CN208128148U - A kind of magnetosphere transformation voltage-regulating soft starter - Google Patents
A kind of magnetosphere transformation voltage-regulating soft starter Download PDFInfo
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- CN208128148U CN208128148U CN201721544502.6U CN201721544502U CN208128148U CN 208128148 U CN208128148 U CN 208128148U CN 201721544502 U CN201721544502 U CN 201721544502U CN 208128148 U CN208128148 U CN 208128148U
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- 230000009466 transformation Effects 0.000 title claims abstract description 25
- 239000007858 starting material Substances 0.000 title claims abstract description 9
- 238000004804 winding Methods 0.000 claims abstract description 81
- 230000004907 flux Effects 0.000 claims abstract description 8
- 230000033228 biological regulation Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 11
- 238000010304 firing Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to a kind of equipment of motor voltage regulating soft start -- and a kind of magnetosphere transformation voltage-regulating soft starter, device are shared winding and acquisition control adjustment module etc. and are formed by iron core, series connection winding, magnetosphere transformation winding, self-induction.It is characterized in that：A kind of winding of self-induction transformer is divided into multiple groups to be together in series, series connection winding all respectively and connects one group of magnetosphere transformation winding, magnetosphere converts winding and series connection winding is oppositely wound, self-induction shares winding and shares for a secondary side winding self-induction, self-induction shares winding one end and series connection winding concatenation, and one end connects into asterism by asterism connection switch.The magnetic flux of magnetosphere transformation winding is adjusted by incision to adjust the effective turn of primary winding coils, to change the turn ratio of a secondary winding, to adjust the output voltage for changing self-induction transformer, to realize the steady starting voltage for adjusting motor, make the steady soft start success of motor.
Description
Technical field
The utility model relates to a kind of magnetosphere transformation voltage-regulating soft starters for adjusting output voltage can be widely applied to electricity
In power dragging system, it is particularly suitable for motor and does pressure regulation soft start.
Background technique
The starting of induction alternating current (AC) motor mostly uses reduced voltage starting or series voltage-regulating to start, when reducing motor starting
Power grid is caused to impact, has reactor starting cabinet, auto-induction voltage-reduced starting cabinet, liquid to hinder starting cabinet, silicon-controlled starting cabinet using more
Etc. several equipment, respective working principle and performance characteristics difference are as follows：
Reactor starting cabinet is a kind of starting equipment that reactor of contacting in the start loop of motor is depressured, motor
When starting, the input starting voltage for reducing motor generator terminal is realized according to series connection voltage divider principle.Reduce electric motor starting electricity to reach
The purpose of stream.His the advantages of is that structure is simple, low cost.But its starting current is big, starting torque is small, is only applicable to supplying
To the starting of underloading motor in the case that capacitance is bigger.
Auto-induction voltage-reduced starting cabinet is a kind of starting for reducing motor set end voltage by auto-transformer in electric motor starting
Equipment.There are two voltage taps by general auto-transformer QZB, are 80% and 65% respectively, are usually to connect 65%, for load duty
When connect 80%, its advantage is that cost is relatively cheap, starting torque is big, and starting current is small；Disadvantage：Set end voltage can not automatically adjust,
Impact is big when operation switching.
Liquid hinders starting cabinet, contains the adjustable water resistance of pole plate and two kinds of thermistor, is contacted in the start loop of motor
The liquid that liquid resistance carries out pressure regulation hinders soft-start device, is moved in a liquid using pole plate, change the distance of two conductive electrodes and
Change the resistance of liquid；Or pole plate is fixed, itself increases liquid temperature to change liquid resistance, to change motor after being powered by liquid
Starting voltage, starting effect is fine, and structure is simple, at low cost, no-harmonic wave pollution, but disadvantage is more, and volume is big, the summer in winter
Its effect is inconsistent, performance is uncontrollable, risk is big, liquid need to mix acid-base property chemical substance, pole plate and water tank be easily corroded,
Liquid easily evaporates, maintenance workload is big, maintenance cost is high, service life is short.
Silicon-controlled starting cabinet is that the solid-state pressure regulation starting that series winding thyristor carries out pressure regulation in motor starting circuit is set
Standby, its adjustable range is big, and starting characteristic is good, but the problems such as synchronization, the temperature rise, pressure resistance, environmental requirement of silicon-controlled device always not
Good to solve, reliability is not very well that the maintenance technology of user is not caught up with, and contains a large amount of high order in thyristor output voltage
Harmonic wave can damage motor, also can generate harmonic pollution to power grid, there are high risk, high operating cost, and higher harmonics dirt
Dye, technical difficulty is big, and overload capacity is weak, the high problem of maintenance cost.
