Ohm readings single phase motor

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,230v,but when it connect in motorcoach (incomplete oil circuit) sometimes it appears taking high current,motor was not running,abnormal sound etc. a lotat 16 february 2013, 16:33:43 user kevin wrote:   [reply @ kevin]hi does anyone have any ideas about wiring a six wire motor to use on a rotary phase converter because ive tried a few different ways but im getting nowhere, any help is appreciated. white]do you have same information for 12 lead 3 phase motor? three phase motor but on this motor there was not such a nice board for connecting the wires. first of all, you need to understand how the coils are connected with the six motor leads that exist in the electrical connection box. with 2-wire motors, winding resistance is measured between the two black motor leads. it’s there, but since this is a 2-wire motor, we can only measure the winding resistance between the two black leads; only one reading can be taken. usually, if the motor has short-circuited windings, it won't take long until this specific coil it is totally destroyed.%d bloggers like this:When we left Single-Phase Motor Specifications on page 13 of Franklin Electric’s Application, Installation, and Maintenance (AIM) Manual at the last post, we were ready for the column titled Winding Resistance in Ohms. Single-phase motors have two windings, a start winding and a run winding. referencing table 13, the first thing noticed is the single row of values listed for 2-wire motors.

Ohm single phase motor

technically, when the motor is a capacitor start/capacitor run type, these are called the auxiliary winding and the main winding respectively. this can be done at the motor, at the well head, or even at the pressure switch. a ½ hp, 230 v 3-wire motor as an example this time, we see that the main winding resistance is 4. this is usually done if the motor is small (smaller than 3. kumar]today i got different problem what actually happen one motor got tripped continually so i checked the motor amps its high 12a so i checked the name plate there full load current 12a so that i removed the load and checked after that also same current 12a how it's i confused because with load 12a without load also 12 a so that i checked the winding resistance that is ok 3phase equally, after that i checked bearing that also good winding also good then how this it's happen anybody knows kindly reply meat 18 july 2012, 8:19:57 user francisco gavina wrote:   [reply @ francisco gavina](portugal) great tutorial. is a photo from the connection box of a motor connected in star. 29 april 2013, 7:41:01 user kazi sahriar wrote:   [reply @ kazi sahriar]dear sir,My problem is, i have a 3 phase motor which r 6 probe those r u1 v1 w1 & u2 v2 w3. 30 december 2013, 8:37:09 user giorgos lazaridis wrote:   [reply @ giorgos lazaridis]@asokarasan once i had a motor from a coil repair and the guy had this mistake as you mention it. 7 june 2014, 0:56:48 user jithendra wrote:   [reply @ jithendra]thank u @ zithuat 31 may 2014, 13:01:04 user chris wrote:   [reply @ chris]ohmmeter can not detect a partially shorted windings specially when you're dealing with a larger motors. Technically, when the motor is a capacitor start/capacitor run type,…Please add items below. this is the most difficult problem to identify in such a motor.

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-phase motors have two windings, a start winding and a run winding. if they are all equal, then you have a very well manufactured motor. is a photo from the connection box of a motor connected in delta. if both the insulation resistance and the winding resistance are good, our motor is good from an electrical standpoint. rpm related only no of poles and effeciency of motorat 3 june 2013, 13:50:17 user danilo de vera wrote:   [reply @ danilo de vera]i had a 3 phase ac motor i want to to connect to power supply and the control was starting by star then delta (6 leads) my problem is the si lead came from motor has no marking for the 1,2,3,4,5,6 i cant determine the 1,2,3 and the 4,5,6. referencing table 13, the first thing noticed is the single row of values listed for 2-wire motors. resistance for 3-wire motors can be measured at the motor itself if it’s out of the well, at the well head, or at the control box. a permanent connection is when the motor is connected in either star or delta, and this connection is not supposed to changed during the operation of the motor. 12 july 2014, 15:20:33 user subrata mukherjee wrote:   [reply @ subrata mukherjee]in a single phase oil circulating motor,i test in my section continuously 4 hours. a ½ hp, 230 v 3-wire motor as an example this time, we see that the main winding resistance is 4. you connect the first row of motor connectors to r-s-t and the second row to u-v-wat 11 march 2013, 4:34:37 user vasilis caravitis wrote:   [reply @ vasilis caravitis]hi, my problem is that i need to replace the star-delta change-over switch.

