Test asus transformer book t300lac4006h convertible. Windows 8 is designed with touch in mind and a dedicated asus human computer interface team has helped make it even more intuitive to use, with features like a responsive multitouch display and a large touch pad. Ive scoped out some of the t300 android covers but it look like theyre just a bit too different. Power transformer factory acceptance test checklist basic. Sfra testing on transformers electrical test equipment. The value of the test voltage between phases and between phase and earth is measured at the lv side on an accurate voltage transformer. It also demonstrates how to isolate transformers and how to test for proper noload voltage. Even with very accurate test equipment, results can give an inaccurate representation of an assets health. Do not place your asus transformer book on uneven or unstable work surfaces. Home products transformer testportable ct pt analyzer. In this test we confirm the ct secondary connection.
Asus transformer book flip tp300lac4032h notebookcheck. The test and assessment of transformers is a complicated task. Instrument transformers for metering purposes must have a high degree of accuracy up to class 0. Every person has no idea which test to be carried out and which are more important for a long life of a transformer. The variable transformer does not reach the zero position. The connection diagram for the short circuit test on the transformer is shown in the figure below. Cts are instrument transformers used for converting primary current into a reduced secondary current for use with meters, relays. Sfra testing on transformers dismantling a power transformer to determine its condition is hardly ever a practical possibility. Jeho odolny lesteny kovovy povrch a elegantny dizajn na seba strhnu pozornost a. Do not leave your asus transformer book on your lap or near any part of your body to prevent discomfort or injury from heat exposure.
Hence, it is essential to inspect and calibrate those instrument transformers at regular intervals. The no load is represented by the open circuit, which is represented on the right side of the figure as the hole or incomplete part of the circuit. The gf106t ct analyzer is mainly used for field testing of p class ct and pt. This asus transformer book should only be used in environments with ambient temperatures between 5c 41f and 35c 95f. The generator is made of a variable transformer followed by a transformer. Its a 2in1 device with a firm tabletfirst design that runs intels core m cpu. This is really an amazing device, and i would not hesitate to get one. Use small jumper to short the ct secondary from ct box, the measurement will be gone at panel. Ausfuhrlicher test des asus transformer book t300lac4006h intel core i5 4200u, intel hd graphics 4400.
A considerably lower price and considerably less features. Testing transformer3 easy methods to test transformers. Transformer on no load condition when the transformer is operating at no load, the secondary winding is opencircuited, which means there is no load on the secondary side of the transformer and, therefore, current in the secondary will be zero. Current transformers play an important role in the monitoring and protection of electrical power systems. Asus transformer book t300la c4001h hd graphics 4400, core i5 4200u. Generally there are two types of transformer in the market i. From this video you will learn how to replace the power button module in your laptop. It is mainly used for field testing of p class ct and pt. Pc portable asus transformer book tx300cac4006h pc convertible smart pc processeur intel core i53317u a 1,70 ghz ecran tactile full hd,3 16. Asus transformer book t300ladh51t haswell now available. Heres a summary of the current transformer testing paper. To avoid such type of problems while inspecting transformer find the below c hecklist for transformer factory inspection. A low voltage of around 510% is applied to that hv side with the help of a variac i.
Any returned computer that is damaged through customer misuse, is. Test connection w 1 synchronous generator 2 test transformer 3 current trans. In this article im only explain on how to test the linear transformer. Asus transformer book t300la general discussion the forum for discussions questions specific to the t300. Transformer on no load condition its phasor diagram. The minimum insulation resistance value accepted in each of the above tests is 2m. How to use an ohmmeter to test an ac transformer sciencing. Im keeping an eye out for a cover just for the table part of my asus transformer book t300la.
