Apply rated voltage and frequency with no mechanical load. Vibration in a motor solo run test electric motors. That is, with the same test connections and with the same test voltage applied for the same length of time. Rtd circuits shall be in accordance with system design intent and machine protection device. Testing can be conducted without interrupting the normal operation of the motor, and in fact should be performed when the motor. Dec 24, 2019 test results of motor starter equipment shall be in accordance with. Motor testing and general checks format electric motor switch. Explain the barrows three general motor fitness test in. Each revision of the st andard since its 1964 introduction as an ieee standard has been to keep the standard current with improvements in instrumentation, with improvements in test tech.
Sign, fax and printable from pc, ipad, tablet or mobile with pdffiller. Ieee standard test procedure for polyphase induction motors and generators 3 park avenue, new york, ny 100165997, usa ieee power engineering society sponsored by the electric machinery committee 4 november 2004 print. Can anybody clarify the technical reason behind inducing 2 line freq. Pass in the configuration tested, the eut equipment under test complied with the standards specified above. It provides information on procedures and testing of major. To do a motor solo run test you need to connect the motor to a power supply. The calculated values shall be verified against acceptance criteria provided in the approved in the induction motor test procedure. Perhaps there is a speed window th at would be acceptable e. Is the motor being run solo on a test bed, in a repair shop. When the trough is adjusted, make sure the front is higher than the rear, this will prevent binding of the material and damage to equipment conveyor interlock a lopro aggregate batcher conveyor is interlocked to the mixer charging conveyor, through the plant electrical system. Please post some vibration spectra taken vertically on all 4. Mechanical motor testing includes things like looking into the cracks of a motor s rotor and lamination sheet makeup.
Every electrical circuit is designed to operate on a certain amount of voltage. Rules for classification and construction vi additional rules. While each motor test applies to most alternating current ac or direct current dc motors, each testing method depends on the construction and application of the motor in question. Run for 4 hours and record the temperature, vibration levels, voltage and current. Please post some vibration spectra showing frequencies up to 10x rotation from prox probes and casing measurements. This application edge series outlines what a factory acceptance test is, the different kinds of testing available for motors, industry standards that govern motor testing, and recommendations for the type of test to select.
Precheck list for motor solo run physical quantities electric power. All safety materials and equipment warning signs, barricades, fire extinguisher, etc. Similarly the range of ammeter and voltmeter during blocked rotor test, 10a, 250v. The majority of which start up and behave as one would expect normal vibration and temperature profile in line with api541. Testing can be conducted without interrupting the normal operation of the motor, and in fact should be performed when the motor is under a minimum of 70% load. Motor solo run or the commonly called no load test will be performed in all of the.
Induction motor solo run test amp maintenance forums. Irjetinternational research journal of engineering and. Check for burnt, damage to body or cooling fan or shaft. After the completion of solo run motor testing, reinstall loto, ensure that the lockouttagout permit was signed off. Motor current signature analysis mcsa is a proven and accepted method for determining the condition of a motor s current carrying components.
This standard provides the basic test procedure for evaluating the performance of a. Bearing temperature rise limits following a heat run of 3. For bearings fitted with proximity probes, the unfiltered peaktopeak value of vibration including shaft run out at any load between no load and full load, shall not exceed the following values. The test is performed by applying balanced rated voltage on the stator. Ge motor selection and application guide reference 10. Decrease the voltage slowly, recording both voltage and. Mar 29, 2021 categories electrical power tags 3 phase motor troubleshooting pdf, 3 phase motor winding resistance values, 3 phase testing procedure, how to test a 3 phase motor with a megger, how to test motor windings single phase, motor insulation resistance test procedure, motor megger test results, types of motor testing post navigation. First noload test the noload test, like the open circuit test on a transformer, gives information about exciting current and rotational losses. The acceleration is a measure of the rate of change of velocity over a period of time. Hi all, i observed many times the presence of 2fl in fft of induction motor solo run test, even though vibration level is normal.
Fill motor solo run test procedure pdf, edit online. Motor solo run test duration cr4 discussion thread. All variable such as current, voltage, power, stator temperature, bearing temperature are measured at the start and also in each 30min based on the. Ieee std 1122004, ieee standard test procedure for polyphase.
