CN204316389U - A kind of control motor multifunctional energy saver - Google Patents
A kind of control motor multifunctional energy saver Download PDFInfo
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- CN204316389U CN204316389U CN201520016001.5U CN201520016001U CN204316389U CN 204316389 U CN204316389 U CN 204316389U CN 201520016001 U CN201520016001 U CN 201520016001U CN 204316389 U CN204316389 U CN 204316389U
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- controllable silicon
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model discloses and a kind of control motor multifunctional energy saver, comprise power supply, controller, the first switch, second switch, the 3rd switch, the first controllable silicon, the second controllable silicon, the 3rd controllable silicon, the 4th controllable silicon, the first electric capacity, the second electric capacity, the first transformer, the second transformer, for detecting the first testing circuit of the diligent power of power output end and the second testing circuit for the reactive power that detects power output end; Described first transformer comprises the first high-tension coil and the first low-voltage coil; Second transformer comprises the second high-tension coil and the second low-voltage coil.The utility model can make the active power of power supply and reactive power regulate to realize electric motor starting and energy-saving run simultaneously.
Description
Technical field
The utility model belongs to power motor equipment technical field, relates to a kind of control motor multifunctional energy saver.
Background technology
When motor normal starting, work run, produce electrical network and impact, power factor of electric network is low, reactive power Q increases, and consumes electric energy many, and above-mentioned factor causes grid voltage change frequency and amplitude to strengthen, its Voltage Cortrol and control difficulty strengthen, and need the Reactive-power control of supporting response thus.Usually, the dynamic reactive power of domestic transmission system controls, and generally adopts constant reactance device in parallel separately and variable reactor to add capacitor.Along with the development of electric power system, all wish that motor soft starter and dynamic reactive compensation device can close two uniquely in a lot of occasion, Cheng Yitai.
Motor soft starter be generally connected in electrical network with motor in the middle of.Dynamic reactive compensation device is connected in parallel in electrical network.Reactor of contacting in dynamic reactive compensation device mainly limiting capacitance device group can add inrush phenomenon back-to-back, and high frequency amplitude is shoved and to be caused damage to switch contact and apparatus insulated meeting.Regulatable reactor in parallel is to prevent capacitor C from crossing benefit.Regulatable reactor experienced by from mechanical type to electromagnetic type, mechanical type Regulatable reactor structure is simple, good linearity, but the smooth adjustment that can not realize inductance, current application is less, and electromagnetic type Regulatable reactor changes inductance (L) by the magnetic resistance (R) changing iron core.To keep voltage constant, as formula: U=IXZ, Z=(R2+X2) 0.5 is in formula: U voltage; I electric current; Z impedance; R magnetic resistance; X induction reactance (inductance).R magnetic resistance is large, then X inductance is little; Otherwise R magnetic resistance is little, then X inductance is large.In order to keep voltage constant, I electric current; Z impedance then will change, as formula: U=IXZ.Electromagnetic type Regulatable reactor manufacturing process is simple, and cost is lower, application etc. in restriction overvoltage, dynamic passive compensation.Its major defect is that the response time is long, can not realize electric machine soft starting and dynamic reactive compensation device runs simultaneously.
Utility model content
The purpose of this utility model is the shortcoming overcoming above-mentioned prior art, and provide a kind of control motor multifunctional energy saver, this device can make the active power of power supply and reactive power regulate to realize electric motor starting and energy-saving run simultaneously.
For achieving the above object, control motor multifunctional energy saver described in the utility model comprise power supply, controller, the first switch, second switch, the 3rd switch, the first controllable silicon, the second controllable silicon, the 3rd controllable silicon, the 4th controllable silicon, the first electric capacity, the second electric capacity, the first transformer, the second transformer, for detecting the first testing circuit of the diligent power of power output end and the second testing circuit for the reactive power that detects power output end;
Described first transformer comprises the first high-tension coil and the first low-voltage coil; Second transformer comprises the second high-tension coil and the second low-voltage coil;
The output of described power supply is connected with one end of the first switch, the other end of the first switch is connected with one end of the 3rd switch and the first high-tension coil, the other end of the first high-tension coil and one end of the second high-tension coil, first silicon controlled one end and second silicon controlled one end are connected, first silicon controlled other end ground connection after the first electric capacity, second silicon controlled other end ground connection after the second electric capacity, the other end of the second high-tension coil is connected with one end of second switch, the other end of second switch and the other end of the 3rd switch are all connected with motor to be controlled, the two ends of the first low-voltage coil are connected by the 3rd controllable silicon, the two ends of the second low-voltage coil are connected by the 4th controllable silicon,
Output and the output of the second testing circuit of described first testing circuit are connected with the input of controller, and the output of controller is connected with the first silicon controlled control end, the second silicon controlled control end, the 3rd silicon controlled control end and the 4th silicon controlled control end.
Described controller comprises adder and comparator;
The output of described first testing circuit and the output of the second testing circuit are connected with two inputs of adder respectively, the output of adder is connected with the input of comparator, and the output of comparator is connected with the first silicon controlled control end, the second silicon controlled control end, the 3rd silicon controlled control end and the 4th silicon controlled control end.
