Knife crosshatch adhesion test procedure for painted elastomeric plastic substrates. Same or next day shipping with free online tracking. How to test a threephase motor with a megger hunker. Baldor linear motors and stages steven engineering. The correct settings, connection procedures, test durations and safety precautions must be implemented to avoid damaging the equipment or possible electrocutions. Tok date of creationrevision 642011 name of responsible person jeffrey b. General motors chief executive mary barra on thursday defended her efforts to transform the automakers internal culture amid a mounting safety crisis, rebuffing calls. Supported parameters and functions by manufacturer. Acknowledgements i would like to express my deepest gratitude to my supervisor professor nasser l.
For three phase motors, connection type is either star y or delta ac motor winding continuity test using a multimeter, check the continuity of motor winding from phase to phase u to v, v to w, w to u. Permanent magnet development for automotive traction. Government assistance to sustain operations, speaker of the house of representatives nancy pelosi and senate majority leader harry reid in a letter dated november 21, 2008, have asked. Powertrain dynamic tilt test rig general motors corporation. This manual describes features that may or may not be on the vehicle because of optional equipment that was not purchased on the vehicle. A test rig as in claim 4 wherein the drive motors are rated at not more than 2 hp and the gear boxes have a reduction ratio of at least 100 to 1. Megging a motor is a term used to test a 3 phase motor to check the resistance and condition of the motor windings using a megohmeter. Rising prices of rare earth re elements, price instability, and looming shortage, especially dy. Hyhil a test platform for the development of hybrid vehicle. D2t, renault, ifp, lms and g2elab launched together the hyhil project, a new test platform for the. Trans temp 1 transmission temperature for automatic gas vehicles 4. In this paper we analyze the problem of the enforcement of incomplete contracts with endogenous outside options.
Test performed so performed to know the insulation resistance value is. Ac or direct current dc motors, each testing method depends on the construction and application of. A test rig as in claim 6 wherein the inner frame is adapted to carry a test engine connected to the. A novel method to diagnose pwmfed induction motors article in ieee transactions on dielectrics and electrical insulation 155. Linear motors and stages courtesy of steven engineering, inc. Engineerengineer manufacturemanufacture sop start of production vdr verified data release. General motors factory preowned collection gm employee. There is new information available when it comes to windshield replacement on general motors gm vehicles. This is due to easy access and megger test results. We then revisit the literature on the highly debated fisher bodygeneral motors merger and suggest an explanation based on gms need to control the fisher. The complete guide to electrical insulation testing. For more info see our application note, pat testing it equipment found on the pat300400 page under resources. Megger makes electrical test equipment to help you install, improve efficiency and extend the life of electrical assets and cable networks at high, medium and. The measured ir insulation resistance can be of a wire, cable or motorgenerator.
Dmms are considered a multifunction tool because they combine multiple. How to meg a motor with a megohmeter checking motor condition. Supported parameters and functions by manufacturer general motors noncan vehicles pt series gauges. Insulation resistance testing guide chauvin arnoux. We verify the electrical insulation level of any device such as motor, cable. In cases such, a meg ohm test or megger may be required. Some of the equilibria we outline may reverse one of the main results presented in the standard literature.
The device is being used since 1889, popularity raised during 1920s, since long back devise is same in its uses and purpose of testing, few real improvement appeared in recent years with its design and quality of tester. General motors plans to use the edifact message standards when this type of information is transmitted to trading partners. Gm 9504p 203 oven aging test procedure for painted plastic substrates. The preferred location for megger testing is at the motor terminals in the marflex electrical cabinets. Each phase to phase must have a continuity if winding is ok.
Curve b shows same values corrected to 20c see page 22, giving a definite downward trend toward an unsafe condition. Figure 3typical scale on the megger insulation tester. The data was analyzed by descriptive analysis and anova technique the result revealed that there is a significant relationship between tqm implementation and high productivity and quality. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. For step less speed control below and above the rated speed with high torque and to avoid the harmonics, the pwm inverter fed induction motor control is the best suitable one. A megger insulation resistance tester is especially useful when you have carried out electrical work on your home and want to make sure you didnt damage insulation or make a wiring mistake.
General motorsreducing its environmental footprint us. If any particular phase fails the continuity test, your motor is probably burnt. A novel method to diagnose pwmfed induction motors. Replacementspare encoder kit for blue max y5xxa774 and y5xxa775 motors. The procedure of insulation resistance test or megger test are given below. This test may take place on installed or onthereel cable, tools, appliances, transformers, power distribution subsystems, capacitors, motors. To test a cable with a megger, you connect one probe to the outside of the cable and, with the power turned off, you touch the probe to the conducting wire at the point of connection.
New vehiauto salescles can be financed either through traditional means or consumer automobile. Testing a dc direct current motor may take more than just a simple volt ohmmeter. Gm 9505p 1005 automotive environment cycles except cycle j gm 9506p 1188. Test interphase resistance by disconnecting the leads from each terminal with a flathead screwdriver, then touch any two terminals with the two probes. The fisher bodygeneral motors 1919 supply agreement the fisher bodygm case concerns a contract signed in 1919 for fisher body to supply automobile bodies to gm. Condition monitoring visual oil analysismegger test marflex. The motor under test must be powered down and disconnected from all equipment and wiring not included in the test. Gm 9503p 612 evaluating brittleness of painted plastics and sealants by means of a mandrel. Change engine oil message and the yellow service wrench are indication reset. Then a chisquare test based maneuver detector will declare detection of a maneuver if 2 n 1 where 1 is the level of con. General motors supplier of the year gm employee discount rules and guidelines overview the supplier of the year gm employee discount the program provides eligible participants the participant residing in the united states with the opportunity to purchaselease new and unused vehicles at the programs price at a participatingdealer. This type of testing requires an insulation tester.
