CN102437688B - Main motor of shaft system capable of being used as asynchronous motor - Google Patents
Main motor of shaft system capable of being used as asynchronous motor Download PDFInfo
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- CN102437688B CN102437688B CN2011104416633A CN201110441663A CN102437688B CN 102437688 B CN102437688 B CN 102437688B CN 2011104416633 A CN2011104416633 A CN 2011104416633A CN 201110441663 A CN201110441663 A CN 201110441663A CN 102437688 B CN102437688 B CN 102437688B
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Abstract
The invention discloses a main motor of a shaft system capable of being used as an asynchronous motor, solving the problems of utilization and direct switching-on caused by using a generator of a ship shaft system as an asynchronous motor. The main motor comprises a motor base (2), wherein a motor terminal box (7) and an excitation power source (13) are respectively arranged on the motor base (2); an alternating-current motor stator winding (3) and an exciter stator winding (9) are respectively arranged inside the motor base (2); an alternating-current motor rotor winding (4), a spiral rectifier (5), a shaft sleeve (6) and a sliding ring (10) are arranged on a motor driving shaft (1) in sequence from left to right; an exciter rotor winding (8) is arranged on the shaft sleeve (6); the sliding ring (10) is provided with two electric leading rings; a short-circuited brush device (11) is arranged on the motor base (2) above the sliding ring (10); and the three-phase winding of the alternating-current motor rotor winding (4) is connected with the sliding ring (10). With the adoption of the main motor, the energy is saved and the cost of the entire equipment is reduced.
Description
Technical field
The present invention relates to the main motor of the axle band system that uses on a kind of boats and ships, particularly a kind of main motor that can be used as the axle band system that asynchronous motor uses.
Background technology
Along with the development of shipbuilding technology, also more and more higher to the fail safe of vessel motion.When the emergency of marine main engine disorderly closedown; hope is used axle generator as motor; drive screw with it and rotate, the assurance boats and ships can promptly navigate by water gets back to the harbour, usually this operational mode of AC rotor generator is called " TAKE ME HOME " pattern.Make AC rotor generator realize this function, just must solve the starting problem of AC rotor generator when moving as motor, present most of boats and ships all use no-brush synchronous generator as AC rotor generator, in motor when operation, can't across-the-line starting, thereby can't realize the reversible operation of generator, motor.
Summary of the invention
The invention provides a kind of axle band master of system motor that can be used as the asynchronous motor use and solved the generator of ship shaft band system as asynchronous motor use and the direct problem that starts.
The present invention is by the above problem of following solution:
A kind of axle band master of system motor that can be used as the asynchronous motor use, comprise electric machine stand and motor driving shaft, be respectively arranged with connection box for motor and field power supply at electric machine stand, in electric machine stand, be respectively arranged with Stator Windings of AC Motor and exciter stator winding, on motor driving shaft, be disposed with from left to right the AC motor rotor winding, rotating rectifier, axle sleeve and slip ring, be provided with the exciter rotor winding at axle sleeve, slip ring is the slip ring that is provided with two conducting rings, support above slip ring is provided with the short-circuited brush device, the lead wire of three phase windings of Stator Windings of AC Motor is connected with the binding post in the terminal box, the lead-out wire of two phase windings in three phase windings of AC motor rotor winding is shorted together, the shorted end of the lead-out wire of two phase windings in three phase windings of AC motor rotor winding respectively with the negative terminal of rotating rectifier be connected with slip ring one draw electricity ring and be connected, the lead-out wire of another phase winding in three phase windings of AC motor rotor winding is connected another conducting ring with the anode of rotating rectifier respectively and is connected with slip ring.
During relay power on being arranged on the short-circuited brush device, the short circuit sheet in the described short-circuited brush device links together by two carbon brush being fixedly connected with it and two conducting rings of slip ring; When the relay on being arranged on the short-circuited brush device cut off the power supply, the short circuit sheet in the described short-circuited brush device and two carbon brush that are fixedly connected with it were unsettled above slip ring, and two conducting rings that namely arrange in the slip ring are not by short circuit.
The present invention has realized the convenient conversion of synchronous generator, synchronous motor and three kinds of modes of asynchronous motor of ship shaft band master motor, has solved the direct starting problem as asynchronous motor, has saved the energy and has reduced the cost of integral device.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the electric connection structure schematic diagram of epitrochanterian winding of the present invention and slip ring and rotating rectifier.
Embodiment
Below with reference to the accompanying drawings the specific embodiment of the present invention is described:
A kind of axle band master of system motor that can be used as the asynchronous motor use, comprise electric machine stand 2 and motor driving shaft 1, be respectively arranged with connection box for motor 7 and field power supply 13 at electric machine stand 2, in electric machine stand 2, be respectively arranged with Stator Windings of AC Motor 3 and exciter stator winding 9, on motor driving shaft 1, be disposed with from left to right AC motor rotor winding 4, rotating rectifier 5, axle sleeve 6 and slip ring 10, be provided with exciter rotor winding 8 at axle sleeve 6, slip ring 10 is for being provided with the slip ring of two conducting rings, support 2 above slip ring 10 is provided with short-circuited brush device 11, the lead wire of three phase windings of Stator Windings of AC Motor 3 is connected with binding post in the terminal box 7, the lead-out wire of two phase windings in three phase windings of AC motor rotor winding 4 is shorted together, the shorted end of the lead-out wire of two phase windings in three phase windings of AC motor rotor winding 4 is connected with the conducting ring that the negative terminal of rotating rectifier 5 is connected with slip ring respectively, the lead-out wire of another phase winding in three phase windings of AC motor rotor winding 4 are connected with slip ring with the anode of rotating rectifier 5 respectively another draw the electricity ring and be connected.
During relay 12 energising on being arranged on short-circuited brush device 11, the short circuit sheet in the described short-circuited brush device 11 links together by two carbon brush being fixedly connected with it and two conducting rings of slip ring 10; When the relay 12 on being arranged on short-circuited brush device 11 cut off the power supply, the short circuit sheet in the described short-circuited brush device 11 and two carbon brush that are fixedly connected with it were unsettled above slip ring 10.
When binding post negative pole and the anodal short circuit with excitation system 13, when by two carbon brush being fixedly connected with it and slip ring 10 two of the short circuit sheet in the short-circuited brush device 11 draw the electricity ring and link together, the exciter stator winding is by short circuit, exciter is not worked, Stator Windings of AC Motor 3 connects three-phase alternating current, and at this moment the master of axle band system motor moves as asynchronous machine.
When the short circuit sheet in the short-circuited brush device 11 and two carbon brush being fixedly connected with it unsettled above slip ring 10, Stator Windings of AC Motor two and one is serially connected in the both positive and negative polarity of rotating rectifier, and when giving exciter stator winding access excitation DC electric current, the axle band master of system motor moves as synchronous generator.
When the short circuit sheet in the short-circuited brush device 11 and two carbon brush being fixedly connected with it unsettled above slip ring 10, Stator Windings of AC Motor two and one is serially connected in the both positive and negative polarity of rotating rectifier, and when giving exciter stator winding access excitation DC electric current, again by the actuating motor varying frequency starting, the axle band master of system motor is dragged to synchronous speed, when adding excitation again, the axle band master of system motor moves as synchronous motor.
Claims (2)
1. one kind can be used as the axle band master of the system motor that asynchronous motor uses, comprise electric machine stand (2) and motor driving shaft (1), be respectively arranged with connection box for motor (7) and field power supply (13) at electric machine stand (2), in electric machine stand (2), be respectively arranged with Stator Windings of AC Motor (3) and exciter stator winding (9), it is characterized in that, on motor driving shaft (1), be disposed with from left to right AC motor rotor winding (4), rotating rectifier (5), axle sleeve (6) and slip ring (10), be provided with exciter rotor winding (8) at axle sleeve (6), slip ring (10) is for being provided with two slip rings that draw the electricity ring, electric machine stand (2) in the top of slip ring (10) is provided with short-circuited brush device (11), the lead wire of three phase windings of Stator Windings of AC Motor (3) is connected with binding post in the terminal box (7), the lead-out wire of two phase windings in three phase windings of AC motor rotor winding (4) is shorted together, the shorted end of the lead-out wire of two phase windings in three phase windings of AC motor rotor winding (4) is connected 10 with the negative terminal of rotating rectifier (5) with slip ring respectively) a conducting ring be connected, the lead-out wire of another phase winding in three phase windings of AC motor rotor winding (4) is connected 10 with the anode of rotating rectifier (5) with slip ring respectively) another conducting ring be connected.
2. a kind of axle band master of system motor that asynchronous motor uses that can be used as according to claim 1, it is characterized in that, during the energising of relay (12) on being arranged on short-circuited brush device (11), the short circuit sheet in the described short-circuited brush device (11) links together by two carbon brush being fixedly connected with it and two conducting rings of slip ring (10); When the relay (12) on being arranged on short-circuited brush device (11) cuts off the power supply, the short circuit sheet in the described short-circuited brush device (11) and the unsettled top in slip ring (10) of two carbon brush that is fixedly connected with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104416633A CN102437688B (en) | 2011-12-26 | 2011-12-26 | Main motor of shaft system capable of being used as asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104416633A CN102437688B (en) | 2011-12-26 | 2011-12-26 | Main motor of shaft system capable of being used as asynchronous motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102437688A CN102437688A (en) | 2012-05-02 |
| CN102437688B true CN102437688B (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104416633A Active CN102437688B (en) | 2011-12-26 | 2011-12-26 | Main motor of shaft system capable of being used as asynchronous motor |
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| CN (1) | CN102437688B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018037470A1 (en) * | 2016-08-23 | 2018-03-01 | 三菱電機株式会社 | Brushless synchronous power generation device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2884672Y (en) * | 2006-03-31 | 2007-03-28 | 泰豪科技股份有限公司 | Double-purpose brushless synchronous dynamo able to generate and electric drive |
| CN202405956U (en) * | 2011-12-26 | 2012-08-29 | 中船重工电机科技股份有限公司 | Shaft system main motor capable of serving as asynchronous motor |
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| Publication number | Publication date |
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| CN102437688A (en) | 2012-05-02 |
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