CN104038109B - Boats and ships axle generator starting drive and the starting method thereof of motor use can be made - Google Patents
Boats and ships axle generator starting drive and the starting method thereof of motor use can be made Download PDFInfo
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Abstract
The invention discloses a kind of starting drive when being used as motor by boats and ships axle generator and starting method thereof, solve existing axle band system generator and to take up room large technical barrier as smooth starting and starting drive unreasonable structure can not be realized during motor start-up.Comprise Ship Power Station power supply (14), excitation converter (13), primary transducer (15), Programmable Logic Controller (16), three pole DC switchs (11), three-phase alternating-current switch (10) and DC excitation power module (12), solve starting drive and control axle generator as motor smooth starting, and steadily incision axle band system provides the synchronous electric operation of DC excitation by DC excitation power module, reduces ship shaft band axial depth.Be particularly suitable for using on boats and ships.
Description
Technical field
The present invention relates to a kind of starting drive when being used as motor by boats and ships axle generator, particularly a kind of starting drive and starting method thereof making the boats and ships axle generator that motor uses.
Background technology
Along with the development of marine energy-saving technology, axle generator is brought into use in boats and ships axis system, axle generator on boats and ships generally adopts no-brush synchronous generator as generator, the excavation of the electricity generate function of ship shaft band main frame, serve the effect playing marine main engine efficiency fully, simultaneously, those skilled in the art begin one's study, when there is the fault of emergency shutdown in marine main engine, boats and ships axle generator can be used as motor driven propeller rotational, make the problem that boats and ships put back to port, axle generator is made to realize motor function, need to solve axle generator as startup difficult problem during motor running, at present, solving the method started is coaxially connecting an assistant starting asynchronous machine by the main shaft of axle band system by shaft coupling, and disconnect the field power supply of axle generator, first start auxiliary asynchronous motor, after auxiliary asynchronous motor rotating shaft and the synchronization of the rotating shaft of coaxial axle generator bring up to certain rotating speed, disconnect the power supply source of auxiliary asynchronous motor again, the exciting current of closed axle generator simultaneously, complete startup, embodiment has two kinds: the first, auxiliary asynchronous electric is directly coaxially connected with the axle system of axle band system, because the moment of inertia of axle band system is larger, generally select the auxiliary asynchronous motor of relatively high power just can complete startup, there is the defect that the volume of whole axle band system is larger, and limited space shared by ship shaft band system, especially assist asynchronous motor to be coaxially connected with axle generator and increase the system axial degree of depth, make the space layout of axle band system difficult especially.The second, in order to save space and axial depth, the auxiliary asynchronous motor of smaller power can be selected, first the main shaft of axle band system and the rotating shaft of axle generator are towed out, again auxiliary asynchronous motor is coaxially connected by shaft coupling with axle generator, play dynamic auxiliary asynchronous motor, after asynchronous motor rotating shaft and the synchronization of the rotating shaft of coaxial axle generator bring up to certain rotating speed, and then the main shaft of the rotating shaft of axle generator and axle band system is agreed to play, there is the mechanical impact force agreeing to play moment very big, can not smooth starting, easy damage axle band system, make its lost of life.
Summary of the invention
The invention provides and a kind ofly make the starting drive of boats and ships axle generator that motor uses and starting method thereof, solve existing axle band system generator and to take up room large technical barrier as smooth starting and starting drive unreasonable structure can not be realized during motor start-up.
