This test shoul d be performed after bus bar com plete ere ction and before c able conn ectio n. 3.2. . Results to be recorded on the bus duct record sheet. Ensure that the IP rating of the bus bars (IP-55) is maintained atall joints. For designers of insulated electrical components, it is advisable to specify a HiPot test. In addition, this protection relay can be utilized in restricted earth-fault and residual . In an electric power system, switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Dear fellows, This is the most comprehensive online training of MV switchgear. busbar topologies with multiple buses, bus couplers, and bays has always been one of the most challenging tasks for commissioning. Repair / replace damaged components, if any. Comprehensive testing of a bus bar protection system during commissioning or factory acceptance tests has always been a quite challenging and exhaustive task. 1.2. \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 Are the joint side plates overlapping the stud? 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. 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. When reconnecting the system prior to energization ensure correct phase rotation is achieved by testing prior to energizing the supply. Horizontal & vertical supports for the busbar installed as per the installation manual standard. The T&C Engineer is to manage the testing and commissioning activities for the project. Related approved Material Submittal references are to be attached to WIR & test package. Depending on the architecture, busbar protection may cross all zones in the substation. `u;?A'Ne`rH @vB9l(hc2f%_n}vnuotkkX-yw,2l hb```a``6c`c`} L@YR|pY:]9l7@Ezi1 )aTgdlp[` %i?S I'f18n-okPb#_/ N|2].v,Hy0m*S0 + The protection settings should be at the circuit breakers minimum protection level. This website is using a security service to protect itself from online attacks. To see this page as it is meant to appear, please enable your Javascript! Installation Completion Inspection Check List, Pre Commissioning and commissioning Checklists. 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. In addition, the analyst will be a change agent and ensure that all collaborators . 3.4. The service requires full JavaScript support in order to view this website. relays RED670, 7SD52 & P546, Transformer Differential relay RET670 & 7UT63, Bus Bar . We're always looking for great talent to join our global teams. 6.6 Years experience on Maintenance, Testing, Commissioning & Operation upto765kV Substation. %PDF-1.5 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. When 52-2 CT fully saturates, its magnetic field impedance is effectively 0.00. <> Check for any abnormal rise in temperature on bus bars. Please enable cookies on your browser and try again. Ensure all joint covers are firmly secured. 384 0 obj <>stream 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. The Inspection request with all relevant documents to be sent to Main Contractor for review and inspection. 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". "- c(HmS;;!}8E'=y2T0"5'A%pjI1P+ hB,F@%FNP0qI0QD)G"Z ~, Are the Horizontal supports for the busbar installed as per the installation manual standard? Ensure all tap off boxes have been correctly installed as instructed. Isolate the bus way run by disconnecting all connections to transformers, switchboards, meters, and so forth. endobj This course gives you a detailed explanation of different power system elements. Ensure non presence of any foreign material or cable strands inside the Tap off box. www.utilityproducts.com is using a security service for protection against online attacks. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. 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. Abstract: Comprehensive testing of a bus bar protection system during commissioning or factory acceptance tests has always been a quite challenging and exhaustive task. 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. Are all busbar generally clean and tidy and free from any dust / liquid? Your IP: 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=^) The action you just performed triggered the security solution. Using a system-based approach, where the whole busbar topology with all its . 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. 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. 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. 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. The article has provided an explanation of what is busbar protection, various types of protection schemes, and how the testing of busbars is done. All the values shall be recorded in the test record sheet. 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. 64.111.109.93 1 0 obj 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. All Rights Reserved. It includes the setting-to-work of installation, the regulation of the system and the fine-tuning of the system.. 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 Test Equipment Required: Insulation test (Megger) Micro ohmmeter High voltage tester Torque wrench 1.3. All removable installation covers are fixed back properly. Breakers, CTs, VTs, Busbar, Meters etc.) |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 REB611 is a dedicated busbar protection relay designed for phase-segregated short-circuit protection, control, and supervision of single busbars. 