Above four kinds of equipment is more common on the market, first two category reduced voltage starting, latter two category pressure regulation soft start, due to
The characteristic that load torque changes with rotation speed change, pressure regulation soft start are smaller than reduced voltage starting impact, since existing pressure regulation rises
Dynamic equipment all belongs to series voltage-regulating principle, and when obtaining compared with large starting moment, starting current is all bigger, is x%（Dynastart end electricity
The percentage of pressure and Rated motor voltage）Full-voltage starting electric current again.Though so can existing market starting equipment, with silicon-controlled
Starting cabinet is leading army（The market scope occupied is most wide）But its structure and poor for applicability, failure rate existing for principle self character
High, the defects of harmonic pollution is serious, starting current is big, it was confirmed that its existing limitation and bottleneck.
Summary of the invention
The purpose of this utility model provides that a kind of structure is simple, adjustable range is wide, response aiming at above-mentioned shortcoming
Speed is fast, safe and reliable to operation, long service life, overload capacity are strong, no-harmonic wave pollution, not by use environment and temperature and geographical
Position influences, the convenient completely new voltage-regulating soft starter of working service.
The technical solution of the utility model is：A kind of winding of self-induction transformer is divided into multiple groups, is respectively：Series connection around
Group, magnetosphere transformation winding, self-induction share winding.Three kinds of windings totally one field circuit, series connection winding and self-induction share around
Group series connection, corresponding with magnetosphere transformation winding in parallel and opposite direction coiling, quantity are equal to each other, and can are all one group, can also are all
Multiple groups.Every group of series connection winding is designed with tap parallel connection and picks out.Magnetosphere transformation winding one end and corresponding series connection winding connect, one end
Connect acquisition control adjustment module.After acquisition control adjustment module compares calculating according to signals such as the Current Voltages of acquisition, hair
Instruction controls to adjust magnetosphere and converts winding, due to magnetosphere transformation winding and winding parallel and the opposite direction coiling of connecting, magnetic circuit side
To with series connection the magnetic circuit of winding it is contrary, can offset series connection winding induced voltage.So changing magnetosphere change by adjusting
The magnetic flux for changing winding can change the induced voltage of series connection winding, to adjust the output electricity for changing self-induction transformer
Pressure makes the steady soft start success of motor to realize the steady starting voltage for adjusting motor.
The technical characteristics of the utility model is：A kind of winding of self-induction transformer is divided into multiple groups to be together in series, is connected
Winding all respectively and connects one group of magnetosphere transformation winding, and magnetosphere converts winding and series connection winding is oppositely wound, and self-induction shares winding
It is shared for a secondary side winding self-induction, self-induction shares winding one end and series connection winding concatenation, and one end is opened by asterism connection
Connection is connected into asterism or is directly connected into asterism.The magnetic flux for adjusting magnetosphere transformation winding by incision is primary or secondary to adjust
The effective turn of winding coil, to change the turn ratio of a secondary winding, to realize the output electricity for changing self-induction transformer
Pressure, to realize the pressure regulation soft start of motor.
The utility model has the advantage that：
1, the utility model changes the induction for adjusting series connection winding by adjusting the magnetic flux of change magnetosphere transformation winding
Voltage, adjustable range is wide, and smoothly without impact.
2, it is detected and is automatically adjusted using closed loop, how tube voltage does not fluctuate, and automatic, quick, intelligence can make output electricity
Pressure stablizes the load voltage value required for setting, it is ensured that starting torque when stablizing or ensuring electric motor starting of electricity system.
3, in terms of pressure regulation soft start of the utility model for motor, various principles currently on the market is can solve and started
Defect and bottleneck existing for device keep the starting torque of motor bigger, and starting current is smaller, start more stable no impact.
4, electromagnetic induction principle, no-harmonic wave pollution.
5, structure is simple, modularized design, interchangeability are strong, maintenance technology it is understandable it is easy, maintenance cost is low.
6, dry-type transformer characteristic, safe and reliable to operation, long service life, overload capacity are strong.
7, using vacuum injection process, each Stability margin of parameter is big, is suitable for various adverse circumstances.
Detailed description of the invention：
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is the electrical schematic diagram that the utility model applies a mode.
Specific embodiment：
In conjunction with attached drawing and applies example the utility model is described as follows：
Fig. 1 is the structural schematic diagram of the utility model embodiment, the device mainly by：Iron core（1）, series connection winding（2）,
Magnetosphere converts winding（3）, self-induction share winding（4）, acquisition control adjustment module（9）It is formed Deng five parts.Series connection winding（2）
Winding is converted with magnetosphere（3）Corresponding in parallel and magnetic circuit opposite direction coiling altogether, quantity are equal to each other, and can all be one group, can also be all
For multiple groups.
Fig. 2 is the electrical schematic diagram that the utility model applies a mode.
Known to referring to fig. 2：Power switch switch（11）, asterism switch（8）It closes a floodgate and is shorted the asterism of self-induction transformer.
