Conversion of a transformer into an electromagnet












1












$begingroup$


Is it possible to convert a voltage transformer into an electromagnet by connecting a small DC voltage source to its primary side?






transformer electromagnetism







share|improve this question











$endgroup$

















    1












    $begingroup$


    Is it possible to convert a voltage transformer into an electromagnet by connecting a small DC voltage source to its primary side?






    transformer electromagnetism







    share|improve this question











    $endgroup$















      1












      1








      1





      $begingroup$


      Is it possible to convert a voltage transformer into an electromagnet by connecting a small DC voltage source to its primary side?






      transformer electromagnetism







      share|improve this question











      $endgroup$




      Is it possible to convert a voltage transformer into an electromagnet by connecting a small DC voltage source to its primary side?






      transformer electromagnetism




      transformer electromagnetism






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 3 hours ago









      Electric_90

      16011




      16011










      asked 5 hours ago









      JibeJibe

      173




      173






















          2 Answers
          2






          active

          oldest

          votes


















          3












          $begingroup$

          Just applying DC to a transformer will make a very poor electromagnet, because of the design of the transformer's iron core.



          The core is designed to give a continuous loop of iron from one side of the coils to the other. Rectangular transformers have two loops, giving a squared-off figure of eight. Toroidal transformers use an iron ring. Both are designed to keep the magnetism inside the transformer, which makes it more efficient.



          But since very little magnetism leaks out, it won't be much use as an electromagnet.






          share|improve this answer









          $endgroup$





















            2












            $begingroup$

            You would have to remove part of the core to open the magnetic circuit.



            Most 50/60Hz power transformers have E-I laminations, but they are interleaved (alternating E and I on opposite sides) so you would have to saw and/or grind off part of the core material without damaging the winding, more or less ONE of the two possible lines shown here (lamination drawing from here):



            enter image description here






            share|improve this answer









            $endgroup$













            • $begingroup$
              Look carefully at the transformer construction. The "E" and the "I" are often separate pieces. If that is the case, the "I" can be removed without sawing.
              $endgroup$
              – Charles Cowie
              1 hour ago











            Your Answer





            StackExchange.ifUsing("editor", function () {
            return StackExchange.using("mathjaxEditing", function () {
            StackExchange.MarkdownEditor.creationCallbacks.add(function (editor, postfix) {
            StackExchange.mathjaxEditing.prepareWmdForMathJax(editor, postfix, [["\$", "\$"]]);
            });
            });
            }, "mathjax-editing");

            StackExchange.ifUsing("editor", function () {
            return StackExchange.using("schematics", function () {
            StackExchange.schematics.init();
            });
            }, "cicuitlab");

            StackExchange.ready(function() {
            var channelOptions = {
            tags: "".split(" "),
            id: "135"
            };
            initTagRenderer("".split(" "), "".split(" "), channelOptions);

            StackExchange.using("externalEditor", function() {
            // Have to fire editor after snippets, if snippets enabled
            if (StackExchange.settings.snippets.snippetsEnabled) {
            StackExchange.using("snippets", function() {
            createEditor();
            });
            }
            else {
            createEditor();
            }
            });

            function createEditor() {
            StackExchange.prepareEditor({
            heartbeatType: 'answer',
            autoActivateHeartbeat: false,
            convertImagesToLinks: false,
            noModals: true,
            showLowRepImageUploadWarning: true,
            reputationToPostImages: null,
            bindNavPrevention: true,
            postfix: "",
            imageUploader: {
            brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
            contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
            allowUrls: true
            },
            onDemand: true,
            discardSelector: ".discard-answer"
            ,immediatelyShowMarkdownHelp:true
            });


            }
            });














            draft saved

            draft discarded


















            StackExchange.ready(
            function () {
            StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2felectronics.stackexchange.com%2fquestions%2f419272%2fconversion-of-a-transformer-into-an-electromagnet%23new-answer', 'question_page');
            }
            );

            Post as a guest















            Required, but never shown

























            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            3












            $begingroup$

            Just applying DC to a transformer will make a very poor electromagnet, because of the design of the transformer's iron core.