The present invention solves above technical problem by the following technical programs:
A kind of starting drive making the boats and ships axle generator that motor uses, comprise Ship Power Station power supply, excitation converter, primary transducer, Programmable Logic Controller and DC excitation power module, electric machine stand is respectively arranged with connection box for motor and the field power supply that simultaneously can provide three-phase AC excitation electric current and DC excitation electric current, link together after wherein two-terminal short circuit in the straight polarity direct current line terminals of the DC excitation power module in field power supply and three input terminals of three pole DC switchs, the non-short circuit input terminal that the direct current of the DC excitation power module in field power supply is born in three input terminals of binding post and three pole DC switchs links together, input and the Ship Power Station power supply of excitation converter link together, input and the Ship Power Station power supply of primary transducer link together, the output of primary transducer and the three-phase terminal of connection box for motor are sub correspondingly to link together, the output of excitation converter is corresponding with three of three-phase alternating-current switch inputs to be connected, three outputs of three-phase alternating-current switch are corresponding with three ac terminals of field power supply to be connected, three outputs of three-phase alternating-current switch are also corresponding with three outputs of three pole DC switchs to be connected, alternating-current motor stator three-phase windings and exciter stator three-phase windings is respectively arranged with in electric machine stand, motor driving shaft is disposed with AC motor rotor concentratred winding from left to right, rotating rectifier and exciter rotor three-phase windings, the three-phase lead wire of the three-phase windings of alternating-current motor stator three-phase windings and the three-phase terminal in connection box for motor are sub correspondingly to link together, the anode lead wire of AC motor rotor concentratred winding and the positive binding post of rotating rectifier link together, the negative terminal lead wire of AC motor rotor concentratred winding and the negative binding post of rotating rectifier link together, the three-phase lead wire of the three-phase windings of exciter rotor three-phase windings and the three-phase terminal of rotating rectifier are sub correspondingly to link together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings is corresponding with three lead-out terminals of three pole DC switchs to be connected, the pulse width modulated wave control end of excitation converter and Programmable Logic Controller link together, the pulse width modulated wave control end of primary transducer and Programmable Logic Controller link together.
Make a starting method for the boats and ships axle generator that motor uses, comprise the following steps:
The first step, the input of excitation converter and Ship Power Station power supply are linked together, input and the Ship Power Station power supply of primary transducer link together, the output of primary transducer and the three-phase terminal of connection box for motor are sub correspondingly to link together, the output of excitation converter is corresponding with three of three-phase alternating-current switch inputs to be connected, three outputs of three-phase alternating-current switch are corresponding with three ac terminals of field power supply to be connected, three outputs of three-phase alternating-current switch are also corresponding with three outputs of three pole DC switchs to be connected, link together after wherein two-terminal short circuit in the straight polarity direct current line terminals of the DC excitation power module in field power supply and three input terminals of three pole DC switchs, the non-short circuit input terminal that the direct current of the DC excitation power module in field power supply is born in three input terminals of binding post and three pole DC switchs links together, the pulse width modulated wave control end of primary transducer and the pulse width modulated wave control end of excitation converter link together with Programmable Logic Controller respectively,
Three pole DC switchs disconnect by second step, Programmable Logic Controller, three-phase alternating-current switch is closed, Programmable Logic Controller is by controlling the pulse width modulated wave control end of excitation converter, and the exciter stator three-phase windings for axle generator provides the three-phase AC excitation electric current of frequency conversion;
3rd step, Programmable Logic Controller are by controlling the pulse width modulated wave control end of primary transducer, the three-phase alternating current that the alternating-current motor stator three-phase windings for axle generator provides voltage frequency ratio certain;
4th step, when the rotating speed of axle generator reaches rated speed, Programmable Logic Controller is by controlling the pulse width modulated wave control end of primary transducer, and the electric current that Ship Power Station power supply is provided by the alternating-current motor stator three-phase windings that primary transducer is axle generator progressively reduces;
5th step, when the alternating-current motor stator three-phase windings of axle generator electric current close to zero time, three pole DC switchs close by Programmable Logic Controller, disconnected by three-phase alternating-current switch, the exciter stator three-phase windings that DC excitation power module is axle generator provides DC excitation electric current;
6th step, Programmable Logic Controller are by controlling the pulse width modulated wave control end of primary transducer, and the electric current that Ship Power Station power supply is provided by the alternating-current motor stator three-phase windings that primary transducer is axle generator returns to rated current, and startup completes.
