We highly recommend using a qualified, experienced vendor like tigertek for your spindle motor. In this method the motor is uncoupled from its load and the rated voltage at the rated frequency is applied to the stator to run the motor without the load. For the motor, test the stator winding resistance phasetophase and phasetoground. Induction motor parameters locked rotor test the locked rotor. Consult manufacturer for equipment supplied with metric fasteners. Your effort at site should be to resolve such issues. One of the most overlooked tests when troubleshooting starting problems is a voltage drop test. Note a special purpose machine typically has one or more of the following characteristics. The plans contain 15 pages of professionaly done drawings in pdf format. Running tests without load are made for the determination of core loss and.
Single phase motors quiz questions free online training. In the running configuration, the windings are joined with metal jumpers. Every electrical circuit is designed to operate on a certain amount of voltage. Vibration in a motor solo run test tmoose mechanical 12 apr 19 12. Testing and commissioning procedure for electrical installation 1. Many simple across the line singlephase and 3phase motors used in household appliances and industry respectively can be checked simply by changing the range of the ohm meter to the lowest offered r x 1, zeroing the meter again, and measuring the resistance between the leads of the motor. Apply rated voltage and frequency with no mechanical load. 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. This standard provides the basic test procedure for evaluating the. Here is a run down of what needs to be done during precommissioning and commissioning, respectively.
This set of plans contains blueprint type plans to build our engine test stands. Introduction the procedures stated in this document cover the activities in preliminary tests and inspections, functional performance tests and the commissioning of newly completed installations and existing ones after major alteration. Induction motor performance testing with an inverter power supply. When the motor is running and if the supply to the contactor coil fails, then motor will stop. The easa technical manual is the associations definitive and most complete publication. The inspection and test plan for induction motor article provides you information about induction motor test and induction motor inspection in manufacturing shop. Similarly the range of ammeter and voltmeter during blocked rotor test, 10a, 250v. Motor testing and general checks format electric motor. Rules for classification and construction vi additional rules. Incorporation of revised astm standards that provide flexibility in the use of alternatives to mercurycontaining industrial thermometers pdf 120 pp, 1. Motor is run decoupled and motor vibrations are measured in x,y,z directions. Solo run is, first step for dynamic checking after all static control procedure, also depending on vendor document for every machine or equipment.
One way to test motor direction is to take your best guess on how to connect the leads, then run the motor and note the direction it spins. Uses same test instrument setup as lockedrotor test. Mar 29, 2019 check that the windings are not open or blown. Ieee std 1122004, ieee standard test procedure for polyphase. Regardless of the application, its a good practice to always test rotation. Motor current monitoring and analysis mcsa is a straight forward tool to diagnosing problems with large inductive motors. This is the most common duty classification and accounts for approximately 90% of motor applications.
This set of plans includes 3dimensional rotating assemblies done in pdf files. Optional analog and digital io provides more device flexibility. You have reached 0 of 0 points, 0 not categorized 0% question 1 of 20. Ieee std 1122004 revision of ieee std 1121996 ieee standard test procedure for polyphase induction motors and generators sponsor electric. 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. Pengecekan motor ini terdiri dari 2 tahapan yaitu pengecekan performa motor tanpa beban tanpa di koneksikan dengan copling pompa yang biasa disebut motor solo run no load test dan tahap selanjutnya yaitu pengecekan performa motor load test dengan dikoneksikan dengan pompa. Perform and evaluate an insulation resistance test in accordance with project test procedures.
As always, make sure to disconnect all power from machine before doing anything. The procedure determines the running time and temperature reading intervals. Contactor coils are present in manual motor starters. If the motor is dry you might still give it a bake in a 200 degree f oven for a day or so. Aug 08, 20 how to perform a true load test on your ac and dc drives global electronic services duration.
This table is based on bronze alloy bolts having a minimum tensile strength of 70,000 pounds per square inch. Whether you are a novice or a master technician, these procedures bring reliability to enable accurate and. Test to obtain more reliable values ranges of both wattmeter should be 10a, 250v for blocked rotor test. Notes following a paragraph in sections 1 through 8 are informational only and are not enforceable as part of this standard. Here is a rundown of what needs to be done during precommissioning and commissioning, respectively.
You might still take the motor stator to the shop for a quick check. It is generally a process of moving parts wearing against each other to produce the last small bit of size and shape adjustment that will settle them into a. Inspection and test procedures for rotating machinery. Ieee std 1122004, ieee standard test procedure for.
The below figure shows a basic centrifugal pump test circuit. Motor solo run or the commonly called no load test will be performed in all of. Checking spindle motor windings how to check for bad windings in a spindle motor to check your spindle motor for bad windings, you can use several different methods. Motor current signature analysis mcsa is a proven and accepted method for determining the condition of a motors current carrying components. Precheck list for motor solo run free download as excel. This test would demonstrate a high degree of confidence with respect to mechanical fatigue. The nema petition letter also stated a loss difference of 2 percent is. With the help of the two wattmeters the input power of the motor is measured. Motor controls basic theory quiz free online training. How to make free energy generator 220v with 3kw alternator and 1 hp motor recycle free. Energize control circuit of starter, put starter in test position and check functioning. A protocol involving voltage level, time duration, intervals between tests and connection methods must be composed, taking into account the type and size of the equipment, its value and role in the production process and other factors. The test is performed by applying balanced rated voltage on the stator.
