CN1966303A - Tandem structure hybrid power system - Google Patents
Tandem structure hybrid power system Download PDFInfo
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- CN1966303A CN1966303A CNA2005100868903A CN200510086890A CN1966303A CN 1966303 A CN1966303 A CN 1966303A CN A2005100868903 A CNA2005100868903 A CN A2005100868903A CN 200510086890 A CN200510086890 A CN 200510086890A CN 1966303 A CN1966303 A CN 1966303A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention relates to a serial mixed power system, which comprises generate subsystem G and rectifier R, the driving motor reverser subsystem C, alternative-current motor subsystem M, accumulator (8), and output axle (6), wherein the subsystem G uses three-phase alternative generator whose parallel branch number is a (a>=2); the rectifier 2 uses the parallel three-phase rectify circuit or multi-branch rectify circuit matched with generator; the subsystem M uses three-phase alternative-current motor whose parallel branch number is a (a>=2); the subsystem C uses parallel three-phase reverser or multi-bridge reverser matched with alternative-current motor. The invention can improve reliability of serial mixed power system.
Description
Technical field
The invention belongs to series connection type hybrid power system, particularly the tandem structure hybrid power system of vehicle electric system.
Background technology
Tandem structure hybrid power system comprises centralized series connection type hybrid power system and two kinds of forms of distributed series connection type hybrid power system, and its basic structure difference is (parts such as cooling system, sensor, battery monitor system do not draw) as shown in Figures 1 and 2.Chen Qingquan academician's monograph " modern vehicle technology " has related content.
Fig. 1 is the scheme drawing of centralized tandem structure hybrid power system, by control, driving engine 1 drives electrical generator 2 and sends alternating current, be transformed to direct current (DC) by rectifying device 3, be battery 8 chargings, simultaneously drive motor inverter 4 alternating current that direct current (DC) is transformed into variable-frequency variable-voltage to be driving alternating-current motor/AC motor 5, and alternating-current motor/AC motor 5 is converted into mechanical energy with electric energy, with power by output shaft 6 outputs.In case of necessity, battery 8 also can be used as the energy output unit energy output is provided.The control that is necessary in addition, communication, monitoring and support system.
Fig. 2 is the scheme drawing (this example only comprises two branch roads) of distributed tandem structure hybrid power system, and process and Fig. 1 of whole transfer of energy and control are similar; Difference only be energy be assigned to respectively two different branch motor inverter 14 and 17 and alternating-current motor/ AC motor 15 and 18 on, and respectively power is exported by output shaft S116 and Sn19.In case of necessity, battery 21 also can be used as the energy output unit energy output is provided.
Electrical generator G and rectifying device R are defined as the generating link; Drive motor inverter C and alternating-current motor/AC motor M are defined as single motor-driven link.Be the generating link in the point-like frame of broken lines among Fig. 1 and Fig. 2, the middle low power system is not generally controlled by three phase alternator and three-phase or controllable rectifying device constitutes, its structure diagram as shown in Figure 3, A, the B of three-phase generator part and C three phase windings of representing three-phase generator wherein.In the line segment shape frame of broken lines among Fig. 1 and Fig. 2 promptly is the motor-driven link, the middle low power system generally is made of three-phase alternating current inverter and three-phase alternating current motor, its structure diagram as shown in Figure 4, A, the B of three phase alternating current motor part and C three phase windings of representing three phase alternating current motor wherein.This moment, series connection type hybrid power system was made of jointly central controller, engine controller, driving engine, generating link, one or more single motor-driven link, communication bus, battery, output shaft and parts such as cooling system and sensor.
Centralized or distributed tandem structure hybrid power system no matter, (generator failure normally winding opens circuit if electrical generator or rectifying device break down, rectifying device fault normally brachium pontis opens circuit), the link of then generating electricity can't be worked, and whole series connection type hybrid power system can only rely on battery to carry out downrating as the energy output unit.If inverter or drive motor go wrong (fault of converter normally brachium pontis opens circuit, and drive motor fault normally winding opens circuit), then driving link can't normal operation, the whole series connection type hybrid power system state that will paralyse.By above analysis as can be known, the reliability of series connection type hybrid power system is ensured that by the reliability of generating and driven element link in case arbitrary subring joint breaks down, system will be difficult to operation, travel thereby cause car load can only fall power, will cause car load to move when serious.Therefore the reliability that improves these two links is extremely important.
