CN106982013A - The brushless dual-feed motor arrangements for speed regulation and its control method of high reliability - Google Patents
The brushless dual-feed motor arrangements for speed regulation and its control method of high reliability Download PDFInfo
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- CN106982013A CN106982013A CN201710355499.1A CN201710355499A CN106982013A CN 106982013 A CN106982013 A CN 106982013A CN 201710355499 A CN201710355499 A CN 201710355499A CN 106982013 A CN106982013 A CN 106982013A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/005—Arrangements for controlling doubly fed motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/06—Controlling the motor in four quadrants
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
- H02P6/085—Arrangements for controlling the speed or torque of a single motor in a bridge configuration
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- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The brushless dual-feed motor arrangements for speed regulation for the high reliability that the present invention is provided, including first and second three-phase alternating-current supply, first and second full-control type current transformer, three pole reactor, dc-link capacitance and brushless dual-feed motor and the mechanical load being connected with the brushless dual-feed motor rotating shaft, and uncontrollable current transformer, seven three-phase alternating-current switchs and three dc switch.Present invention also offers the control method of the arrangements for speed regulation.The brushless dual-feed motor arrangements for speed regulation of high reliability of the present invention and its advantage of control method are：Due to being provided with five three-phase alternating-current switchs, three dc switch and three full-control type current transformers, when any current transformer breaks down, complete speed-adjusting and control system is made up of another two current transformer, realize in supersynchronous and metasynchronism state normal operation, improve and ensure that the high reliability of brushless dual-feed motor operation.The governing system also has cost advantage, contributes to brushless dual-feed motor governing system in the application in mesohigh AC speed regulating field.
Description
Technical field
The present invention relates to motor speed regulation system field, and in particular to a kind of brushless dual-feed motor arrangements for speed regulation of high reliability
And its control method.
Background technology
Because the maintenance issues of brush and slip ring are not present in brushless dual-feed motor so that its working life is more than supporting with it
Three-phase fully-controlled type PWM converter long working life.But, once a certain power device breaks down in current transformer, system must
So occur sudden shutdown, huge economic loss will be caused, be difficult to realize the high reliability operation of governing system.In order to solve
This problem, patent document ZL 201410382239.X (the redundancy-type four-quadrant brushless dual-feed motor speed governing systems that can be taken over seamlessly
System) redundancy-type four-quadrant brushless dual-feed motor governing system is constituted using 4 Three-Phase PWM Rectifiers, it is relative to improve reliability,
But having significant increase in cost, this is unfavorable for promoting brushless dual-feed motor governing system in mesohigh AC speed regulating field
Application.The patent document ZL 201510808905.6 redundancy-type brushless dual-feed motor governing system of flexible operation (can) passes through
Using three-phase fully-controlled type PWM converter, three-phase can not control rectifier, alternating-current switch and dc switch constitute there is redundancy structure
Converter plant, when solving three-phase fully-controlled type PWM the first full-control type current transformers or the damage of the second full-control type current transformer, motor is sub-
The problem of synchronous variable-speed, but can not realize that three-phase fully-controlled type PWM the first full-control type current transformers or the second full-control type current transformer are damaged
When, the problem of motor supersynchronous operation.
The content of the invention
In view of the defect of above-mentioned prior art, there is three full-control type current transformers it is an object of the invention to provide a kind of
Brushless dual-feed motor arrangements for speed regulation and its method, when any current transformer breaks down, can be made up of another two current transformer
Whole speed-adjusting and control system, realizes in supersynchronous and metasynchronism state normal operation, further improves and ensure brushless double feed
The reliability of motor operation.Meanwhile, the governing system is also beneficial to brushless dual-feed motor governing system in mesohigh with cost advantage
The application in AC speed regulating field.
