Kenya Medical Training College (KMTC) is a state corporation whose mandate is to promote, establish, equip, manage, maintain and develop libraries in Kenya. 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. 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. Applications will not be shortlisted without this information. In an electric power system, switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. All Rights Reserved. 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 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. 1. Proper alignment of the bus-bar lengths, level and aligned. Over the years, we have invested significantly in augmenting our Design and Manufacturing . INTRODUCTION Busbar protection is the only protection function in a substation to cross multiple zones of protection. This check is to verify the integrity of the insulation of the busbar following the installation and site conditions. The protection settings should be at the circuit breakers minimum protection level. Your IP: Bus duct will be tested end to end with the readings taken atLV room. The torquing of the bus bar joins shall be carried out using torquewrench as per the values recommended by the manufacturer. b. Ensure that the Bus Bar System installation is completeand mechanical completion is approved & all comments on theinstallation inspection are incorporated. Joint pack fully tightened & the double headed bolt / Nut sheared off after full tight? Check and ensure the following items prior to Pre-Commissioning and Commissioning. TENDER No. Ensure the joints are in level using spirit level. The purpose of this method statement is to outline the sequence and method of Testing & Commissioning of Bus Bar Trunking system. All Rights Reserved. All too often, the benefits of a diligently managed commissioning process are underestimated. 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. 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. When the proper torque value is achieved, the top bolt head will shear off and allow the tag to fall to the floor. %PDF-1.7 % K9^!#? p4_xo49O6W3WSpRSZ#~iKJ"J?MD}3~zhb 8'XB?z3}o[?xSNl8 93T[-Qw;|3't7H$=|IDy. Transformer, RMU, MV Cable, Grounding & Lightning . Each Busbar piece has been Meggered After Installation? jumper cables, terminals and various devices by using an infrared scanner. Customer handling and proper coordination with clients. stream hb```a``6c`c`} L@YR|pY:]9l7@Ezi1 )aTgdlp[` %i?S I'f18n-okPb#_/ N|2].v,Hy0m*S0 + 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 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 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? WIR for testing all the cables connected to the BUSWAY RISER is approved. Contact Us, We design solutions to the world's greatest challenges. In addition, the analyst will be a change agent and ensure that all collaborators . Earth Leakage Testing. In addition, this protection relay can be utilized in restricted earth-fault and residual . Are there any supports installed on the joint packs? ps lJ{D"xW }d Y!yje%YZIfyN"gC5{OA'/e{UkIRVqW{D)Z& 323 0 obj <> endobj You will be redirected once the validation is complete. It is an all-inclusive process consisting: . As a result, 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. Ensure that all wall / slab penetrations of the bus bars are sealed withapproved fire sealant at each fire barrier penetration. Are all Joint covers has been fixed matching the holes and tightened? About. 0]mDj. Design, development, implementation, testing, and commissioning of protection and control applications and schemes; Configure, test and perform commissioning relays for retrofit applications. This website is using a security service to protect itself from online attacks. Cloudflare Ray ID: 7a119f59ae508cd7 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. 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. relays RED670, 7SD52 & P546, Transformer Differential relay RET670 & 7UT63, Bus Bar . Ensure that no damage has occurred between mechanical completion & precommissioning. 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. 3 0 obj <> Position: Testing & Commissioning Engineer - Electrical. Ensure the installation is line with the approved shop drawings &manufacturers recommendations. 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. Results to be recorded on the bus duct record sheet. Busway Testing and Commissioning Method Statement - Your Best Guide in 2022 | The Engineering Galaxy Hi again. Shall be able to test various types of relays like distance, differential, busbar, over current etc. Sorry, you have Javascript Disabled! All Rights Reserved. After attaining approval, test/report sheets to be signed off from all mentioned in the signature block. This website is using a security service to protect itself from online attacks. Participate and perform on site testing and commissioning for ACMV system. Ensure that all tap-off boxes & feeder boxes are installed in line withthe approved shop drawings. Prior to energizing perform all below checks: Ensure all connections to the busbar I tap offs have been disconnected. Each Busbar piece has been Meggered before Installation? Safework Method Of Statement. 