Usually can adopt the polyphase machine technology to improve system reliability on the more high-power naval vessel; When the system failure, the polyphase machine system can use the phase shortage control technology to continue operation.But the control relative complex of polyphase machine system, higher to space requirement height and cost, more be applicable to the occasion that has the higher-wattage grade, has big installing space, be difficult to the Drive for EV field not high at power grade, that installing space is less and be applied.
The another kind of method that improves tandem structure hybrid power electronlmobil reliability is to adopt system backup.Japanese Patent JP2004120906 " POWER SUPPLY CIRCUIT SYSTEM OF HYBRID ELECTRIC AUTOMOBILE " proposed similar way, its principle is separate inverter and the alternating current dynamo that each axletree adopts k (k＞=2), when certain inverter can not be worked, normal inverter drives coupled motor, make vehicle operating, thereby improve serviceability.This patent adopts the mode of backup to realize redundancy to inverter and drive motor system, does not consider how to improve the reliability of generating link; And adopt the system backup mode easily to cause the increase of volume and weight, relatively difficulty is installed under vehicle narrow space situation.
Summary of the invention
The objective of the invention is at the vehicle electric system power grade not high, spatial volume is limited, but the actual conditions high to reliability requirement, main generating link and motor-driven link to tandem structure hybrid power system, and the series connection type hybrid power system that is made of generating link, motor-driven link has proposed a kind of new design plan, provide a kind of simple in structure, volume is less and control easy hybrid power system, to improve the tandem structure hybrid power system reliability.
The present invention is by the following technical solutions:
The generating link of tandem structure hybrid power system of the present invention can be divided into G1 and two kinds of patterns of G2.In the G1 pattern, it is the three phase alternator of a (a 〉=2) that the electrical generator subsystem adopts the parallel branch number, rectifying device adopts three phase rectifier loop (this commutating circuit can adopt and not control mode of operation, also can the adopt controlled mode of operation) parallel connection with the electrical generator coupling; In the G2 pattern, it is the three phase alternator of a (a 〉=2) that the electrical generator subsystem adopts the parallel branch number, rectifying device adopts the multiple branch circuit commutating circuit (this commutating circuit can adopt and not control mode of operation, also can adopt controlled mode of operation) with the electrical generator coupling.
Electrical generator and rectifying device constitute redundant three-phase generation link jointly a-1 time, and the generating link adopts the work of part power generation sub-system during underloading simultaneously, can also improve the efficient of generating link in the whole service scope.But by fault detection link real-time detecting system state, no matter be generator windings fault or rectifying device brachium pontis fault, even the two is in faulty condition simultaneously, as long as the every phase of electrical generator has an intact winding at least, and the corresponding rectification brachium pontis of this winding is intact, the generating link promptly can derate work, has improved system reliability effectively.
The motor-driven link of tandem structure hybrid power system of the present invention can be divided into D1 pattern and D2 pattern.In the D1 pattern, it is the three phase alternating current motor of a (a 〉=2) that motor subsystem adopts the parallel branch number, inverter subsystem then adopts in the three-phase inverter that is complementary with the electrical motor D2 pattern in parallel, it is the three phase alternating current motor of a (a 〉=2) that motor subsystem adopts the parallel branch number, inverter subsystem then adopts the many leg inverters that are complementary with electrical motor, constitutes a-1 redundant three phase electric machine jointly and drives link.
Under two kinds of drive patterns, all should take methods such as driven in synchronism and reasonable line arrangement, with the conformability of the binistor turn-on and turn-off that guarantee the corresponding inverter brachium pontis of each parallel branch.Simultaneously use minority inversion subsystem during underloading, use during heavy duty whole inversion subsystems can improve the motor-driven link the whole service scope efficient.But by fault detection link real-time detecting system state, no matter be drive motor winding failure or inverter brachium pontis fault, even the two is in faulty condition simultaneously, as long as the every phase of drive motor has an intact winding at least, and the corresponding brachium pontis of this winding is also intact, driving link can derate work, has effectively improved system reliability.
Therefore the present invention can select to be fit to structure according to the actual requirements because generating link and motor-driven link are relatively independent when determining system topological.Arbitrary part is selected pattern of the present invention in generating link and the motor-driven link, can effectively improve the reliability of whole tandem structure hybrid power system.
In above-mentioned driving link, the binistor of inverter can be redundant with the further realization of mode (can realize with the device parallel way) of k branch road parallel connection, improves system reliability.
