CN104038005A - Ship shaft generator capable of being used as motor and running state switching method thereof - Google Patents
Ship shaft generator capable of being used as motor and running state switching method thereof Download PDFInfo
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- CN104038005A CN104038005A CN201410187887.XA CN201410187887A CN104038005A CN 104038005 A CN104038005 A CN 104038005A CN 201410187887 A CN201410187887 A CN 201410187887A CN 104038005 A CN104038005 A CN 104038005A
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Abstract
The invention discloses a ship shaft generator capable of being used as a motor and a running state switching method thereof, and solves the technical problems of realization of switching of two functions of electricity generation and electromotion of ship shaft generators in the prior art. The ship shaft generator includes a motor base (2), a motor drive shaft (1), a motor terminal box (7), an excitation power supply (6), an AC motor stator three-phase winding (3), an exciter stator three-phase winding (9), an AC motor rotor concentrated winding (4), a rotating rectifier (5) and an exciter rotor three-phase winding (8), the AC motor rotor concentrated winding (4) and the rotating rectifier (5) are connected together, the excitor stator three-phase winding (9) and the excitation power supply (6) are connected, so that when a ship host is in an emergency shut-down failure, the shaft generator is used as the motor to drive a propeller to rotate, and a ship can safely return to a port.
Description
Technical field
The present invention relates to the generator in a kind of boats and ships Shaft-Generator, particularly a kind of boats and ships axle generator and running status changing method thereof of doing motor use.
Background technology
Along with the development of marine energy-saving technology, in boats and ships axis system, bring into use axle generator, axle generator on boats and ships generally adopts no-brush synchronous generator as generator, and the effect of bringing into play fully marine main engine efficiency has been played in the excavation of the electricity generate function of ship shaft band main frame.Simultaneously; those skilled in the art begin one's study; in the time there is the fault of emergency shutdown in marine main engine; boats and ships axle generator can be rotated as motor driven screw; the problem that boats and ships are put back to port; make axle generator realize motor function, the starting difficult problem need to solve axle generator and move as motor time, and realize the generating of this machine and the switching of electronic two kinds of reversible operation states.
Summary of the invention
The invention provides a kind of boats and ships axle generator and running status changing method thereof that motor uses of doing, solved the existing technical barrier of realizing generating and electronic two kinds of functions switching as axle generator.
The present invention solves above technical problem by the following technical programs:
A kind of boats and ships axle generator of doing motor use, comprise electric machine stand and motor driving shaft, on electric machine stand, be respectively arranged with connection box for motor and the field power supply that three-phase AC excitation electric current and DC excitation electric current can be provided simultaneously, in electric machine stand, be respectively arranged with alternating-current motor stator three phase windings and exciter stator three phase windings, on motor driving shaft, be disposed with from left to right AC motor rotor and concentrate winding, rotating rectifier and exciter rotor three phase windings, the three-phase lead wire of three phase windings of alternating-current motor stator three phase windings and sub corresponding the linking together of the three-phase terminal in connection box for motor, AC motor rotor concentrates the anode lead wire of winding and the positive binding post of rotating rectifier to link together, AC motor rotor concentrates the negative terminal lead wire of winding and the negative binding post of rotating rectifier to link together, the three-phase lead wire of three phase windings of exciter rotor three phase windings and sub corresponding the linking together of the three-phase terminal of rotating rectifier, the corresponding connection of three lead-out terminals of the three-phase lead wire of three phase windings in exciter stator three phase windings and three utmost point DC switchs, after any two terminal short circuits in three input terminals of three utmost point DC switchs, link together with the straight polarity direct current line terminals of field power supply, the negative binding post of the not short circuit input terminal of three utmost point DC switchs and the direct current of field power supply links together, the three-phase lead wire of three phase windings in exciter stator three phase windings also with the corresponding connection of three outputs of three-phase alternating-current switch, three inputs of three-phase alternating-current switch and the corresponding connection of three ac terminals of field power supply.
