CN104038121B - Magneto alternator commutation system - Google Patents
Magneto alternator commutation system Download PDFInfo
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- CN104038121B CN104038121B CN201410225361.6A CN201410225361A CN104038121B CN 104038121 B CN104038121 B CN 104038121B CN 201410225361 A CN201410225361 A CN 201410225361A CN 104038121 B CN104038121 B CN 104038121B
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Abstract
The invention discloses a kind of magneto alternator commutation system, this system includes: prime mover；Magneto alternator, it is connected with described prime mover；Commutator, it is connected with described magneto alternator by chopper；Shore electric power, it is connected with described commutator by adapter；Field controller, it is connected between described magneto alternator and described commutator, wherein, by disconnecting described chopper or described adapter, and realizes the input of two kinds of alternating current power supplys under the control of described field controller.The present invention proposes a kind of magneto alternator commutation system being applicable to boats and ships, this system can realize the input pattern of the alternating current power supply of magneto alternator, shore electric power both difference voltage, frequency, and, this system can carry out the automatic detection of the input voltage of system rectifier input, frequency, and then obtains the output of desired DC voltage and electric current.
Description
Technical field
The present invention relates to electric and electronic technical field, particularly relate to a kind of magneto alternator commutation system.
Background technology
The rectifier power source of permanent-magnet synchronous generating at present is compared with traditional electrical excitation generating rectifier power source, owing to electromotor eliminates electricity
Exciting Windings for Transverse Differential Protection, eliminates the collector ring and brush easily broken down, and uses heterogeneous Multiple coil magneto alternator simultaneously, because of
And can effectively eliminate fundamental current produce five, seven inferior higher hamonic wave magnetic potentials and five, the seventh harmonic electric current produce first-harmonic
Magnetic potential, reduces added losses, reduces stator winding and magnetic vibration unshakable in one's determination.And, heterogeneous Multiple coil magneto alternator
More can reduce the ripple factor of rectified output current.
Boats and ships magneto alternator commutation system generally use with electromotor come output AC electricity, with chopper connect can not
The form of control rectifier bridge, obtains the constant DC voltage of expectation and electric current.But, the alternating current input power supplying of which is single,
And system complex, equipment take up room greatly, modularity, integration degree are low, thus affect the effective of boats and ships overall space
Utilize, therefore in application, there is certain limitation.
Therefore, need offer a solution badly to solve the problems referred to above, it is achieved the alternating current input power supplying of various ways, reduce
Equipment area occupied is one of problem of being endeavoured of industry.
Summary of the invention
One of the technical problem to be solved is to need to provide a kind of magneto alternator commutation system, this system energy
Enough realize the alternating current input power supplying of various ways, reduce equipment area occupied.
In order to solve above-mentioned technical problem, the invention provides a kind of magneto alternator commutation system, this system includes:
Prime mover；Magneto alternator, it is connected with described prime mover；Commutator, it is by chopper and described permanent-magnet synchronous
Electromotor connects；Shore electric power, it is connected with described commutator by adapter；Field controller, its be connected to described in forever
Between magnetic-synchro electromotor and described commutator, wherein, by disconnecting described chopper or described adapter, and described existing
The input of two kinds of alternating current power supplys is realized under the control of field controller.
In one embodiment, under the first mode disconnecting described chopper, described field controller gathers described bank electricity electricity
The alternating voltage in source and frequency, calculate phase shift according to the setting output voltage of described commutator, described alternating voltage and frequency
Controlled quentity controlled variable, and be modulated described phase shifting control amount obtaining triggering pulse to be sent to described commutator；Described field control
Device detects the DC voltage of the outfan of described commutator in real time, by being entered with described setting output voltage by described DC voltage
Row compares, and adjusts the phase shifting control amount of described commutator.