The present invention is in the electric drive system of centralized and distributed tandem structure hybrid power, employing contains the three-phase generator of parallel branch and replaces existing three-phase generation link with the rectifying device of its coupling, employing contains the three-phase drive motor of parallel branch and replaces existing three-phase drive link with the inverter of its coupling, the high reliability cascaded structure system that adopts improved generating link and motor-driven link to constitute replaces existing cascaded structure system, thereby has improved the reliability of electric drive system greatly.Simultaneously, use minority generating and inversion subsystem during underloading, use all generatings and inversion subsystem can improve the efficient of tandem structure hybrid power system during heavy duty in the whole service scope.
The present invention uses the three-phase generation link and the three phase electric machine that contain parallel branch to drive link, under the prerequisite that does not significantly increase system bulk, weight and control difficulty, it is redundant to utilize parallel branch to realize, can actv. improves the reliability and security of series connection type hybrid power system; And in the whole service scope, improve system effectiveness.
Description of drawings
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is centralized tandem structure hybrid power system structural representation;
Fig. 2 is distributed tandem structure hybrid power system structural representation;
Fig. 3 is the generating link scheme drawing in the common tandem structure hybrid power system;
Fig. 4 is the single motor-driven link scheme drawing in the common tandem structure hybrid power system;
Fig. 5 is high reliability that the three phase rectifier device of 2 three phase alternator and 2 parallel connections the is formed link schematic diagram that generates electricity for the present invention by the parallel branch number;
Fig. 6 is high reliability that 2 three phase alternator and 6 branch road rectifying devices the are formed link schematic diagram that generates electricity for the present invention by the parallel branch number;
Fig. 7 is the situation scheme drawing that breaks down of generator windings in the generating link shown in Figure 5;
Fig. 8 is the situation scheme drawing that breaks down of rectifying device brachium pontis in the generating link shown in Figure 5;
Fig. 9 is generator windings in the generating link shown in Figure 5 and the rectifying device brachium pontis situation scheme drawing that breaks down simultaneously;
Figure 10 is for by the parallel branch number being the motor-driven link schematic diagram of the present invention that the three-phase inverter of 2 three-phase alternating current drive motor and 2 parallel connections is formed;
Figure 11 is for being the motor-driven link schematic diagram of the present invention that 2 three-phase alternating current drive motor and 6 branch road inverters are formed by the parallel branch number;
Figure 12 is the situation scheme drawing that breaks down of inverter brachium pontis in the motor-driven link shown in Figure 10;
Figure 13 is the situation scheme drawing that breaks down of drive motor winding in the motor-driven link shown in Figure 10;
Figure 14 is drive motor winding in the motor-driven link shown in Figure 10 and the inverter brachium pontis situation scheme drawing that breaks down simultaneously;
Figure 15 has adopted the generate electricity centralized tandem structure hybrid power system structural representation of link and motor-driven link of the present invention;
Figure 16 has adopted the generate electricity distributed tandem structure hybrid power system structural representation of link and motor-driven link of the present invention.
The specific embodiment
With the G1 power generation mode is example, further specifies the generating link of tandem structure hybrid power system of the present invention.Fig. 5 is the generating link of the present invention that the three phase rectifier device of 2 three phase alternator and 2 parallel connections is formed by the parallel branch number.As shown in Figure 5, A1 is an A phase generator winding in parallel with A2, and B1 is a B phase generator winding in parallel with B2, and C1 is a C phase generator winding in parallel with C2; A1, a2, b1, b2, c1 and c2 be respectively with the cooresponding brachium pontis of A1, A2, B1, B2, C1 and C2.
Under the underloading situation, the part power generation sub-system work that can rely on generator windings A1, B1 and C1 and rectification brachium pontis a1, b1 and c1 to constitute; Under the heavy duty situation, all power generation sub-system is worked simultaneously; Can improve the efficient of generating link in the whole service scope.
As shown in Figure 7, when the fault detection link detects the electrical generator single or multiple windings of generating in the link and breaks down (be generally winding and open circuit, with X number expression, down with), as long as the every phase of electrical generator all has at least one winding intact, need not any processing generating link still can work on.When A2 and two generator windings of B1 break down, need not any processing, system can rely on the generating link of being made up of generator windings A1, B2, C1 and C2 and corresponding rectification brachium pontis a1, b2, c1 and c2 to work on, and has effectively improved the reliability of system.
As shown in Figure 8, when one or more brachium pontis of the rectifying device in detecting the generating link break down (normally half brachium pontis opens circuit, with X number expression, down together), as long as electrical generator each all have at least a corresponding brachium pontis intact mutually, need not any processing generating link still can work on.When b2 and two rectification brachium pontis of c1 break down, need not any processing, system can rely on the generating link of being made up of generator windings B1, C2, A1 and A2 and corresponding rectification brachium pontis b1, c2, a1 and a2 to work on, and has effectively improved the reliability of system.