For up to above-mentioned purpose, a kind of brushless dual-feed motor arrangements for speed regulation of high reliability of the invention, including the one or three is intersecting
Flow power supply, the second three-phase alternating-current supply, the first full-control type current transformer, the second full-control type current transformer and brushless dual-feed motor and with this
The connected mechanical load of brushless dual-feed motor rotating shaft, in addition to seven three-phase alternating-current switchs, three dc switch and uncontrollable change
Device is flowed, wherein：The power winding of first three-phase alternating-current supply, the first three-phase alternating-current switch and brushless dual-feed motor divides successively
Be in series connection, the AC of second three-phase alternating-current supply, the second three-phase alternating-current switch and the first full-control type current transformer according to
Secondary split-phase is connected in series, the AC of second three-phase alternating-current supply, the 3rd three-phase alternating-current switch and uncontrollable current transformer 5 according to
Secondary split-phase is connected in series, second three-phase alternating-current supply, the 3rd three-phase alternating-current switch, the 4th three-phase alternating-current switch with it is brushless double
Split-phase is connected in series the controling winding of generating aid successively, and second three-phase alternating-current supply divides successively with the 7th three-phase alternating-current switch
Be in series connection and split-phase is connected in parallel successively with the AC of the second full-control type current transformer, the first full-control type current transformer
Split-phase is connected in series the controling winding of AC, the 6th three-phase alternating-current switch and brushless dual-feed motor successively, the described first full control
The DC side high voltage end of type current transformer, the first dc switch, the DC side of the second dc switch and the second full-control type current transformer
High voltage end is sequentially connected in series, AC, the 5th three-phase alternating-current switch and the brushless double feed of the second full-control type current transformer
Split-phase is connected in series the controling winding of motor successively, the DC side high voltage end and the 3rd dc switch of the uncontrollable current transformer
It is connected in series and is connected with the series connection node of the first dc switch and the second dc switch, two full-control type current transformers and uncontrollable
Each DC side low-voltage end of current transformer is connected to reference ground line end.
The brushless dual-feed motor arrangements for speed regulation of high reliability of the present invention, in addition to three pole reactor and dc-link capacitance, its
Described in three pole reactor split-phase is connected to the second three-phase alternating-current supply and opened with the second three-phase alternating-current switch, the 3rd three-phase alternating current successively
Close between the public input of three three-phase alternating-current switchs of the 7th three-phase alternating-current switch, the dc-link capacitance is connected to the
Between one dc switch and the series connection node and reference ground line end of the second dc switch.
The brushless dual-feed motor arrangements for speed regulation of high reliability of the present invention, wherein first three-phase alternating-current supply and the two or three
Cross streams power supply is identical three-phase alternating-current supply.
The brushless dual-feed motor arrangements for speed regulation of high reliability of the present invention, wherein first three-phase alternating-current supply and the two or three
Cross streams power supply is the three-phase alternating-current supply differed.
For up to above-mentioned purpose, the invention provides a kind of controlling party of the brushless dual-feed motor arrangements for speed regulation of high reliability
Method, this method includes：
1) when governing system operates in four-quadrant state, first disconnect the 3rd three-phase alternating-current switch, the 4th three-phase alternating current and open
Pass, the 5th three-phase alternating-current switch, the 7th three-phase alternating-current switch and the 3rd dc switch, are closed again the first three-phase alternating-current switch,
Two three-phase alternating-current switchs, the 6th three-phase alternating-current switch, the second dc switch and the first dc switch, by the three pole reactor,
One full-control type current transformer, dc-link capacitance and the second full-control type current transformer constitute the converter system of brushless dual-feed motor；
2) when the first full-control type current transformer breaks down and motor works in supersynchronous state, first disconnect the two or three and intersect
Switch, the 4th three-phase alternating-current switch, the 5th three-phase alternating-current switch, the 7th three-phase alternating-current switch and the first dc switch are flowed, then is closed
The first three-phase alternating-current switch, the 3rd three-phase alternating-current switch, the 6th three-phase alternating-current switch, the 3rd dc switch and the second direct current is closed to open
Close, brushless dual-feed motor is constituted by the three pole reactor, uncontrollable current transformer, dc-link capacitance and the second full-control type current transformer
Converter system；
3) when the second full-control type current transformer breaks down and motor works in metasynchronism state, first disconnect the two or three and intersect
Switch, the 3rd three-phase alternating-current switch, the 5th three-phase alternating-current switch, the 6th three-phase alternating-current switch and the first dc switch are flowed, then is closed
The first three-phase alternating-current switch, the 3rd three-phase alternating-current switch, the 6th three-phase alternating-current switch, the 3rd dc switch and the second direct current is closed to open
Close, brushless dual-feed motor is constituted by the three pole reactor, uncontrollable current transformer, dc-link capacitance and the second full-control type current transformer
Converter system.