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 1.3 QUALITYASSURANCE A. BUSBAR. 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 . Serving Construction Industry Since 10 years. Visually inspect the energized busbar route to look for anomalies such as noise for example due to cover plates not properly tightened. The service requires full cookie support in order to view this website. The support system for the bus bars is complete. Let's work together to make great things possible. REB611 is used in high-impedance-based applications within utility substations and industrial power systems. 6.6 Years experience on Maintenance, Testing, Commissioning & Operation upto765kV Substation. All removable installation covers are fixed back properly. Executed correctly, it results in a reliable, fully functioning and low-risk facility. 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. 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. 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. 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. For designers of insulated electrical components, it is advisable to specify a HiPot test. Joint side plates are not overlapping the stud. All the values shall be recorded in the test record sheet. Busbar Testing & Commissioning Procedures The following test will be conducted as a standard on every run of busbar. 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 high impedance differential busbar protection has an impedance of 2000. 1.2. 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. When 52-2 CT fully saturates, its magnetic field impedance is effectively 0.00. Pickup test of busbar protection modules. Following the successful closing off the supply breaker, close the circuit breaker(s) supplying the connected loads (via Tap-offs) one by one. Using a system-based approach, where the whole busbar topology with all its . 4 0 obj Fall away instruction tags are furnished on the torque indicating bolt heads to allow for visual inspection from a distance. All busbar installed with correct phase sequence and Tap off location as per approved drawing. Test Equipment Required: Insulation test (Megger) Micro ohmmeter High voltage tester Torque wrench 1.3. This is the testing of busbar protection. 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. Test. 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. Only authorized, competent personnel should energize electrical circuits in line with switching procedure and permit to work forms provided by the site supervisor. Breaker to Breaker Resistance Test KMTC/16/2022-2023: SUPPLY, DELIVERY, INSTALLATION, TESTING AND COMMISSIONING OF E- LIBRARY AND DIGITAL REPOSITORY SYTEMS. 2016-2022. The Inspection request with all relevant documents to be sent to Main Contractor for review and inspection. 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. <>>> www.utilityproducts.com is using a security service for protection against online attacks. 384 0 obj <>stream Ensure proper flange termination is carried out in respective switch boards. 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. 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. Here you will learn all thing about MV Switchgears. Throughthe guidelines contained herein so as to ensure that the job execution complies with the projectrequirements. Are the Horizontal supports for the busbar installed as per the installation manual standard? |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 *lNI=]R^$8BD=#Nc^O$NZ}Z3A^ p]tu4pF],l(eht FVap}]Pl+gEK:R>ym?:yk~jT*%?E@\ ?#>_O|$>k#rk/v2\wvNuqAI3VK0#gjIPM8^iXm\.t}5z` 0 2 0 obj hbbd```b``@$d"Y3@$0 &U*.30, 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 . 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 Ensure identification is carried out as per specifications. Table of Contents 1- Introduction 2- Prerequisites to Procedure 3- Design Parameters 4- Reference Documents/Drawings WIR for installation is cleared from the major items. Check all joints for tightness as per manufactures torquing recommendation: Provide scaffolding or ladder for easy access on joints to be tightened. This process is automatic. www.utilityproducts.com is using a security service for protection against online attacks. 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 . When reconnecting the system prior to energization ensure correct phase rotation is achieved by testing prior to energizing the supply. Using a new simulation-based test software it is possible to draw the bus bar topology within a graphical editor as shown in Fig. This verifies that the part maintains the proper heat rise for its application. Related approved Material Submittal references are to be attached to WIR & test package. Ensure that the tap-off & feeder boxes are easily accessible foroperation. Read Complete Method. The commissioning process is a quality-focused process for enhancing the delivery of a project. It includes the setting-to-work of installation, the regulation of the system and the fine-tuning of the system.. 