear off and allow the tag to fall to the floor. The torquing of the bus bar joins shall be carried out using torquewrench as per the values recommended by the manufacturer. jumper cables, terminals and various devices by using an infrared scanner. 0]mDj. 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. Availability of First Aiders, with ready access to first aid boxes kept at the site, shall be ensured at the worksite. <>
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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 the phase sequence are same throughout the length. Sorry, you have Javascript Disabled! 2. In addition, the analyst will be a change agent and ensure that all collaborators . Performance & security by Cloudflare. Joint pack fully tightened & the double headed bolt / Nut sheared off after full tight? "- c(HmS;;!}8E'=y2T0"5'A%pjI1P+ hB,F@%FNP0qI0QD)G"Z ~, Using a system-based approach, where the whole busbar topology with all its . 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. Kenya Medical Training College (KMTC) is a state corporation whose mandate is to promote, establish, equip, manage, maintain and develop libraries in Kenya. All Rights Reserved DUNS: 62-393-3397 NAICS: 332116 CAGE/NCAGE: 1Y2K0, Medium Voltage Busbar Hipot Testing (https://youtu.be/yZP42V41MQY). Ensure all tap offs are turned off again prior to energizing. 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. Participate and perform Integration testing and commissioning, Coordination of internal resources and external partners (contractors) and clients for testing. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 842.04] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>>
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Ensure all joint covers are firmly secured. Your IP: Abstract: Comprehensive testing of a bus bar protection system during commissioning or factory acceptance tests has always been a quite challenging and exhaustive task. 384 0 obj
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@vB9l(hc2f%_n}vnuotkkX-yw,2l 3.4. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Are there any supports installed on the joint packs? KytEv^@nDD@#$]OH2 Participate and perform on site testing and commissioning for ACMV system. This test should only be carried out by competent personnel. Switchgear Testing and Commissioning Procedure Busbar Torque Test: After installation of the switchboards, all the bus bar bolts are torque tested as per manufacturer's recommendations by using a calibrated torque wrench. . Fall away instruction tags are furnished on the torque indicating bolt heads to allow for visual inspection from a distance. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page.