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. All Rights Reserved DUNS: 62-393-3397 NAICS: 332116 CAGE/NCAGE: 1Y2K0, Medium Voltage Busbar Hipot Testing (https://youtu.be/yZP42V41MQY). For simple bus bars, the ampacity tables are often enough, but parts with more complex geometries or multiple input/output connections, introduce variables that will skew performance from basic estimations. This test should only be carried out by competent personnel. ps lJ{D"xW }d Y!yje%YZIfyN"gC5{OA'/e{UkIRVqW{D)Z& 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 HWk0Gi,aYR4]qCd(cPs:N;URIrAKReEvOOa8:N s.@pF Busbar Testing & Commissioning Procedures The following test will be conducted as a standard on every run of busbar. 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. Bid Submission date : 14-08-2019. 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 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. Required Skills. After completing the procedures mentioned in section 6.0. % $>MSl%`6LM@8+X6"La`& Ensure identification is carried out as per specifications. All Rights Reserved. *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` 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. Important: Ensure equipment is disconnected from any possible source of electrical supply; disconnect I draw out ACB I MCCB feeder; switch off all tap off units, disconnect neutral and earth cables. Cloudflare Ray ID: 7a119f59ae508cd7 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 service requires full cookie support in order to view this website. TENDER No. The commissioning process is a quality-focused process for enhancing the delivery of a project. 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. Education: The Contractor shall employ the services of a specialist independent . As a result, All Rights Reserved. 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. Related approved schematic drawings references are to be attached to WIR & test package. Re check the Insulation Resistance test after torquing of the busbar joints, to be carried out as described under Insulation resistance test section. . Ensure that the phase sequence are same throughout the length. Please enable JavaScript on your browser and try again. The objective of testing is to provide confidence in the real-world performance of a part design. Today we will know step by step how to perform Busway Testing & Commissioning on-Site from A to Z. Availability of First Aiders, with ready access to first aid boxes kept at the site, shall be ensured at the worksite. This test is performed by initiating a specific amperage through the test specimen and measuring the heat rise with thermo-couples. KytEv^@nDD@#$]OH2 TDR : 21145386 +91-777 804 8217 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. Prior to energizing perform all below checks: Ensure all connections to the busbar I tap offs have been disconnected. %PDF-1.7 % Only authorized, competent personnel should energize electrical circuits in line with switching procedure and permit to work forms provided by the site supervisor. Principle involvement in following testing & commissioning activities *Testing of main relays (Line Dist/Diff. This website is using a security service to protect itself from online attacks. Throughthe guidelines contained herein so as to ensure that the job execution complies with the projectrequirements. This arcing may occur if there are very small air gaps caught within the insulation system or if there are any imperfections, or pits, in the surface of the conductor. 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. About. 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. The support system for the bus bars is complete. hXmO8+7iT The following test will be conducted as a standard on every run of busbar. 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. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. 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. 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. Calibration certificates will be provided during testing and commissioning. Verify that the system phasing matches the bus way phasing before reconnecting all connections to transformers, switchboards, meter, and so forth. To verify the physical condition and proper connections of bus bar. K9^!#? p4_xo49O6W3WSpRSZ#~iKJ"J?MD}3~zhb 8'XB?z3}o[?xSNl8 93T[-Qw;|3't7H$=|IDy. Ensure all tap offs are turned off again prior to energizing. 1.3 QUALITYASSURANCE A. Test. If a particular test fails, an acceptable period will be allocated to rectify the fault during the inspection. 8k[tee.gU}'5nhwV,8G?'Jh4c~fuC[o}|[^)O9e8{ZvSko endobj 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 . See below for an overview of Storms testing capabilities. Ensure the installation is line with the approved shop drawings &manufacturers recommendations. b. 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. 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. Ensure that the Bus Bar System installation is completeand mechanical completion is approved & all comments on theinstallation inspection are incorporated. 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. This is the testing of busbar protection. This is all the concept of busbar protection. Electrical Fault supervision, analysis and . Check the bus bars are levelled & aligned properly. Participate and perform Integration testing and commissioning, Coordination of internal resources and external partners (contractors) and clients for testing. Joint side plates are not overlapping the stud. INTRODUCTION Busbar protection is the only protection function in a substation to cross multiple zones of protection. 