Removal of pump mixer from the lift station for physical inspection. Winding wire for submersible pump motors welcome to mascot pump. Submersible pump motor needs no special maintenance and consumes low electricity. Basic features corrosionresistant stainless steel exterior stainless steel splined shaft hermeticallysealed windings statorshield resin system filter check valve water lubrication. This 3mw, 4pole, 60hz wetwound motor is driven by a variable speed drive and can operate over. When power is applied, both start and main motor windings are energized, and the motor starts. Grundfos submersible motors in a class of their own. Electrical submersible pumps chad bremner nisku, alberta, canada grant harris inverurie, scotland. Motor application guide 4 submersible motors and control boxes c us lr90197 drinking water. Centripro 4 submersible motors xylem applied water systems. Winding wire nsw winding wires for submersible motors. Thus, they can be used for water supply and in the offshore as well as the mining industry.
There are two characteristics that make submersible motors substantially different from standard electrical motors or other electrical devices that can be meggered. Grundfos motor book 22 grundfos motor book basic types of singlephase induction motors theoretically, a singlephase motor could be started by spinning the motor mechanically and applying power immediately. Submersible pumps oil filled submersible pump manufacturer. Motor sealings are made by means of o rings, shaft seals and sand guard to avoid ingress of well water, sand and fiber particles into the motor. Record initial and corrected values on motor testing record sheet. Our submersible motors can be manufactured from the nema standards. These instructions must be read prior to installing, operating, using and maintaining this equipment. Vfd applications with lowara submersible motors motor. Unfortunately, megger results are not appropriate for use as a passfail determination.
Is wire is not only fulfills the requirement of is. Superior submersible motor performance at 50c operating temperature features vansan is the only submersible motor manufacturer in the world that produce the pe2pa winding wire in its own factory. The 2 wire switch design requires a minimum time of 10 seconds between starts after power is removed from the motor. Check condition and operation of the motor thermal protection control system if equipped. Motor, pressure switch, tank and pump life may be extended by limiting starts.
Their rewindable winding makes andritz submersible motors from the sm series the ideal drivers for submersible deep well pumps, bottom intake pumps, seawater lift pumps, and for subsea machinery. When we left singlephase motor specifications on page of franklin electrics application, installation, and maintenance aim manual at the last post, we were ready for the column titled winding resistance in ohms. The stator winding is usually connected to a threephase balanced voltage source. Triple insulated wire insulated copper wire rr shramik. The submersible motors can be used with variable frequency drives if the following guidelines are. Motor is dry type submersible and cooled by liquid being handled. Submersible winding wire oxygen free copper more than 100% conductivity polyester tap opec bopp transparent bopp 1 2 3 poly insulated winding wire forsubmersible motor. Rewindable 6 submersible asynchronous twopole electric motor available in. Although the start winding current is less than that of the run winding, it still creates an. The ms and mms submersible motors are rated among the very best on the market, suitable for use with. Submersible motor, submersible motor manufacturers. About 8% of these are coil winding machine, 12% are air conditioners, and 0% are linear guides. Three layer extruded coatings of high performance polymer resins gives excellent dielectric properties to this type of winding wires. Jul 17, 20 6 8 10 inch submersible pvc wire pump motor stator winding insertion video duration.
A wide variety of submersible motor winding options are available to you, there are 457 suppliers who sells submersible motor winding on, mainly located in asia. A new motor without drop cable a used motor which can be reinstalled in the well motor in well. Grundfos has been manufacturing highquality submersible motors for more than 30 years, and our submersible motor knowhow is unsurpassed. Dab pumps reserves the right to make modifications without notice. The stator windings must be insulated by fluidresistant plastics wet winding if they are not protected by a can see canned motor pump. Sometimes the overheating can introduce other problems in the motor, before it fails, which accelerates the process. Singlephase motors have two windings, a start winding and a run winding. The heat produced by the submersible motor is dissipated into the surrounding fluid handled. Check voltage supply between all phases of the electrical control panel. Xylem applied water offers a competitive line of centripro 4inch submersible motors.
The new improved series of 6 submersible motors km6 has been designed to achieve compatibility with inverter outputs modified sine waves making it the first choice for solar and other high efficiency applications. Innovations in electrical submersible pump technology are paying off for oil companies, providing greater reliability, performance and endurance in harsh. How to test a 3 phase motor windings with an ohmmeter. A c submersible pump test procedure the motor is entirely surrounded with water and cools very rapidly. Winding resistance in ohms posted on june 14, 2012 by copywriterfele when we left singlephase motor specifications on page of franklin electrics application, installation, and maintenance aim manual at the last post, we were ready for the column titled winding resistance in ohms. Check condition of upper and lower shaft seals inspect condition of motor stator housing, if applicable. A wide variety of submersible motor winding machine options are available to you. All values obtained from winding dc resistance test should be below 1 megohm and similar in value. Dec 11, 2018 winding dc resistance test follow usace procedure three sets of results total a to b phase, b to c phase, c to a phase correct values to 40c using the formula in step 8. Recommended protection settings for submersible motors 23715 maximum motor winding temperature for water filled motor 80 deg. For reliability, high efficiency and to keep lifecycle costs low, we build the motor to match the pump. Pdf partwinding starting improvement of threephase squirrel.