Present invention achieves the startup can making the boats and ships axle generator that motor uses, solve the smooth starting of boats and ships axle generator as motor, and steadily incision axle band system provides the synchronous electric operation of DC excitation by DC excitation power module, reduces ship shaft band axial depth.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of circuit connecting relation of the present invention;
Fig. 3 is electrical structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
A kind of starting drive making the boats and ships axle generator that motor uses, comprise Ship Power Station power supply 14, excitation converter 13, primary transducer 15, Programmable Logic Controller 16 and DC excitation power module 12, electric machine stand 2 is respectively arranged with connection box for motor 7 and the field power supply 6 that simultaneously can provide three-phase AC excitation electric current and DC excitation electric current, link together after wherein two-terminal short circuit in the straight polarity direct current line terminals F1 of the DC excitation power module 12 in field power supply 6 and three input terminals of three pole DC switchs 11, the non-short circuit input terminal that the direct current of the DC excitation power module 12 in field power supply 6 is born in three input terminals of binding post F2 and three pole DC switchs 11 links together, input and the Ship Power Station power supply 14 of excitation converter 13 link together, input and the Ship Power Station power supply 14 of primary transducer 15 link together, the output of primary transducer 15 and the sub-U of three-phase terminal of connection box for motor 7, V, W correspondence links together, the output of excitation converter 13 is corresponding with three inputs of three-phase alternating-current switch 10 to be connected, three outputs of three-phase alternating-current switch 10 and three ac terminal UF of field power supply 6, VF, WF correspondence connects, three outputs of three-phase alternating-current switch 10 are also corresponding with three outputs of three pole DC switchs 11 to be connected, alternating-current motor stator three-phase windings 3 and exciter stator three-phase windings 9 is respectively arranged with in electric machine stand 2, motor driving shaft 1 is disposed with AC motor rotor concentratred winding 4 from left to right, rotating rectifier 5 and exciter rotor three-phase windings 8, the sub-U of three-phase terminal in the three-phase lead wire of the three-phase windings of alternating-current motor stator three-phase windings 3 and connection box for motor 7, V, W correspondence links together, the anode lead wire of AC motor rotor concentratred winding 4 and the positive binding post of rotating rectifier 5 link together, the negative terminal lead wire of AC motor rotor concentratred winding 4 and the negative binding post of rotating rectifier 5 link together, the three-phase lead wire of the three-phase windings of exciter rotor three-phase windings 8 and the three-phase terminal of rotating rectifier 5 are sub correspondingly to link together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings 9 is corresponding with three lead-out terminals of three pole DC switchs 11 to be connected, pulse width modulated wave control end PWM and the Programmable Logic Controller 16 of excitation converter 13 link together, pulse width modulated wave control end PWM and the Programmable Logic Controller 16 of primary transducer 15 link together.
Make a starting method for the boats and ships axle generator that motor uses, comprise the following steps:
The first step, the input of excitation converter 13 and Ship Power Station power supply 14 are linked together, input and the Ship Power Station power supply 14 of primary transducer 15 link together, the output of primary transducer 15 and the sub-U of three-phase terminal of connection box for motor 7, V, W correspondence links together, the output of excitation converter 13 is corresponding with three inputs of three-phase alternating-current switch 10 to be connected, three outputs of three-phase alternating-current switch 10 and three ac terminal UF of field power supply 6, VF, WF correspondence connects, three outputs of three-phase alternating-current switch 10 are also corresponding with three outputs of three pole DC switchs 11 to be connected, link together after wherein two-terminal short circuit in the straight polarity direct current line terminals F1 of the DC excitation power module 12 in field power supply 6 and three input terminals of three pole DC switchs 11, the non-short circuit input terminal that the direct current of the DC excitation power module 12 in field power supply 6 is born in three input terminals of binding post F2 and three pole DC switchs 11 links together, the pulse width modulated wave control end PWM of the primary transducer 15 and pulse width modulated wave control end PWM of excitation converter 13 links together with Programmable Logic Controller 16 respectively,
Three pole DC switchs 11 disconnect by second step, Programmable Logic Controller 16, three-phase alternating-current switch 10 is closed, Programmable Logic Controller 16 is by controlling the pulse width modulated wave control end PWM of excitation converter 13, and the exciter stator three-phase windings 9 for axle generator provides the three-phase AC excitation electric current of frequency conversion;
3rd step, Programmable Logic Controller 16 are by controlling the pulse width modulated wave control end PWM of primary transducer 15, the three-phase alternating current that the alternating-current motor stator three-phase windings 3 for axle generator provides voltage frequency ratio certain;
4th step, when the rotating speed of axle generator reaches rated speed, Programmable Logic Controller 16 is by controlling the pulse width modulated wave control end PWM of primary transducer 15, and the electric current that Ship Power Station power supply 14 is provided by the alternating-current motor stator three-phase windings 3 that primary transducer 15 is axle generator progressively reduces;
5th step, when the alternating-current motor stator three-phase windings 3 of axle generator electric current close to zero time, three pole DC switchs 11 close by Programmable Logic Controller 16, disconnected by three-phase alternating-current switch 10, the exciter stator three-phase windings 9 that DC excitation power module 12 is axle generator provides DC excitation electric current;
6th step, Programmable Logic Controller 16 are by controlling the pulse width modulated wave control end PWM of primary transducer 15, the electric current that Ship Power Station power supply 14 is provided by the alternating-current motor stator three-phase windings 3 that primary transducer 15 is axle generator returns to rated current, and startup completes.