Make the ship shaft band operation state of generator changing method that motor uses, comprise the following steps:
The first step, connection box for motor and the field power supply that three-phase AC excitation electric current and DC excitation electric current can be provided are simultaneously set respectively on electric machine stand, alternating-current motor stator three phase windings and exciter stator three phase windings are set respectively in electric machine stand, on motor driving shaft, set gradually from left to right AC motor rotor and concentrate winding, rotating rectifier and exciter rotor three phase windings, the three-phase lead wire of three phase windings of alternating-current motor stator three phase windings and sub corresponding the linking together of the three-phase terminal in connection box for motor, AC motor rotor concentrates the anode lead wire of winding and the positive binding post of rotating rectifier to link together, AC motor rotor concentrates the negative terminal lead wire of winding and the negative binding post of rotating rectifier to link together, the three-phase lead wire of three phase windings of exciter rotor three phase windings and sub corresponding the linking together of the three-phase terminal of rotating rectifier, the corresponding connection of three lead-out terminals of the three-phase lead wire of three phase windings in exciter stator three phase windings and three utmost point DC switchs, after any two terminal short circuits in three input terminals of three utmost point DC switchs, link together with the straight polarity direct current line terminals of field power supply, the negative binding post of the not short circuit input terminal of three utmost point DC switchs and the direct current of field power supply links together, the three-phase lead wire of three phase windings in exciter stator three phase windings also with the corresponding connection of three outputs of three-phase alternating-current switch, three inputs of three-phase alternating-current switch and the corresponding connection of three ac terminals of field power supply,
Second step, three-phase alternating-current switch is disconnected, by three utmost point DC switch closures, field power supply provides DC excitation electric current for exciter stator winding, and boats and ships axle generator is in generator operation state;
The 3rd step, by three-phase alternating-current switch closure, three utmost point DC switchs are disconnected, field power supply provides AC excitation electric current for exciter stator winding, boats and ships axle generator is in motoring.
The invention solves the generator of ship shaft band system as the problem of motor use, particularly solved the direct starting problem of the generator of ship shaft band system.In existing technology, under static rotating speed, exciter rotor is to cut static stator field, therefore, cannot induce voltage, makes synchronous machine there is no self-starting function.In the present invention, the stator of exciter adopts to exchange and carries out excitation, even like this under zero rotating speed, still can produce the magnetic field of rotation, the magnetic field of this rotation can induce alternating current at rotor winding in the time of cutting rotor winding, and then for synchronous machine provides excitation, make synchronous machine have the ability to realize self-starting.In addition, slip-ring device when the present invention has also reduced as electric operation, has improved system reliability of operation.
The present invention has realized the generating of boats and ships axle generators and the convenient conversion of electronic two kinds of modes; solve a direct startup difficult problem for boats and ships axle generators; simple in structure; easy to operate; and reduced the cost of integral device, realized in the time that the fault of emergency shutdown appears in marine main engine, by axle generator as motor; with its driving screw rotation, boats and ships can be put back to port safely.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of circuit connecting relation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
A kind of boats and ships axle generator of doing motor use, comprise electric machine stand 2 and motor driving shaft 1, on electric machine stand 2, be respectively arranged with connection box for motor 7 and the field power supply 6 that three-phase AC excitation electric current and DC excitation electric current can be provided simultaneously, in electric machine stand 2, be respectively arranged with alternating-current motor stator three phase windings 3 and exciter stator three phase windings 9, on motor driving shaft 1, be disposed with from left to right AC motor rotor and concentrate winding 4, rotating rectifier 5 and exciter rotor three phase windings 8, the sub-U of three-phase terminal in three-phase lead wire and the connection box for motor 7 of three phase windings of alternating-current motor stator three phase windings 3, V, W correspondence links together, AC motor rotor concentrates the anode lead wire of winding 4 and the positive binding post of rotating rectifier 5 to link together, AC motor rotor concentrates the negative terminal lead wire of winding 4 and the negative binding post of rotating rectifier 5 to link together, the three-phase lead wire of three phase windings of exciter rotor three phase windings 8 and sub corresponding the linking together of the three-phase terminal of rotating rectifier 5, the corresponding connection of three lead-out terminals of the three-phase lead wire of three phase windings in exciter stator three phase windings 9 and three utmost point DC switchs 11, after any two terminal short circuits in three input terminals of three utmost point DC switchs 11, link together with the straight polarity direct current line terminals F1 of field power supply 6, the negative binding post F2 of the not short circuit input terminal of three utmost point DC switchs 11 and the direct current of field power supply 6 links together, the three-phase lead wire of three phase windings in exciter stator three phase windings 9 also with the corresponding connection of three outputs of three-phase alternating-current switch 10, three inputs of three-phase alternating-current switch 10 and three ac terminal UF of field power supply 6, VF, WF is corresponding to be connected.