Sweep frequency response analysis test or in short sfra test can detect efficiently, displacement of transformer core, deformation and displacement of winding, faulty core grounds, collapse of partial winding, broken or loosen clamp connections, short circuited turns, open winding conditions etc. The test items mainly include excitation characteristic, polarity, phase and ratio error. Insulation dielectric test of transformer electrical4u. Insulation resistance test between windings the minimum insulation resistance value accepted in the test is 2 m. May 12, 2017 it is essential to inspect and test current transformers and their connected instruments at regular intervals. Current transformer testing electrical test equipment. The following sections of the ansineta standard for acceptance testing specifications for. Ausfuhrlicher test des asus transformer book t300fafe001h intel core m 5y10, intel hd graphics 5300, 12.
Transformers experience power loss due to load resistance, which you can test with an ohmmeter by touching the meters red and black pins to opposite ends of the transformer s wiring. Asuss offering in the pcmeetstablet arena is the transformer book chi series, and consists of three superthin convertible laptops. Asus transformer book t300lac4020h im test pc magazin. This video shows asus transformer book t300 power button replacement. The purpose and significance of transformer no load test and load test. Transformers experience power loss due to load resistance, which you can test with an ohmmeter by touching the meters red and black pins to opposite ends of the transformers wiring. Back to the basics current transformer testing ct as test equipment becomes more sophisticated with better features and accuracy, we risk turning our field personnel into test set operators instead of skilled field service technicians. Poweron selftestpost this chapter shows you how to use post to change the settings of your asus transformer book. The opencircuit test, or noload test, is one of the methods used in electrical engineering to determine the noload impedance in the excitation branch of a transformer. Nov 17, 2019 the dielectric test of transformer is generally performed in two different steps, likewise, separate source voltage withstand test and induced voltage withstand test of transformer, which we have discussed one by one below. Asus transformer book t300la c4001h transformer book serie procesador. The purpose and significance of transformer no load test. These are some common tools used to work on this device. A fault leading to an open secondary could cause the primary current to overwhelm the insulation, causing the winding to short circuit.
Asus transformer book t300la dh51t tablet with keyboard. The transformer loss is an important performance parameters, on one hand, it indicates the efficiency of the transformer in operation, and on the other hand, it also indicates whether the performance of design can meet the. Open and short circuit test of transformer electrical4u. T2000 test set for testing cts, pts primary injections. The latest sfra test sets make these techniques more accessible, more convenient and. Asus transformer book t300 is wonderfully tactile, but that goes well beyond just the feel of its beautiful brushed metal finish.
Portable ct pt analyzertransformer testgfuve electronics. The course demonstrates how to identify a faulted transformer. Feb 18, 2014 the value of the test voltage between phases and between phase and earth is measured at the lv side on an accurate voltage transformer. Separate source voltage withstand test of transformer this dielectric test is intended to check the the ability. All necessary steps presented here in this video guide. Because vendor provides test list as per his suitability. A 500v insulation resistance test is suitable for 110 400 volt transformers.
For those of you who like the idea of having a tablet and notebook in one physical device, the asus transformer book t300 chi is a neat example of what you should be looking for. Section 7 of the ansineta standard for acceptance testing specifications for electrical power equipment and systems may be reproduced and used on a cut and paste basis for the particular type of equipment to be tested. Testing transformer is very easy if you follow the procedure explained in this article. This also includes 1 year international warranty, 1 year accidental damage, 30 day zero bright dot, 2 way free shipping and a 247 technical support.
A transformer test may have particular sensitivities to test preparation, test lead connections, and the test environment. The winding of transformer may be subjected to mechanical stress. Geforce gtx 1080 ti is the fastest gaming gpu that delivers 35% faster performance than the geforce gtx 1080. At the conclusion of this course, participants should be able to identify a faulted singlephase transformer. The resistance of an alternating current ac transformer is held within the wires wound around its core. Power transformer factory acceptance test checklist. By using the latest proven sfra test techniques, it is possible to accurately assess transformer condition without dismantling it. The need for a comprehensive current transformer testing regime is evident when the alternative is considered.
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