CN104038121A - Rectification system for permanent-magnet synchronous generator - Google Patents
Rectification system for permanent-magnet synchronous generator Download PDFInfo
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- CN104038121A CN104038121A CN201410225361.6A CN201410225361A CN104038121A CN 104038121 A CN104038121 A CN 104038121A CN 201410225361 A CN201410225361 A CN 201410225361A CN 104038121 A CN104038121 A CN 104038121A
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Abstract
The invention discloses a rectification system for a permanent-magnet synchronous generator. The rectification system comprises: a prime mover, a permanent-magnet synchronous generator connected to the prime mover; a rectifier connected to the permanent-magnet synchronous generator through a breaker; a shore power source connected to the rectifier through a connector; a field controller connected between the permanent-magnet synchronous generator and the rectifier, wherein the input of two types of power sources is enabled under control of the field controller by disconnecting the breaker or the connector. The invention provides a rectification system for a permanent-magnet synchronous generator that is applicable to vessels. Said rectification system enables an input mode of both the permanent-magnet synchronous generator and the shore power source which are AC power sources with different voltages and frequencies. Also, Said rectification system can perform automatic detection of the input voltage and frequency at the input of the rectifier in the system, thereby achieving desired outputs of DC voltage and current.
Description
Technical field
The present invention relates to electric and electronic technical field, relate in particular to a kind of magneto alternator commutation system.
Background technology
The rectifier power source of permanent-magnet synchronous generating at present generates electricity with traditional electric excitation compared with rectifier power source, because generator has been cancelled electric excitation winding, the collector ring and the brush that easily break down are eliminated, adopt heterogeneous many winding permanent magnets synchronous generator simultaneously, thereby can effectively eliminate five, the seven inferior high order harmonic component magnetic potentials and five of fundamental current generation, the fundamental magnetic potential that the seventh harmonic electric current produces, reduce supplementary load loss, reduce stator winding and magnetic vibration unshakable in one's determination.And heterogeneous many winding permanent magnets synchronous generator more can reduce the ripple coefficient of rectification output current.
Boats and ships conventionally adopt with generator to carry out output AC electricity, connect the form of uncontrollable rectifier bridge with circuit breaker with magneto alternator commutation system, obtain and expect constant direct voltage and electric current.But the alternating current input power supplying of which is single, and take up room large, modularization, integrated degree of system complex, equipment is low, thereby affect effective utilization of boats and ships overall space, therefore on applying, has certain limitation.
Therefore, need badly and provide a solution to address the above problem, realize the alternating current input power supplying of various ways, reduce to equip area occupied and be one of problem that industry endeavours.
Summary of the invention
One of technical problem to be solved by this invention is that a kind of magneto alternator commutation system need to be provided, and this system can realize the alternating current input power supplying of various ways, reduces to equip area occupied.
In order to solve the problems of the technologies described above, the invention provides a kind of magneto alternator commutation system, this system comprises: prime mover; Magneto alternator, it is connected with described prime mover; Rectifier, it is connected with described magneto alternator by circuit breaker; Shore electric power, it is connected with described rectifier by connector; Field controller, it is connected between described magneto alternator and described rectifier, wherein, by disconnecting described circuit breaker or described connector, and under the control of described field controller, realizes the input of two kinds of AC power.
In one embodiment, disconnect under the first mode of described circuit breaker, described field controller gathers alternating voltage and the frequency of described shore electric power, calculate phase shifting control amount according to the setting output voltage of described rectifier, described alternating voltage and frequency, and described phase shifting control amount is modulated and obtained trigger impulse to send to described rectifier; Described field controller detects the direct voltage of the output of described rectifier in real time, by described direct voltage and described setting output voltage are compared, adjusts the phase shifting control amount of described rectifier.
In one embodiment, disconnect under the second pattern of described connector, the sample tach signal of described magneto alternator of described field controller, according to the corresponding relation of the output voltage of described tach signal and described magneto alternator, primary Calculation obtains input voltage and the frequency of described rectifier; Synchronizing voltage and the frequency of the input of rectifier described in described field controller synchronous acquisition; Described field controller is by input voltage that primary Calculation is obtained and frequency, compare with synchronizing voltage and frequency the final input voltage and the frequency that obtain described rectifier; Described field controller is according to the setting output voltage of described rectifier, final input voltage and frequency computation part phase shifting control amount, and described phase shifting control amount is modulated and obtained trigger impulse to send to described rectifier; Described field controller detects the direct voltage of the output of described rectifier in real time, by described direct voltage and described setting output voltage are compared, adjusts the rotating speed of described magneto alternator, and then regulates the phase shifting control amount of described rectifier.