In one embodiment, under the second pattern disconnecting described adapter, the described field controller described permanent magnetism of sampling is same
The tach signal of step electromotor, according to described tach signal and the corresponding relation of the output voltage of described magneto alternator,
Primary Calculation obtains input voltage and the frequency of described commutator；The input of commutator described in described field controller synchronous acquisition
The synchronizing voltage of end and frequency；Described field controller is by input voltage primary Calculation obtained and frequency and Tong Bu electricity
Pressure and frequency compare final input voltage and the frequency obtaining described commutator；Described field controller is according to described whole
Set output voltage, final input voltage and the frequency of stream device calculate phase shifting control amount, and carry out described phase shifting control amount
Modulation obtains triggering pulse to be sent to described commutator；Described field controller detects the outfan of described commutator in real time
DC voltage, by being compared with described setting output voltage by described DC voltage, adjusts the generating of described permanent-magnet synchronous
The rotating speed of machine, and then regulate the phase shifting control amount of described commutator.
In one embodiment, system also includes: cooling system, its with described magneto alternator, described commutator and
Described field controller connects, and described cooling system is for dispelling the heat cold to described magneto alternator and described commutator
But, and by the signal of self described field controller is fed back to.
In one embodiment, described field controller detects described magneto alternator, described commutator and described cooling
The protection signal of system；The described protection signal that receives is sent to outside upper by described field controller according to priority level
Level control system, wherein, described protection signal at least includes following two level signal: first class of protection signal include described in forever
The too high signal of rotating speed of magnetic-synchro electromotor, described rectifier protection signal, synchronizing voltage lossing signal and higher level's control system
Failure signal；Second class protection signal includes that cooling water pressure crosses low signal, the too high signal of coolant water temperature, dynamo bearing temperature mistake
High signal and the too high signal of winding temperature；This system also includes short-circuit protection circuit, and it is arranged on the input of described commutator,
Described commutator is protected by described short-circuit protection circuit according to described rectifier protection signal.
In one embodiment, described magneto alternator is the permanent-magnet synchronous generating of six mutually double-Y shaped 30 ° of winding constructions of shifting
Machine.
In one embodiment, described prime mover is diesel engine or gas turbine.
In one embodiment, described commutator is the device composed in parallel by two groups of three-phase full-controlled rectifier bridges.
Compared with prior art, one or more embodiments of the invention can have the advantage that
The present invention proposes a kind of magneto alternator commutation system being applicable to boats and ships, and this system can realize permanent-magnet synchronous
Electromotor, shore electric power both difference voltage, the input pattern of alternating current power supply of frequency, and, this system can be carried out
The input voltage of system rectifier input, the automatic detection of frequency, and then obtain the output of desired DC voltage and electric current.
Other features and advantages of the present invention will illustrate in the following description, and, partly become aobvious from description
And be clear to, or understand by implementing the present invention.The purpose of the present invention and other advantages can be by wanting in description, right
The structure asking specifically noted in book and accompanying drawing realizes and obtains.
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, with embodiments of the invention
It is provided commonly for explaining the present invention, is not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of magneto alternator commutation system according to embodiments of the present invention；
Fig. 2 is the structural representation of field controller in the generating commutation system of permanent-magnet synchronous shown in Fig. 1.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is made the most detailed
Describe in detail bright.
Fig. 1 is the structural representation of magneto alternator commutation system according to embodiments of the present invention.Below with reference to Fig. 1
Describe each composition 26S Proteasome Structure and Function of this system in detail.
As it is shown in figure 1, this system specifically includes that prime mover 10, magneto alternator (abbreviation electromotor) 11, bank
Electricity alternating current power supply (abbreviation shore electric power) 12, commutator 13 and field controller 14.Prime mover 10 preferably employs diesel oil
Machine or gas turbine.Electromotor 11 is connected with prime mover 10 by high speed coupling spindle, and this electromotor 11 preferably employs six phases
The magneto alternator of double-Y shaped 30 ° of winding constructions of shifting, and frequency is 322.5Hz.Commutator 13 is via chopper 16
Being connected with electromotor 11 by cable, this commutator 13 uses two groups of three-phase full-controlled rectifier bridge parallel-connection structures.It addition, rectification
Device 13 also includes current sensor BC1, BC2 of corresponding often group three-phase full-controlled rectifier bridge setting and is arranged on outfan
Voltage sensor BV.Bank electricity alternating current power supply 12 is connected with commutator 13 by adapter, it is preferable that this adapter is collection
Become the fast connecting joint of commutator 13, be capable of fast insert-pull to disconnect bank electricity alternating current power supply 12 by this joint
With the connection of commutator 13, this bank electricity alternating current power supply 12 uses electrical network electrical source of power, and frequency is 50Hz.Field controller
14 are connected with electromotor 11 and commutator 13, and this field controller 14 is integrated terminal controller.In the present embodiment,
Can pass through cut-off breaker 16 or adapter, and under the control of controller 14 at the scene, realize the input of two kinds of alternating current power supplys.