As shown in Figure 9, when the brachium pontis that detects the generator windings of generating in the link and rectifying device simultaneously during et out of order, as long as the every phase of electrical generator has an intact winding at least, and the corresponding rectification brachium pontis of this winding is intact, and the link of generating electricity promptly can work on.When A1 and two generator windings of C1 break down, and c1 and two rectification brachium pontis of b2 need not any processing when breaking down, and system can rely on the generating link of being made up of generator windings A2, B1 and C2 and corresponding rectification brachium pontis a2, b1 and c2 to work on.
Be example with the D1 type of drive below, further specify motor-driven link of the present invention.Figure 10 is that the high reliability motor that the three-phase inverter of 2 three-phase alternating current drive motor and 2 parallel connections is formed drives link by the parallel branch number.As shown in figure 10, A1 and A2 are A in parallel motor winding mutually, and B1 and B2 be the B motor winding mutually of parallel connection, and C1 and C2 are the C motor winding mutually of parallel connection; A1, a2, b1, b2, c1 and c2 be respectively with the cooresponding brachium pontis of A1, A2, B1, B2, C1 and C2.Must adopt suitably control method such as driven in synchronism and reasonable line arrangement, guarantee the binistor conducting of the corresponding brachium pontis of electrical motor winding in parallel and the conformability of shutoff, promptly a1 is consistent with shutoff with the conducting of the binistor of a2, b1 and b2, c1 and three pairs of brachium pontis of c2.
Under the underloading situation, the Partial Inverse varitron system works that can rely on motor winding A1, B1 and C1 and inverter bridge leg a1, b1 and c1 to form; Under the heavy duty situation, all the inversion subsystem is worked simultaneously; Can improve and drive the efficient of link in the whole service scope.
As shown in figure 12, (being generally half brachium pontis opened circuit when the single or multiple brachium pontis of inverter that drive in the link broke down when detecting, with X number expression, down together), as long as the every phase of drive motor all has corresponding intact brachium pontis at least, need not any processing drive link and still can finish the four-quadrant mode and move.When inverter bridge leg b1 breaks down, need not any processing, system can rely on the driving link of being made up of motor winding A1 and A2, B2, C1 and C2 and corresponding inverter bridge leg a1 and a2, b2, c1 and c2 to work on, still need guarantee the binistor while turn-on and turn-off on inverter brachium pontis a1 and the a2 this moment, conducting simultaneously of the binistor on c1 and the c2 and shutoff.
As shown in figure 13, when the single or multiple windings of drive motor in detecting the driving link break down (being generally winding opens circuit), as long as the every phase of drive motor all has an intact winding at least, need not any processing drive link and still can finish the four-quadrant mode and move.When A2 in the electrical motor and two windings of B1 break down, need not any processing, system can rely on the driving link that is made of motor winding A1, B2, C1 and C2 and corresponding brachium pontis a1, b2, c1 and c2 to work on, and still need guarantee binistor conducting simultaneously and shutoff on inverter brachium pontis c1 and the c2 this moment.
As shown in figure 14, when detecting the motor winding that drives in the link and inverter brachium pontis simultaneously during et out of order, as long as the every phase of drive motor has an intact winding at least, and the corresponding inverter bridge leg of this winding is also intact, and the driving link can normal operation.When motor winding A1 and C2 fault, when inverter brachium pontis a1 and b2 break down, need not any processing, system can rely on the driving link that is made of motor winding A2, B1 and C1 and corresponding inverter bridge leg a2, b1 and c1 to work on, and has effectively improved system reliability.
In tandem structure hybrid power system, can determine system topology according to the actual requirements.Can in generating link and motor-driven link, arbitrary part select pattern of the present invention for use, can effectively improve the reliability of tandem structure hybrid power system.The centralized tandem structure hybrid power system structural representation of the present invention as shown in figure 15, the generating link can adopt G1 pattern, G2 pattern or general mode, electronic link can adopt D1 pattern, D2 pattern or general mode, constitutes centralized tandem structure hybrid power system with other system.The distributed tandem structure hybrid power system structural representation of the present invention as shown in figure 16, the generating link can adopt G1 pattern, G2 pattern or general mode, electronic link can adopt D1 pattern, D2 pattern or general mode, constitutes centralized tandem structure hybrid power system with other system.