In one embodiment, system also comprises: cooling system, it is connected with described magneto alternator, described rectifier and described field controller, described cooling system is used for described magneto alternator and described rectifier to carry out cooling, and gives described field controller by the signal feedback of self.
In one embodiment, described field controller detects the guard signal of described magneto alternator, described rectifier and described cooling system; Described field controller is sent to outside higher level's control system according to priority level by the described guard signal receiving, wherein, described guard signal at least comprises following two kinds of level signal: first class of protection signal comprises the too high signal of the rotating speed of described magneto alternator, described rectifier protection signal, synchronizing voltage lossing signal and higher level's control system failure signal; Second class protection signal comprises that cooling water pressure crosses low signal, the too high signal of coolant water temperature, dynamo bearing excess Temperature signal and the too high signal of winding temperature; This system also comprises short-circuit protection circuit, and it is arranged on the input of described rectifier, and described short-circuit protection circuit is protected described rectifier according to described rectifier protection signal.
In one embodiment, described magneto alternator is the six mutually double-Y shaped magneto alternators that move 30 ° of winding constructions.
In one embodiment, described prime mover is diesel engine or gas turbine.
In one embodiment, described rectifier is the device being composed in parallel by two groups of three-phase full-controlled rectifier bridges.
Compared with prior art, one or more embodiment of the present invention can have the following advantages by tool:
The present invention proposes a kind of magneto alternator commutation system that boats and ships are used that is applicable to, this system can realize the input pattern of the AC power of magneto alternator, these two kinds of different voltages of shore electric power, frequency, and, this system can be carried out the input voltage of system rectifier input, the automatic detection of frequency, and then obtains the direct voltage of expectation and the output of electric current.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in specification, claims and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification,, is not construed as limiting the invention jointly for explaining the present invention with embodiments of the invention.In the accompanying drawings:
Fig. 1 is according to the structural representation of the magneto alternator commutation system of the embodiment of the present invention;
Fig. 2 is the structural representation of field controller in the generating of permanent-magnet synchronous shown in Fig. 1 commutation system.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is according to the structural representation of the magneto alternator commutation system of the embodiment of the present invention.Describe each composition 26S Proteasome Structure and Function of this system in detail below with reference to Fig. 1.
As shown in Figure 1, this system mainly comprises: prime mover 10, magneto alternator (abbreviation generator) 11, bank electricity AC power (abbreviation shore electric power) 12, rectifier 13 and field controller 14.Prime mover 10 preferably adopts diesel engine or gas turbine.Generator 11 is connected with prime mover 10 by high speed coupling spindle, and this generator 11 preferably adopts the six mutually double-Y shaped magneto alternators that move 30 ° of winding constructions, and frequency is 322.5Hz.Rectifier 13 is connected with generator 11 by cable via circuit breaker 16, and this rectifier 13 adopts two groups of three-phase full-controlled rectifier bridge parallel-connection structures.In addition, rectifier 13 also comprises current sensor BC1, the BC2 of corresponding every group of three-phase full-controlled rectifier bridge setting and is arranged on the voltage sensor BV of output.Bank electricity AC power 12 is connected with rectifier 13 by connector, preferably, this connector is the fast connecting joint that is integrated in rectifier 13, can realize fast insert-pull to disconnect the connection of bank electricity AC power 12 and rectifier 13 by this joint, this bank electricity AC power 12 adopts electrical network electrical source of power, and frequency is 50Hz.Field controller 14 is connected with generator 11 and rectifier 13, and this field controller 14 is integrated terminal controller.In the present embodiment, can pass through cut-off breaker 16 or connector, and realize at the scene the input of two kinds of AC power under the control of controller 14.
In addition, this system also comprises cooling system 15, cooling system 15 and generator 11, rectifier 13 and field controller 14, the pure water cooling system that cooling system 15 can carry for boats and ships.Cooling system 15 is for generator 11 and rectifier 13 are carried out to cooling, and by devices such as such as temperature/pressure sensor by the signal feedback of self to field controller 14.
