CN105897096A - Automatic adjustment reactor for high-voltage motor starting and adjustment method of automatic adjustment reactor - Google Patents
Automatic adjustment reactor for high-voltage motor starting and adjustment method of automatic adjustment reactor Download PDFInfo
- Publication number
- CN105897096A CN105897096A CN201610415822.5A CN201610415822A CN105897096A CN 105897096 A CN105897096 A CN 105897096A CN 201610415822 A CN201610415822 A CN 201610415822A CN 105897096 A CN105897096 A CN 105897096A
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- China
- Prior art keywords
- reactor
- automatically adjusted
- motor start
- motor
- guide rod
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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
- H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
-
- 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
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/02—Details
Abstract
The invention discloses an automatic adjustment reactor for high-voltage motor starting and an adjustment method of the automatic adjustment reactor. The inductive reactance value of the automatic adjustment reactor is linearly reduced with time when a motor is started and is reduced with the time during the starting process, the rotational speed and the counter electromotive force of the motor are increased with time change, and the inductive reactance value of the automatic adjustment reactor becomes zero when the starting of the motor is completed. By the automatic adjustment reactor, the high-voltage and high-power motor is stably started, the starting time is reduced, and the secondary impact of the reactor to a power drag system during removal is eliminated.
Description
Technical field
The present invention relates to one and be automatically adjusted reactor, particularly relate to a kind of for high-voltage motor start from
Dynamic regulation reactor and control method thereof.
Background technology
Reactor is also inducer, and wire is coiled into solenoid form, can be divided into open-core type reactor and core type
Reactor, for effects such as current limliting, reactive-load compensation and filtering in power system, its induction reactance value typically can not
It is automatically adjusted.
The startup of high voltage and high power electromotor usually tandem reactor carries out dividing potential drop current limliting, after having started, and electricity
Anti-device excises, and this avoid during motor full voltage starting big electric current and impact torque to motor and dragging thereof
System and the infringement of electrical network.
But, use during sealing in reactor starting high voltage and high power electromotor, motor the most electronic
Gesture increases with the rising of rotating speed, and the reactance value of reactor can not change with the rising of motor speed,
Therefore along with the rising of motor speed, electric current and torque drop, the startup time of motor is elongated.Electronic
When machine completes to start excision reactor, reactor and motor can be caused secondary electrical impact.
Summary of the invention
For the deficiency overcoming above-mentioned prior art to exist, the purpose of the present invention is to provide a kind of for high-tension electricity
Machine start be automatically adjusted reactor and control method thereof, with realize high voltage and high power electromotor steadily open
Dynamic, reduce the startup time, eliminate the secondary pulse to electric drive system when reactor excises.
For reaching above and other purpose, the present invention propose a kind of for high-voltage motor start be automatically adjusted reactance
Device, makes this be automatically adjusted reactor induction reactance value when motor start-up and reduces linearly over time, in start-up course
The induction reactance value of reactor declines in time, and rotating speed and the counter electromotive force of motor change over and increase, and
Complete in motor start-up, this is automatically adjusted the induction reactance value vanishing of reactor.
Further, this single-phase reactor being automatically adjusted reactor include wind spring (1), rotary handle (2),
Circular solenoid (3), sliding metal contact (4), guide rod (5), the axle center of described rotary handle (2)
Being connected with one end of described guide rod (5), the other end of described guide rod (5) connects outside described wind spring (1)
Stake (7) and described sliding metal contact (4), the interior stake 8 of described wind spring (1) and described circular helical
Pipe (3) maintains static, and described rotary handle (2) can drive the stud (7) of described wind spring (1), lead
Bar (5) and sliding metal contact (4) rotate.
Further, described sliding metal contact (4) is connected with wire simultaneously, the other end conduct of wire
This is automatically adjusted the terminals of reactor, and these terminals are connected with the terminals of motor.
Further, one end of described circular solenoid (3) is automatically adjusted reactor additionally as described
One terminals, these terminals are connected with power supply.
Further, described circular solenoid (3) is made up of around ring-shaped core (9) wire rings.
Further, each single-phase reactor being automatically adjusted reactor described in is connected by three universal driving shafts (6).
Further, described three universal driving shafts (6) are by interior stake (8) phase of the wind spring (1) of single-phase reactor
Even.
Further, good electrical between described sliding metal contact (4) and described circular solenoid (3)
Gas contacts.
