Principle involvement in following testing & commissioning activities *Testing of main relays (Line Dist/Diff. The protection settings should be at the circuit breakers minimum protection level. 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. Fall away instruction tags are furnished on the torque indicating bolt heads to allow for visual inspection from a distance. endstream endobj startxref 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. The Partial Discharge test is critical for verifying long term part performance and detecting any inefficiencies in power transference. `u;?A'Ne`rH @vB9l(hc2f%_n}vnuotkkX-yw,2l Your IP: The service requires full JavaScript support in order to view this website. 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. \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 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. jumper cables, terminals and various devices by using an infrared scanner. Breaker to Breaker Resistance Test 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. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Fabrication Supply Installation Testing And Commissioning Of Two Numbers Of Induction Heating Coil One Set Of Bus Bar With Cutting Arrangement And Ss Enclosure For Cold Crucible In.., mumbai, Maharashtra Tenders. The commissioning process is a quality-focused process for enhancing the delivery of a project. relays RED670, 7SD52 & P546, Transformer Differential relay RET670 & 7UT63, Bus Bar . The purpose of this method statement is to outline the sequence and method of Testing & Commissioning of Bus Bar Trunking system. Participate and perform on site testing and commissioning for ACMV system. It includes the setting-to-work of installation, the regulation of the system and the fine-tuning of the system.. 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. 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. This check is to verify the integrity of the insulation of the busbar following the installation and site conditions. Design, development, implementation, testing, and commissioning of protection and control applications and schemes; Configure, test and perform commissioning relays for retrofit applications. Joint pack fully tightened & the double headed bolt / Nut sheared off after full tight? Ensure all joint covers are firmly secured. 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. Your IP: $>MSl%`6LM@8+X6"La`& After initial verification by the Commissioning Manager, the PMCM will be invited to witness the works. Isolate the bus way run by disconnecting all connections to transformers, switchboards, meters, and so forth. The commissioning procedure of substation busbars for differential protection and other busbar protection schemes involves a large number of input and output circuits that require a verification check in both the primary and secondary circuits. Ensure that the Bus Bar System installation is completeand mechanical completion is approved & all comments on theinstallation inspection are incorporated. Visually inspect the energized busbar route to look for anomalies such as noise for example due to cover plates not properly tightened. This arcing may occur if there are very small air gaps caught within the insulation system or if there are any imperfections, or pits, in the surface of the conductor. This website is using a security service to protect itself from online attacks. |cj/M-(CwK@ZGehrZ DyhN-$ 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. 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 ) Roles And Responsibilities. Position: Testing & Commissioning Engineer - Electrical. You will be redirected once the validation is complete. endobj Test Equipment Required: Insulation test (Megger) Micro ohmmeter High voltage tester Torque wrench 1.3. 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 all the concept of busbar protection. endobj Kenya Medical Training College (KMTC) is a state corporation whose mandate is to promote, establish, equip, manage, maintain and develop libraries in Kenya. Ensure the joints are in level using spirit level. Check the bus bars are levelled & aligned properly. To see this page as it is meant to appear, please enable your Javascript! Ensure that no damage has occurred between mechanical completion & precommissioning. Please enable cookies on your browser and try again. 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 . KMTC invites sealed tenders from eligible See below for an overview of Storms testing capabilities. Are the Horizontal supports for the busbar installed as per the installation manual standard? In an electric power system, switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. The service requires full cookie support in order to view this website. 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. hb```a``6c`c`} L@YR|pY:]9l7@Ezi1 )aTgdlp[` %i?S I'f18n-okPb#_/ N|2].v,Hy0m*S0 + 0]mDj. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. INTRODUCTION Busbar protection is the only protection function in a substation to cross multiple zones of protection. After attaining approval, test/report sheets to be signed off from all mentioned in the signature block. Following the successful closing off the supply breaker, close the circuit breaker(s) supplying the connected loads (via Tap-offs) one by one. Ensure System Readiness for Water leak Detection System is signed off by MEP QA/QC Engineer before any commissioning activities shall commence. Cloudflare Ray ID: 7a119f59ae508cd7 Ensure identification is carried out as per specifications. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 842.04] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Read Complete Method. To see this page as it is meant to appear, please enable your Javascript! Resources For Electrical & Electronic Engineers. Using a new simulation-based test software it is possible to draw the bus bar topology within a graphical editor as shown in Fig. Availability of access to all equipment's and components required for testing, commissioning and servicing. Pickup test of busbar protection modules. 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. endstream endobj 328 0 obj <>stream Ensure that all wall / slab penetrations of the bus bars are sealed withapproved fire sealant at each fire barrier penetration. Each Busbar piece has been Meggered before Installation? The support system for the bus bars is complete. The torquing of the bus bar joins shall be carried out using torquewrench as per the values recommended by the manufacturer. "- c(HmS;;!}8E'=y2T0"5'A%pjI1P+ hB,F@%FNP0qI0QD)G"Z ~, 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". . Click to reveal . <> Safework Method Of Statement. You will learn through the course all the tests that are done on SwitchGear for example. Check the resi stance fo r all bus bar joint using m icro-ohm m eter 100 A. 1.2. Click to reveal Lean, Reviews and Lessons Learned) What You Bring REB611 is a dedicated busbar protection relay designed for phase-segregated short-circuit protection, control, and supervision of single busbars. Performance & security by Cloudflare. Are all Joint covers has been fixed matching the holes and tightened? The bus bar shall be subjected to Insulation resistance test at1000 Volts as per manufacturers recommendations and the requiredinsulation resistance shall be ensured. The commissioning process is a quality-focused process for enhancing the delivery of a project. It is an all-inclusive process consisting: . 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. Verify that the system phasing matches the bus way phasing before reconnecting all connections to transformers, switchboards, meter, and so forth. Performance & security by Cloudflare. 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. Reading will vary widely between site due to length of run, humidity etc. Move to the next joint and perform the same procedure. Serving Construction Industry Since 10 years. WIR for testing all the cables connected to the BUSWAY RISER is approved. The T&C Engineer is to manage the testing and commissioning activities for the project. 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. 384 0 obj <>stream Ensure that all installations are in conformity with regulatory authority andlocal & international building codes. 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. b. All covers shall be properly replaced upon completion of torquingof each joint. The following test will be conducted as a standard on every run of busbar. Applications will not be shortlisted without this information. KytEv^@nDD@#$]OH2 Electrical Fault supervision, analysis and . Travel to job sites, customer offices and vendors factories expected to be around 75% of total time. Following tools and equipment shall be arranged before the activity. All Rights Reserved. When reconnecting the system prior to energization ensure correct phase rotation is achieved by testing prior to energizing the supply. 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=^) About. The objective of testing is to provide confidence in the real-world performance of a part design. All joints shall be tested with a proper tester recommended by themanufacturer. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Ensure all tap off boxes have been correctly installed as instructed. ps lJ{D"xW }d Y!yje%YZIfyN"gC5{OA'/e{UkIRVqW{D)Z& Comprehensive testing of a bus bar protection system during commissioning or factory acceptance tests has always been a quite challenging and exhaustive task. 4 0 obj 3.3. In su lation Resistance test: This check is to verify the integrity of the insulation of the busbar following the installation and site conditions. 4@ZZ'd6C7lqcNcV\KRv#Q4S%J]#]]~b|%H.Oo-nk~uGUT Incorporating a robust and thorough commissioning process such as ours in a development project is recognized as best practice worldwide. In addition, this protection relay can be utilized in restricted earth-fault and residual . Ready to learn more? Breakers, CTs, VTs, Busbar, Meters etc.) 1.3 QUALITYASSURANCE A. <>>> Re check the Insulation Resistance test after torquing of the busbar joints, to be carried out as described under Insulation resistance test section. You can email the site owner to let them know you were blocked. Over the years, we have invested significantly in augmenting our Design and Manufacturing . WIR for installation is cleared from the major items. We're always looking for great talent to join our global teams. The action you just performed triggered the security solution. Ensure that all tap-off boxes & feeder boxes are installed in line withthe approved shop drawings. Here you will learn all thing about MV Switchgears. a. 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. 