Use cr tools manometer for best results drain engine oil and inspect how the oil looks while draining, inspect engine oil drain plug closely. General motors increases its production throughput 8 interfaces361,pp. In addition to these uses of this test, the working principle, operation procedure, types, and applications have also been discussed. In the past, forward facing camera calibration was not required when replacing the windshield. The block diagram of vsi f ed induction motor is shown in f ig 2. Motors of canada limited for chevrolet motor division wherever it appears in this manual. Theresultingtechnicaladvances,implementation activities, and organizational changes spanned a periodofalmost20years. If the above procedure does not reset the service interval. Any wet equipment on the ship is susceptible to voltage. Dof forward kinematics inverse kinematics inverse dynamics forward dynamics input, known unknown unknown unknown.
Ohmmeter construction and operation explained marine insight. Realtime optimal control of a plugin hybrid electric. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Motion analysis simmechanics figure 1 the rr manipulator frames the following table tabulates the summary of different types of analysis that is performed for the rr manipulator introduced in the theory section. General motors corporation restructuring plan for longterm viability 1.
Again, any debris is concerning, and must be taken. The megger tester uses a high voltage, generally in the to 10,000 volt range to identify insulation leakage. It uses less conductor material for power transmission than other methods while also providing a constant stream of power through a unique phasedelay between. Figure 4typical record of insulation resistance of a mill motor. Motor testing assesses the integrity of a motor through the use of. System test for heavy traffic nervous driver worst case test rde engineering virtual vehicle at engine testbench. Healthy engines, with healthy air oil separators at sea level will test at 5 of water. Routinely using a megger in your maintenance program is a good way to. The sale of vehicles can be facilitated in several different ways. Megger testing does not cause any damage, making it a good option when someone does not want to put holes in walls to test electrical insulation for any problems or issues. Gm will demonstrate its growing fleet of selfdriving chevy bolts in san francisco today to investment analysts who are eager. Megger testing works to ensure that electrical insulation is in good operating condition. It is well known that k y 2 n 1 0 1 is distributed for any ndimensional gaussian random vector y n y. Plans to migrate from the ansi asc x12 830 or other proprietary standards w ill be communicated as business plans dictate the need to change.
Introduction in response to the urgent request of general motors corporation for u. A megger is an ohmmeter that measures resistance in the megohm scale. The study was carried out at general motors by collecting the primary data from the managers through structured questionnaire. Dynapar hsd38 encoder, 526 vdc input, line driver output, 1024 pulses per revolution. This tool can average connection speed for any internet provider, country or city in. The megger insulation tester is essentially a highrange resistance meter. The information in this manual supplements the owner manual. Megger makes electrical test equipment to help you install, improve efficiency and extend the life of electrical assets and cable networks at high, medium and low voltage. General motors corporation restructuring plan for long. Do you want to research connection speed for general motors corporation. Pdf general motors increases its production throughput.
In truth, for an entity the size of general motors, these are the only kind of. Motors, electric motors, ac motors, marathon motors. Thanks to joseph dambrosio, paolo giusto and several other colleagues. Information flow and decisionmaking in advanced vehicle. Electrical test equipment power station to plug megger. At general motors, operations research provides that framework, particularly for complex issues and systems that involve multiple objectives, many alternatives, tradeoffs between competing effects, large amounts of data and situations involving uncertainty or risk. Gm has changed the calibration requirement of the forward facing camera, which gm refers to. Tok location of procedure nano bldg, rm 008 approval signature if required.
Reverse side of card at right is used to record the test data. Megger guide to electrical insulation testing pdf instrumart. The insulation resistance test is done to ensure the integrity, i. Megger is also called as a megaohmmeter and is a device used for the testing of insulation resistance of a cable. How to use a megger to measure and test motor insulation. Sometimes the problem with the dc motor may wont be apparent until it is under operation. Modeling challenges and opportunities in automotive software development. The megger test is a method of testing making use of an insulation tester resistance. Trans temp 2 trans temp for some vehicles made from 9497. General motorsreducing its environmental footprint m aintaining its position as the every stage of a products life cycle worlds largest automotive extraction, manufacturing, distribu manufacturer is no small tion, use, and disposalcontributes to task for wastewise partner general the concentration of ghgs in the motors gm. A test rig as in claim 1 wherein the inner frame is adapted to carry a dynomometer. How to test three phase ac motors learning electrical.
The megger company registered the name megger in may 1903 and today offers a wide variety of ir testers. General motors legal team comes under fire at senate hearing. The hil test results demonstrate that the computational time for energyoptimal strategies are less than the target samplingtime, and they can be implemented in realtime. A bond test should not be performed on the metal part of the laptop plug as this may damage the charger. In using the megger, a bit of a learning curve is involved.
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