4) when the first full-control type current transformer breaks down and when motor works in metasynchronism state, the second three-phase is first disconnected
Alternating-current switch, the 3rd three-phase alternating-current switch, the 5th three-phase alternating-current switch, the 6th three-phase alternating-current switch and the first dc switch, then
Close the first three-phase alternating-current switch, the 4th three-phase alternating-current switch, the 7th three-phase alternating-current switch, the 3rd dc switch and the second direct current
Switch, is formed the current transformer of brushless dual-feed motor by the three pole reactor, uncontrollable current transformer, dc-link capacitance and current transformer
System.
5) when the second full-control type current transformer breaks down and when motor works in supersynchronous state, the second three-phase is first disconnected
Alternating-current switch, the 4th three-phase alternating-current switch, the 6th three-phase alternating-current switch, the 7th three-phase alternating-current switch and the second dc switch, then
Close that the first three-phase alternating-current switch, the second three-phase alternating-current switch, the 5th three-phase alternating current are opened, the 3rd dc switch and the first direct current are opened
Close, brushless dual-feed motor is formed by the three pole reactor, uncontrollable current transformer, dc-link capacitance and the second full-control type current transformer
Converter system.
6) when the second full-control type current transformer breaks down and when motor works in metasynchronism state, the 3rd three-phase is first disconnected
Alternating-current switch, the 5th three-phase alternating-current switch, the 6th three-phase alternating-current switch, the 7th three-phase alternating-current switch and the second dc switch, then
Close the first three-phase alternating-current switch, the second three-phase alternating-current switch, the 4th three-phase alternating-current switch, the 3rd dc switch and the first direct current
Switch, forms brushless double-fed by the three pole reactor, uncontrollable current transformer, dc-link capacitance and the second full-control type current transformer
The converter system of machine.
The brushless dual-feed motor arrangements for speed regulation of high reliability of the present invention and its advantage and good effect of control method are：By
In being provided with seven three-phase alternating-current switchs, three dc switch, two full-control type current transformers and a uncontrollable current transformer, composition
Brushless dual-feed motor governing system during any current transformer failure, realizes governing system supersynchronous in three current transformers
With the normal operation of metasynchronism state, the high reliability of brushless dual-feed motor operation is further improved and ensure that.Meanwhile, the tune
Speed system also has cost advantage, contributes to brushless dual-feed motor governing system in the application in mesohigh AC speed regulating field.
Brief description of the drawings
Fig. 1 is the circuit structure diagram of the brushless dual-feed motor arrangements for speed regulation of high reliability of the present invention.
Embodiment
To make the purpose of the present invention, technical scheme and effect clearer, clear and definite, with reference to referring to the drawings to the present invention
The brushless dual-feed motor arrangements for speed regulation of high reliability of the present invention and its embodiment of control method is further described.It should manage
Solution, specific embodiment described herein only to explain the present invention, is not intended to limit the present invention.
Reference picture 1, the brushless dual-feed motor arrangements for speed regulation of high reliability of the present invention, including the first three-phase alternating-current supply 1,
Two three-phase alternating-current supplies 2, the first full-control type current transformer 3, the second full-control type current transformer 4, three pole reactor L1, dc-link capacitance C
The mechanical load being connected with brushless dual-feed motor 7 and with the brushless dual-feed motor rotating shaft, in addition to seven three-phase alternating-current switch K1-
K7, three dc switch K8-K10 and uncontrollable current transformer 5, wherein：
The power winding of first three-phase alternating-current supply 1, the first three-phase alternating-current switch K1 and brushless dual-feed motor split-phase successively
It is connected in series.The AC of second three-phase alternating-current supply 2, the second three-phase alternating-current switch K2 and the first full-control type current transformer 3 is successively
Split-phase is connected in series.The AC of second three-phase alternating-current supply 2, the 3rd three-phase alternating-current switch K3 and uncontrollable current transformer 5 is successively
Split-phase is connected in series.Second three-phase alternating-current supply 2, the 3rd three-phase alternating-current switch K3, the 4th three-phase alternating-current switch K4 with it is brushless double
Split-phase is connected in series the controling winding of generating aid successively.Second three-phase alternating-current supply 2 divides successively with the 7th three-phase alternating-current switch K7
Be in series connection and split-phase is connected in parallel successively with the AC of the second full-control type current transformer 4.The friendship of first full-control type current transformer 3
Split-phase is connected in series the controling winding of stream side, the 6th three-phase alternating-current switch K6 and brushless dual-feed motor successively.First full-control type becomes
Flow the direct current of DC side high voltage end, the first dc switch K10, the second dc switch K9 and the second full-control type current transformer 4 of device 3
Side high voltage end is sequentially connected in series, AC, the 5th three-phase alternating-current switch K5 and the brushless double feed of the second full-control type current transformer 4
Split-phase is connected in series the controling winding of motor successively.The DC side high voltage end and the 3rd dc switch K8 of uncontrollable current transformer 5
It is connected in series and is connected with the first dc switch K10 and the second dc switch K9 series connection node, two full-control type current transformers 3,4
Reference ground line end is connected to each DC side low-voltage end of uncontrollable current transformer 5.