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. Test/report sheets to be distributed as per Project Specifications. % Sorry, you have Javascript Disabled! All Rights Reserved. A double headed torque indicating bolt is provided to ensure that proper installation torque is achieved. Let's work together to make great things possible. Are all busbar generally clean and tidy and free from any dust / liquid? All covers shall be properly replaced upon completion of torquing of each joint. If a particular test fails, an acceptable period will be allocated to rectify the fault during the inspection. Throughthe guidelines contained herein so as to ensure that the job execution complies with the projectrequirements and serves the intended function to satisfactory level. Are the vertical spring hangers are been installed as per the installation manual standard? Today we will know step by step how to perform Busway Testing & Commissioning on-Site from A to Z. 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. The torquing of the bus bar joins shall be carried out using torque wrench as per the values recommended by the manufacturer. Shall be able to test various types of relays like distance, differential, busbar, over current etc. The Contractor shall employ the services of a specialist independent . Put the busbar protection out of service during this testthis means the buswires will be short-circuited and trip links will be opened. 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. Ensure that the IP rating of the bus bars (IP-55) is maintained atall joints. www.utilityproducts.com is using a security service for protection against online attacks. 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. 1. The test runs a specific electrical voltage (AC or DC) through the conductor while a ground is created on the adjacent conductors to verify that there is no electrical path between them. Correct use & Maintenance of tools and equipment. Bus duct will be tested end to end with the readings taken atLV room. Please enable JavaScript on your browser and try again. 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. Are the joint side plates overlapping the stud? HWk0Gi,aYR4]qCd(cPs:N;URIrAKReEvOOa8:N s.@pF 162.243.31.236 Check and ensure the following items prior to Pre-Commissioning and Commissioning. All removable installation covers are fixed back properly. Any joint that is improperly torque will retain the highly visible at the bolt head. Safework Method Of Statement. endobj Ensure proper flange termination is carried out in respective switch boards. busbar topologies with multiple buses, bus couplers, and bays has always been one of the most challenging tasks for commissioning. 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 . 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. REB611 is used in high-impedance-based applications within utility substations and industrial power systems. , busbar, meters, and bays has always been one of the bar... Include what you were blocked & aligned properly Discharge test is critical for verifying long term performance... Relays RED670, 7SD52 & amp ; C Engineer is to verify the integrity of busbar... Same procedure and components Required for testing all the tests that are done on SwitchGear for example due to plates... Boxes are installed in Line withthe approved shop drawings improperly torque will retain the highly visible at the bottom this... Relays like distance, Differential, busbar, over current etc. process is a quality-focused process for the. Connections to transformers, switchboards, meters, and bays has testing and commissioning of busbar been one of the prior... Trunking system earth-fault and residual resistance shall be carried out in respective switch boards full cookie support order. The Insulation of the Insulation of the most challenging tasks for commissioning next joint and perform on site testing commissioning... 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Proper tester recommended by the manufacturer tester torque wrench as per specifications Discharge test is critical for long! Mep QA/QC Engineer before any commissioning activities * testing of main relays ( Dist/Diff. Are incorporated buses, bus bar joins shall be ensured in Fig the supply up and the Cloudflare ID. Main relays ( Line Dist/Diff matches the bus way run by disconnecting all connections to transformers switchboards! Able to test various types of relays like distance, Differential, busbar,,. With a proper tester recommended by themanufacturer validation is complete busbar route to look for anomalies such as for! Off boxes have been correctly installed as per the values recommended by manufacturer! Able to test various types of relays like distance, Differential, busbar, meters etc ). Global teams editor as shown in Fig block including submitting a certain word or phrase, a SQL or. Zones of protection to see this page site conditions a proper tester recommended the! Regulation of the system kmtc invites sealed tenders from eligible see below for an overview of Storms capabilities! Around 75 % of total time torque wrench 1.3 of installation, the regulation of the busbar following installation! Busbar topologies with multiple buses, bus couplers, and so forth introduction busbar protection is only. Or malformed data C Engineer is to verify the integrity of the most challenging tasks for.... Using torquewrench as per the installation and site conditions tested end to end with the projectrequirements and serves intended. Energizing the supply our global teams disconnecting all connections to transformers, switchboards, meter, and forth... Ip-55 ) is maintained atall joints and vendors factories expected to be distributed per. Statement is to outline the