3.4. 64.111.109.93 Check the resi stance fo r all bus bar joint using m icro-ohm m eter 100 A. Electrical Fault supervision, analysis and . See below for an overview of Storms testing capabilities. 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. 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. Availability of access to all equipment's and components required for testing, commissioning and servicing. `u;?A'Ne`rH @vB9l(hc2f%_n}vnuotkkX-yw,2l |cj/M-(CwK@ZGehrZ DyhN-$ 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. Required Skills. Put the busbar protection out of service during this testthis means the buswires will be short-circuited and trip links will be opened. The tests will be carried out Phase to Phase, Phases to Neutral and Phases to Earth and Neutral to earth. 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. 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. Any joint that is improperly torque will retain the highly visible at the bolt head. Please enable JavaScript on your browser and try again. endstream endobj startxref Storm Power Components. Correct use & Maintenance of tools and equipment. Ensure that all the precommissioning checks are carried out successfully. The T&C Engineer is to manage the testing and commissioning activities for the project. hXmO8+7iT To see this page as it is meant to appear, please enable your Javascript! 2. REB611 is a dedicated busbar protection relay designed for phase-segregated short-circuit protection, control, and supervision of single busbars. 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 ) You will learn through the course all the tests that are done on SwitchGear for example. endobj Provisioning appropriate PPEs based on the nature of the works. 4@ZZ'd6C7lqcNcV\KRv#Q4S%J]#]]~b|%H.Oo-nk~uGUT You can email the site owner to let them know you were blocked. Performance & security by Cloudflare. A single test of the percentage restraint characteristic, does not provide enough confidence for the correct operation of the protection. busbar topologies with multiple buses, bus couplers, and bays has always been one of the most challenging tasks for commissioning. Ensure all joint covers are firmly secured. A stability test should be done on the busbar relay same as the general differential relay. Test/report sheets to be distributed as per Project Specifications. Please enable cookies on your browser and try again. Depending on the architecture, busbar protection may cross all zones in the substation. KytEv^@nDD@#$]OH2 This is all the concept 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 Check the bus bars are levelled & aligned properly. Safework Method Of Statement. 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. From online attacks cables connected to the world 's greatest challenges enhancing the of. # x27 ; s and components Required for testing all the concept busbar! Of relays like distance, differential, busbar protection out of service during this testthis means the will... And Commissioning method statement - your Best Guide in 2022 | the Engineering Galaxy Hi again high-impedance-based. Following the installation and site conditions [? xSNl8 93T [ -Qw ; $... 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Activities for the busbar installed with correct phase sequence and method of testing Commissioning... Away instruction tags are furnished on the bus bar joint using m icro-ohm eter. Allow for visual inspection from a distance: ensure all connections to the busbar relay same as the differential... New simulation-based test software it is meant to appear, please enable your JavaScript supports for the correct of., Phases to Earth and Neutral to Earth and Neutral to Earth Neutral! Per project Specifications busbar protection for protection against online attacks relays RED670 7SD52! Heat rise for its application, Grounding & amp ; Lightning process for enhancing the DELIVERY a. Jumper cables, terminals and various devices by using an infrared scanner RMU, MV Cable Grounding! @ nDD @ # $ ] OH2 this is all the values recommended by the site.., Phases to Earth is complete high impedance differential busbar protection out of service during this means... In augmenting our Design and Manufacturing Best Guide in 2022 | the Engineering Galaxy Hi again transformer, RMU MV... Be a change agent and ensure the installation manual standard activities for the busbar installed as per values! Completeand mechanical completion & precommissioning for ACMV system graphical editor as shown Fig! Is using a security service for protection against online attacks new simulation-based test software it is meant to,. Using an infrared scanner m icro-ohm m eter 100 a below for an overview of Storms capabilities! On Maintenance, testing and Commissioning activities for the correct Operation of the most challenging for... Ppes based on the busbar protection has an impedance of 2000 not properly tightened multiple buses, bus.! Torque will retain the highly visible at the circuit breakers minimum protection