Wherein two-terminal short circuit in three input terminals of three pole DC switchs 11.
Claims (2)
1. the boats and ships axle generator starting drive can made motor and use, comprise Ship Power Station power supply (14), excitation converter (13), primary transducer (15), Programmable Logic Controller (16) and DC excitation power module (12), electric machine stand (2) is respectively arranged with connection box for motor (7) and the field power supply (6) of three-phase AC excitation electric current and DC excitation electric current is provided simultaneously, it is characterized in that, link together after the straight polarity direct current line terminals (F1) of the DC excitation power module (12) in field power supply (6) and the wherein two-terminal short circuit in three input terminals of three pole DC switchs (11), the direct current of the DC excitation power module (12) in field power supply (6) is born binding post (F2) and is linked together with the non-short circuit input terminal in three input terminals of three pole DC switchs (11), input and the Ship Power Station power supply (14) of excitation converter (13) link together, input and the Ship Power Station power supply (14) of primary transducer (15) link together, the output of primary transducer (15) and the three-phase terminal (U of connection box for motor (7), V, W) correspondence links together, the output of excitation converter (13) is corresponding with three inputs of three-phase alternating-current switch (10) to be connected, three outputs of three-phase alternating-current switch (10) and three ac terminal (UF of field power supply (6), VF, WF) corresponding connection, three outputs of three-phase alternating-current switch (10) are also corresponding with three outputs of three pole DC switchs (11) to be connected, alternating-current motor stator three-phase windings (3) and exciter stator three-phase windings (9) is respectively arranged with in electric machine stand (2), motor driving shaft (1) is disposed with AC motor rotor concentratred winding (4) from left to right, rotating rectifier (5) and exciter rotor three-phase windings (8), three-phase terminal (U in the three-phase lead wire of the three-phase windings of alternating-current motor stator three-phase windings (3) and connection box for motor (7), V, W) correspondence links together, the anode lead wire of AC motor rotor concentratred winding (4) and the positive binding post of rotating rectifier (5) link together, the negative terminal lead wire of AC motor rotor concentratred winding (4) and the negative binding post of rotating rectifier (5) link together, the three-phase lead wire of the three-phase windings of exciter rotor three-phase windings (8) and the three-phase terminal of rotating rectifier (5) are sub correspondingly to link together, the three-phase lead wire of the three-phase windings in exciter stator three-phase windings (9) is corresponding with three lead-out terminals of three pole DC switchs (11) to be connected, pulse width modulated wave control end (PWM) and the Programmable Logic Controller (16) of excitation converter (13) link together, pulse width modulated wave control end (PWM) and the Programmable Logic Controller (16) of primary transducer (15) link together.