Further, when rotating described rotary handle (2), described guide rod (5) drives outside wind spring (1)
Stake (7) and sliding metal contact (4) go to correct position, the induction reactance that reactor generation is certain, and subsequently three
Universal driving shaft (6), rotary handle (2), guide rod (5) and the sliding metal contact being connected with guide rod (5)
(4) under the moment of reaction effect that wind spring produces, initial position, the during this period sense of reactor are slowly returned
Anti-value reduces linearly over time.
For reaching above-mentioned purpose, the present invention also provide for a kind of for high-voltage motor start be automatically adjusted reactor
Control method, comprise the steps:
When motor start-up, reactor is sealed in winding loop, change over time, motor speed liter
Height, the induction reactance value of reactor declines, to ensure that motor exports enough detent torques continuously；
Complete in motor start-up, the induction reactance value vanishing of reactor, excise reactor smoothly.
Compared with prior art, the present invention is a kind of is automatically adjusted reactor and tune thereof for what high-voltage motor started
Joint method, by using variable reactor and wind spring, makes the output induction reactance value of variable reactor continuously and in time
The most adjustable, meet the constant current requirement of fast startup of high voltage and high power electromotor, also eliminate motor start-up
Infringement to electric drive system during the excision of complete reactor, it is achieved that lossless flexible excision.
Accompanying drawing explanation
Fig. 1 is the knot of a kind of single-phase reactor being automatically adjusted reactor started for high-voltage motor of the present invention
Structure schematic diagram；
Fig. 2 is wind spring in present pre-ferred embodiments, rotary handle, guide rod and the connection of sliding metal contact
Schematic diagram；
Fig. 3 is the overall structure schematic diagram of three-phase reactor in present pre-ferred embodiments；
Fig. 4 is the step of a kind of control method being automatically adjusted reactor started for high-voltage motor of the present invention
Flow chart.
Detailed description of the invention
Below by way of specific instantiation accompanying drawings embodiments of the present invention, art technology
Personnel can be understood further advantage and effect of the present invention easily by content disclosed in the present specification.The present invention
Also can be implemented by other different instantiation or be applied, the every details in this specification also can base
In different viewpoints and application, under the spirit without departing substantially from the present invention, carry out various modification and change.
Fig. 1 is the knot of a kind of single-phase reactor being automatically adjusted reactor started for high-voltage motor of the present invention
Structure schematic diagram, Fig. 2 is wind spring in present pre-ferred embodiments, rotary handle, guide rod and sliding metal contact
Connection diagram, Fig. 3 is the overall structure schematic diagram of three-phase reactor in present pre-ferred embodiments.As
Shown in Fig. 1, Fig. 2, Fig. 3, the present invention is a kind of is automatically adjusted reactor for what high-voltage motor started, and it is each
Single-phase reactor is connected by three universal driving shafts 6, shares wind spring 1, rotary handle 2, each single-phase reactor bag
Include circular solenoid 3, sliding metal contact 4, guide rod 5, ring-shaped core 9.
Wherein, the axle center of rotary handle 2 is connected with one end of guide rod 5, and the other end of guide rod 5 connects wind spring 1
Stud 7 and sliding metal contact 4；Interior stake 8 and the circular solenoid 3 of wind spring 1 maintain static, and rotate
Handle 2 can drive the stud 7 of wind spring 1, guide rod 5 and sliding metal contact 4 to rotate；Sliding metal contact
Between 4 with circular solenoid 3, good electrical contacts, circular solenoid 3 by wire rings around ring-shaped core
9 are constituted；Sliding metal contact 4 is connected with wire simultaneously, and the other end of wire is as being automatically adjusted reactor
Terminals, these terminals can be connected with the terminals of motor；One end conduct of circular solenoid 3
Being automatically adjusted the another one terminals of reactor, these terminals are connected with power supply.Each single-phase reactor passes through
Three universal driving shafts 6 are connected, it is also preferred that the left three universal driving shafts 6 are connected with the interior stake 8 of wind spring 1 simultaneously, i.e. and three-phase electricity
Anti-device is electrically symmetrical, shares a regulation handle and wind spring, and mechanical action is real by three universal driving shafts 6
Now link.After rotating rotary handle 2 during use, wind spring 1 produces the moment of reaction and drives three universal driving shafts 6, rotation
Change hands handle 2, guide rod 5 and the sliding metal contact 4 that is connected with guide rod 5 rotates, be automatically adjusted reactor
Induction reactance value will linearly be decreased or increased in time (during increase wind spring 1 opposite direction install, during motor start-up
Induction reactance value should be made to reduce linearly over time).