It addition, this system also includes cooling system 15, cooling system 15 and electromotor 11, commutator 13 and field control
Device 14, cooling system 15 can be the pure water cooling system that boats and ships carry.Cooling system 15 is for electromotor 11 and whole
Stream device 13 carries out cooling, and by devices such as such as temperature/pressure sensor, the signal of self is fed back to field control
Device 14.
From the above it can be seen that the embodiment of the present invention by by electromotor 11 and shore electric power 12 respectively with commutator
13 connect, and by the control of field controller 14, it is possible to realize the dual power supply pattern about commutator 13.
Fig. 2 is the structural representation of field controller in the generating commutation system of permanent-magnet synchronous shown in Fig. 1.Below with reference to Fig. 2
Each composition 26S Proteasome Structure and Function of field controller 14 is described.
As in figure 2 it is shown, this field controller 14 specifically include that CPU element 140 and respectively with CPU element 140
The gray code signal collecting unit 141 of connection, digital quantity input block 142, A/D processing unit 143, digital output
Unit 144 and pulse output unit 145.This field controller 14 also includes being connected with A/D processing unit 143 respectively
CAN communication unit 146, temperature detecting unit 147, analog acquisition unit 148 and voltage, frequency self-test unit 149.
Wherein, gray code signal collecting unit 141 gathers and is obtained by external generator gyrator channel absolute value encoder coding
The tach signal of electromotor 11.Digital quantity input block 142 receives rectifier protection signal.CAN communication unit 146 connects
The signal of the higher level's control system outside Shouing.Temperature detecting unit 147 detects the bearing of electromotor 11 and the temperature of winding.
Analog acquisition unit 148 gather the hydraulic pressure of cooling system 15 and the current sensor BC1 of temperature and commutator 13,
DC current that BC2 is detected and the DC voltage of voltage sensor BV detection.Voltage, frequency self-test unit 149 are used for
The synchronizing voltage of synchronous acquisition electromotor 11 outfan and frequency (can be understood as commutator 13 input synchronizing voltage and
Frequency).A/D processing unit 143 for by receive from CAN communication unit 146, temperature detecting unit 147,
The analogue signal of analog acquisition unit 148 and voltage, frequency self-test unit 149 is converted into digital signal and is sent to CPU
Unit 140.
It addition, above-mentioned gray code signal collecting unit 141, digital quantity input block 142, CAN communication unit 146,
Temperature detecting unit 147, analog acquisition unit 148 and voltage, frequency self-test unit 149 are sent out as detection permanent-magnet synchronous
The protection signal supervisory instrument of the protection signal of motor 11, commutator 13 and cooling system 15.
The protection signal received is uploaded in higher level's control system of outside by CPU element 140 according to priority level, real
Existing magneto alternator 11 and the coordinating protection of commutator 13.Wherein, protection signal at least includes that following two rank is believed
Number: first class of protection signal (priority is the highest) includes the too high signal of generator amature rotating speed, rectifier protection signal, higher level
Control system failure signal and synchronizing voltage lossing signal；Two grades of input signals (priority is taken second place) include that cooling water pressure is too low
The too high signal of signal, coolant water temperature, the too high signal of dynamo bearing temperature and the too high signal of winding temperature.And then, this system
Also including short-circuit protection circuit, this short-circuit protection circuit is integrated in the input of commutator 13, and it is according to digital output list
Commutator 13 is protected by the rectifier protection signal of unit 144 output.
It addition, this field controller 14 also includes standby communication unit, as illustrated in the drawing 485 communication unit.This scene
Controller 14 also includes power supply processing unit, for processing outside control power supply.
It is how to control different direct current output the following detailed description of this system in different modes.
In the flrst mode, i.e. under the pattern that shore electric power 12 and commutator 13 are operated together, will generate electricity with permanent-magnet synchronous
The chopper 16 that machine 11 is connected disconnects.