Apr 20, 2014 commissioning procedure for solo run test and load run test open all drains of steam in turbine sev drain nozzle chest drain wheel case drain casing drain throttle valve drain check oil level in oil tank through oil level gauge and temperature of the oil should be minimum 35deg c ensure that cooling water to oil cooler. Induction motor parameters locked rotor test the locked rotor. Motor solo run test procedure pdf fill online, printable, fillable. If there is a fluctuating amplitude of 2fl then what its indicate. To demonstrate this, use a motor without an external fan. The following plots were taken when tested motor solo run. The motor shall be run at the rated voltage and rotor speed at the noload condition, and noise level should be measured at the 8 to 12 points depending on motor size and in motor premier at 1. With the motor at normal operating temperature, the vibration velocity shall not exceed 2. Induction motor testing routine testing or fat test. Check the motor is correctly connected to the available power supply voltage. Ground the motor leads after the test and discharge motor windings. Precheck list for motor solo run physical quantities. One of the most overlooked tests when troubleshooting starting problems is a voltage drop test.
Precheck list for motor solo run free download as excel spreadsheet. Standard test procedure for polyphase induction motors and generators. Za page 6 how to test for a starter motor voltage drop. It was a 4 hour run test as per menufecturer instructions, however for a wide range of motors i used 4 hour test.
To calculate the rotational loss, subtract the stator i 2 r losses from the input power. This standard provides the basic test procedure for evaluating the performance of a polyphase induction motor or generator of any size. Mar 29, 2019 with an ohmmeter set to the resistance or ohms test setting, place test probes into the appropriate jacks, usually the common and ohms jacks. This is the most common duty classification and accounts for approximately 90% of motor applications. The ieee 112 standard is a test procedure that describes motor efficiency testing. Inspection and test procedures for rotating machinery.
Oct 26, 2020 when motor runs for some times and bearings get lubricated fully, at that time readings of applied voltage, input current and input power are taken. Or, is the motor being run solo in its natural habitat, just uncoupled from the pump, fan or whatever. Operate the motor at rated voltage and record the current. To obtain short circuit current and its power factor angle, block rotor test is performed on the motor. Testing and commissioning procedure for electric motors eep. How to test three phase ac motors learning electrical.
Ieee std 1122004, ieee standard test procedure for. Setting up a load to run long enough for the motor to rise up to full temperature can take hours or even a day, leading to a lot of. Running tests without load are made for the determination of core loss and windage. Introduction the purpose of this testing manual is to provide guidelines for inspection and testing of various electrical equipmentin compliance to relevant international standardsspecifications.
Uses same test instrument setup as lockedrotor test. Test report test system schleich mtc215kv 8129 test program tsa standard 480 volt result pass test date 2620 8. Im working in a new refinery project witnessing about 3,600 motor solo run tests. Energize control circuit of starter, put starter in test p. The output of the tachometer should be connected to a stripchart recorder. The complete guide to electrical insulation testing. Attach copy of fire pump flow test results to include voltage, current and pump speed r.
Ieee std 9982012 guide for direct lightning stroke shielding of substations. Motor solo run test procedure pdf 14 ranesslemons ownd. To make this test, a dc tachometer should be connected to the motor shaft. The mechanical run test is performed after successful completion of the pump performance test and net positive suction head test. Test to obtain more reliable values ranges of both wattmeter should be 10a, 250v for blocked rotor test. Next, you observe the motor s vibration, temperature, and sounds. Motor solo run or the commonly called no load test will be performed in all of the motors installed in the industrires for efficient process requirement. Vibration stabilizes at 35micrometers after motor running temp is. Test equipment used for solo run test clampon ammeter insulation resistance tester multimeter stopwatch surface pyrometer or applicable temperature.
Pcp072 mv motor 4 hour run test nema frame, form wound induction and synchronous motors precommissioning form. Sep 10, 2020 with the motor at normal operating temperature, the vibration velocity shall not exceed 2. Energize control circuit of starter, put starter in test position and check functioning of. Let the total input power supplied to induction motor be w 0. Motor testing and general checks format electric motor. A requirement of motor service that demands operation at an essentially constant load for an indefinitely long time. As long as the motor will maintain speed, we can reduce the voltage and expect a moreorless linear change in current. Based on the api 610, the pump shall be run for 4 hours at the rated flow and pump operating parameters shall be recorded periodically e.
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