Core loss tester computerized paramount conductors. A one turn test loop operating at high current and low voltage energizes the back iron. For full information about the meter exchange program, keep reading. Coreloss testing is one of the critical quality assurance tools in the motor repair industry. The core loss tester includes a variable reactance transformer vrt with solidstate controls, a digital metering package, computer system, and test cables with quick connecting fittings. Estimate inductor losses easily in power supply designs. Motor core loss test set model number cl25a version 3.
Fot930 max tester multifunction loss tester standard data reporting features the fot930s software automatically sets up test data in an easytoread, wellorganized table. The model 1081h provides documentation of the rebuild and manufacturing processes by automatically generating customized reports detailing core. Core loss tester core loss testing panel oem manufacturer from. The phenix technologies core loss test set is a continuously variable low voltage. Our testers simulate realworld motor operating conditions and compares core loss calculations with our industry leading mp 7 software database. We provide free computer software along with instrument to create test report in computer. Free computer software along with instrument to create test report in.
Core loss testing provides a quick and efficient method for determining core losses found in the core steel of stators, rotors, and armatures, we recognized that core loss was a significant cause of wasted electrical energy that could result from overheating during operation or during winding burnout, as well as from physical damage. In the 1970s, lexseco s founding engineers recognized that no quick and efficient method existed for standardized motor core testing. Motor core loss tester excessive core loss negatively affects the efficiency and reliability of a motor. The fot930 maxtester offers automated, bidirectional insertion loss testing, orl and fiber length measurement. Also, a software tester is also given health insurance, bonuses, gratuity and other perks. Core loss testing is necessary to insure the quality of a motor or motor rewind. When compared with a conventional epstein testing method, our method is faster and easier yet still accurate. Our testers simulate realworld motor operating conditions and compares core loss calculations with our industry leading mp 7 software.
Universal motor stator core loss tester buy motor stator. Oem manufacturer of core loss tester core loss testing panel offered by veer electronics private limited, gandhinagar, gujarat. The main screen shown on page 9 of the users guide will then appear. Perform hot spot testing to identify localized shorted. For our core loss testers, we offer both inhouse and onsite calibration for testers with old meters. Lexseco s mp 7 tm is the all new electric motor testing utility for the next generation.
Open or short one end of the the cable you wish to test. Testing is simplified thanks to the highly intuitive user interface and integrated test functions, taking software userfriendliness to the next level. The model 2125 simulates the realworld operating conditions and calculates core loss based on actual device characteristics using our industryleading mp 7. Electrical test and measuring equipments surge tester. R motor core loss test sets phenix technologies inc. In conformity with core steel manufactures published data, the back iron is energized to 85,000 lines of flux per square inch density,175 gauss. Damage could include shorts between laminations and damage caused by winding failure. They spent several years developing the first commercial core loss tester and test database. Core loss test is vital step in the rewinding of a motor. Lexseco offers its customers an effective and affordable upgrade package for older coreloss testers. Perform the initial return loss bridge calibration. Damage could include shorts between laminations and electrical arching. We provide free computer software along with vct01 so, you can create test report of test specimen in computer. A vital step in the rewinding of a motor is performing a core loss test before the windings are removed to detect any damage to the core.
Key to evaluating the results of core loss testing is taking a large random sample of stator core tests. Changzhou supplier core loss tester iron loss tester for moa specification model hps2735 feature displayer large lcd display digits 5digits measurement function measurement range 1uv21mv measurement speedtimesec slow. Our core loss tester is designed to measure electromagnetic steel sheets for core loss. Core loss testing has become one of the most important tests for quality assurance in the motor industry. This is a 1 owner 25kva tester with a windows 7 computor with the latest software, this unit will test a 1250 hp motor and will test very small motors with the same accuracy. Lexseco core loss testers are used around the world by motor repair. Core loss tester manufacturers, exporter company in india.
Core loss testing provides a quick and efficient method for determining core losses found in the core steel of stators, rotors, and armatures. The lexseco core loss tester provides highly accurate, waveformindependent readings by utilizing high resolution flux, current, and power measuring devices for the core being examined the core loss tester includes a variable reactance transformer vrt with solid state controls, a digital metering package, computer system, and test cables with quick connecting fittings. With the aid of statistical analysis, the average core loss and distinct marginal and maximum rejection limits can be calculated. Dachit3 is a tester that has been developed to make automatic measurements of direct current tests of appliances such as high voltage rotating machines and stator coils. We provide free computer software along with instrument to create test report on the computer. Now, a 500 hp stator core with a known watt loss can be compared to that of a 5 hp stator.