Can find out from said structure, the embodiment of the present invention is by generator 11 is connected with rectifier 13 respectively with shore electric power 12, and by the control of field controller 14, can realize the dual power supply pattern about rectifier 13.
Fig. 2 is the structural representation of field controller in the generating of permanent-magnet synchronous shown in Fig. 1 commutation system.Each composition 26S Proteasome Structure and Function of field controller 14 is described below with reference to Fig. 2.
As shown in Figure 2, this field controller 14 mainly comprises: CPU element 140 and the gray code signal collecting unit 141, digital quantity input unit 142, A/D processing unit 143, digital output unit 144 and the pulse output unit 145 that are connected with CPU element 140 respectively.This field controller 14 also comprises CAN communication unit 146, temperature detecting unit 147, analog acquisition unit 148 and the voltage, the frequency self-test unit 149 that are connected with A/D processing unit 143 respectively.
Wherein, gray code signal collecting unit 141 gathers by the encode tach signal of the generator 11 obtaining of external generator rotor signal absolute value encoder.Digital quantity input unit 142 receives rectifier protection signal.CAN communication unit 146 receives the signal of outside higher level's control system.Temperature detecting unit 147 detects the temperature of bearing and the winding of generator 11.Analog acquisition unit 148 gathers the direct voltage that the hydraulic pressure of cooling system 15 and the current sensor BC1 of temperature and rectifier 13, direct current that BC2 detects and voltage sensor BV detect.Voltage, frequency self-test unit 149 are used for synchronizing voltage and the frequency (can be understood as synchronizing voltage and the frequency of rectifier 13 inputs) of synchronous acquisition generator 11 outputs.A/D processing unit 143 sends to CPU element 140 for converting the analog signal from CAN communication unit 146, temperature detecting unit 147, analog acquisition unit 148 and voltage, frequency self-test unit 149 receiving to digital signal.
In addition, above-mentioned gray code signal collecting unit 141, digital quantity input unit 142, CAN communication unit 146, temperature detecting unit 147, analog acquisition unit 148 and voltage, 149 conducts of frequency self-test unit detect the guard signal checkout gear of the guard signal of magneto alternator 11, rectifier 13 and cooling system 15.
CPU element 140 is uploaded to the guard signal receiving in outside higher level's control system according to priority level, realizes the coordinating protection of magneto alternator 11 and rectifier 13.Wherein, guard signal at least comprises following two kinds of level signal: first class of protection signal (priority is the highest) comprises the too high signal of generator amature rotating speed, rectifier protection signal, higher level's control system failure signal and synchronizing voltage lossing signal; Secondary input signal (priority is taken second place) comprises that cooling water pressure crosses low signal, the too high signal of coolant water temperature, dynamo bearing excess Temperature signal and the too high signal of winding temperature.And then this system also comprises short-circuit protection circuit, this short-circuit protection circuit is integrated in the input of rectifier 13, and its rectifier protection signal of exporting according to digital output unit 144 is protected rectifier 13.
In addition, this field controller 14 also comprises standby communication unit, 485 communication units as shown in FIG..This field controller 14 also comprises power supply processing unit, processes for the control power supply to outside.
Being described in detail in this system under different mode is below how to control different direct current output.
Under first mode,, under the pattern of shore electric power 12 and rectifier 13 common operations, the circuit breaker 16 being connected with magneto alternator 11 is disconnected.
Field controller 14 gathers alternating voltage and the frequency of shore electric power 12.CPU element 140 in field controller 14 calculates phase shifting control amount according to the alternating voltage of the setting output voltage of rectifier 13, collection and frequency meter, and phase shifting control amount is modulated and obtained trigger impulse, this setting output voltage can be set by outside higher level's control system.Pulse output unit 145 is exported to trigger impulse in the silicon stack rectifier cell (high speed thyristor unit) of rectifier 13.In this process, analog acquisition unit 148 gathers current sensor BC1, the BC2 of rectifier 13 and direct current and the direct voltage that voltage sensor BV detects, the direct voltage detecting and direct current are converted into digital quantity by A/D processor 143, CPU element 140 compares the direct voltage after transforming and setting output voltage to regulate the phase shifting control amount of rectifier 13, and then keeps the stable of output voltage.CPU element 140 also compares with two branch road direct currents of the rectifier 13 detecting by the setting output current of correspondence being set to output voltage, realizes the meticulous control of electric current of two branch roads, regulation output direct current power.