Operation principle of the present invention is as follows: when rotating rotary handle 2, guide rod 5 drives wind spring 1 stud 7 and slides
Dynamic metal contact 4 goes to correct position, and reactor produces certain induction reactance, subsequently three universal driving shafts 6, rotation hands
The moment of reaction that handle 2, guide rod 5 and the sliding metal contact 4 being connected with guide rod 5 produce at wind spring 1 is made
Slowly returning initial position under with, the induction reactance value of reactor reduces linearly over time during this period.
Fig. 4 is the step of a kind of control method being automatically adjusted reactor started for high-voltage motor of the present invention
Flow chart.As shown in Figure 4, a kind of regulation being automatically adjusted reactor started for high-voltage motor of the present invention
Method, comprises the steps:
Step 401, seals in winding loop by reactor when motor start-up, and change over time is electronic
Machine rotating speed raises, and the induction reactance value of reactor declines, to ensure that motor exports enough detent torques continuously.
This step uses what induction reactance value reduced linearly over time to be automatically adjusted reactor when motor start-up, starts
In journey, the induction reactance value of reactor declines in time, and rotating speed and the counter electromotive force of motor change over and increase,
The starting current of motor and detent torque can be made not to change over time by appropriate design, therefore motor
Can quickly start.
Step 402, complete in motor start-up, the induction reactance value vanishing of reactor, excise reactor smoothly.
When motor start-up is complete, metal slide contact returns to initial position, the induction reactance value vanishing of reactor, also
Do not have electric current to flow through reactor, the flexible excision of reactor can be realized, electric drive system will not be caused damage
Evil.
In sum, the present invention is a kind of is automatically adjusted reactor and control method thereof for what high-voltage motor started
By using variable reactor and wind spring, the output induction reactance value of variable reactor is made continuously and linearly over time may be used
Adjust, meet the constant current requirement of fast startup of high voltage and high power electromotor, also eliminate the complete electricity of motor start-up
Infringement to electric drive system during the excision of anti-device, it is achieved that lossless flexible excision.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.
Above-described embodiment all can be carried out by any those skilled in the art under the spirit and the scope of the present invention
Modify and change.Therefore, the scope of the present invention, should be as listed by claims.
Claims (10)
1. one kind is automatically adjusted reactor for what high-voltage motor started, it is characterised in that: make this be automatically adjusted
Reactor induction reactance value when motor start-up reduces linearly over time, in start-up course the induction reactance value of reactor with
Time declines, and rotating speed and the counter electromotive force of motor change over and increase, and complete in motor start-up,
This is automatically adjusted the induction reactance value vanishing of reactor.
A kind of for high-voltage motor start be automatically adjusted reactor, its feature
It is: this single-phase reactor being automatically adjusted reactor includes wind spring (1), rotary handle (2), circular
Solenoid (3), sliding metal contact (4), guide rod (5), the axle center of described rotary handle (2) is with described
One end of guide rod (5) is connected, and the other end of described guide rod (5) connects the stud (7) of described wind spring (1)
With described sliding metal contact (4), the interior stake (8) of described wind spring (1) and described circular solenoid (3)
Maintaining static, described rotary handle (2) can drive the stud (7) of described wind spring (1), guide rod (5)
Rotate with sliding metal contact (4).
A kind of for high-voltage motor start be automatically adjusted reactor, its feature
It is: described sliding metal contact (4) is connected with wire simultaneously, and the other end of wire is adjusted automatically as this
The terminals of joint reactor, these terminals are connected with the terminals of motor.
A kind of for high-voltage motor start be automatically adjusted reactor, its feature
It is: one end of described circular solenoid (3) is as the described another one wiring being automatically adjusted reactor
End, these terminals are connected with power supply.
A kind of for high-voltage motor start be automatically adjusted reactor, its feature
It is: described circular solenoid (3) is made up of around ring-shaped core (9) wire rings.
A kind of for high-voltage motor start be automatically adjusted reactor, its feature
Be: described in be automatically adjusted each single-phase reactor of reactor and be connected by three universal driving shafts (6).
A kind of for high-voltage motor start be automatically adjusted reactor, its feature
It is: described three universal driving shafts (6) are connected by the interior stake (8) of the wind spring (1) of single-phase reactor.
A kind of for high-voltage motor start be automatically adjusted reactor, its feature
It is: between described sliding metal contact (4) with described circular solenoid (3), good electrical contacts.