Core loss testing has long been one of the most important quality assurance tools in the electric motor repair industry. These units have very low distortion, independent of load and output setting. Most shops use commercially available core loss testing machines, such as those made by lexseco and phenix. After the computer startup is complete, click the wincore icon to launch the system software. Perform core loss testing on stators, rotors and armatures. Core loss testing is necessary to insure the quality of a. Paramount core loss tester is designed for testing hot spot in statorrotor core.
Lexseco core loss testers the lexseco core loss tester product line is a fully automated high current, low voltage test center designed specifically for testing stators, rotors, and armatures up to 10,000hp. A realistic duty cycle allows you to overexcite and heat the core sufficiently to locate hot spots. After the computer starts the windows operating system, it will automatically start core loss for windows. Th is motor core te ster is designed for measuring the magnetic parameters, such as magnetic flux density b, magnetic field intensity h and iron loss p, for dynamo stator core s and toroidal transformer core s it is important to evaluate the magnetic performances of the finished cores, since the physical properties, especially the iron. The function of a core loss test set is to determine whether a motor has damaged core iron. To compare core performance of all five magnetics powder core materials, download our curve fit equation tool or view our list of powder core calculations. Core lamination testing of induction motors duration. The new core loss tester system not only comes with a bunch of new components and the eligibility for the flux meter exchange program, but additionally comes with the mp 7. That resistance is calculated from the rms voltage across the inductor and the core power loss. The function of a core loss test is to determine weather a motor has damaged core iron. The model 1081h simulates the realworld operating conditions and calculates core loss based on actual device characteristics using our industryleading mp7. The lexseco core loss tester is a device for analyzing stator, rotor and armature cores. The lexseco core loss tester relies principally upon the watts per pound kilogram criterion to determine core loss.
When compared with a conventional epstein testing method, our. Core loss testing occurs as part of a rewind, and in this context we are discussing the typical induction motor. The clseries of core loss testers manufactured by phenix offers several important technical advantages over. That is, measure the dc output voltage, at the operating frequency, of a unterminated bridge. Core loss test should be performed before the windings are removed to detect any damage to the core. Your lexseco core loss tester is designed to be used with lexseco mp 7tm software. Core loss testing is one of the most important quality assurance tools in the motor repair industry and is virtually a requirement when rewinding a motor. The measurement voltage is output between dc 010 kv, and after selecting polarization index pi mode or leakage index li mode, measurement is conducted automatically for the designated duration at the. Core dimensions and meter readings are fed into the mp 7tm software which. The model 1081h core loss tester is a fully automated high current, low voltage test center designed specifically for testing rotors, stators, and armatures up to 500 hp or 10kva. Going to the fp3 data sheet, core loss at 6 gauss and f sw 1 mhz is approximately 470 mw. Dx30sst silicon steel sheet iron loss meter adopts scm technique and analog electronics technique, the magnetic circuit of permeameter adopts low loss silicon steel iron core, it is a small tester for measuring the characteristics of silicon steel sheet, met the requirements of tracing the brand.
Now the industry standard since 1982, lexseco has the knowledge and experience as the originator of commercial core loss testing. The model 2125 core loss tester is a fully automated high current, low voltage test center designed specifically for testing rotors, stators and armatures up to 5000 hp or 125kva. Mp 7 tm utilizes modern metering technology which provides the user handsfree, automated testing, as well as a newly designed user interface that allows the software to be more intuitive than ever before. Core loss calculation the article below provides a stepbystep method to calculate losses generated by powder cores under certain conditions. Applied dynamics recognizes that core loss is a significant cause of wasted electrical energy that may be caused by overheating during operation or during winding burnout, as well as from physical damage.
Silicon steel sheet iron loss tester, iron loss tester. Formation response testers frt are designed to accurately measure the permeability changes of a formation sample when exposed to a variety of test fluids. With these type testing machines, a large conductor is looped through the core and back to the machine where a high current. Place the core loss tester main breaker to the on position. This insures test results that are both accurate and repeatable. From then, the core loss testers have advanced to becoming a fully automated system which can test flux, amperage, and wattage. Price includes the rotor clamps and is in excelent working condition. Core loss testing provides a direct reading of core loss in wkg or wlb from a single sheet sample. Upgrade package for older model lexseco core loss tester. In addition, the software records the ampere turns per inch centimeter atin or atcm, which is a measurement of the magnetizing power required to produce a certain flux density in the iron laminations.
The core loss tester includes a variable reactance transformer vrt with solidstate controls, a. Motor core loss test set model number cl125a serial. Connect the other end of the cable to the return loss bridges z 2 port. Heat will reduce the reliability of the motor and its overall life.
Core loss testing provides a quick, efficient, and highly accurate method for determining losses found in the core of stators, rotors, and armatures. This highly refined combination of software and hardware will. Userfriendly software guides the operator through the test sequence. The importance of stator core loss testing before and. Core loss testing has become one of the most important tests for quality. Damage could include shorts between laminations and electrical arcing.
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