            The core is designed to give a continuous loop of iron from one side of the coils to the other. Rectangular transformers have two loops, giving a squared-off figure of eight. Toroidal transformers use an iron ring. Both are designed to keep the magnetism inside the transformer, which makes it more efficient.



            But since very little magnetism leaks out, it won't be much use as an electromagnet.






            share|improve this answer









            $endgroup$


















              3












              $begingroup$

              Just applying DC to a transformer will make a very poor electromagnet, because of the design of the transformer's iron core.



              The core is designed to give a continuous loop of iron from one side of the coils to the other. Rectangular transformers have two loops, giving a squared-off figure of eight. Toroidal transformers use an iron ring. Both are designed to keep the magnetism inside the transformer, which makes it more efficient.



              But since very little magnetism leaks out, it won't be much use as an electromagnet.






              share|improve this answer









              $endgroup$
















                3












                3








                3





                $begingroup$

                Just applying DC to a transformer will make a very poor electromagnet, because of the design of the transformer's iron core.



                The core is designed to give a continuous loop of iron from one side of the coils to the other. Rectangular transformers have two loops, giving a squared-off figure of eight. Toroidal transformers use an iron ring. Both are designed to keep the magnetism inside the transformer, which makes it more efficient.



                But since very little magnetism leaks out, it won't be much use as an electromagnet.






                share|improve this answer









                $endgroup$



                Just applying DC to a transformer will make a very poor electromagnet, because of the design of the transformer's iron core.



                The core is designed to give a continuous loop of iron from one side of the coils to the other. Rectangular transformers have two loops, giving a squared-off figure of eight. Toroidal transformers use an iron ring. Both are designed to keep the magnetism inside the transformer, which makes it more efficient.



                But since very little magnetism leaks out, it won't be much use as an electromagnet.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 4 hours ago









                Simon BSimon B

                5,095918




                5,095918

























                    2












                    $begingroup$

                    You would have to remove part of the core to open the magnetic circuit.



                    Most 50/60Hz power transformers have E-I laminations, but they are interleaved (alternating E and I on opposite sides) so you would have to saw and/or grind off part of the core material without damaging the winding, more or less ONE of the two possible lines shown here (lamination drawing from here):



                    enter image description here






                    share|improve this answer









                    $endgroup$













                    • $begingroup$
                      Look carefully at the transformer construction. The "E" and the "I" are often separate pieces. If that is the case, the "I" can be removed without sawing.
                      $endgroup$
                      – Charles Cowie
                      1 hour ago
















                    2












                    $begingroup$

                    You would have to remove part of the core to open the magnetic circuit.



                    Most 50/60Hz power transformers have E-I laminations, but they are interleaved (alternating E and I on opposite sides) so you would have to saw and/or grind off part of the core material without damaging the winding, more or less ONE of the two possible lines shown here (lamination drawing from here):



                    enter image description here






                    share|improve this answer









                    $endgroup$













                    • $begingroup$
                      Look carefully at the transformer construction. The "E" and the "I" are often separate pieces. If that is the case, the "I" can be removed without sawing.
                      $endgroup$
                      – Charles Cowie
                      1 hour ago














                    2












                    2








                    2





                    $begingroup$

                    You would have to remove part of the core to open the magnetic circuit.



                    Most 50/60Hz power transformers have E-I laminations, but they are interleaved (alternating E and I on opposite sides) so you would have to saw and/or grind off part of the core material without damaging the winding, more or less ONE of the two possible lines shown here (lamination drawing from here):



                    enter image description here






                    share|improve this answer









                    $endgroup$



                    You would have to remove part of the core to open the magnetic circuit.