Make the ship shaft band operation state of generator changing method that motor uses, comprise the following steps:
The first step, connection box for motor 7 and the field power supply 6 that three-phase AC excitation electric current and DC excitation electric current can be provided are simultaneously set respectively on electric machine stand 2, at interior alternating-current motor stator three phase windings 3 and exciter stator three phase windings 9 of arranging respectively of electric machine stand 2, on motor driving shaft 1, set gradually from left to right AC motor rotor and concentrate winding 4, rotating rectifier 5 and exciter rotor three phase windings 8, the sub-U of three-phase terminal in three-phase lead wire and the connection box for motor 7 of three phase windings of alternating-current motor stator three phase windings 3, V, W correspondence links together, AC motor rotor concentrates the anode lead wire of winding 4 and the positive binding post of rotating rectifier 5 to link together, AC motor rotor concentrates the negative terminal lead wire of winding 4 and the negative binding post of rotating rectifier 5 to link together, the three-phase lead wire of three phase windings of exciter rotor three phase windings 8 and sub corresponding the linking together of the three-phase terminal of rotating rectifier 5, the corresponding connection of three lead-out terminals of the three-phase lead wire of three phase windings in exciter stator three phase windings 9 and three utmost point DC switchs 11, after any two terminal short circuits in three input terminals of three utmost point DC switchs 11, link together with the straight polarity direct current line terminals F1 of field power supply 6, the negative binding post F2 of the not short circuit input terminal of three utmost point DC switchs 11 and the direct current of field power supply 6 links together, the three-phase lead wire of three phase windings in exciter stator three phase windings 9 also with the corresponding connection of three outputs of three-phase alternating-current switch 10, three inputs of three-phase alternating-current switch 10 and three ac terminal UF of field power supply 6, VF, WF is corresponding to be connected,
Second step, three-phase alternating-current switch 10 is disconnected, by three utmost point DC switchs 11 when closed, field power supply 6 provides DC excitation electric current for exciter stator winding 9, and boats and ships axle generator is in generator operation state;
The 3rd step, by three-phase alternating-current switch 10 closures, three utmost point DC switchs 11 are disconnected, field power supply 6 provides AC excitation electric current for exciter stator winding 9, boats and ships axle generator is in motoring.
In the time of three utmost point DC switchs 11 disconnections and three-phase alternating-current switch 10 closure, exciter stator three phase windings 9 are connect alternating current by three ac terminals of field power supply 6, electromagnetic field cutting exciter rotor three phase windings 8 of the alternation in exciter stator winding 9, thereby produce exciting current in exciter rotor three phase windings 8, generation current in exciter rotor three phase windings 8, be rectified into after direct current through rotating rectifier 5, concentrate winding 4 for AC motor rotor DC excitation electric current is provided, thereby realize the self-starting of synchronous machine, axle band system generator operation is in motoring condition.
In the time that three utmost point DC switchs 11 are closed and three-phase alternating-current switch 10 disconnects, after any two terminal short circuits in three input terminals of three utmost point DC switchs 11, link together with the straight polarity direct current line terminals F1 of field power supply 6, the negative binding post F2 of the not short circuit input terminal of three utmost point DC switchs 11 and the direct current of field power supply 6 links together, field power supply 6 provides DC excitation electric current for exciter stator three phase windings 9, make exciter rotor three phase winding 8 circumgyration incision magnetic field generation currents, thereby realize axle band system generator operation in generating state.
Wherein two-terminal short circuit in three input terminals of three utmost point DC switchs 11.
Claims (2)
1. can make the boats and ships axle generator that motor uses for one kind, comprise electric machine stand (2) and motor driving shaft (1), on electric machine stand (2), be respectively arranged with connection box for motor (7) and provide three-phase AC excitation electric current and the field power supply of DC excitation electric current (6) simultaneously, it is characterized in that, in electric machine stand (2), be respectively arranged with alternating-current motor stator three phase windings (3) and exciter stator three phase windings (9), on motor driving shaft (1), be disposed with from left to right AC motor rotor and concentrate winding (4), rotating rectifier (5) and exciter rotor three phase windings (8), three-phase terminal (U in the three-phase lead wire of three phase windings of alternating-current motor stator three phase windings (3) and connection box for motor (7), V, W) correspondence links together, AC motor rotor concentrates the anode lead wire of winding (4) and the positive binding post of rotating rectifier (5) to link together, AC motor rotor concentrates the negative terminal lead wire of winding (4) and the negative binding post of rotating rectifier (5) to link together, sub corresponding the linking together of three-phase terminal of the three-phase lead wire of three phase windings of exciter rotor three phase windings (8) and rotating rectifier (5), the corresponding connection of three lead-out terminals of the three-phase lead wire of three phase windings in exciter stator three phase windings (9) and three utmost point DC switchs (11), after any two terminal short circuits in three input terminals of three utmost point DC switchs (11), link together with the straight polarity direct current line terminals (F1) of field power supply (6), the negative binding post (F2) of direct current of the not short circuit input terminal of three utmost point DC switchs (11) and field power supply (6) links together, the three-phase lead wire of three phase windings in exciter stator three phase windings (9) also with the corresponding connection of three outputs of three-phase alternating-current switch (10), three inputs of three-phase alternating-current switch (10) and three ac terminal (UF of field power supply (6), VF, WF) correspondence links together.
2. can make the ship shaft band operation state of generator changing method that motor uses, comprise the following steps:
The first step, connection box for motor (7) is set respectively on electric machine stand (2) and provides three-phase AC excitation electric current and the field power supply of DC excitation electric current (6) simultaneously, alternating-current motor stator three phase windings (3) and exciter stator three phase windings (9) are set respectively in electric machine stand (2), on motor driving shaft (1), set gradually from left to right AC motor rotor and concentrate winding (4), rotating rectifier (5) and exciter rotor three phase windings (8), three-phase terminal (U in the three-phase lead wire of three phase windings of alternating-current motor stator three phase windings (3) and connection box for motor (7), V, W) correspondence links together, AC motor rotor concentrates the anode lead wire of winding (4) and the positive binding post of rotating rectifier (5) to link together, AC motor rotor concentrates the negative terminal lead wire of winding (4) and the negative binding post of rotating rectifier (5) to link together, sub corresponding the linking together of three-phase terminal of the three-phase lead wire of three phase windings of exciter rotor three phase windings (8) and rotating rectifier (5), the corresponding connection of three lead-out terminals of the three-phase lead wire of three