Claims (2)
1, a kind of tandem structure hybrid power system, mainly comprise the electrical generator subsystem G and the rectifying device R that form the generating link, the drive motor inverter subsystem C of composition motor-driven link and alternating-current motor/AC motor subsystem M, battery [8], output shaft [6], it is characterized in that it is the three phase alternator of a (a 〉=2) that electrical generator subsystem G adopts the parallel branch number, rectifying device R adopts three phase rectifier in parallel loop or the multiple branch circuit commutating circuit with the electrical generator coupling; Motor subsystem M employing parallel branch number is the three phase alternating current motor of a (a 〉=2) in the motor-driven link, and drive motor inverter subsystem C adopts three-phase inverter in parallel or the many leg inverters that is complementary with alternating-current motor/AC motor.
2, according to the described tandem structure hybrid power system of claim 1, the binistor that it is characterized in that the drive motor inversion subsystem C of motor-driven link can adopt the mode of k branch road parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100868903A CN1966303A (en) | 2005-11-17 | 2005-11-17 | Tandem structure hybrid power system |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2005100868903A CN1966303A (en) | 2005-11-17 | 2005-11-17 | Tandem structure hybrid power system |
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| CN1966303A true CN1966303A (en) | 2007-05-23 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934719A (en) * | 2010-09-21 | 2011-01-05 | 重庆长安汽车股份有限公司 | Power system of plug-in hybrid power vehicle |
| CN102167260A (en) * | 2010-11-30 | 2011-08-31 | 大连华锐股份有限公司 | Fault redundancy protection system and method for variable frequency speed regulation of ladle crane |
| CN102642461A (en) * | 2012-05-08 | 2012-08-22 | 山推工程机械股份有限公司 | Hybrid power driving device of bulldozer and bulldozer |
| CN103358921A (en) * | 2013-07-26 | 2013-10-23 | 南车戚墅堰机车有限公司 | Novel alternating current transmission system for internal combustion locomotive |
| CN103825505A (en) * | 2014-02-21 | 2014-05-28 | 太仓航创自动化科技有限公司 | Topology reconstruction method of brushless direct-current motor fault-tolerant inverter |
| CN107800331A (en) * | 2016-09-06 | 2018-03-13 | 中车株洲电力机车研究所有限公司 | Transmission system and control method applied to the transmission system, device |
| CN109720212A (en) * | 2017-10-27 | 2019-05-07 | 湖南中车时代电动汽车股份有限公司 | A kind of control assembly for electric vehicle |
| TWI681889B (en) * | 2016-03-22 | 2020-01-11 | 光陽工業股份有限公司 | Series hybrid power device for vehicle and control method thereof |
-
2005
- 2005-11-17 CN CNA2005100868903A patent/CN1966303A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101934719A (en) * | 2010-09-21 | 2011-01-05 | 重庆长安汽车股份有限公司 | Power system of plug-in hybrid power vehicle |
| CN102167260A (en) * | 2010-11-30 | 2011-08-31 | 大连华锐股份有限公司 | Fault redundancy protection system and method for variable frequency speed regulation of ladle crane |
| CN102167260B (en) * | 2010-11-30 | 2013-04-03 | 大连华锐重工集团股份有限公司 | Fault redundancy protection system and method for variable frequency speed regulation of ladle crane |
| CN102642461A (en) * | 2012-05-08 | 2012-08-22 | 山推工程机械股份有限公司 | Hybrid power driving device of bulldozer and bulldozer |
| CN103358921A (en) * | 2013-07-26 | 2013-10-23 | 南车戚墅堰机车有限公司 | Novel alternating current transmission system for internal combustion locomotive |
| CN103825505A (en) * | 2014-02-21 | 2014-05-28 | 太仓航创自动化科技有限公司 | Topology reconstruction method of brushless direct-current motor fault-tolerant inverter |
| TWI681889B (en) * | 2016-03-22 | 2020-01-11 | 光陽工業股份有限公司 | Series hybrid power device for vehicle and control method thereof |
| CN107800331A (en) * | 2016-09-06 | 2018-03-13 | 中车株洲电力机车研究所有限公司 | Transmission system and control method applied to the transmission system, device |
| CN109720212A (en) * | 2017-10-27 | 2019-05-07 | 湖南中车时代电动汽车股份有限公司 | A kind of control assembly for electric vehicle |
| CN109720212B (en) * | 2017-10-27 | 2021-01-22 | 湖南中车时代电动汽车股份有限公司 | Control assembly for electric automobile |
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