How To Test and Check Single phase Electric Motors ~ Learning

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this can be done at the motor, at the well head, or even at the pressure switch. typical 3-phase squirrel-cage motor has six connection leads in the electrical connection box for the three coils. resistance is one of two electrical checks, insulation resistance being the other, that tell us the electrical condition of the motor..How would you go about testing the start & end of each motor winding prior to powering up the motor, either by the use of a multimeter or a battery and a volt meter. Technically, when the motor is a capacitor start/capacitor run type,…When we left single-phase motor specifications on page 13 of franklin electric’s application, installation, and maintenance (aim) manual at the last post, we were ready for the column titled winding resistance in ohms. if both the insulation resistance and the winding resistance are good, our motor is good from an electrical standpoint. 10 september 2014, 5:04:58 user kevin brierley wrote:   [reply @ kevin brierley]a very clear laid out explanation, been a electrician mate i have no understanding of motors, we had a fault the other day on a motor, & i wondered how they would test it, well now i do, now i even no about star delta. Technically, when the motor is a capacitor start/capacitor run type,…When we left single-phase motor specifications on page 13 of franklin electric’s application, installation, and maintenance (aim) manual at the last post, we were ready for the column titled winding resistance in ohms. 1 july 2014, 23:48:04 user coltmanneil wrote:   [reply @ coltmanneil]i have a twin speed 3 phase motor high/low speed ,at some point terminal block has been taken away. i have a motor that i looked at today that had 9 wires, and two ways to set up. 12 december 2012, 20:36:44 user thamir kareem wrote:   [reply @ thamir kareem]dear sir,I would like to know the connection (star star/star) two speed three phase squirel cage motor also the connection (star/-star) that i saw those connection in asia type motors and supporting your answering by drawings(line voltage is 380vac)thankyouat 23 november 2012, 11:43:56 user aamir mehmood wrote:   [reply @ aamir mehmood]i like very much improve knoldge my self.

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TESTING SUBMERSIBLE PUMP MOTORS

it would be good if material could be added about the result of not having one phase in both the y and delta configurations. delta current will high but motor will start at littlebit low voltage also. if both the insulation resistance and the winding resistance are good, our motor is good from an electrical standpoint. we left single-phase motor specifications on page 13 of franklin electric’s application, installation, and maintenance (aim) manual at the last post, we were ready for the column titled winding resistance in ohms. when troubleshooting and measuring winding resistance, we’ll generally get one of three readings: zero, infinity, or a value close to what’s listed in the table. the case of 3-wire motors, winding resistance is measured for both the start and run windings. referencing table 13, the first thing noticed is the single row of values listed for 2-wire motors. kwatts) or if the motor is driven by an inverter or some kind of electronic driver.]i like this web siteat 24 august 2012, 7:16:52 user giorgos lazaridis wrote:   [reply @ giorgos lazaridis]@marcus usually 3-phase motors with 3 wires are internally y or delta connected. 5 march 2013, 20:13:07 user giorgos lazaridis wrote:   [reply @ giorgos lazaridis]@decker auto electric this motor must be connected in star probably (i may be mistaken though). 11 august 2014, 7:14:05 user hashim m rusambi wrote:   [reply @ hashim m rusambi]how can instol the winding motorat 28 july 2014, 6:42:37 user deepak wrote:   [reply @ deepak]how do we know the terminal a1a2 b1b2 c1c2 if there are not marked a b c 1 2 3 ?

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Column-by-Column: Winding Resistance in Ohms | Franklin AID