                    Most 50/60Hz power transformers have E-I laminations, but they are interleaved (alternating E and I on opposite sides) so you would have to saw and/or grind off part of the core material without damaging the winding, more or less ONE of the two possible lines shown here (lamination drawing from here):



                    enter image description here







                    share|improve this answer












                    share|improve this answer



                    share|improve this answer










                    answered 3 hours ago









                    Spehro PefhanySpehro Pefhany

                    206k5156412




                    206k5156412












                    • $begingroup$
                      Look carefully at the transformer construction. The "E" and the "I" are often separate pieces. If that is the case, the "I" can be removed without sawing.
                      $endgroup$
                      – Charles Cowie
                      1 hour ago


















                    • $begingroup$
                      Look carefully at the transformer construction. The "E" and the "I" are often separate pieces. If that is the case, the "I" can be removed without sawing.
                      $endgroup$
                      – Charles Cowie
                      1 hour ago
















                    $begingroup$
                    Look carefully at the transformer construction. The "E" and the "I" are often separate pieces. If that is the case, the "I" can be removed without sawing.
                    $endgroup$
                    – Charles Cowie
                    1 hour ago




                    $begingroup$
                    Look carefully at the transformer construction. The "E" and the "I" are often separate pieces. If that is the case, the "I" can be removed without sawing.
                    $endgroup$
                    – Charles Cowie
                    1 hour ago


















                    draft saved

                    draft discarded




















































                    Thanks for contributing an answer to Electrical Engineering Stack Exchange!


                    • Please be sure to answer the question. Provide details and share your research!

                    But avoid …



                    • Asking for help, clarification, or responding to other answers.

                    • Making statements based on opinion; back them up with references or personal experience.


                    Use MathJax to format equations. MathJax reference.


                    To learn more, see our tips on writing great answers.




                    draft saved


                    draft discarded














                    StackExchange.ready(
                    function () {
                    StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2felectronics.stackexchange.com%2fquestions%2f419272%2fconversion-of-a-transformer-into-an-electromagnet%23new-answer', 'question_page');
                    }
                    );

                    Post as a guest















                    Required, but never shown





















































                    Required, but never shown














                    Required, but never shown












                    Required, but never shown







                    Required, but never shown

































                    Required, but never shown














                    Required, but never shown












                    Required, but never shown







                    Required, but never shown







                    -

                    Popular posts from this blog

                    SQL Server 17 - Attemping to backup to remote NAS but Access is denied

                    Image
                    .everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty{ margin-bottom:0; } 0 I was attemping to use Ola Hallengrens scripts to backup to a remote NAS, but it was failing and not giving any direct errors, so I tried doing it manually using Server Management Studio and got the following error: TITLE: Microsoft SQL Server Management Studio Failed to retrieve data for this request. (Microsoft.SqlServer.Management.Sdk.Sfc) For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&LinkId=20476 ADDITIONAL INFORMATION: An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo) The operating system returned the error '0x80070005(Access is denied.)&#
                    Read more

                    Always On Availability groups resolving state after failover - Remote harden of transaction...

                    Image
                    0 My explanation will be opinion based as it is based on my findings. If more information is needed, I am always happy to add it. The setup We have 4 SQL Server 2016 Instances, and all 4 underlying servers are in a WSFC (In my eyes a strange setup since Always On AG's are 2 by 2. But that is a different question.) 4 nodes + Fileshare witness Version: 13.0.5026.0 (all nodes) The instances that are having the failover issues are instances 1 & 2. They have 3 AG's between them. AG1 is primary on instance 1 and is having the issue. AG2 and AG3 are primary on instance 2. Instances 3 and 4 have their own separate AG's (2). AG1's settings The week before Last week, after checking for long running queries (none) and the synchronization state (green accross the board) we initiated a
                    Read more

                    Restoring from pg_dump with foreign key constraints

                    Image
                    5 2 In restoring a database from a pg_dump , a number of errors are being generated and the whole table is subsequently being ignored. An example: ERROR: insert or update on table "channelproducts" violates foreign key constraint "fk_rails_dfaae373a5" DETAIL: Key (channel_id)=(1) is not present in table "channels". Interestingly enough, I've noted that all these instances are popping up because of the sequence of loading. channels is after channelproducts both alphabetically and in the file and thus I can understand why postgres complains about having to create a child without a parent. caveat: the foreign key is being generated automatically by rails 4.2: I could remove the problem at the source but that still does not really solve the problem... version: PostgreSQL
                    Read more