Ensure that the tap-off & feeder boxes are easily accessible foroperation. To verify the physical condition and proper connections of bus bar. 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 service requires full cookie support in order to view this website. 3 0 obj Cloudflare Ray ID: 7a119f59ae508cd7 Table of Contents 1- Introduction 2- Prerequisites to Procedure 3- Design Parameters 4- Reference Documents/Drawings Are the joint side plates overlapping the stud? Electrical Fault supervision, analysis and . 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. 3.4. 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. It is an all-inclusive process consisting: . 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 Ensure that the Bus Bar System installation is completeand mechanical completion is approved & all comments on theinstallation inspection are incorporated. 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. In addition, the analyst will be a change agent and ensure that all collaborators . This website is using a security service to protect itself from online attacks. Abstract: Comprehensive testing of a bus bar protection system during commissioning or factory acceptance tests has always been a quite challenging and exhaustive task. 1 0 obj In addition, this protection relay can be utilized in restricted earth-fault and residual . 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. Check earth leakage circuit breakers by means of RCCB tester, selecting 50% 100%, 150% of the rated sensitivity currents and the respective trip time to be recorded. Click to reveal 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. Breaker to Breaker Resistance Test www.utilityproducts.com is using a security service for protection against online attacks. Ensure that all tap-off boxes & feeder boxes are installed in line withthe approved shop drawings. Ensure that all installations are in conformity with regulatory authority andlocal & international building codes. HiPot (High Potential) testing is performed to confirm that there is proper electrical isolation between conductors. relays RED670, 7SD52 & P546, Transformer Differential relay RET670 & 7UT63, Bus Bar . jumper cables, terminals and various devices by using an infrared scanner. Read Complete Method. hXmO8+7iT WIR for testing all the cables connected to the BUSWAY RISER is approved. <> 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. Isolate the bus way run by disconnecting all connections to transformers, switchboards, meters, and so forth. Powered by Elevator Commissioning Checklist Download Free Template Check all joints for tightness as per manufactures torquing recommendation: Provide scaffolding or ladder for easy access on joints to be tightened. Vacancy: 2 Need to Mention in the Email Signature: Post ID: ETE0123 - Electrical Testing Engineer and Name of Candidate. Today we will know step by step how to perform Busway Testing & Commissioning on-Site from A to Z. 64.111.109.93 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. To see this page as it is meant to appear, please enable your Javascript! 384 0 obj <>stream 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. Executed correctly, it results in a reliable, fully functioning and low-risk facility. 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 . Your IP: . Are the Tap off box clamps fixed properly as per the Installation Manual? Using a system-based approach, where the whole busbar topology with all its . Each Busbar piece has been Meggered before Installation? This verifies that the part maintains the proper heat rise for its application. Test/report sheets to be distributed as per Project Specifications. <>>> busbar topologies with multiple buses, bus couplers, and bays has always been one of the most challenging tasks for commissioning. 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. % See below for an overview of Storms testing capabilities. 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. Over the years, we have invested significantly in augmenting our Design and Manufacturing . New TriRaptor testing device by EuroSMC `u;?A'Ne`rH @vB9l(hc2f%_n}vnuotkkX-yw,2l WIR for installation is cleared from the major items. Ensure that the phase sequence are same throughout the length. It includes the setting-to-work of installation, the regulation of the system and the fine-tuning of the system.. Lean, Reviews and Lessons Learned) What You Bring 3.3. When reconnecting the system prior to energization ensure correct phase rotation is achieved by testing prior to energizing the supply. A stability test should be done on the busbar relay same as the general differential relay. Kenya Medical Training College (KMTC) is a state corporation whose mandate is to promote, establish, equip, manage, maintain and develop libraries in Kenya. Ensure all tap offs are turned off again prior to energizing. Comprehensive testing of a bus bar protection system during commissioning or factory acceptance tests has always been a quite challenging and exhaustive task. Only authorized, competent personnel should energize electrical circuits in line with switching procedure and permit to work forms provided by the site supervisor. All removable installation covers are fixed back properly. Breakers, CTs, VTs, Busbar, Meters etc.) Ensure all tap off boxes have been correctly installed as instructed. You can email the site owner to let them know you were blocked. 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. The objective of testing is to provide confidence in the real-world performance of a part design. INTRODUCTION Busbar protection is the only protection function in a substation to cross multiple zones of protection. The support system for the bus bars is complete. 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=^) Performance & security by Cloudflare. Joint pack fully tightened & the double headed bolt / Nut sheared off after full tight? Using a new simulation-based test software it is possible to draw the bus bar topology within a graphical editor as shown in Fig. 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 . Click to reveal 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. |cj/M-(CwK@ZGehrZ DyhN-$ 0 HWk0Gi,aYR4]qCd(cPs:N;URIrAKReEvOOa8:N s.@pF 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. 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 . Each Busbar piece has been Meggered After Installation? Correct use & Maintenance of tools and equipment. Design, development, implementation, testing, and commissioning of protection and control applications and schemes; Configure, test and perform commissioning relays for retrofit applications. Are there any supports installed on the joint packs? All Rights Reserved. Put the busbar protection out of service during this testthis means the buswires will be short-circuited and trip links will be opened. a. Check the bus bars are levelled & aligned properly. The action you just performed triggered the security solution. Are all Joint covers has been fixed matching the holes and tightened? %PDF-1.5 When the proper torque value is achieved, the top bolt head will shear off and allow the tag to fall to the floor. K9^!#? p4_xo49O6W3WSpRSZ#~iKJ"J?MD}3~zhb 8'XB?z3}o[?xSNl8 93T[-Qw;|3't7H$=|IDy. endstream endobj 328 0 obj <>stream Safework Method Of Statement. This is the testing of busbar protection. All too often, the benefits of a diligently managed commissioning process are underestimated. The purpose of this method statement is to outline the sequence and method of Testing & Commissioning of Bus Bar Trunking system. Transformer, RMU, MV Cable, Grounding & Lightning . 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 Ensure that no damage has occurred between mechanical completion & precommissioning. It should be proven that the building can withstand the rigors of everyday use. 1. Ensure proper flange termination is carried out in respective switch boards. When 52-2 CT fully saturates, its magnetic field impedance is effectively 0.00. Joint side plates are not overlapping the stud. 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. www.utilityproducts.com is using a security service for protection against online attacks. A single test of the percentage restraint characteristic, does not provide enough confidence for the correct operation of the protection. Resources For Electrical & Electronic Engineers. 6.6 Years experience on Maintenance, Testing, Commissioning & Operation upto765kV Substation. As a result, In su lation Resistance test: This check is to verify the integrity of the insulation of the busbar following the installation and site conditions.

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