And in first mode, the CPU element 140 of field controller 14 uploads to the guard signal classification receiving in higher level's control system according to priority level, realizes the coordinating protection of magneto alternator 11 and rectifier 13.
Under the second pattern,, under the pattern of prime mover 10, magneto alternator 11 and rectifier 13 common operations, the fast connecting joint between shore electric power 12 and rectifier 13 is pulled out to disconnect the cable between the two.The gray code signal collecting unit 141 of field controller 14 gathers by the encode tach signal of the generator 11 obtaining of external generator rotor signal absolute value encoder, CPU element 140 is according to the corresponding relation between tach signal and the output voltage of magneto alternator 11, and primary Calculation draws input voltage and the frequency of rectifier 13 inputs.Synchronizing voltage and the frequency of the input of voltage, frequency self-test unit 149 synchronous acquisition rectifiers 13.Synchronizing voltage and frequency that CPU element 140 obtains by input voltage that primary Calculation is obtained and frequency, with synchronized sampling compare the final input voltage and the frequency that obtain rectifier 13.
CPU element 140 calculates phase shifting control amount according to the setting output voltage of rectifier 13, final input voltage and frequency meter, and phase shifting control amount is modulated and obtained trigger impulse, and this setting output voltage can be set by outside higher level's control system.Pulse output unit 145 outputs to pulse-triggered in the silicon stack rectifier cell of rectifier 13.And, analog acquisition unit 148 gathers current sensor BC1, the BC2 of rectifier 13 and direct current and the direct voltage that voltage sensor BV detects, A/D processing unit 143 converts the direct voltage collecting and direct current to digital quantity, CPU element 140, by the direct voltage after conversion and the phase shifting control amount that setting output voltage compares to adjust generator 11 rotating speeds and then regulates rectifier 13, keeps the stable of output voltage.CPU element 140 also correspondence is set to the setting electric current of output voltage and the direct current of two branch roads compares, and realizes and the electric current of two branch roads is carried out to meticulous control, regulation output direct current power.
And under this pattern, field controller 14CPU unit 140 uploads to the guard signal classification receiving in higher level's control system according to priority level, realizes the coordinating protection of magneto alternator 11 and rectifier 13.
In sum, the embodiment of the present invention proposes a kind of magneto alternator commutation system, and this system both can have been applied magneto alternator, can apply again shore electric power.And this system has the adaptation function of different frequency AC power input, commutating voltage, the electric current adjustable range of output are wide, and the phase shifting control amount that can realize in wide voltage, wide frequency ranges is calculated and trigger impulse modulation.In addition, because control, the protected location of system are integrated in field controller, therefore this system possess that space is little, modularization and integrated high feature.
The above; be only specific embodiment of the invention case, protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in technical specification of the present invention; to amendment of the present invention or replacement, all should be within protection scope of the present invention.
Claims (8)
1. a magneto alternator commutation system, this system comprises:
Prime mover;
Magneto alternator, it is connected with described prime mover;
Rectifier, it is connected with described magneto alternator by circuit breaker;
Shore electric power, it is connected with described rectifier by connector;
Field controller, it is connected between described magneto alternator and described rectifier,
Wherein, by disconnecting described circuit breaker or described connector, and under the control of described field controller, realize the input of two kinds of AC power.
2. system according to claim 1, is characterized in that,
Disconnect under the first mode of described circuit breaker,
Described field controller gathers alternating voltage and the frequency of described shore electric power, calculate phase shifting control amount according to the setting output voltage of described rectifier, described alternating voltage and frequency, and described phase shifting control amount is modulated and obtained trigger impulse to send to described rectifier;
Described field controller detects the direct voltage of the output of described rectifier in real time, by described direct voltage and described setting output voltage are compared, adjusts the phase shifting control amount of described rectifier.