Split-phase is connected to the second three-phase alternating-current supply 2 and the second three-phase alternating-current switch K2, the three or three to three pole reactor L1 successively
Between the public input of tri- three-phase alternating-current switchs of phase alternating-current switch K3 and the 7th three-phase alternating-current switch K7, dc-link capacitance
C is connected between the first dc switch K10 and the second dc switch K9 series connection node and reference ground line end.
In the different embodiment of the brushless dual-feed motor arrangements for speed regulation of high reliability of the present invention, the first three-phase alternating-current supply
1 and second three-phase alternating-current supply 2 can be identical three-phase alternating-current supply, or the three-phase alternating-current supply differed.
The brushless dual-feed motor arrangements for speed regulation of high reliability of the present invention, the control method of use includes：
1) when governing system operates in four-quadrant state, the 3rd three-phase alternating-current switch K3, the 4th three-phase alternating current are first disconnected
K4, the 5th three-phase alternating-current switch K5, the 7th three-phase alternating-current switch K7 and the 3rd dc switch K8 are switched, the one or three is closed again and intersects
Stream switch K1, the second three-phase alternating-current switch K2, the 6th three-phase alternating-current switch K6, the second dc switch K9 and the first dc switch
K10, is made up of brushless double three pole reactor L1, the first full-control type current transformer 3, dc-link capacitance C and the second full-control type current transformer 4
The converter system of generating aid 7；
2) when the first full-control type current transformer 3 breaks down and motor works in supersynchronous state, the second three-phase is first disconnected
Alternating-current switch K2, the 4th three-phase alternating-current switch K4, the 5th three-phase alternating-current switch K5, the 7th three-phase alternating-current switch K7 and the first direct current
K10 is switched, the first three-phase alternating-current switch K1 is closed again, the 3rd three-phase alternating-current switch K3, the 6th three-phase alternating-current switch K6, the 3rd straight
Stream switch K8 and the second dc switch K9, by three pole reactor L1, uncontrollable current transformer 5, dc-link capacitance C and the second full-control type
Current transformer 4 constitutes the converter system of brushless dual-feed motor 7；
3) when the second full-control type current transformer 4 breaks down and motor works in metasynchronism state, the second three-phase is first disconnected
Alternating-current switch K2, the 3rd three-phase alternating-current switch K3, the 5th three-phase alternating-current switch K5, the 6th three-phase alternating-current switch K6 and the first direct current
K10 is switched, the first three-phase alternating-current switch K1 is closed again, the 3rd three-phase alternating-current switch K3, the 6th three-phase alternating-current switch K6, the 3rd straight
Stream switch K8 and the second dc switch K9, by three pole reactor L1, uncontrollable current transformer 5, dc-link capacitance C and the second full-control type
Current transformer 4 constitutes the converter system of brushless dual-feed motor 7.
4) when the first full-control type current transformer 3 breaks down and when motor works in metasynchronism state, the two or three is first disconnected
Phase alternating-current switch K2, the 3rd three-phase alternating-current switch K3, the 5th three-phase alternating-current switch K5, the 6th three-phase alternating-current switch K6 and first are straight
Stream switch K10, is closed again the first three-phase alternating-current switch K1, the 4th three-phase alternating-current switch K4, the 7th three-phase alternating-current switch K7, the 3rd
Dc switch K8 and the second dc switch K9, is controlled entirely by three pole reactor L1, uncontrollable current transformer 5, dc-link capacitance C and second
The converter system of the formation brushless dual-feed motor of type current transformer 4.