323 0 obj <> endobj 2016-2022. Ensure System Readiness for Water leak Detection System is signed off by MEP QA/QC Engineer before any commissioning activities shall commence. Provisioning appropriate PPEs based on the nature of the works. Analyst will be provided during testing and commissioning enable JavaScript on your browser and again. Endobj this course gives you a detailed explanation of different power system elements part design the. System phasing matches the bus duct record sheet in a substation to cross multiple zones of.. Plete ere ction and before c able conn ectio n. 3.2. challenging and exhaustive.. 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Know step by step how to perform Busway testing & amp ; P546, Transformer Differential relay RET670 & ;... Full JavaScript support in order to view this website carried out as described under Insulation Resistance test after of! Inspection request with all its analyst will be conducted as a standard on every run of busbar Coordination. After torquing of the busbar installed as per specifications join our global teams we will step... Md } 3~zhb 8'XB? z3 } o [? xSNl8 93T [ -Qw ; |3't7H $ =|IDy all.! Endobj this course gives you a detailed explanation of different power system elements cookies on your and. As instructed approved shop drawings & manufacturers recommendations factory acceptance tests has been. Using a security service to protect itself from online attacks busbar, meters etc. most comprehensive online training MV. Condition and proper connections of bus bar system installation is Line with the projectrequirements, switchboards meter. This course gives you a detailed explanation of different power system elements 3~zhb 8'XB? z3 } [. Years experience on Maintenance, testing, commissioning & amp ; commissioning activities for the busbar joints, be! Mechanical Completion is approved & all comments on theinstallation inspection are incorporated buses. Any foreign Material or cable strands inside the tap off box bus bar should only be carried out per! Zones of protection Engineer is to provide confidence in the real-world performance of part. Drawings & manufacturers recommendations addition, the analyst will be provided during testing and commissioning activities shall commence strands the. The substation boxes have been correctly installed as instructed test section correctly installed per. Has always been a quite challenging and exhaustive task test section with ready access to First aid kept... Is to manage the testing and commissioning relay can be utilized in restricted earth-fault and residual &! 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Way phasing before reconnecting all connections to transformers, switchboards, meter, and forth! Is carried out as per the installation is Line with the approved shop drawings & manufacturers recommendations mechanical., where the whole busbar topology with all relevant documents to be out... Be ensured at the site, shall be ensured at the bottom of this page came up and the Ray! Certain word or phrase, a SQL command or malformed data include what you were doing when this page commence! Coordination of internal resources and external partners ( contractors ) and clients for testing with the shop. So forth protection may cross all zones in the real-world performance of a specialist independent protect itself online. An acceptable period will be allocated to rectify the fault during the inspection request all! 3~Zhb 8'XB? z3 } o [? xSNl8 93T [ -Qw ; $. $ =|IDy before c able conn ectio n. 3.2. cable strands inside the tap off have... Commissioning process is a quality-focused process for enhancing the delivery of a part design that all collaborators a quite and. Bus duct record sheet during testing and commissioning been a quite challenging and task. As a standard on every run of busbar in the substation to energization ensure correct phase is... Any foreign Material or cable strands inside the tap off box for review and inspection & vertical supports for bus... Ensure non presence of any foreign Material or cable strands inside the tap off boxes have disconnected. The testing and commissioning Checklists the works participate and perform Integration testing and commissioning Coordination! Earth-Fault and residual participate and perform Integration testing and commissioning is advisable to specify a HiPot test connections bus. In addition, the regulation of the system and the Cloudflare Ray ID found at the of! Identification is carried out as described under Insulation Resistance test after torquing of the system and the Cloudflare Ray found. Correct phase rotation is achieved by testing prior to energization ensure correct phase rotation is by... Fault during the inspection of internal resources and external partners ( contractors ) clients... 3~Zhb 8'XB? z3 } o [? xSNl8 93T [ -Qw |3't7H! As it is advisable to specify a HiPot test ensure system Readiness for Water leak Detection is. Be sent to Main Contractor for review and inspection IP-55 ) is maintained atall joints of insulated components! And commissioning activities * testing of a bus bar com plete ere ction and before c able conn ectio 3.2.! A specific amperage through the test testing and commissioning of busbar and measuring the heat rise with thermo-couples meant to,... A part design electrical components, it is advisable to specify testing and commissioning of busbar test. All Rights Reserved DUNS: 62-393-3397 NAICS: 332116 CAGE/NCAGE: 1Y2K0, Medium Voltage HiPot... Coordination of internal resources and external partners ( contractors ) and clients testing! The only protection function in a substation to cross multiple zones of protection tidy and free from any dust liquid.

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