3. system according to claim 1 and 2, is characterized in that,
Disconnect under the second pattern of described connector,
The sample tach signal of described magneto alternator of described field controller, according to the corresponding relation of the output voltage of described tach signal and described magneto alternator, primary Calculation obtains input voltage and the frequency of described rectifier;
Synchronizing voltage and the frequency of the input of rectifier described in described field controller synchronous acquisition;
Described field controller is by input voltage that primary Calculation is obtained and frequency, compare with synchronizing voltage and frequency the final input voltage and the frequency that obtain described rectifier;
Described field controller is according to the setting output voltage of described rectifier, final input voltage and frequency computation part phase shifting control amount, and described phase shifting control amount is modulated and obtained trigger impulse to send to described rectifier;
Described field controller detects the direct voltage of the output of described rectifier in real time, by described direct voltage and described setting output voltage are compared, adjusts the rotating speed of described magneto alternator, and then regulates the phase shifting control amount of described rectifier.
4. system according to claim 1, is characterized in that, also comprises:
Cooling system, it is connected with described magneto alternator, described rectifier and described field controller, described cooling system is used for described magneto alternator and described rectifier to carry out cooling, and gives described field controller by the signal feedback of self.
5. system according to claim 4, is characterized in that,
Described field controller detects the guard signal of described magneto alternator, described rectifier and described cooling system;
Described field controller is sent to outside higher level's control system according to priority level by the described guard signal receiving,
Wherein, described guard signal at least comprises following two kinds of level signal: first class of protection signal comprises the too high signal of the rotating speed of described magneto alternator, described rectifier protection signal, synchronizing voltage lossing signal and higher level's control system failure signal; Second class protection signal comprises that cooling water pressure crosses low signal, the too high signal of coolant water temperature, dynamo bearing excess Temperature signal and the too high signal of winding temperature;
This system also comprises short-circuit protection circuit, and it is arranged on the input of described rectifier, and described short-circuit protection circuit is protected described rectifier according to described rectifier protection signal.
6. system according to claim 1, is characterized in that,
Described magneto alternator is the six mutually double-Y shaped magneto alternators that move 30 ° of winding constructions.
7. system according to claim 1, is characterized in that,
Described prime mover is diesel engine or gas turbine.
8. according to the system described in any one in claim 1～7, it is characterized in that,
Described rectifier is the device being composed in parallel by two groups of three-phase full-controlled rectifier bridges.
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| CN201410225361.6A CN104038121B (en) | 2014-05-26 | 2014-05-26 | Magneto alternator commutation system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442198A (en) * | 2008-10-14 | 2009-05-27 | 中国南方电网有限责任公司电网技术研究中心 | Ice-melting mode and apparatus for mobile DC power supply |
| CN201312265Y (en) * | 2008-10-21 | 2009-09-16 | 烟台鲁宝钢管有限责任公司 | Silicon-controlled rectifying device |
| CN102422101A (en) * | 2009-03-10 | 2012-04-18 | 热之王公司 | Systems and methods of powering a refrigeration unit of a hybrid vehicle |
| CN103078397A (en) * | 2013-02-05 | 2013-05-01 | 张建伟 | Shore-ship power supply method |
| CN103269120A (en) * | 2013-05-16 | 2013-08-28 | 中国船舶重工集团公司第七一二研究所 | Electric propulsion power supply system for pleasure-boat |
| CN103708015A (en) * | 2013-12-18 | 2014-04-09 | 上海海事大学 | Double-diesel generating set and lithium battery hybrid power ship structure and control method |
-
2014
- 2014-05-26 CN CN201410225361.6A patent/CN104038121B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442198A (en) * | 2008-10-14 | 2009-05-27 | 中国南方电网有限责任公司电网技术研究中心 | Ice-melting mode and apparatus for mobile DC power supply |
| CN201312265Y (en) * | 2008-10-21 | 2009-09-16 | 烟台鲁宝钢管有限责任公司 | Silicon-controlled rectifying device |
| CN102422101A (en) * | 2009-03-10 | 2012-04-18 | 热之王公司 | Systems and methods of powering a refrigeration unit of a hybrid vehicle |
| CN103078397A (en) * | 2013-02-05 | 2013-05-01 | 张建伟 | Shore-ship power supply method |
| CN103269120A (en) * | 2013-05-16 | 2013-08-28 | 中国船舶重工集团公司第七一二研究所 | Electric propulsion power supply system for pleasure-boat |
| CN103708015A (en) * | 2013-12-18 | 2014-04-09 | 上海海事大学 | Double-diesel generating set and lithium battery hybrid power ship structure and control method |
Non-Patent Citations (1)
| Title |
|---|
| 张敏敏等: "一种混合动力电动船舶能源管理系统的设计", 《中国水运》 * |
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