The analysis of motor voltage regulating Soft Start-up Process：By starting button, firing switch（5）It closes a floodgate, at this time self-induction transformer
First siding ring the number of turns is R1+R2+R3+R4, and secondary side the number of turns is R4, is equal to circle according to the ratio between voltage of one secondary side of transformer
The ratio between number is it is found that motor（M）Set end voltage be R4/ (R1+R2+R3+R4) times primary voltage（That is R4/ (R1+R2+R3+
R4) power supply system voltage again）, motor（M）Start to start.Acquisition control adjustment module simultaneously（9）Start to carry out electric current electricity
Sampling adjustment is pressed, the magnetic flux of magnetosphere transformation winding T1 is stepped up, when magnetosphere transformation winding T1 is completely counterbalanced by series connection winding
When the induced voltage of R1, firing switch（6）It closes a floodgate.Firing switch（6）After combined floodgate, firing switch（5）Separating brake, magnetosphere convert winding
T1 discharges simultaneously with the winding R1 that connects.Self-induction transformer first siding ring the number of turns is R2+R3+R4 at this time, and secondary side the number of turns is
R4.Then motor（M）Set end voltage rise to the primary voltage of R4/ (R2+R3+R4) times（That is R4/ (R2+R3+R4) times of confession
Electric system voltage）.Acquisition control adjustment module（9）Continue current-voltage sampling adjusting, makes the magnetic of magnetosphere transformation winding T2
Flux is stepped up, when magnetosphere transformation winding T2 is completely counterbalanced by the induced voltage of series connection winding R2, firing switch（7）It closes a floodgate.
Firing switch（7）After combined floodgate, firing switch（6）Separating brake, magnetosphere transformation winding T2 discharge simultaneously with the winding R2 that connects.Self-induction at this time
Answering transformer first siding ring the number of turns is R3+R4, and secondary side the number of turns is R4.Then motor（M）Set end voltage rise to R4/
(R3+R4) primary voltage again（That is R4/ (R3+R4) times of power supply system voltage）.When acquisition control adjustment module（9）Continue into
Row current-voltage sampling is adjusted, and is stepped up the magnetic flux of magnetosphere transformation winding T3, when magnetosphere transformation winding T3 is completely counterbalanced by
When the induced voltage of series connection winding R3, motor（M）Set end voltage rise to close to voltage rating.Asterism switchs at this time（8）
Separating brake, run switch（10）It closes a floodgate, motor（M）Pressure regulation, which starts, to be completed to enter operating status.Firing switch（7）Separating brake, magnetosphere
It converts soft pressure regulation of voltage-regulating soft starter to complete, self-induction transformer exits, main motor（M）It operates normally.
Claims (3)
1. a kind of magnetosphere converts voltage-regulating soft starter, it is characterized in that：By a kind of winding of self-induction transformer be divided into multiple groups around
System, respectively series connection winding, magnetosphere converts winding and one or two self-inductions share winding, and series connection winding all respectively and connects one group of magnetic
Circle transformation winding, magnetosphere converts winding and series connection winding is oppositely wound, and one or two self-inductions share winding one end and series connection winding
Concatenation, one end connect into asterism by asterism connection switch, adjust the magnetic flux of magnetosphere transformation winding by incision to adjust one
The effective turn of secondary winding coil, changes the turn ratio of a secondary winding, to adjust the output electricity for changing self-induction transformer
Pressure, realizes the pressure regulation soft start of motor.
2. magnetosphere according to claim 1 converts voltage-regulating soft starter, it is characterised in that the series connection winding and magnetosphere
Transformation winding quantity is equal to each other, and can is all one group, can also is all multiple groups.
3. magnetosphere according to claim 1 converts voltage-regulating soft starter, it is characterised in that the series connection winding and magnetosphere
The umber of turn of transformation winding is not fixed, can capacity according to actual needs and voltage percentage determine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721544502.6U CN208128148U (en) | 2017-11-18 | 2017-11-18 | A kind of magnetosphere transformation voltage-regulating soft starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721544502.6U CN208128148U (en) | 2017-11-18 | 2017-11-18 | A kind of magnetosphere transformation voltage-regulating soft starter |
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| Publication Number | Publication Date |
|---|---|
| CN208128148U true CN208128148U (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721544502.6U Expired - Fee Related CN208128148U (en) | 2017-11-18 | 2017-11-18 | A kind of magnetosphere transformation voltage-regulating soft starter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838792A (en) * | 2020-12-31 | 2021-05-25 | 大力电工襄阳股份有限公司 | Intelligent soft starting device |
| CN113612411A (en) * | 2021-07-13 | 2021-11-05 | 湖南科太电气有限公司 | Moving magnet voltage regulating soft starting and positioning device |
-
2017
- 2017-11-18 CN CN201721544502.6U patent/CN208128148U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112838792A (en) * | 2020-12-31 | 2021-05-25 | 大力电工襄阳股份有限公司 | Intelligent soft starting device |
| CN112838792B (en) * | 2020-12-31 | 2022-04-12 | 大力电工襄阳股份有限公司 | Intelligent soft starting device |
| CN113612411A (en) * | 2021-07-13 | 2021-11-05 | 湖南科太电气有限公司 | Moving magnet voltage regulating soft starting and positioning device |
| CN113612411B (en) * | 2021-07-13 | 2024-03-08 | 湖南科太电气有限公司 | Magnetic-shift voltage-regulating soft start and positioning device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |