In using the megger, a bit of a learning curve is involved. The information in this manual supplements the owner manual. Knife crosshatch adhesion test procedure for painted elastomeric plastic substrates. A test rig as in claim 1 wherein the inner frame is adapted to carry a dynomometer. A bond test should not be performed on the metal part of the laptop plug as this may damage the charger. Thanks to joseph dambrosio, paolo giusto and several other colleagues. In truth, for an entity the size of general motors, these are the only kind of. 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. Test performed so performed to know the insulation resistance value is.
Information flow and decisionmaking in advanced vehicle. Gm 9503p 612 evaluating brittleness of painted plastics and sealants by means of a mandrel. The measured ir insulation resistance can be of a wire, cable or motorgenerator. How to test three phase ac motors learning electrical. How to use a megger to measure and test motor insulation.
Figure 4typical record of insulation resistance of a mill motor. System test for heavy traffic nervous driver worst case test rde engineering virtual vehicle at engine testbench. Some of the equilibria we outline may reverse one of the main results presented in the standard literature. The megger test is a method of testing making use of an insulation tester resistance. 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. The study was carried out at general motors by collecting the primary data from the managers through structured questionnaire. Gm will demonstrate its growing fleet of selfdriving chevy bolts in san francisco today to investment analysts who are eager. Trans temp 2 trans temp for some vehicles made from 9497.
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 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. Permanent magnet development for automotive traction. Tok location of procedure nano bldg, rm 008 approval signature if required. Megger is also called as a megaohmmeter and is a device used for the testing of insulation resistance of a cable. It uses less conductor material for power transmission than other methods while also providing a constant stream of power through a unique phasedelay between. If the above procedure does not reset the service interval. The insulation resistance test is done to ensure the integrity, i. General motors plans to use the edifact message standards when this type of information is transmitted to trading partners. Supported parameters and functions by manufacturer. 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. Each phase to phase must have a continuity if winding is ok.
Test interphase resistance by disconnecting the leads from each terminal with a flathead screwdriver, then touch any two terminals with the two probes. Again, any debris is concerning, and must be taken. Same or next day shipping with free online tracking. Sometimes the problem with the dc motor may wont be apparent until it is under operation. 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. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The megger insulation tester is essentially a highrange resistance meter. General motors corporation restructuring plan for long. Tok date of creationrevision 642011 name of responsible person jeffrey b. The complete guide to electrical insulation testing.
The preferred location for megger testing is at the motor terminals in the marflex electrical cabinets. Ohmmeter construction and operation explained marine insight. 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. Modeling challenges and opportunities in automotive software development. This tool can average connection speed for any internet provider, country or city in. In addition to these uses of this test, the working principle, operation procedure, types, and applications have also been discussed. Introduction in response to the urgent request of general motors corporation for u. General motors supplier of the year rules and guidelines. 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.
Baldor linear motors and stages steven engineering. The megger tester uses a high voltage, generally in the to 10,000 volt range to identify insulation leakage. General motors factory preowned collection gm employee. 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. Dof forward kinematics inverse kinematics inverse dynamics forward dynamics input, known unknown unknown unknown. Gm 9505p 1005 automotive environment cycles except cycle j gm 9506p 1188. This type of testing requires an insulation tester. Any wet equipment on the ship is susceptible to voltage. General motors chief executive mary barra on thursday defended her efforts to transform the automakers internal culture amid a mounting safety crisis, rebuffing calls. Trans temp 1 transmission temperature for automatic gas vehicles 4. 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. The procedure of insulation resistance test or megger test are given below.
Powertrain dynamic tilt test rig general motors corporation. Condition monitoring visual oil analysismegger test marflex. How to meg a motor with a megohmeter checking motor condition. Pdf general motors increases its production throughput. Electrical test equipment power station to plug megger. A novel method to diagnose pwmfed induction motors. Healthy engines, with healthy air oil separators at sea level will test at 5 of water.
A novel method to diagnose pwmfed induction motors article in ieee transactions on dielectrics and electrical insulation 155. There is new information available when it comes to windshield replacement on general motors gm vehicles. If any particular phase fails the continuity test, your motor is probably burnt. General motors legal team comes under fire at senate hearing.
Insulation resistance testing guide chauvin arnoux. New vehiauto salescles can be financed either through traditional means or consumer automobile. Ac or direct current dc motors, each testing method depends on the construction and application of. 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. D2t, renault, ifp, lms and g2elab launched together the hyhil project, a new test platform for the. Gm 9504p 203 oven aging test procedure for painted plastic substrates. Motors of canada limited for chevrolet motor division wherever it appears in this manual. Change engine oil message and the yellow service wrench are indication reset. 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. Testing a dc direct current motor may take more than just a simple volt ohmmeter. Replacementspare encoder kit for blue max y5xxa774 and y5xxa775 motors.
In the past, forward facing camera calibration was not required when replacing the windshield. This test may take place on installed or onthereel cable, tools, appliances, transformers, power distribution subsystems, capacitors, motors. General motors increases its production throughput 8 interfaces361,pp. Modeling challenges and opportunities in automotive. 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. Supported parameters and functions by manufacturer general motors noncan vehicles pt series gauges. Use cr tools manometer for best results drain engine oil and inspect how the oil looks while draining, inspect engine oil drain plug closely. 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.
The correct settings, connection procedures, test durations and safety precautions must be implemented to avoid damaging the equipment or possible electrocutions. For more info see our application note, pat testing it equipment found on the pat300400 page under resources. Realtime optimal control of a plugin hybrid electric. Routinely using a megger in your maintenance program is a good way to. Motor testing assesses the integrity of a motor through the use of. A test rig as in claim 6 wherein the inner frame is adapted to carry a test engine connected to the. Theresultingtechnicaladvances,implementation activities, and organizational changes spanned a periodofalmost20years. The sale of vehicles can be facilitated in several different ways.
This manual describes features that may or may not be on the vehicle because of optional equipment that was not purchased on the vehicle. In this paper we analyze the problem of the enforcement of incomplete contracts with endogenous outside options. 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. Megger testing works to ensure that electrical insulation is in good operating condition. Then a chisquare test based maneuver detector will declare detection of a maneuver if 2 n 1 where 1 is the level of con. This is due to easy access and megger test results. General motorsreducing its environmental footprint us. 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. Motors, electric motors, ac motors, marathon motors. Figure 3typical scale on the megger insulation tester. Dynapar hsd38 encoder, 526 vdc input, line driver output, 1024 pulses per revolution. 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. Acknowledgements i would like to express my deepest gratitude to my supervisor professor nasser l. Megger guide to electrical insulation testing pdf instrumart.
Linear motors and stages courtesy of steven engineering, inc. Curve b shows same values corrected to 20c see page 22, giving a definite downward trend toward an unsafe condition. The motor under test must be powered down and disconnected from all equipment and wiring not included in the test. A megger is an ohmmeter that measures resistance in the megohm scale. General motors corporation restructuring plan for longterm viability 1. How to test a threephase motor with a megger hunker.
The megger company registered the name megger in may 1903 and today offers a wide variety of ir testers. 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. Gm has changed the calibration requirement of the forward facing camera, which gm refers to. Rising prices of rare earth re elements, price instability, and looming shortage, especially dy. Do you want to research connection speed for general motors corporation. Hyhil a test platform for the development of hybrid vehicle. In cases such, a meg ohm test or megger may be required. Reverse side of card at right is used to record the test data. It is well known that k y 2 n 1 0 1 is distributed for any ndimensional gaussian random vector y n y. Engineerengineer manufacturemanufacture sop start of production vdr verified data release. 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. The block diagram of vsi f ed induction motor is shown in f ig 2.