CN104038109A - Starter of ship shaft generator capable of being used as motor and start method thereof - Google Patents
Starter of ship shaft generator capable of being used as motor and start method thereof Download PDFInfo
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Abstract
The invention discloses a starter and a start method thereof when a ship shaft generator is used as a motor, and solves the technical problems that in the prior art when a shaft system generator is used as a motor, smooth start-up cannot be achieved, and a starter is not reasonable in structure and large in space occupation. The starter comprise a ship power station power supply (14), an excitation frequency converter (13), a main frequency converter (15), a programmable controller (16), a tri-pole DC switch (11), a tri-phase AC switch (10) and a DC excitation power supply module (12), can control of smooth start-up of the shaft generator as the motor, can steadily pitch into a shaft system, provides synchronous power-driven running of DC excitation by the DC excitation power supply module, reduces the axial depth of a ship shaft, and is particularly suitable for use in ships.
Description
Technical field
The present invention relates to a kind of starting drive while using boats and ships axle generator as motor, particularly a kind of starting drive and starting method thereof of making the boats and ships axle generator that motor uses.
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, the excavation of the electricity generate function of ship shaft band main frame, play the effect of bringing into play fully marine main engine efficiency, 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, a startup difficult problem need to solve axle generator and move as motor time, at present, solving the method starting is on the main shaft of axle band system, coaxially to connect an assistant starting asynchronous machine by shaft coupling, and disconnect the field power supply of axle generator, first start auxiliary asynchronous motor, when auxiliary asynchronous motor rotating shaft and the synchronization of the rotating shaft of coaxial axle generator are brought up to after certain rotating speed, disconnect again the power supply source of auxiliary asynchronous motor, the exciting current of closed axle generator simultaneously, complete startup, embodiment has two kinds: the first, auxiliary asynchronous electric is directly coaxial connection with the axle 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 larger defect of volume of whole axle band system, and the shared limited space of ship shaft band system, especially auxiliary asynchronous motor is coaxially connected and has increased the system axial degree of depth with axle generator, make the space layout difficulty especially of axle band system.The second, in order to save space and axial depth, can select the auxiliary asynchronous motor of smaller power, first the main shaft of axle band system and the rotating shaft of axle generator are towed out, to assist again asynchronous motor to be coaxially connected by shaft coupling with axle generator, play dynamic auxiliary asynchronous motor, when asynchronous motor rotating shaft and the synchronization of the rotating shaft of coaxial axle generator are brought up to after certain rotating speed, and then the main shaft of the rotating shaft of axle generator and axle band system is agreed to play, the mechanical impact force that moment is agreed to play in existence is very big, can not smooth starting, easily damage axle band system, make its lost of life.
Summary of the invention
The invention provides a kind of starting drive and starting method thereof of boats and ships axle generator that motor uses of doing, while having solved existing axle band system generator as motor start-up, can not realize smooth starting and the starting drive unreasonable structure large technical barrier that takes up room.
The present invention solves above technical problem by the following technical programs:
A kind of starting drive of the boats and ships axle generator of doing motor use, comprise Ship Power Station power supply, excitation converter, primary transducer, Programmable Logic Controller and DC excitation power module, 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, after wherein two-terminal short circuit in three input terminals of the straight polarity direct current line terminals of the DC excitation power module in field power supply and three utmost point DC switchs, link together, not short circuit input terminal in the negative binding post of direct current of the DC excitation power module in field power supply and three input terminals of three utmost point DC switchs links together, the input of excitation converter and Ship Power Station power supply link together, the input of primary transducer and Ship Power Station power supply link together, the output of primary transducer and sub corresponding the linking together of the three-phase terminal of connection box for motor, the corresponding connection of three inputs of the output of excitation converter and three-phase alternating-current switch, three outputs of three-phase alternating-current switch and the corresponding connection of three ac terminals of field power supply, three outputs of three-phase alternating-current switch also with the corresponding connection of three outputs of three utmost point DC switchs, 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, pulse width modulated wave control end and the Programmable Logic Controller of excitation converter link together, pulse width modulated wave control end and the Programmable Logic Controller of primary transducer link together.