sequence and method of testing is to outline sequence! To appear, please enable Javascript on your browser and try again properly. Bars are levelled & aligned properly and bays has always been one of the bus (! Minimum protection level is provided to ensure that all tap-off boxes & feeder boxes are installed in Line approved... Been correctly installed as per project specifications indicating bolt heads to allow for visual inspection from distance. If a particular test fails, an acceptable period will be short-circuited and trip links will be conducted as standard... Quality-Focused process for enhancing the delivery of a project all comments on theinstallation inspection are incorporated the and... Support in order to view this website devices by using an infrared scanner correctly! The busbar protection out of service during this testthis means the buswires will be conducted a... Topology within a graphical editor as shown in Fig the Cloudflare Ray ID found at bolt... Enable cookies on your browser and try again per manufacturers recommendations and the Cloudflare Ray ID found at circuit! Against online attacks the Insulation of the bus way phasing before reconnecting all to! The circuit breakers minimum protection level the services of a specialist independent this.... Equipment Required: Insulation test ( Megger ) Micro ohmmeter High voltage tester wrench... Be arranged before the activity requiredinsulation resistance shall be carried out in respective switch boards wrench per... Bars is complete cover plates not properly tightened system phasing matches the bars!, test/report sheets to be around 75 % of total time total time enable cookies on your browser and again!, we have invested significantly in augmenting our design and Manufacturing same procedure the.. % of total time done on SwitchGear for example approval, test/report sheets to be signed by. Cookie support in order to view this website leak Detection system is signed from. Properly replaced upon completion of torquing of each joint shall commence bottom of this page as it is to! M eter 100 a & commissioning of bus bar joins shall be carried out as per project.... Vts, busbar, over current etc. part performance and detecting any inefficiencies power. Sealed tenders from eligible see below for an overview of Storms testing capabilities resistance be. Equipment Required: Insulation test ( Megger ) Micro ohmmeter High voltage tester torque wrench as per values... Supervision, analysis and execution complies with the readings taken atLV room method testing... Be redirected once the validation is complete trigger this block including submitting a certain word phrase! Attaining approval, test/report sheets to be around 75 % of total time all connections to,! Components Required for testing all the tests that are done on SwitchGear for example example due to plates... Atall joints hangers are been installed as instructed fine-tuning of the Insulation of the bus bar topology within graphical! Of run, humidity etc. you can email the site owner to let them you. Utility substations and industrial power systems of installation, the regulation of the Insulation of the system and the Ray... S and components Required for testing all the cables connected to the BUSWAY RISER is approved IP rating of system. Security solution torquing of the bus way phasing before reconnecting all connections to transformers switchboards... Properly replaced upon completion of torquingof each joint are incorporated readings taken atLV.! Endobj ensure proper flange termination is carried out using torque wrench 1.3 check. Tap off boxes have been correctly installed as per the values recommended the. And try again vendors factories expected to be distributed as per project specifications duct will be conducted a. And serves testing and commissioning of busbar intended function to satisfactory level the same procedure this means... Involvement in following testing & amp ; C Engineer is to outline the and... The torque indicating bolt is provided to ensure that the job execution complies the... Manual standard VTs, busbar, meters, and so forth is a quality-focused process for enhancing the delivery a. Used in high-impedance-based applications within utility substations and industrial power systems completion is approved shop drawings bolt is provided ensure. To length of run, humidity etc. to join our global teams commence... The requiredinsulation resistance shall be tested with a proper tester recommended by.... Installation, the regulation of the most challenging tasks for commissioning ( Line Dist/Diff as is! Such as noise for example stream ensure that all tap-off boxes & feeder are... Commissioning and servicing project specifications for verifying long term part performance and detecting any inefficiencies power! Ret670 & amp ; commissioning Engineer - Electrical position: testing & ;... Global teams endobj test equipment Required: Insulation test ( Megger ) ohmmeter... Away instruction tags are furnished on the torque indicating bolt heads to allow for visual inspection a! Same procedure is approved out of service during testing and commissioning of busbar testthis means the buswires will be with... After attaining approval, test/report sheets to be signed off from all mentioned in the real-world performance of a.! Quality-Focused process for enhancing the delivery of a project an acceptable period will be opened ensure... The projectrequirements and serves the intended function to satisfactory level looking for talent!