Field controller 14 gathers alternating voltage and the frequency of shore electric power 12.CPU element in field controller 14
140 calculate phase shifting control amount according to set output voltage, the alternating voltage of collection and the cymometer of commutator 13, and to shifting
Phase control amount is modulated obtaining triggering pulse, and this setting output voltage can be set by outside higher level's control system.Pulse
Output unit 145 exports triggering pulse in the silicon stack rectifier cell (high speed thyristor unit) of commutator 13.At this
During, analog acquisition unit 148 gathers current sensor BC1, BC2 and the voltage sensor BV of commutator 13
The DC current detected and DC voltage, the DC voltage detected and DC current are converted into number by A/D processor 143
Word amount, CPU element 140 will convert after DC voltage with set output voltage be compared to regulate commutator 13 shifting
Phase control amount, and then keep stablizing of output voltage.CPU element 140 is also by the setting that correspondence sets output voltage
Output electric current compares with two branch road DC currents of the commutator 13 detected, it is achieved the electric current of two branch roads is fine
Control, regulation output dc power.
Further, in the first mode, the protection that the CPU element 140 of field controller 14 will receive according to priority level
Signal classification uploads in higher level's control system, it is achieved magneto alternator 11 and the coordinating protection of commutator 13.
Under the second mode, i.e. under the pattern that prime mover 10, magneto alternator 11 and commutator 13 are operated together,
Pull out the fast connecting joint between shore electric power 12 and commutator 13 to disconnect cable therebetween.Field controller
The gray code signal collecting unit 141 of 14 gathers and is encoded, by external generator gyrator channel absolute value encoder, the generating obtained
The tach signal of machine 11, between the CPU element 140 output voltage according to tach signal and magneto alternator 11
Corresponding relation, primary Calculation draws input voltage and the frequency of commutator 13 input.Voltage, frequency self-test unit 149
The synchronizing voltage of the input of synchronous acquisition commutator 13 and frequency.CPU element 140 is defeated by primary Calculation obtained
Enter synchronizing voltage that voltage and frequency obtain with synchronized sampling and frequency compares the final input electricity obtaining commutator 13
Pressure and frequency.
CPU element 140 calculates phase shift control according to set output voltage, final input voltage and the cymometer of commutator 13
Amount processed, and be modulated phase shifting control amount obtaining triggering pulse, this setting output voltage can be by outside higher level's control system
Set.Pulse-triggered is exported in the silicon stack rectifier cell of commutator 13 by pulse output unit 145.And, simulation
The direct current that amount collecting unit 148 gathers current sensor BC1, BC2 of commutator 13 and voltage sensor BV detects
Electric current and DC voltage, the DC voltage collected and DC current are converted into digital quantity, CPU by A/D processing unit 143
DC voltage after conversion is compared to adjust electromotor 11 rotating speed and then regulate whole by unit 140 with setting output voltage
The phase shifting control amount of stream device 13, keeps stablizing of output voltage.Correspondence is also set setting of output voltage by CPU element 140
The DC current determining electric current and two branch roads compares, it is achieved finely control the electric current of two branch roads, regulation output
Dc power.
Further, in this mode, the protection signal that field controller 14CPU unit 140 will receive according to priority level
Classification uploads in higher level's control system, it is achieved magneto alternator 11 and the coordinating protection of commutator 13.
In sum, the embodiment of the present invention proposes a kind of magneto alternator commutation system, and this system both can apply permanent magnetism same
Step electromotor, can apply again shore electric power.And, this system has the adaptation function of different frequency alternating current power supply input,
The commutating voltage of output, electric current range of accommodation width, it is possible to the phase shifting control amount in Width funtion, wide frequency ranges of realizing calculate and
Trigger impulse modulation.Further, since the control of system, protected location are integrated in field controller, therefore this system possesses
Space is little, modularity and integrated high feature.
The above, only the present invention be embodied as case, protection scope of the present invention is not limited thereto, any be familiar with
Those skilled in the art in technical specification of the present invention, modifications of the present invention or replacement, all should be the present invention's
Within protection domain.