Rules for classification and construction vi additional. Solo run is the part of the quality delivery assurance process. Jul 06, 2016 the test generally applies between 100 and 5,000 v or more. If i use a temperature controller, the autotune built into the device often works well if i follow the manufacturers. Mtest 7 data sheet mtest 7 motor testing software 1.
A motor of this size probably typically has an efficiency of 90% to 93% 0. The circuit diagram of the no load test is shown below. Checking spindle motor windings how to spot bad windings. Motor driven harus dicek dan di test setelah tahap construction pada suatu new plant. How to perform a true load test on your ac and dc drives global electronic services duration. 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. Need checklist of mechanical sequence for motor solo run test. Precheck list for motor solo run physical quantities electric power. In order to properly test the motor you must remove the cable connections coming from your inverter and the metal jumpers. What is the power consumed by a 50 hp motor at no load. By the same token, if you know the standard ensures the motor is in good condition, you need not go for the solo run. Run for 4 hours and record the temperature, vibration levels, voltage and current. This will help you determine whether the discrepancy is in the motor or in the line circuit.
If youre handy in the shop, and can fabricate you can use these plans to construct the very engine stand we sell. For our purposes, assume the motor has an efficiency of 92%. Isbn 07389785 ss95211 no part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher. I often have difficulty tuning pid loops, especially for tem perature control applications and servomotor motion applications.
We have run the motor for 4hr and every 30 min current has measured. Breakin or breaking in, also known as runin or running in, is the procedure of conditioning a new piece of equipment by giving it an initial period of running, usually under light load, but sometimes under heavy load or normal load. An integral component of any magtrol motor test system, mtest 5. The purpose of the nebb procedural standards for testing adjusting and balancing of environmental systems is to establish a uniform and systematic set of criteria for the performance of the testing, adjusting and balancing of environmental or heating, ventilating and airconditioning hvac systems. Pengecekan motor ini terdiri dari 2 tahapan yaitu pengecekan performa motor tanpa beban tanpa di koneksikan dengan copling pompa yang biasa disebut motor solo run no load test dan tahap selanjutnya yaitu pengecekan performa motor load test dengan dikoneksikan dengan pompa dan di sirkulasi test dengan. If a 3phase motor rotates in the wrong direction, you can swap any two leads to change to the desired direction. Uglum the university of texas at austin center for electromechanics the development of high power density electrical machines continues to accelerate, driven by military, transportation, and industrial. Dont forget these are the electromechanical equipments, where the problems can arise at any point of time. Centrifugal pump performance test procedure mechanical. Induction motor testing and evaluation summary as energy costs rise, more emphasis is being placed on determining the health of large inductive motors. Dec 30, 2018 testing of induction motor december 30, 2018 february 24, 2012 by electrical4u demand of energy is growing day by day and along with it cost of energy rising abruptly, so now it is necessary that the health of large motors which consumes maximum power should be taken care off. This data is optimized by our team of industry experts for ease of use, delivering streamlined information via restful web services. To conduct the tests, break the motor connections and test first in one direction the motor and then in the other the supply. To obtain short circuit current and its power factor angle, block rotor test is performed on the motor.
Ge motor selection and application guide reference 10. Service procedures provides original equipment manufacturer oem service information for the most common maintenance and repair operations. The draft inspection and test plan provided as well. Magtrol mtest 7 hardware configuration mtest 7 graphical data output new features with mtest 7 new graphical user interface has user friendly tabbed pages for quick navigation. If possible, manually rotate the shaft and check for free rotation. First noload test the noload test, like the open circuit test on a transformer, gives information about exciting current and rotational losses. Im working in a new refinery project witnessing about 3600 motor solo run tests. This rule included new standards for motor vehicles subject to vehiclebased emission standards and test procedures, and included a wide range of amendments to part 1065. Next, you observe the motor s vibration, temperature, and sounds. To do a motor solo run test you need to connect the motor to a power supply. Testing and commissioning procedure for electric motors eep. Vibration in a motor solo run test electric motors. For our purposes, assume the motor has an efficiency of 92% or 0.
Preloading roller bearing motors for noload run testing resource. Za page 6 how to test for a starter motor voltage drop. The windings are marked with tags u1 and u2, v1 and v2, w1 and w2. Foreword the purpose of the nebb procedural standards for testing adjusting and balancing of environmental systems is to establish a uniform and systematic set of criteria for the performance of the testing, adjusting and balancing of environmental or heating, ventilating and airconditioning hvac systems. Engine testing regulations vehicle and fuel emissions. These tests are performed to check the electrical or mechanical defects of the induction motor. The centrifugal pump performance test procedure is carried out as follows, but it may slightly change based on pump vendor test bed condition and internal procedures. A requirement of motor service that demands operation at an essentially constant load for an indefinitely long time.