A kind of for high-voltage motor start be automatically adjusted reactor, its feature
It is: when rotating described rotary handle (2), described guide rod (5) drives the stud (7) of wind spring (1)
Going to correct position with sliding metal contact (4), reactor produces certain induction reactance, subsequently three universal driving shafts (6),
Rotary handle (2), guide rod (5) and the sliding metal contact (4) being connected with guide rod (5) produce at wind spring
Initial position, during this period the induction reactance value top-stitching at any time of reactor is slowly returned under raw moment of reaction effect
Property reduce.
10. the control method being automatically adjusted reactor started for high-voltage motor, comprises the steps:
When motor start-up, reactor loop is sealed in winding, change over time, motor speed liter
Height, the induction reactance value of reactor declines, to ensure that motor exports enough detent torques continuously；
Complete in motor start-up, the induction reactance value vanishing of reactor, excise reactor smoothly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415822.5A CN105897096A (en) | 2016-06-14 | 2016-06-14 | Automatic adjustment reactor for high-voltage motor starting and adjustment method of automatic adjustment reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610415822.5A CN105897096A (en) | 2016-06-14 | 2016-06-14 | Automatic adjustment reactor for high-voltage motor starting and adjustment method of automatic adjustment reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105897096A true CN105897096A (en) | 2016-08-24 |
Family
ID=56730344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610415822.5A Pending CN105897096A (en) | 2016-06-14 | 2016-06-14 | Automatic adjustment reactor for high-voltage motor starting and adjustment method of automatic adjustment reactor |
Country Status (1)
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| CN (1) | CN105897096A (en) |
Citations (9)
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|---|---|---|---|---|
| JP2006271060A (en) * | 2005-03-23 | 2006-10-05 | Denko Kogyo Kk | Starter with variable reactor circuit |
| CN102480254A (en) * | 2010-11-22 | 2012-05-30 | 大禹电气科技股份有限公司 | Isolated self-excitation magnetic saturation reactor-type soft start device |
| CN202475332U (en) * | 2012-02-29 | 2012-10-03 | 大力电工襄阳股份有限公司 | Soft starting device of high-voltage switch reactor |
| CN203150369U (en) * | 2013-03-06 | 2013-08-21 | 蒋光祖 | Contact type constant-current serial linear adjustable reactor |
| CN203225690U (en) * | 2012-12-25 | 2013-10-02 | 湖南科太电气有限公司 | Large power high voltage motor voltage reduction voltage regulation combination soft starting device |
| CN203399027U (en) * | 2013-07-26 | 2014-01-15 | 高海生 | Adjustable iron-core-valve soft starter |
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| CN103746612A (en) * | 2014-01-21 | 2014-04-23 | 武汉海奥电气有限公司 | Magnetic-valve controllable electric reactor phase-shifting self-coupling voltage-reduction soft starting method and device |
| CN105553338A (en) * | 2015-12-11 | 2016-05-04 | 湖北工业大学 | Soft start method of wound rotor induction motor |
-
2016
- 2016-06-14 CN CN201610415822.5A patent/CN105897096A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006271060A (en) * | 2005-03-23 | 2006-10-05 | Denko Kogyo Kk | Starter with variable reactor circuit |
| CN102480254A (en) * | 2010-11-22 | 2012-05-30 | 大禹电气科技股份有限公司 | Isolated self-excitation magnetic saturation reactor-type soft start device |
| CN202475332U (en) * | 2012-02-29 | 2012-10-03 | 大力电工襄阳股份有限公司 | Soft starting device of high-voltage switch reactor |
| CN203225690U (en) * | 2012-12-25 | 2013-10-02 | 湖南科太电气有限公司 | Large power high voltage motor voltage reduction voltage regulation combination soft starting device |
| CN203150369U (en) * | 2013-03-06 | 2013-08-21 | 蒋光祖 | Contact type constant-current serial linear adjustable reactor |
| CN203399027U (en) * | 2013-07-26 | 2014-01-15 | 高海生 | Adjustable iron-core-valve soft starter |
| CN103559969A (en) * | 2013-11-05 | 2014-02-05 | 上海电机学院 | Time-varying resistor |
| CN103746612A (en) * | 2014-01-21 | 2014-04-23 | 武汉海奥电气有限公司 | Magnetic-valve controllable electric reactor phase-shifting self-coupling voltage-reduction soft starting method and device |
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Non-Patent Citations (1)
| Title |
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| 裴勇生 等: "《光伏发电系统电气控制》", 31 May 2016 * |
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Application publication date: 20160824 |
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