2. can make a starting method for the boats and ships axle generator that motor uses, comprise the following steps:
The first step, the input of excitation converter (13) and Ship Power Station power supply (14) are linked together, input and the Ship Power Station power supply (14) of primary transducer (15) link together, the output of primary transducer (15) and the three-phase terminal (U of connection box for motor (7), V, W) correspondence links together, the output of excitation converter (13) is corresponding with three inputs of three-phase alternating-current switch (10) to be connected, three outputs of three-phase alternating-current switch (10) and three ac terminal (UF of field power supply (6), VF, WF) corresponding connection, three outputs of three-phase alternating-current switch (10) are also corresponding with three outputs of three pole DC switchs (11) to be connected, link together after the straight polarity direct current line terminals (F1) of the DC excitation power module (12) in field power supply (6) and the wherein two-terminal short circuit in three input terminals of three pole DC switchs (11), the direct current of the DC excitation power module (12) in field power supply (6) is born binding post (F2) and is linked together with the non-short circuit input terminal in three input terminals of three pole DC switchs (11), the pulse width modulated wave control end (PWM) of primary transducer (15) and the pulse width modulated wave control end (PWM) of excitation converter (13) link together with Programmable Logic Controller (16) respectively,
Three pole DC switchs (11) disconnect by second step, Programmable Logic Controller (16), three-phase alternating-current switch (10) is closed, Programmable Logic Controller (16) is by controlling the pulse width modulated wave control end (PWM) of excitation converter (13), and the exciter stator three-phase windings (9) for axle generator provides the three-phase AC excitation electric current of frequency conversion;
3rd step, Programmable Logic Controller (16) are by controlling the pulse width modulated wave control end (PWM) of primary transducer (15), the three-phase alternating current that the alternating-current motor stator three-phase windings (3) for axle generator provides voltage frequency ratio certain;
4th step, when the rotating speed of axle generator reaches rated speed, Programmable Logic Controller (16) is by controlling the pulse width modulated wave control end (PWM) of primary transducer (15), and the electric current that Ship Power Station power supply (14) is provided by the alternating-current motor stator three-phase windings (3) that primary transducer (15) is axle generator progressively reduces;
5th step, when the alternating-current motor stator three-phase windings (3) of axle generator electric current close to zero time, three pole DC switchs (11) close by Programmable Logic Controller (16), disconnected by three-phase alternating-current switch (10), the exciter stator three-phase windings (9) that DC excitation power module (12) is axle generator provides DC excitation electric current;
6th step, Programmable Logic Controller (16) are by controlling the pulse width modulated wave control end (PWM) of primary transducer (15), the electric current that Ship Power Station power supply (14) is provided by the alternating-current motor stator three-phase windings (3) that primary transducer (15) is axle generator returns to rated current, and startup completes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410187879.5A CN104038109B (en) | 2014-05-06 | 2014-05-06 | Boats and ships axle generator starting drive and the starting method thereof of motor use can be made |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410187879.5A CN104038109B (en) | 2014-05-06 | 2014-05-06 | Boats and ships axle generator starting drive and the starting method thereof of motor use can be made |
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| CN104038109A CN104038109A (en) | 2014-09-10 |
| CN104038109B true CN104038109B (en) | 2016-04-06 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104578178A (en) * | 2014-12-30 | 2015-04-29 | 北京赛思亿电气科技有限公司 | Adjustment method of parallel generation power of shaft power generation system and diesel generator |
| 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 |
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Address after: 214105 room 806-813, block C, Chong Dong building, 88, Dan Shan Road, Xishan Town, Xishan, Wuxi. Co-patentee after: SHANXI FENXI HEAVY INDUSTRY Co.,Ltd. Patentee after: WUXI SILENT ELECTRIC SYSTEM (SES) TECHNOLOGY Co.,Ltd. Address before: 100097 room 506 and 507, block B, No. 116 Zizhu Road, Haidian District, Beijing. Co-patentee before: SHANXI FENXI HEAVY INDUSTRY Co.,Ltd. Patentee before: BEIJING CSE ELECTRICAL SCIENCE & TECHNOLOGY CO.,LTD. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Plot 83-D, Development Zone, Xinwu District, Wuxi City, Jiangsu Province, 214105 Patentee after: China Shipbuilding Saisiyi (Wuxi) Electrical Technology Co.,Ltd. Country or region after: Zhong Guo Patentee after: China State Shipbuilding Corporation Fenxi Heavy Industry Co.,Ltd. Address before: 214105 room 806-813, block C, Chong Dong building, 88, Dan Shan Road, Xishan Town, Xishan, Wuxi. Patentee before: WUXI SILENT ELECTRIC SYSTEM (SES) TECHNOLOGY Co.,Ltd. Country or region before: Zhong Guo Patentee before: SHANXI FENXI HEAVY INDUSTRY Co.,Ltd. |