phase windings in exciter stator three phase windings (9) and three utmost point DC switchs (11), after any two terminal short circuits in three input terminals of three utmost point DC switchs (11), link together with the straight polarity direct current line terminals (F1) of field power supply (6), the negative binding post (F2) of direct current of the not short circuit input terminal of three utmost point DC switchs (11) and field power supply (6) links together, the three-phase lead wire of three phase windings in exciter stator three phase windings (9) also with the corresponding connection of three outputs of three-phase alternating-current switch (10), three inputs of three-phase alternating-current switch (10) and three ac terminal (UF of field power supply (6), VF, WF) corresponding connection,
Second step, by three-phase alternating-current switch (10) disconnect, by three utmost point DC switch (11) closures, field power supply (6) provides DC excitation electric current for exciter stator winding (9), boats and ships axle generator is in generator operation state;
The 3rd step, by three-phase alternating-current switch (10) closure, by three utmost point DC switchs (11) disconnect, field power supply (6) provides AC excitation electric current for exciter stator winding (9), boats and ships axle generator is in motoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187887.XA CN104038005A (en) | 2014-05-06 | 2014-05-06 | Ship shaft generator capable of being used as motor and running state switching method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187887.XA CN104038005A (en) | 2014-05-06 | 2014-05-06 | Ship shaft generator capable of being used as motor and running state switching method thereof |
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| Publication Number | Publication Date |
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| CN104038005A true CN104038005A (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410187887.XA Pending CN104038005A (en) | 2014-05-06 | 2014-05-06 | Ship shaft generator capable of being used as motor and running state switching method thereof |
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| CN (1) | CN104038005A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429358A (en) * | 2015-11-30 | 2016-03-23 | 北京赛思亿电气科技有限公司 | Ship shaft power generation system capable of being started as motor and control method for ship shaft power generation system |
| CN112740541A (en) * | 2018-09-26 | 2021-04-30 | 西门子股份公司 | Method for maintaining the rotational position of a rotor of a permanently excited three-phase electric machine having a soft starter, to which an external torque is applied, and three-phase electric machine |
| CN113794296A (en) * | 2021-09-10 | 2021-12-14 | 中船重工电机科技股份有限公司 | Installation method of split type shaft generator rotor |
Citations (4)
| 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 |
| CN101707426A (en) * | 2009-12-04 | 2010-05-12 | 山西汾西重工有限责任公司 | AC rotor generator used by reversible running boat |
| CN101924441A (en) * | 2010-08-10 | 2010-12-22 | 哈尔滨理工大学 | Synchronous motor brushless excitation device adopting additional motor |
| CN204131353U (en) * | 2014-05-06 | 2015-01-28 | 北京赛思亿电气科技有限公司 | The boats and ships axle generator that motor uses can be made |
-
2014
- 2014-05-06 CN CN201410187887.XA patent/CN104038005A/en active Pending
Patent Citations (4)
| 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 |
| CN101707426A (en) * | 2009-12-04 | 2010-05-12 | 山西汾西重工有限责任公司 | AC rotor generator used by reversible running boat |
| CN101924441A (en) * | 2010-08-10 | 2010-12-22 | 哈尔滨理工大学 | Synchronous motor brushless excitation device adopting additional motor |
| CN204131353U (en) * | 2014-05-06 | 2015-01-28 | 北京赛思亿电气科技有限公司 | The boats and ships axle generator that motor uses can be made |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429358A (en) * | 2015-11-30 | 2016-03-23 | 北京赛思亿电气科技有限公司 | Ship shaft power generation system capable of being started as motor and control method for ship shaft power generation system |
| CN112740541A (en) * | 2018-09-26 | 2021-04-30 | 西门子股份公司 | Method for maintaining the rotational position of a rotor of a permanently excited three-phase electric machine having a soft starter, to which an external torque is applied, and three-phase electric machine |
| CN113794296A (en) * | 2021-09-10 | 2021-12-14 | 中船重工电机科技股份有限公司 | Installation method of split type shaft generator rotor |
| CN113794296B (en) * | 2021-09-10 | 2023-08-11 | 中船重工电机科技股份有限公司 | Method for mounting split type shaft generator rotor |
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