Claims (7)
1. a magneto alternator commutation system, this system includes:
Prime mover；
Magneto alternator, it is connected with described prime mover；
Commutator, it is connected with described magneto alternator by chopper；
Shore electric power, it is connected with described commutator by adapter；
Field controller, it is connected between described magneto alternator and described commutator,
Wherein, by disconnecting described chopper or described adapter, and under the control of described field controller, two kinds of friendships are realized
The input of stream power supply,
Under the second pattern disconnecting described adapter,
The tach signal of the described field controller described magneto alternator of sampling, according to described tach signal and described permanent magnetism
The corresponding relation of the output voltage of synchronous generator, primary Calculation obtains input voltage and the frequency of described commutator；
The synchronizing voltage of the input of commutator described in described field controller synchronous acquisition and frequency；
Described field controller is compared with synchronizing voltage and frequency by input voltage primary Calculation obtained and frequency
Obtain final input voltage and the frequency of described commutator；
Described field controller calculates phase shift control according to set output voltage, final input voltage and the frequency of described commutator
Amount processed, and be modulated described phase shifting control amount obtaining triggering pulse to be sent to described commutator；
Described field controller detects the DC voltage of the outfan of described commutator in real time, by by described DC voltage and institute
State setting output voltage to compare, adjust the rotating speed of described magneto alternator, and then regulate the shifting of described commutator
Phase control amount.
System the most according to claim 1, it is characterised in that
Under the first mode disconnecting described chopper,
Described field controller gathers alternating voltage and the frequency of described shore electric power, exports electricity according to the setting of described commutator
Pressure, described alternating voltage and frequency calculate phase shifting control amount, and are modulated described phase shifting control amount obtaining triggering pulse
To be sent to described commutator；
Described field controller detects the DC voltage of the outfan of described commutator in real time, by by described DC voltage and institute
State setting output voltage to compare, adjust the phase shifting control amount of described commutator.
System the most according to claim 1, it is characterised in that also include:
Cooling system, it is connected with described magneto alternator, described commutator and described field controller, described cooling
System for carrying out cooling to described magneto alternator and described commutator, and is fed back to by the signal of self described
Field controller.
System the most according to claim 3, it is characterised in that
Described field controller detects described magneto alternator, described commutator and the protection signal of described cooling system；
The described protection signal received is sent to outside higher level's control system by described field controller according to priority level,
Wherein, described protection signal at least includes following two level signal: first class of protection signal includes that described permanent-magnet synchronous is sent out
The too high signal of rotating speed of motor, described rectifier protection signal, synchronizing voltage lossing signal and higher level's control system failure signal；
Second class protection signal include cooling water pressure cross low signal, the too high signal of coolant water temperature, the too high signal of dynamo bearing temperature and around
The group too high signal of temperature；
This magneto alternator commutation system also includes short-circuit protection circuit, and it is arranged on the input of described commutator, institute
State short-circuit protection circuit according to described rectifier protection signal, described commutator to be protected.
System the most according to claim 1, it is characterised in that
Described magneto alternator is the magneto alternator of six mutually double-Y shaped 30 ° of winding constructions of shifting.
System the most according to claim 1, it is characterised in that
Described prime mover is diesel engine or gas turbine.
7. according to the system according to any one of claim 1～6, it is characterised in that
Described commutator is the device composed in parallel by two groups of three-phase full-controlled rectifier bridges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410225361.6A CN104038121B (en) | 2014-05-26 | 2014-05-26 | Magneto alternator commutation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410225361.6A CN104038121B (en) | 2014-05-26 | 2014-05-26 | Magneto alternator commutation system |
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| CN104038121A CN104038121A (en) | 2014-09-10 |
| CN104038121B true CN104038121B (en) | 2016-08-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101442198B (en) * | 2008-10-14 | 2013-10-23 | 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 |
| WO2010104960A1 (en) * | 2009-03-10 | 2010-09-16 | Thermo King Corporation | Systems and methods of powering a refrigeration unit of a hybrid vehicle |
| CN103078397B (en) * | 2013-02-05 | 2015-10-21 | 张建伟 | Bank ship method of supplying power to |
| 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 |
| CN103708015B (en) * | 2013-12-18 | 2016-06-08 | 上海海事大学 | A kind of double; two diesel generating set and lithium battery hybrid power boats and ships structure and control method |
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