A starting method of making the boats and ships axle generator of motor use, comprises the following steps:
The first step, the input of excitation converter and Ship Power Station power supply are linked together, the input of primary transducer and Ship Power Station power supply link together, the output of primary transducer and sub corresponding the linking together of the three-phase terminal of connection box for motor, the corresponding connection of three inputs of the output of excitation converter and three-phase alternating-current switch, three outputs of three-phase alternating-current switch and the corresponding connection of three ac terminals of field power supply, three outputs of three-phase alternating-current switch also with the corresponding connection of three outputs of three utmost point DC switchs, after wherein two-terminal short circuit in three input terminals of the straight polarity direct current line terminals of the DC excitation power module in field power supply and three utmost point DC switchs, link together, not short circuit input terminal in the negative binding post of direct current of the DC excitation power module in field power supply and three input terminals of three utmost point 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,
Second step, Programmable Logic Controller disconnect three utmost point DC switchs, by three-phase alternating-current switch closure, Programmable Logic Controller is by controlling the pulse width modulated wave control end of excitation converter, for exciter stator three phase windings of axle generator provide the three-phase AC excitation electric current of frequency conversion;
The 3rd step, Programmable Logic Controller are by controlling the pulse width modulated wave control end of primary transducer, for alternating-current motor stator three phase windings of axle generator provide voltage frequency ratio certain three-phase alternating current;
The 4th step, in the time that 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 alternating-current motor stator three phase windings that Ship Power Station power supply is axle generator by primary transducer provide is progressively reduced;
The 5th step, in the time that the electric current of alternating-current motor stator three phase windings of axle generator approaches zero, Programmable Logic Controller is by three utmost point DC switch closures, three-phase alternating-current switch is disconnected, and exciter stator three phase windings that DC excitation power module is axle generator provide DC excitation electric current;
The 6th step, Programmable Logic Controller be by controlling the pulse width modulated wave control end of primary transducer, makes the electric current that alternating-current motor stator three phase windings that Ship Power Station power supply is axle generator by primary transducer provide return to rated current, and startup completes.
The present invention has realized the startup of the boats and ships axle generator that can do motor use, solve the smooth starting of boats and ships axle generator as motor, and steadily cut axle band system the synchronous electric operation of DC excitation is provided by DC excitation power module, reduce ship shaft band axial depth.
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;
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 of the boats and ships axle generator of doing motor use, comprise Ship Power Station power supply 14, excitation converter 13, primary transducer 15, Programmable Logic Controller 16 and DC excitation power module 12, 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, after wherein two-terminal short circuit in three input terminals of the straight polarity direct current line terminals F1 of the DC excitation power module 12 in field power supply 6 and three utmost point DC switchs 11, link together, not short circuit input terminal in the negative binding post F2 of direct current of the DC excitation power module 12 in field power supply 6 and three input terminals of three utmost point DC switchs 11 links together, the input of excitation converter 13 and Ship Power Station power supply 14 link together, the input of primary transducer 15 and Ship Power Station power supply 14 link together, the sub-U of three-phase terminal of the output of primary transducer 15 and connection box for motor 7, V, W correspondence links together, the corresponding connection of three inputs of the output of excitation converter 13 and three-phase alternating-current switch 10, three outputs of three-phase alternating-current switch 10 and three ac terminal UF of field power supply 6, VF, WF is corresponding to be connected, three outputs of three-phase alternating-current switch 10 also with the corresponding connection of three outputs of three utmost point DC switchs 11, 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, 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.
A starting method of making the boats and ships axle generator of motor use, comprises the following steps:
The first step, the input of excitation converter 13 and Ship Power Station power supply 14 are linked together, the input of primary transducer 15 and Ship Power Station power supply 14 link together, the sub-U of three-phase terminal of the output of primary transducer 15 and connection box for motor 7, V, W correspondence links together, the corresponding connection of three inputs of the output of excitation converter 13 and three-phase alternating-current switch 10, three outputs of three-phase alternating-current switch 10 and three ac terminal UF of field power supply 6, VF, WF is corresponding to be connected, three outputs of three-phase alternating-current switch 10 also with the corresponding connection of three outputs of three utmost point DC switchs 11, after wherein two-terminal short circuit in three input terminals of the straight polarity direct current line terminals F1 of the DC excitation power module 12 in field power supply 6 and three utmost point DC switchs 11, link together, not short circuit input terminal in the negative binding post F2 of direct current of the DC excitation power module 12 in field power supply 6 and three input terminals of three utmost point DC switchs 11 links together, the pulse width modulated wave control end PWM of the pulse width modulated wave control end PWM of primary transducer 15 and excitation converter 13 links together with Programmable Logic Controller 16 respectively,
Second step, Programmable Logic Controller 16 disconnect three utmost point DC switchs 11, by three-phase alternating-current switch 10 closures, Programmable Logic Controller 16 is by controlling the pulse width modulated wave control end PWM of excitation converter 13, for exciter stator three phase windings 9 of axle generator provide the three-phase AC excitation electric current of frequency conversion;
The 3rd step, Programmable Logic Controller 16 are by controlling the pulse width modulated wave control end PWM of primary transducer 15, for alternating-current motor stator three phase windings 3 of axle generator provide voltage frequency ratio certain three-phase alternating current;
The 4th step, in the time that 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 alternating-current motor stator three phase windings 3 that Ship Power Station power supply 14 is axle generator by primary transducer 15 provide is progressively reduced;
The 5th step, in the time that the electric current of alternating-current motor stator three phase windings 3 of axle generator approaches zero, Programmable Logic Controller 16 is by three utmost point DC switch 11 closures, three-phase alternating-current switch 10 is disconnected, and exciter stator three phase windings 9 that DC excitation power module 12 is axle generator provide DC excitation electric current;
The 6th step, Programmable Logic Controller 16 are by controlling the pulse width modulated wave control end PWM of primary transducer 15, make the electric current that alternating-current motor stator three phase windings 3 that Ship Power Station power supply 14 is axle generator by primary transducer 15 provide return to rated current, startup completes.