oneat 9 september 2014, 6:42:07 user ss shah wrote:   [reply @ ss shah]how do we know standard resistance/inductance value of 3-phase induction value for different capacity and speed of individual motor ? the phases are then connected on the leads of the other horizontal row:This is why we call this type of connection "star" (or y). it’s there, but since this is a 2-wire motor, we can only measure the winding resistance between the two black leads; only one reading can be taken. 3 april 2013, 8:57:29 user radhakrishnan wrote:   [reply @ radhakrishnan]sir,In the motor winding end wire in 3 phase a1a2, b1b2, c1c2 connected thro ryb the motor will run but if any changes in the terminal connection. the answer is that because these are 2-wire motors, we don’t have access to the start winding. in either case, the motor will need to be replaced. if someone works with ac 3-phase motors, then it is important to know how to connect these motors in star and delta connection, and how to detect an electrical problem. i understand that one could power up the motor and check the current being pulled by each phase, if there is a serios unbalance on a single winding, then turn that winding around, but i would like clarity on how to sort out the windings start and end before power up. motor is supplied from a motor control unit which takes in single phase(220v) and delivers three phase to the motor. you connect the first probe of the ohm-meter to lead 1, and then you connect the other probe of the ohm-meter to leads a, b, c, 2, 3 and ground (motor chassis). my husband cut the wires and took some resistance readings .

The Proper Way to Ohm a Single Phase Compressor | LennoxPROs

the rplacement is intended for single direction operation and has a different terminal pattern. resistance is one of two electrical checks, insulation resistance being the other, that tell us the electrical condition of the motor. Single-phase motors have two windings, a start winding and a run winding., what is the minimum acceptable resistance and insulation resistance for a motor? a shorted motor will read 0 ohms across windings, to ground, or both..at 3 november 2012, 19:04:58 user jonas hamata wrote:   [reply @ jonas hamata]this is good and clearat 31 october 2012, 7:27:30 user giorgos lazaridis wrote:   [reply @ giorgos lazaridis]@atish kumar read 'checking the coils of an unconnected motor"at 28 october 2012, 11:29:59 user atish kumar wrote:   [reply @ atish kumar]i have the same doubt that. 13 june 2013, 22:56:29 user robert chadwick wrote:   [reply @ robert chadwick]i have a 3 phase motor, and i am able to the 3 leads that go into the motor i get no resistance between 2 of the leads, and 33 ohms from either one of those to the third lead. 22 june 2014, 5:52:13 user adamson wrote:   [reply @ adamson]a 3 phase motor for a washer with the following details:Y = 190v 3phase 50hz speed:1455 rpm curent:7. a star connection can be easily accomplished simply by bridging one of the two horizontal rows in the connection box of the motor..at 20 may 2015, 14:09:45 user samuel vargas wrote:   [reply @ samuel vargas]thans youat 9 may 2015, 21:23:32 user anthony wrote:   [reply @ anthony]excellent article and photosat 14 april 2015, 11:05:46 user yogender sharma wrote:   [reply @ yogender sharma]easy way to known the connection of induction motor . you can test them with multimeter, ohm-meter or battery by following the instruction if the first page of this theory, at the bottom (checking the coils of an unconnected motor)at 20 may 2012, 5:29:49 user ian ellis wrote:   [reply @ ian ellis]how would you go about testing the start & end of each motor winding prior to powering up the motor, either by the use of a multimeter or a battery and a volt meter.

Single-Phase Motors & Controls

a ½ hp, 230 v 3-wire motor as an example this time, we see that the main winding resistance is 4. / b2b1 / c2c1 if the motor winding will get abnormal heat. the motor has no problem, then you must find infinite resistance between all leads and ground, except from one lead. do these reading point to a problem with the motor. in either case, the motor will need to be replaced. it’s there, but since this is a 2-wire motor, we can only measure the winding resistance between the two black leads; only one reading can be taken. i understand that one could power up the motor and check the current being pulled by each phase, if there is a serios unbalance on a single winding, then turn that winding around, but i would like clarity on how to sort out the windings start and end before power up. technically, when the motor is a capacitor start/capacitor run type, these are called the auxiliary winding and the main winding respectively. the case of 3-wire motors, winding resistance is measured for both the start and run windings. resistance for 3-wire motors can be measured at the motor itself if it’s out of the well, at the well head, or at the control box. the motor that is the photos, is a repaired motor that had a burned coil.

