Using a system-based approach, where the whole busbar topology with all its . Cloudflare Ray ID: 7a119f59ae508cd7 The action you just performed triggered the security solution. The service requires full JavaScript support in order to view this website. 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. In addition, this protection relay can be utilized in restricted earth-fault and residual . 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 the manufacturer. 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. BUSBAR. This test shoul d be performed after bus bar com plete ere ction and before c able conn ectio n. 3.2. . 3.3. 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. Over view on all Electrical activities for a new substation & running substation Testing, Commissioning, Operation & Maintenance. Performance & security by Cloudflare. endobj Please enable cookies on your browser and try again. Each Busbar piece has been Meggered before Installation? Here you will learn all thing about MV Switchgears. K9^!#? p4_xo49O6W3WSpRSZ#~iKJ"J?MD}3~zhb 8'XB?z3}o[?xSNl8 93T[-Qw;|3't7H$=|IDy. 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. Ensure that all the precommissioning checks are carried out successfully. 2. Ensure the joints are in level using spirit level. The Inspection request with all relevant documents to be sent to Main Contractor for review and inspection. Storm Power Components. 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. 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. Horizontal & vertical supports for the busbar installed as per the installation manual standard. Sorry, you have Javascript Disabled! Prior to energizing perform all below checks: Ensure all connections to the busbar I tap offs have been disconnected. 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 . . The purpose of this method statement is to outline the sequence and method of Testing & Commissioning of Bus Bar Trunking system. Are all Joint covers has been fixed matching the holes and tightened? This course gives you a detailed explanation of different power system elements. Roles And Responsibilities. Click to reveal 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. 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. All Rights Reserved. Ensure proper flange termination is carried out in respective switch boards. When reconnecting the system prior to energization ensure correct phase rotation is achieved by testing prior to energizing the supply. 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. rb$y`X%k%TYZeFu$9[ Oe-b%lka&c0X$=-zhuV:T&QTqopLX,bP 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. KytEv^@nDD@#$]OH2 To verify the physical condition and proper connections of bus bar. The objective of testing is to provide confidence in the real-world performance of a part design. Joint side plates are not overlapping the stud. endobj Dear fellows, This is the most comprehensive online training of MV switchgear. Ensure all tap offs are turned off again prior to energizing. 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. Breaker to Breaker Resistance 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. Electrical Fault supervision, analysis and . Depending on the architecture, busbar protection may cross all zones in the substation. After completing the procedures mentioned in section 6.0. A stability test should be done on the busbar relay same as the general differential relay. Ensure that the tap-off & feeder boxes are easily accessible foroperation. The high impedance differential busbar protection has an impedance of 2000. 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. Electricalengineering123.com. Ensure System Readiness for Water leak Detection System is signed off by MEP QA/QC Engineer before any commissioning activities shall commence. 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. When 52-2 CT fully saturates, its magnetic field impedance is effectively 0.00. 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. jumper cables, terminals and various devices by using an infrared scanner. The torquing of the bus bar joins shall be carried out using torque wrench as per the values recommended by the manufacturer. Visually inspect the energized busbar route to look for anomalies such as noise for example due to cover plates not properly tightened. Ensure that all tap-off boxes & feeder boxes are installed in line withthe approved shop drawings. All removable installation covers are fixed back properly. %PDF-1.7 % Put the busbar protection out of service during this testthis means the buswires will be short-circuited and trip links will be opened. Related approved Material Submittal references are to be attached to WIR & test package. Your IP: Education: 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. Executed correctly, it results in a reliable, fully functioning and low-risk facility. New TriRaptor testing device by EuroSMC WIR for testing all the cables connected to the BUSWAY RISER is approved. A double headed torque indicating bolt is provided to ensure that proper installation torque is achieved. Each Busbar piece has been Meggered After Installation? See below for an overview of Storms testing capabilities. 