0 For designers of insulated electrical components, it is advisable to specify a HiPot test. 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 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. *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` Throughthe guidelines contained herein so as to ensure that the job execution complies with the projectrequirements and serves the intended function to satisfactory level. Ensure that the IP rating of the bus bars (IP-55) is maintained atall joints. 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. 3.4. Are the Horizontal supports for the busbar installed as per the installation manual standard? Ensure the joints are in level using spirit level. 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. KMTC invites sealed tenders from eligible Kenya Medical Training College (KMTC) is a state corporation whose mandate is to promote, establish, equip, manage, maintain and develop libraries in Kenya. 2. REB611 is a dedicated busbar protection relay designed for phase-segregated short-circuit protection, control, and supervision of single busbars. 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. 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. %PDF-1.7 % 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. Cloudflare Ray ID: 7a119f59ae508cd7 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. All Rights Reserved. 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. Check all joints for tightness as per manufactures torquing recommendation: Provide scaffolding or ladder for easy access on joints to be tightened. K9^!#? p4_xo49O6W3WSpRSZ#~iKJ"J?MD}3~zhb 8'XB?z3}o[?xSNl8 93T[-Qw;|3't7H$=|IDy. 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. <> REB611 is used in high-impedance-based applications within utility substations and industrial power systems. 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. This test is especially important for medium voltage, multilayer laminated bus bars, inverters, and any critical power conductor applications where electrical insulation is of paramount importance. The tests will be carried out Phase to Phase, Phases to Neutral and Phases to Earth and Neutral to earth. It is an all-inclusive process consisting: . There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Lean, Reviews and Lessons Learned) What You Bring In addition, this protection relay can be utilized in restricted earth-fault and residual . Correct use & Maintenance of tools and equipment. Test/report sheets to be distributed as per Project Specifications. Earth Leakage Testing. WIR for installation is cleared from the major items. Serving Construction Industry Since 10 years. All megger test reports handed over to testing engineer? This check is to verify the integrity of the insulation of the busbar following the installation and site conditions. Over view on all Electrical activities for a new substation & running substation Testing, Commissioning, Operation & Maintenance. In an electric power system, switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. 1. endobj Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Results to be recorded on the bus duct record sheet. All busbar installed with correct phase sequence and Tap off location as per approved drawing. KytEv^@nDD@#$]OH2 We're always looking for great talent to join our global teams. Performance & security by Cloudflare. 64.111.109.93 . www.utilityproducts.com is using a security service for protection against online attacks. Cloudflare Ray ID: 7a119f2aac11206a The objective of testing is to provide confidence in the real-world performance of a part design. Ensure all tap off boxes have been correctly installed as instructed. |cj/M-(CwK@ZGehrZ DyhN-$ b. A method statement is approved, including test forms. All covers shall be properly replaced upon completion of torquing of each joint. 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. Proper alignment of the bus-bar lengths, level and aligned. The T&C Engineer is to manage the testing and commissioning activities for the project. The main supply switch to the busbar is to be energized first. 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. Ready to learn more? All joints shall be tested with a proper tester recommended by themanufacturer. Bid Submission date : 14-08-2019. endobj 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. 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 162.243.31.236 1 0 obj Busway Testing and Commissioning Method Statement - Your Best Guide in 2022 | The Engineering Galaxy Hi again. Here you will learn all thing about MV Switchgears. <>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 842.04] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Click to reveal 1.3 QUALITYASSURANCE A. Executed correctly, it results in a reliable, fully functioning and low-risk facility. Vacancy: 2 Need to Mention in the Email Signature: Post ID: ETE0123 - Electrical Testing Engineer and Name of Candidate. Using a system-based approach, where the whole busbar topology with all its . Electricalengineering123.com. 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. Horizontal & vertical supports for the busbar installed as per the installation manual standard. BUSBAR. Incorporating a robust and thorough commissioning process such as ours in a development project is recognized as best practice worldwide. <>>> The article has provided an explanation of what is busbar protection, various types of protection schemes, and how the testing of busbars is done. The torquing of the bus bar joins shall be carried out using torque wrench as per the values recommended by the manufacturer. This test should only be carried out by competent personnel. Each Busbar piece has been Meggered After Installation? rb$y`X%k%TYZeFu$9[ Oe-b%lka&c0X$=-zhuV:T&QTqopLX,bP This is the testing of busbar protection. Required Skills. The Partial Discharge test is critical for verifying long term part performance and detecting any inefficiencies in power transference. The support system for the bus bars is complete. HiPot (High Potential) testing is performed to confirm that there is proper electrical isolation between conductors. 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. Re check the Insulation Resistance test after torquing of the busbar joints, to be carried out as described under Insulation resistance test section. You will be redirected once the validation is complete. Participate and perform on site testing and commissioning for ACMV system. The protection settings should be at the circuit breakers minimum protection level. Following tools and equipment shall be arranged before the activity. 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.