5) when the second full-control type current transformer 4 breaks down and when motor works in supersynchronous state, the two or three is first disconnected
Phase alternating-current switch K2, the 4th three-phase alternating-current switch K4, the 6th three-phase alternating-current switch K6, the 7th three-phase alternating-current switch K7 and second are straight
Stream switch K9, is closed again the first three-phase alternating-current switch K1, the second three-phase alternating-current switch K2, the 5th three-phase alternating-current switch K5, the 3rd
Dc switch K8 and the first dc switch K10 is complete by three pole reactor L1, uncontrollable current transformer 5, dc-link capacitance C and first
The converter system of the formation brushless dual-feed motor of control type current transformer 3.
6) when the second full-control type current transformer 4 breaks down and when motor works in metasynchronism state, the three or three is first disconnected
Phase alternating-current switch K3, the 5th three-phase alternating-current switch K5, the 6th three-phase alternating-current switch K6, the 7th three-phase alternating-current switch K7 and second are straight
Stream switch K9, is closed again the first three-phase alternating-current switch K1, the second three-phase alternating-current switch K2, the 4th three-phase alternating-current switch K4, the 3rd
Dc switch K8 and the first dc switch K10 is complete by three pole reactor L1, uncontrollable current transformer 5, dc-link capacitance C and first
The converter system of the formation brushless dual-feed motor of control type current transformer 3.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the structure of the present invention
Think and scope is defined.On the premise of design concept of the present invention is not departed from, technology of this area ordinary person to the present invention
The all variations and modifications that scheme is made, all should drop into protection scope of the present invention, claimed technology contents of the invention,
All record in detail in the claims.
Claims (5)
1. a kind of brushless dual-feed motor arrangements for speed regulation of high reliability, including the first three-phase alternating-current supply (1), the second three-phase alternating current
Power supply (2), the first full-control type current transformer (3), the second full-control type current transformer (4) and brushless dual-feed motor (7) and brushless double with this
The connected mechanical load of generating aid rotating shaft, it is characterised in that：Also opened including seven three-phase alternating-current switchs (K1-K7), three direct currents
(K8-K10) and uncontrollable current transformer (5) are closed, wherein：First three-phase alternating-current supply (1), the first three-phase alternating-current switch (K1)
Split-phase is connected in series successively with the power winding of the brushless dual-feed motor, second three-phase alternating-current supply (2), the second three-phase
Split-phase is connected in series the AC of alternating-current switch (K2) and the first full-control type current transformer (3) successively, and the described 2nd 3 intersects
Flow power supply (2), split-phase is connected in series the AC of the 3rd three-phase alternating-current switch (K3) and uncontrollable current transformer (5) successively, described
Second three-phase alternating-current supply (2), the 3rd three-phase alternating-current switch (K3), the 4th three-phase alternating-current switch (K4) with it is described brushless double-fed
Split-phase is connected in series the controling winding of machine successively, second three-phase alternating-current supply (2) and the 7th three-phase alternating-current switch (K7) according to
Secondary split-phase is connected in series and split-phase is connected in parallel successively with the AC of the second full-control type current transformer (4), first full-control type
The controling winding of the AC of current transformer (3), the 6th three-phase alternating-current switch (K6) and brushless dual-feed motor successively connect company by split-phase
Connect, DC side high voltage end, the first dc switch (K10), the second dc switch (K9) of the first full-control type current transformer (3)
It is sequentially connected in series with the DC side high voltage end of the second full-control type current transformer (4), the friendship of the second full-control type current transformer (4)
Flow side, split-phase is connected in series the controling winding of the 5th three-phase alternating-current switch (K5) and brushless dual-feed motor successively, described uncontrollable
The DC side high voltage end of current transformer (5) and the 3rd dc switch (K8) be connected in series and with the first dc switch (K10) and
The series connection node of two dc switch (K9) is connected, and two full-control type current transformers (3,4) and uncontrollable current transformer (5) each DC side are low
Voltage end is connected to reference ground line end.
2. the brushless dual-feed motor arrangements for speed regulation of high reliability according to claim 1, it is characterised in that：Also include three-phase
Inductance (L1) and dc-link capacitance (C), wherein split-phase is connected to second three-phase alternating current to the three pole reactor (L1) successively
Power supply (2) and second three-phase alternating-current switch (K2), the 3rd three-phase alternating-current switch (K3) and the 7th three-phase alternating-current switch (K7)
Between the public input of three three-phase alternating-current switchs, the dc-link capacitance (C) be connected to the first dc switch (K10) and
Between the series connection node and reference ground line end of second dc switch (K9).
3. high reliability brushless dual-feed motor arrangements for speed regulation according to claim 2, it is characterised in that：Wherein described first
Three-phase alternating-current supply (1) is identical three-phase alternating-current supply with the second three-phase alternating-current supply (2).
4. high reliability brushless dual-feed motor arrangements for speed regulation according to claim 2, it is characterised in that：Wherein described first
Three-phase alternating-current supply of the three-phase alternating-current supply (1) with the second three-phase alternating-current supply (2) to differ.
5. a kind of control method of high reliability brushless dual-feed motor arrangements for speed regulation described in use claim 1-4, its feature exists
In：This method includes：
1) when governing system operates in four-quadrant state, first disconnect the 3rd three-phase alternating-current switch (K3), the 4th three-phase alternating current and open
(K4), the 5th three-phase alternating-current switch (K5), the 7th three-phase alternating-current switch (K7) and the 3rd dc switch (K8) are closed, first is closed again
Three-phase alternating-current switch (K1), the second three-phase alternating-current switch (K2), the 6th three-phase alternating-current switch (K6), the second dc switch (K9) and
First dc switch (K10), by the three pole reactor (L1), the first full-control type current transformer (3), dc-link capacitance (C) and
Two full-control type current transformers (4) constitute the converter system of brushless dual-feed motor (7)；
2) when the first full-control type current transformer (3) breaks down and motor works in supersynchronous state, first disconnect the two or three and intersect
Stream switch (K2), the 4th three-phase alternating-current switch (K4), the 5th three-phase alternating-current switch (K5), the 7th three-phase alternating-current switch (K7) and the
One dc switch (K10), is closed again the first three-phase alternating-current switch (K1), the 3rd three-phase alternating current and opens (K3), the 6th three-phase alternating current and open
Close (K6), the 3rd dc switch (K8) and the second dc switch (K9), by the three pole reactor (L1), uncontrollable current transformer (5),
Dc-link capacitance (C) and the second full-control type current transformer (4) constitute the converter system of brushless dual-feed motor (7)；
3) when the second full-control type current transformer (4) breaks down and motor works in metasynchronism state, first disconnect the two or three and intersect
Stream switch (K2), the 3rd three-phase alternating-current switch (K3), the 5th three-phase alternating-current switch (K5), the 6th three-phase alternating-current switch (K6) and the
One dc switch (K10), is closed again the first three-phase alternating-current switch (K1), the 3rd three-phase alternating-current switch (K3), the 6th three-phase alternating current
(K6), the 3rd dc switch (K8) and the second dc switch (K9) are switched, by the three pole reactor (L1), uncontrollable current transformer
(5), dc-link capacitance (C) and the second full-control type current transformer (4) constitute the converter system of brushless dual-feed motor (7)；
4) when the first full-control type current transformer (3) breaks down and when motor works in metasynchronism state, the second three-phase is first disconnected
Alternating-current switch (K2), the 3rd three-phase alternating-current switch (K3), the 5th three-phase alternating-current switch (K5), the 6th three-phase alternating-current switch (K6) and
First dc switch (K10), be closed again the first three-phase alternating-current switch (K1), the 4th three-phase alternating-current switch (K4), the seven or three intersect
Stream switch (K7), the 3rd dc switch (K8) and the second dc switch (K9), by the three pole reactor (L1), uncontrollable current transformer
(5), the converter system of dc-link capacitance (C) and the second full-control type current transformer (4) formation brushless dual-feed motor (7).
5) when the second full-control type current transformer (4) breaks down and when motor works in supersynchronous state, the second three-phase is first disconnected
Alternating-current switch (K2), the 4th three-phase alternating-current switch (K4), the 6th three-phase alternating-current switch (K6), the 7th three-phase alternating-current switch (K7) and
Second dc switch (K9), is closed again the first three-phase alternating-current switch (K1), the second three-phase alternating current and opens (K2), the 5th three-phase alternating current and open
(K5), the 3rd dc switch (K8) and the first dc switch (K10) are closed, by the three pole reactor (L1), uncontrollable current transformer
(5), the converter system of dc-link capacitance (C) and the first full-control type current transformer (3) formation brushless dual-feed motor (7).