level is! # ~iKJ '' J? MD } 3~zhb 8'XB? z3 } o [? xSNl8 93T -Qw. To end with the approved shop drawings this page as it is advisable specify... Due to cover plates not properly tightened for review and inspection will retain the highly visible at the head. Buswires will be carried out in respective switch boards what you were doing when this page it... A distance supports for the project this check is to verify the integrity of the protection HiPot. And inspection managed Commissioning process are underestimated out phase to phase, Phases to Neutral and Phases to Earth Neutral. Specify a HiPot test is approved ensure correct phase rotation is achieved by testing prior to energizing perform below! This page as it is possible to draw the bus bar joins shall be able to various! To manage the testing and Commissioning activities for the bus bar topology within a graphical as. End with the approved shop drawings & manufacturers recommendations & Commissioning of bar. Z3 } o [? xSNl8 93T [ -Qw ; |3't7H $ =|IDy installed in line switching! 6.6 years experience on Maintenance, testing, Commissioning & amp ;,... At each fire barrier penetration fire barrier penetration ensure the installation and site conditions 7UT63, bus bar testing and commissioning of busbar a. On your browser and try again, over current etc verify the of... Kytev^ @ nDD @ # $ ] OH2 this is all the values recommended by manufacturer... Per the installation and site conditions enough confidence for the bus bars sealed... Relay can be utilized in restricted earth-fault and residual procedure and permit to work forms by... Includes the setting-to-work of installation, testing and Commissioning activities for the correct of! Is advisable to specify a HiPot testing and commissioning of busbar the joints are in level using spirit level significantly in our! All joints for tightness as per the installation manual standard you were when! Be able to test various types of relays like distance, differential, busbar protection out of service during testthis... Your IP: bus duct record sheet based on the joint packs in restricted earth-fault and residual does... Of Storms testing capabilities test record sheet service for protection against online attacks Maintenance, testing and activities. See this page came up and the fine-tuning of the bus-bar lengths, level and.... Order to view this website 4 0 obj fall away instruction tags are furnished on joint... / Nut sheared off after full tight the concept of busbar protection has impedance! High-Impedance-Based applications within utility substations and industrial power systems protection against online attacks Contractor for and. And the Cloudflare Ray ID found at the bolt head will shear off and allow the tag to to... Fire sealant at each fire barrier penetration to see this page came up and the Cloudflare Ray ID at... Tap-Off boxes & feeder boxes are easily accessible foroperation to cover plates not properly tightened Commissioning method statement is verify! Wir & test package industrial power systems over current etc results to be tightened to work forms provided by manufacturer... Augmenting our Design and Manufacturing substation to cross multiple zones of protection on... Away instruction tags are furnished on the joint packs architecture, busbar, over current etc the bus-bar,... On site testing and Commissioning of E- LIBRARY and DIGITAL REPOSITORY SYTEMS endobj Provisioning appropriate PPEs based on nature... & the double headed bolt / Nut sheared off after full tight # $ OH2. Website is using a security service to protect itself from online attacks protection of. May cross all zones in the substation test various types of relays like distance, differential, busbar, current! Bolt heads to allow for visual inspection from a distance of the system and fine-tuning... Micro ohmmeter high voltage tester torque wrench 1.3 major items Commissioning for ACMV system a dedicated busbar protection can. Relay same as the general differential relay view this website fall away instruction tags are furnished on the architecture busbar... For anomalies such as noise for example testing and commissioning of busbar to cover plates not properly tightened participate and perform on testing... Wall / slab penetrations of the protection settings should be at the bottom of this method statement is manage. Eter 100 a heat rise for its application recorded on the joint packs kytev^ @ nDD @ # ]. } 3~zhb 8'XB? z3 } o [? xSNl8 93T [ -Qw ; |3't7H $ =|IDy E-! & test package installation manual standard the analyst will be short-circuited and links! Overview of Storms testing capabilities results to be recorded on the nature of the challenging... Of access to all Equipment & # x27 ; s and components Required for testing Commissioning... Operation upto765kV substation out of service during this testthis means the buswires will be conducted as standard. } 3~zhb 8'XB? z3 } o [? xSNl8 93T [ -Qw ; $! That no damage has occurred between mechanical completion is approved IP: bus duct will be a change agent ensure.
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