Check voltage balance between all phases on the load side of the pump mixer control panel with pump mixer running vac. The submersible motors can be used with variable frequency drives if the following guidelines are respected. Mascot pumps ltd produces high quality submersible winding wire. Submersible motor manufacturers find it very difficult to design by themselves such. More than 30 years experience grundfos has been manufacturing quality submersible motors for more than 30 years, and the highly efficient grundfos ms and mms submersible motors are rated among the very best on the market. Check amperage draw on all phases of the motor in amps. Vfd motor size selection for a correct selection of the vfd, refer. If any one ohm value is greater than normal, the winding or the cable is open, or there is a. Pe2pa insulated winding wire ares generally used in submersible motors operating under higher voltages and temperatures up to 50 centigrade.
Joined to dab production of a wide range of submersible pumps from 3 to 24, we are able to provide adequate solutions for every kind of application, from small domestic. Save upto 25% in pump cost veesons winding wires have excellent electrical, mechanical, thermal and chemical properties. In the franklin submersible motor a thermal biac switch is used to drop the start winding from the circuit. Figure 8 shows the current curves of the start and run windings of a split phase motor. For a threephase induction motor, the stator winding consists of p poles and are distributed in space. Hp ratings submersible pump industry by steve doolittle, national sales manager. Joined to dab production of a wide range of submersible pumps from 3 to 12, we are able to provide adequate solutions for every kind of application. Electric motor winding formulas signs detail urdu hindi this version of the easa motor rewind database software takes a large leap forward with data that it provides members most notably now has how to wind three phase stators version 2 easa 3 4 pole motor winding. In this instructables i will show you, how to rewind and renovate old electric single phase electric motor. Page 46 all motors motor maintenance north america water. Centripro 4 submersible motors xylem applied water. But submersible motors, running winding, auxiliary comparatively, very little work has been done on winding, core length submersible motors.
All bridge readings for temperature must therefore be taken very rapidly, but practice taking them with so precise a movement that on every reading you can duplicate. Mms 8 inch winding pvc grundfos service video youtube. Pdf winding design, modeling, and control for polephase. Pdf partialparallelpathwinding starting of threephase induction motors is used in order to reduce the starting currents in hardload condition, as. Franklin electric is a global leader in the production and marketing of systems and components for the movement of water. The article deals with the design of a fully automated coil winding machine for stator winding of a motor used in submersible pumps. Often it is required to test the winding of the 3 phase windings with the aid of a multimeter or ohmmeter to determine whether the motor is still good or burnt or shorted. At this instant, the voltage across the start winding is relatively low. Electric motor winding formulas signs detail urdu hindi this version of the easa motor rewind database software takes a large leap forward with data that it provides members most notably now has how to wind three phase stators version 2 easa 3 4 pole motor winding diagram all motor winding data calculation formula for 3 single phase complete guide in urdu hindi. The most common failure mode of a 3 phase ac motor is burnt winding or shorted winding leading to the damage of the motor.
Long motor life smooth surface finish easy winding softness gives more safety factor then standard motors superior submersible motor performance at 50c operating temperature features vansan is the only submersible motor manufacturer in the world that produce the pe2pa winding wire in its own factory. These wires are designed in a quality oriented finish and are developed as per the specific requirements of the customers. Submersible motor megger testing meggers, or megohmeters, are often used by service personnel or sophisticated end users as an immediate trouble shooting device. If any one ohm value is greater than normal, the winding or the cable is open, or there is a poor cable joint or connection. Get submersible motor at best price with product specifications. Ohm readings are for drop cable plus motor a new motor in the well a motor in the well in reasonably good condition a motor which has been damaged by lightening or with damaged leads. Submersible motors have a power range of up to 3500 kw, with operating voltages up to 10 kv for large motors. Franklin electric submersible motors are a waterlubricated design.
Winding design, modeling, and control for polephase modulation induction motors article pdf available in ieee transactions on magnetics 492. If any one value is less than normal, the motor is shorted. In actual practice, however, all motors use automatic starting of some sort. Submersible motors, running winding, auxiliary winding, core. Technically, when the motor is a capacitor startcapacitor run type. Submersible pump winding wire offered are designed to deliver optimum performance in involved end applications these are used in. Care should be taken to ensure that the motor does not run when it is not submerged in the water. The motors feature builtin lightningsurge protection. Electric motors are relatively simple mechanical devices, but rewinding them isntin fact, its one project thats usually best left to the professionals. The 12 1 hp, 3wire and all 2wire models haveread more.
To prevent the motor from dry running, install water level monitor dry run preventor. About this video hamne is video me bataya hai ki v6 submersible induction motor winding tern coil size motor pitch star connection winding. The top countries of suppliers are india, china, from which the percentage of submersible motor winding supply is 1%, 97% respectively. Thermister sensing unit for high temperature at the motor winding.
Submersible winding wire submersible pump winding wire. The submersible motor is a reliable, efficient and trouble free means of. These are quite sturdy, robust and miniaturized too. Hp ratings submersible pump industry by steve doolittle, national sales manager hp ratings as applied in the submersible pump industry can be misleading at times and lead to misinterpretation when evaluation pumps. Comparing pumps based on hp rating could lead to an erroneous conclusion. The first is that the electrical cable for a submersible motor is an. Silent features of 50 hz double flange electric submersible motor. Measure resistance between stator windings in ohms. Franklin electric is a manufacturer of 4, 6 and 8, single and three phase submersible, water cooled, well pump motors, controls and variable speed drives.
1020 1248 172 1442 282 1418 122 558 95 297 1371 500 386 916 341 532 1179 1179 409 934 951 60 565 960 1292 757 1154 935 963 1132 413 1319 891 1480