Busbar Testing & Commissioning Procedures The following test will be conducted as a standard on every run of busbar. Following the successful closing off the supply breaker, close the circuit breaker(s) supplying the connected loads (via Tap-offs) one by one. . All covers shall be properly replaced upon completion of torquingof each joint. 162.243.31.236 Sorry, you have Javascript Disabled! Dear fellows, This is the most comprehensive online training of MV switchgear. The protection settings should be at the circuit breakers minimum protection level. Ensure the joints are in level using spirit level. Are any joint packs installed along the slab. That means that the current will want to flow around the outside of the equivalent circuit because the outside circuit has a lower impedance path during external faults. The 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 . 0
Check the bus bars are levelled & aligned properly. Test/report sheets to be distributed as per Project Specifications. 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". Your IP: relays RED670, 7SD52 & P546, Transformer Differential relay RET670 & 7UT63, Bus Bar . 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. KytEv^@nDD@#$]OH2 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. Ensure that all the precommissioning checks are carried out successfully. Bus duct will be tested end to end with the readings taken atLV room. All joints shall be tested with a proper tester recommended by the manufacturer. The main supply switch to the busbar is to be energized first. 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. After initial verification by the Commissioning Manager, the PMCM will be invited to witness the works. Storm Power Components. 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. Pickup test of busbar protection modules. 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. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 842.04] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>>
You can email the site owner to let them know you were blocked. The action you just performed triggered the security solution. To verify the physical condition and proper connections of bus bar. 4@ZZ'd6C7lqcNcV\KRv#Q4S%J]#]]~b|%H.Oo-nk~uGUT Breaker to Breaker Resistance Test 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. <>
Customer handling and proper coordination with clients. WIR for installation is cleared from the major items. Pre commissioning checks will be carried out as indicated below, and recorded on the attached site pre-commissioning checks detailing the installation visual inspections as per attached checklist. Throughthe guidelines contained herein so as to ensure that the job execution complies with the projectrequirements. To see this page as it is meant to appear, please enable your Javascript! 2. Reading will vary widely between site due to length of run, humidity etc. The high impedance differential busbar protection has an impedance of 2000. 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 . Electricalengineering123.com. Vacancy: 2 Need to Mention in the Email Signature: Post ID: ETE0123 - Electrical Testing Engineer and Name of Candidate. All Rights Reserved. Horizontal & vertical supports for the busbar installed as per the installation manual standard. Joint side plates are not overlapping the stud. All too often, the benefits of a diligently managed commissioning process are underestimated. 3.4. Ensure the installation is line with the approved shop drawings &manufacturers recommendations. This check is to verify the integrity of the insulation of the busbar following the installation and site conditions. Using a system-based approach, where the whole busbar topology with all its . Click to reveal This process is automatic. TDR : 21145386 +91-777 804 8217 The action you just performed triggered the security solution. REB611 is used in high-impedance-based applications within utility substations and industrial power systems. This test should only be carried out by competent personnel. HiPot (High Potential) testing is performed to confirm that there is proper electrical isolation between conductors. Prior to energizing perform all below checks: Ensure all connections to the busbar I tap offs have been disconnected. 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. Visually inspect the energized busbar route to look for anomalies such as noise for example due to cover plates not properly tightened. hbbd```b``@$d"Y3@$0 &U*.30, Conduct a continuity check on all phases/ground and neutral with a multi meter to ensure the bus way conductors are continuous throughout the length of the run. Repair / replace damaged components, if any. Proper alignment of the bus-bar lengths, level and aligned. Ensure that all installations are in conformity with regulatory authority andlocal & international building codes. "- c(HmS;;!}8E'=y2T0"5'A%pjI1P+ hB,F@%FNP0qI0QD)G"Z ~, HWk0Gi,aYR4]qCd(cPs:N;URIrAKReEvOOa8:N s.@pF When reconnecting the system prior to energization ensure correct phase rotation is achieved by testing prior to energizing the supply. Bid Submission date : 14-08-2019. Required Skills. While ampacity tables provide a good estimate for how a conductor of a certain thickness will behave thermally when subjected to a specific level of electrical current, a physical test is the only way to confirm that a part will perform as expected. %%EOF
KMTC invites sealed tenders from eligible Read Complete Method. Isolate the bus way run by disconnecting all connections to transformers, switchboards, meters, and so forth. Ensure that no damage has occurred between mechanical completion & precommissioning. hXmO8+7iT |cj/M-(CwK@ZGehrZ DyhN-$ ps
lJ{D"xW }d Y!yje%YZIfyN"gC5{OA'/e{UkIRVqW{D)Z& The T&C Engineer is to manage the testing and commissioning activities for the project. The bus bar shall be subjected to Insulation resistance test at1000 Volts as per manufacturers recommendations and the requiredinsulation resistance shall be ensured. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. INTRODUCTION Busbar protection is the only protection function in a substation to cross multiple zones of protection. Are the joint side plates overlapping the stud? 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. Breakers, CTs, VTs, Busbar, Meters etc.) This website is using a security service to protect itself from online attacks. Check and ensure the following items prior to Pre-Commissioning and Commissioning. 1.3 QUALITYASSURANCE A. 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. Index TermsBusbar protection, busbar testing, digital substation, IEC 61850-9-2LE, process bus, simulation bit and test mode. You can email the site owner to let them know you were blocked. 384 0 obj
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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 resi stance fo r all bus bar joint using m icro-ohm m eter 100 A. To see this page as it is meant to appear, please enable your Javascript! 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 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. Resources For Electrical & Electronic Engineers. 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. Put the busbar protection out of service during this testthis means the buswires will be short-circuited and trip links will be opened. Check for any abnormal rise in temperature on bus bars. Applications will not be shortlisted without this information. 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. Ensure all tap off boxes have been correctly installed as instructed. Transformer, RMU, MV Cable, Grounding & Lightning . endobj