6) when the second full-control type current transformer (4) breaks down and when motor works in metasynchronism state, the 3rd three-phase is first disconnected
Alternating-current switch (K3), the 5th three-phase alternating-current switch (K5), the 6th three-phase alternating-current switch (K6), the 7th three-phase alternating-current switch (K7) and
Second dc switch (K9), is closed again the first three-phase alternating-current switch (K1), the second three-phase alternating-current switch (K2), the 4th three-phase alternating current
(K4), the 3rd dc switch (K8) and the first dc switch (K10) are switched, by the three pole reactor (L1), uncontrollable current transformer
(5), the converter system of dc-link capacitance (C) and the first full-control type current transformer (3) formation brushless dual-feed motor (7).
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| CN201710355499.1A CN106982013B (en) | 2017-05-19 | 2017-05-19 | High-reliability brushless double-fed motor speed regulating device and control method thereof |
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| CN106982013A true CN106982013A (en) | 2017-07-25 |
| CN106982013B CN106982013B (en) | 2023-05-23 |
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| CN201710355499.1A Active CN106982013B (en) | 2017-05-19 | 2017-05-19 | High-reliability brushless double-fed motor speed regulating device and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712093A (en) * | 2018-05-03 | 2018-10-26 | 贵州航天林泉电机有限公司 | A kind of supply convertor and its control method of high-speed permanent magnetic starter-generator |
| CN111277154A (en) * | 2020-01-19 | 2020-06-12 | 中国人民解放军海军工程大学 | Integrated non-similar redundant rectifying device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868346A (en) * | 2012-08-16 | 2013-01-09 | 北京索德电气工业有限公司 | Brushless doubly-fed motor excitation control system and control method using same |
| CN105322840A (en) * | 2015-11-19 | 2016-02-10 | 广东上水能源科技有限公司 | Redundant type brushless double-fed motor speed regulating system capable of realizing flexible operation |
| JP2016537942A (en) * | 2013-10-08 | 2016-12-01 | ダイソン テクノロジー リミテッド | Drive circuit for brushless motor having AC / AC boost converter |
| CN206743141U (en) * | 2017-05-19 | 2017-12-12 | 广东上水能源科技有限公司 | A kind of brushless dual-feed motor arrangements for speed regulation of high reliability |
-
2017
- 2017-05-19 CN CN201710355499.1A patent/CN106982013B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868346A (en) * | 2012-08-16 | 2013-01-09 | 北京索德电气工业有限公司 | Brushless doubly-fed motor excitation control system and control method using same |
| JP2016537942A (en) * | 2013-10-08 | 2016-12-01 | ダイソン テクノロジー リミテッド | Drive circuit for brushless motor having AC / AC boost converter |
| CN105322840A (en) * | 2015-11-19 | 2016-02-10 | 广东上水能源科技有限公司 | Redundant type brushless double-fed motor speed regulating system capable of realizing flexible operation |
| CN206743141U (en) * | 2017-05-19 | 2017-12-12 | 广东上水能源科技有限公司 | A kind of brushless dual-feed motor arrangements for speed regulation of high reliability |
Non-Patent Citations (1)
| Title |
|---|
| 张惺;何志伟;: "无刷双馈电机起动与运行特性研究", 防爆电机 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712093A (en) * | 2018-05-03 | 2018-10-26 | 贵州航天林泉电机有限公司 | A kind of supply convertor and its control method of high-speed permanent magnetic starter-generator |
| CN108712093B (en) * | 2018-05-03 | 2023-07-28 | 贵州航天林泉电机有限公司 | Power converter of high-speed permanent magnet starter generator and control method thereof |
| CN111277154A (en) * | 2020-01-19 | 2020-06-12 | 中国人民解放军海军工程大学 | Integrated non-similar redundant rectifying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106982013B (en) | 2023-05-23 |
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Effective date of registration: 20231110 Address after: Q1181, Room 103, No. 137 Heguang Road, Tianhe District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangzhou Yizhi Environmental Protection Technology Co.,Ltd. Address before: Room G315, 201 Kezhu Road, Science City, Guangzhou Economic and Technological Development Zone, Guangdong Province, 510663 Patentee before: GUANGDONG SHANGSHUI ENERGY TECHNOLOGY Co.,Ltd. |