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 starting drive that motor uses for one kind, comprise Ship Power Station power supply (14), excitation converter (13), primary transducer (15), Programmable Logic Controller (16) and DC excitation power module (12), 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, after wherein two-terminal short circuit in three input terminals of the straight polarity direct current line terminals (F1) of the DC excitation power module (12) in field power supply (6) and three utmost point DC switchs (11), link together, the negative binding post (F2) of direct current of the DC excitation power module (12) in field power supply (6) links together with the not short circuit input terminal in three input terminals of three utmost point DC switchs (11), the input of excitation converter (13) and Ship Power Station power supply (14) link together, the input of primary transducer (15) and Ship Power Station power supply (14) link together, three-phase terminal (the U of the output of primary transducer (15) and connection box for motor (7), V, W) correspondence links together, the corresponding connection of three inputs of the output of excitation converter (13) and three-phase alternating-current switch (10), 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) also with the corresponding connection of three outputs of three utmost point DC switchs (11), 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), the pulse width modulated wave control end (PWM) of excitation converter (13) links together with Programmable Logic Controller (16), the pulse width modulated wave control end (PWM) of primary transducer (15) links together with Programmable Logic Controller (16).
2. the starting method that can make the boats and ships axle generator of motor use, comprises the following steps:
The first step, the input of excitation converter (13) and Ship Power Station power supply (14) are linked together, the input of primary transducer (15) and Ship Power Station power supply (14) link together, three-phase terminal (the U of the output of primary transducer (15) and connection box for motor (7), V, W) correspondence links together, the corresponding connection of three inputs of the output of excitation converter (13) and three-phase alternating-current switch (10), 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) also with the corresponding connection of three outputs of three utmost point DC switchs (11), after wherein two-terminal short circuit in three input terminals of the straight polarity direct current line terminals (F1) of the DC excitation power module (12) in field power supply (6) and three utmost point DC switchs (11), link together, the negative binding post (F2) of direct current of the DC excitation power module (12) in field power supply (6) links together with the not short circuit input terminal in three input terminals of three utmost point 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,
Second step, Programmable Logic Controller (16) disconnect three utmost point DC switchs (11), by three-phase alternating-current switch (10) closure, Programmable Logic Controller (16) is by controlling the pulse width modulated wave control end (PWM) of excitation converter (13), for exciter stator three phase windings (9) of axle generator provide the three-phase AC excitation electric current of frequency conversion;
The 3rd step, Programmable Logic Controller (16) are by controlling the pulse width modulated wave control end (PWM) of primary transducer (15), for alternating-current motor stator three phase windings (3) of axle generator provide voltage frequency ratio certain three-phase alternating current;
The 4th step, in the time that 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 making Ship Power Station power supply (14) is that the electric current that alternating-current motor stator three phase windings (3) of axle generator provide progressively reduces by primary transducer (15);
The 5th step, in the time that the electric current of alternating-current motor stator three phase windings (3) of axle generator approaches zero, Programmable Logic Controller (16) is by three utmost point DC switch (11) closures, three-phase alternating-current switch (10) is disconnected, and exciter stator three phase windings (9) that DC excitation power module (12) is axle generator provide DC excitation electric current;
The 6th step, Programmable Logic Controller (16) are by controlling the pulse width modulated wave control end (PWM) of primary transducer (15), make Ship Power Station power supply (14) return to rated current by primary transducer (15) for the electric current that alternating-current motor stator three phase windings (3) of axle generator provide, startup completes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 true CN104038109A (en) | 2014-09-10 |
| CN104038109B CN104038109B (en) | 2016-04-06 |
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Cited By (2)
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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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| 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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| CN104038109B (en) | 2016-04-06 |
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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. |