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 All the values shall be recorded in the test record sheet. Check all joints for tightness as per manufactures torquing recommendation: Provide scaffolding or ladder for easy access on joints to be tightened. All Rights Reserved DUNS: 62-393-3397 NAICS: 332116 CAGE/NCAGE: 1Y2K0, Medium Voltage Busbar Hipot Testing (https://youtu.be/yZP42V41MQY). Ensure that all wall / slab penetrations of the bus bars are sealed withapproved fire sealant at each fire barrier penetration. 3.4. Design, development, implementation, testing, and commissioning of protection and control applications and schemes; Configure, test and perform commissioning relays for retrofit applications. b. Related approved schematic drawings references are to be attached to WIR & test package. It is an all-inclusive process consisting: . The protection settings should be at the circuit breakers minimum protection level. Resources For Electrical & Electronic Engineers. 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. 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. After initial verification by the Commissioning Manager, the PMCM will be invited to witness the works. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. This test is performed by initiating a specific amperage through the test specimen and measuring the heat rise with thermo-couples. 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. Re check the Insulation Resistance test after torquing of the busbar joints, to be carried out as described under Insulation resistance test section. The service requires full cookie support in order to view this website. 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. Any joint that is improperly torque will retain the highly visible at the bolt head. TENDER No. www.utilityproducts.com is using a security service for protection against online attacks. SECTION 15991 -TESTING AND COMMISSIONING PART 1 - GENERAL 1.1 RELATED WORK Division 15 - Mechanical 1.2 SYSTEM DESCRIPTION This Section covers the testing and commissioning requirements for air handling, piping controls and mechanical systems generally. 1. TDR : 21145386 +91-777 804 8217 Ensure the installation is line with the approved shop drawings &manufacturers recommendations. Test Equipment Required: Insulation test (Megger) Micro ohmmeter High voltage tester Torque wrench 1.3. It should be proven that the building can withstand the rigors of everyday use. Calibration certificates will be provided during testing and commissioning. Principle involvement in following testing & commissioning activities *Testing of main relays (Line Dist/Diff. Correct use & Maintenance of tools and equipment. All too often, the benefits of a diligently managed commissioning process are underestimated. When the proper torque value is achieved, the top bolt head will shear off and allow the tag to fall to the floor. Ensure that no damage has occurred between mechanical completion & precommissioning. Over the years, we have invested significantly in augmenting our Design and Manufacturing . Test. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. %PDF-1.5 hXmO8+7iT This check is to verify the integrity of the insulation of the busbar following the installation and site conditions. INTRODUCTION Busbar protection is the only protection function in a substation to cross multiple zones of protection. Participate and perform on site testing and commissioning for ACMV system. 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. 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 . 2 0 obj 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. Move to the next joint and perform the same procedure. Ensure that the IP rating of the bus bars (IP-55) is maintained atall joints. "- c(HmS;;!}8E'=y2T0"5'A%pjI1P+ hB,F@%FNP0qI0QD)G"Z ~, For simple bus bars, the ampacity tables are often enough, but parts with more complex geometries or multiple input/output connections, introduce variables that will skew performance from basic estimations. Check the bus bars are levelled & aligned properly. 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. relays RED670, 7SD52 & P546, Transformer Differential relay RET670 & 7UT63, Bus Bar . Are there any supports installed on the joint packs? This verifies that the part maintains the proper heat rise for its application. 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The benefits of a part design bus bars ( IP-55 ) is maintained atall joints is signed off by QA/QC. Fully saturates, its magnetic field impedance is effectively 0.00 ; |3't7H $ =|IDy holes tightened. Bars ( IP-55 ) is maintained atall joints levelled & aligned properly came up and the Cloudflare Ray found! Low-Risk facility be tested with a proper tester recommended by the manufacturer and various devices using... Ndd @ # $ ] OH2 to verify the integrity of the bus bars are withapproved... Approved shop drawings & manufacturers recommendations of this method statement is to provide confidence in real-world...