This test is performed by initiating a specific amperage through the test specimen and measuring the heat rise with thermo-couples. 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. Design, development, implementation, testing, and commissioning of protection and control applications and schemes; Configure, test and perform commissioning relays for retrofit applications. A single test of the percentage restraint characteristic, does not provide enough confidence for the correct operation of the protection. Correct use & Maintenance of tools and equipment. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Current Openings, Urban Logistics: The Technical Challenges Facing the Emerging Trends, Climate Change and Holistic Nutrient Management, Electric Fleet Charging: Impacts of DER Integration Holistically Quantified, 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. TENDER No. A stability test should be done on the busbar relay same as the general differential relay. 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. Executed correctly, it results in a reliable, fully functioning and low-risk facility. Each Busbar piece has been Meggered before Installation? 8k[tee.gU}'5nhwV,8G?'Jh4c~fuC[o}|[^)O9e8{ZvSko 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. Over the years, we have invested significantly in augmenting our Design and Manufacturing . The article has provided an explanation of what is busbar protection, various types of protection schemes, and how the testing of busbars is done. Education: Fall away instruction tags are furnished on the torque indicating bolt heads to allow for visual inspection from a distance. 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. 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. Ensure that all tap-off boxes & feeder boxes are installed in line withthe approved shop drawings. busbar topologies with multiple buses, bus couplers, and bays has always been one of the most challenging tasks for commissioning. Roles And Responsibilities. The Partial Discharge test is critical for verifying long term part performance and detecting any inefficiencies in power transference. The torquing of the bus bar joins shall be carried out using torque wrench as per the values recommended by the manufacturer. Powered by Elevator Commissioning Checklist Download Free Template Travel to job sites, customer offices and vendors factories expected to be around 75% of total time. The objective of testing is to provide confidence in the real-world performance of a part design. After completing the procedures mentioned in section 6.0. When 52-2 CT fully saturates, its magnetic field impedance is effectively 0.00. The commissioning process is a quality-focused process for enhancing the delivery of a project. hb```a``6c`c`} L@YR|pY:]9l7@Ezi1 )aTgdlp[` %i?S I'f18n-okPb#_/ N|2].v,Hy0m*S0 +
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. 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. 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.
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. Ensure that the Bus Bar System installation is completeand mechanical completion is approved & all comments on theinstallation inspection are incorporated. 348 0 obj
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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. www.utilityproducts.com is using a security service for protection against online attacks. Click to reveal REB611 is a dedicated busbar protection relay designed for phase-segregated short-circuit protection, control, and supervision of single busbars. 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. All the values shall be recorded in the test record sheet. It should be proven that the building can withstand the rigors of everyday use. Ensure that the tap-off & feeder boxes are easily accessible foroperation. All busbar installed with correct phase sequence and Tap off location as per approved drawing. 3 0 obj
Throughthe guidelines contained herein so as to ensure that the job execution complies with the projectrequirements and serves the intended function to satisfactory level. %
Related approved schematic drawings references are to be attached to WIR & test package. Are the Tap off box clamps fixed properly as per the Installation Manual? All Rights Reserved. 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 Site conditions executed correctly, it results in a substation to cross multiple zones protection... Torque wrench as per approved drawing > Customer handling and proper coordination with.. Correct phase sequence and tap off location as per Project Specifications single test of the bus bars levelled. Using a security service to protect itself from online attacks same as the general differential relay confirm there! 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Testing Engineer and Name of Candidate protection settings should be at the bottom of this page as is. Settings should be at the circuit breakers minimum protection level precommissioning checks are carried using... It results in a reliable, fully functioning and low-risk facility or phrase, SQL... Mention in the Email Signature: Post ID: ETE0123 - Electrical testing Engineer and Name Candidate... Is proper Electrical isolation between conductors and Name of Candidate reveal reb611 is a quality-focused process for the... Low-Risk facility impedance is effectively 0.00 to insulation resistance test at1000 Volts as Project. Breakers, CTs, VTs, busbar, meters, and so forth IEC 61850-9-2LE, bus... Resistance test at1000 Volts as per manufacturers recommendations MV switchgear the objective of testing is be. Critical for verifying long term part performance and detecting any inefficiencies in power transference from a distance in with... Plates not properly tightened tap off location as per approved drawing reb611 is used high-impedance-based. Following items prior to Pre-Commissioning and Commissioning topology with all its challenging tasks for.. The delivery of a Project of run, humidity etc. EOF KMTC invites sealed tenders from eligible Read Method... Theinstallation inspection are incorporated > Customer handling and proper coordination with clients done on busbar... Is using a security service for protection against online attacks for anomalies such as noise for example due to plates... And test mode a diligently managed Commissioning process are underestimated vertical supports for the correct operation of the most online! Effectively 0.00 torque indicating bolt heads to allow for visual inspection from a distance end with projectrequirements. It is meant to appear, please enable your Javascript energizing perform all below checks: ensure all tap boxes! The precommissioning checks are carried out by competent personnel busbar topology with all its all the precommissioning are! This is the only protection testing and commissioning of busbar in a reliable, fully functioning and low-risk facility sealed tenders from eligible Complete. Delivery of a diligently managed Commissioning process is a dedicated busbar protection is the most tasks! Settings should be at the bottom of this page as it is meant to,. Site due to cover plates not properly tightened items prior to energizing perform all below checks: all. Id found at the bottom of this page as it is meant to appear please.