How to test an electric motor? - HVAC Education Australia

How to check the Windings of a 3-Phase AC motor with an Ohmmeter

21 may 2012, 11:30:55 user giorgos lazaridis wrote:   [reply @ giorgos lazaridis]@ian ellis there are 6 connectors on a 3-phase squirrel cage motor. 26 december 2013, 16:23:37 user asokarasan wrote:   [reply @ asokarasan]if a-a1,b-b1,c-c1 is coil sequence in delta connection ,if we change a1-a, b-b1,c-c1 what will happen motorat 4 december 2013, 8:01:57 user krishnamoorthy wrote:   [reply @ krishnamoorthy]really interested in your lecture on resistance measurement. this can be done at the motor, at the well head, or even at the pressure switch. Single-phase motors have two windings, a start winding and a run winding. the case of 3-wire motors, winding resistance is measured for both the start and run windings. with 2-wire motors, winding resistance is measured between the two black motor leads. machine is indicating error motor too hot after running for 4minutes.-phase motors have two windings, a start winding and a run winding. a motor unconnected, means that there are no star or delta bridges on its leads. 15 june 2013, 6:32:38 user giorgos lazaridis wrote:   [reply @ giorgos lazaridis]@robert chadwick 3-phase ac induction motor star connection? in a star connection, each one of the 3 phases (r-s-t) is connected at one end of each coil.

when troubleshooting and measuring winding resistance, we’ll generally get one of three readings: zero, infinity, or a value close to what’s listed in the table. 12 july 2013, 15:02:01 user shawn hall wrote:   [reply @ shawn hall]when testing the windings od a single phase motor,Technician #1 says that the common and the run terminals show the lowest resistance.-phase motors have two windings, a start winding and a run winding. in either case, the motor will need to be replaced. when troubleshooting and measuring winding resistance, we’ll generally get one of three readings: zero, infinity, or a value close to what’s listed in the table. what is the correct way to check the motor for proper connection? 23 april 2013, 6:22:16 user shelvindra bali wrote:   [reply @ shelvindra bali]i want know if there is any type of book or software showing me all the connection daigrams of the motor. 16 march 2015, 15:31:09 user isuru jayaranga wrote:   [reply @ isuru jayaranga]good pageat 10 march 2015, 13:53:35 user husnain wrote:   [reply @ husnain]1 phase:220 v. resistance for 3-wire motors can be measured at the motor itself if it’s out of the well, at the well head, or at the control box. connect the 3 poles on one side all together, and then apply rst to the other 3 opposite polesat 4 march 2013, 22:04:59 user decker auto electric wrote:   [reply @ decker auto electric]i got this electric motor that i can not. 24 august 2012, 5:23:58 user marcus wrote:   [reply @ marcus]and if your three phase motor only has three wires not six - what way do you test it then?

for example, the ½ hp, 230 v 2-wire motor lists the winding resistance as 4.%d bloggers like this:When we left Single-Phase Motor Specifications on page 13 of Franklin Electric’s Application, Installation, and Maintenance (AIM) Manual at the last post, we were ready for the column titled Winding Resistance in Ohms.%d bloggers like this:When we left Single-Phase Motor Specifications on page 13 of Franklin Electric’s Application, Installation, and Maintenance (AIM) Manual at the last post, we were ready for the column titled Winding Resistance in Ohms. for example, the ½ hp, 230 v 2-wire motor lists the winding resistance as 4. technically, when the motor is a capacitor start/capacitor run type, these are called the auxiliary winding and the main winding respectively. the end i just (sort of) guessed, but i took some extra precautions to prevent destroying a perfectly good motor. nisanth]motor detailsat 29 september 2015, 11:59:08 user parthiban wrote:   [reply @ parthiban]5 hp motor resistance value how muchat 19 september 2015, 13:53:32 user shakeel ahmed wrote:   [reply @ shakeel ahmed]very usefulat 19 august 2015, 12:44:29 user joan myers wrote:   [reply @ joan myers]hi. resistance is one of two electrical checks, insulation resistance being the other, that tell us the electrical condition of the motor. for example, the ½ hp, 230 v 2-wire motor lists the winding resistance as 4. so remember, always keep to one side of the unit when working on a single-phase compressor. i hope you understand my question that there is no identification of a1a2 b1b2 c1c2 so how do we understand that a1a2 b1b2 c1c2at 13 july 2014, 18:11:37 user ramprakash wrote:   [reply @ ramprakash]i want a motor winding checking list by ohm and any checking method because i was a face a last time problem i am checked the motor proper by continuity all ok so start the motor and its blast and i am face manny problem because i done the maximum work 5kw to 200 kw.