The utility model has following beneficial effect:
Control motor multifunctional energy saver described in the utility model operationally, the active power of power output end is detected by the first testing circuit, the reactive power of power output end is detected by the second testing circuit, the result that the active power of power output end and reactive power are added judges with the threshold values preset by controller, when the result that the active power of power output end is added with reactive power is more than or equal to pre-set threshold value, then produce control signal, make the first controllable silicon, second controllable silicon, 3rd controllable silicon and the 4th controlled silicon conducting, realize the startup of motor, run setting automatically to control, thus make the active power of power supply and reactive power regulate to realize electric motor starting and energy-saving run simultaneously, fast response time, easy to use, reliability and safety is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to figure 1, control motor multifunctional energy saver described in the utility model comprise power supply, controller, the first switch QF1, second switch QF2, the 3rd switch QF3, the first controllable silicon VT1, the second controllable silicon VT2, the 3rd controllable silicon VD1, the 4th controllable silicon VD2, the first electric capacity C1, the second electric capacity C2, the first transformer, the second transformer, for detecting the first testing circuit of the diligent power of power output end and the second testing circuit for the reactive power that detects power output end, first transformer comprises the first high-tension coil LG1 and the first low-voltage coil LD1, second transformer comprises the second high-tension coil LG2 and the second low-voltage coil LD2, the output of power supply is connected with one end of the first switch QF1, the other end of the first switch QF1 is connected with one end of the 3rd switch QF3 and the first high-tension coil LG1, the other end of the first high-tension coil LG1 and one end of the second high-tension coil LG2, one end of first controllable silicon VT1 and one end of the second controllable silicon VT2 are connected, other end ground connection after the first electric capacity C1 of the first controllable silicon VT1, other end ground connection after the second electric capacity C2 of the second controllable silicon VT2, the other end of the second high-tension coil LG2 is connected with one end of second switch QF2, the other end of second switch QF2 and the other end of the 3rd switch QF3 are all connected with motor to be controlled, the two ends of the first low-voltage coil LD1 are connected by the 3rd controllable silicon VD1, the two ends of the second low-voltage coil LD2 are connected by the 4th controllable silicon VD2, output and the output of the second testing circuit of the first testing circuit are connected with the input of controller, and the output of controller is connected with the control end of the control end of the control end of the first controllable silicon VT1, the second controllable silicon VT2, the control end of the 3rd controllable silicon VD1 and the 4th controllable silicon VD2.
It should be noted that, described controller comprises adder and comparator; The output of the first testing circuit and the output of the second testing circuit are connected with two inputs of adder respectively, the output of adder is connected with the input of comparator, and the output of comparator is connected with the control end of the control end of the control end of the first controllable silicon VT1, the second controllable silicon VT2, the control end of the 3rd controllable silicon VD1 and the 4th controllable silicon VD2.
Specific works process of the present utility model is:
First testing circuit detects the reactive power information of power output end in real time, and the reactive power information of described power output end is forwarded in an input of adder, second testing circuit detects the active power information of power output end in real time, and the active power information of described power output end is forwarded in another input of adder, the result that the active power of power output end and reactive power are added is input in comparator by adder, comparator judges whether be added the result obtained is more than or equal to pre-set threshold value, when being added the result obtained and being more than or equal to pre-set threshold value, then make the first controllable silicon VT1, second controllable silicon VT2, 3rd controllable silicon VD1 and the 4th controllable silicon VD2 disconnects, when the result that this addition obtains is less than pre-set threshold value, then the first controllable silicon VT1, second controllable silicon VT2, 3rd controllable silicon VD1 and the 4th controllable silicon VD2 conducting, make the first electric capacity C1, second electric capacity C2, first high-tension coil LG1, first low-voltage coil LD1, second high-tension coil LG2 and the second low-voltage coil LD2 works, carry out auto-adjusting circuit loop capacitive by the input of the first electric capacity C1 and the second electric capacity C2 to bear, by the first high-tension coil LG1, second high-tension coil LG2, the input of the first low-voltage coil LD1 and the second low-voltage coil LD2 realizes auto-adjusting circuit loop inductive load, thus make the active power of power supply and reactive power regulate to realize electric motor starting and energy saving movement simultaneously, fast response time, it is convenient to run, reliability and safety is high, and structure is simple, volume is little, cost is low.
Claims (2)
1. one kind controls motor multifunctional energy saver, it is characterized in that, comprise power supply, controller, first switch (QF1), second switch (QF2), 3rd switch (QF3), first controllable silicon (VT1), second controllable silicon (VT2), 3rd controllable silicon (VD1), 4th controllable silicon (VD2), first electric capacity (C1), second electric capacity (C2), first transformer, second transformer, for detecting the first testing circuit of the diligent power of power output end, and for the second testing circuit of the reactive power that detects power output end,
Described first transformer comprises the first high-tension coil (LG1) and the first low-voltage coil (LD1); Second transformer comprises the second high-tension coil (LG2) and the second low-voltage coil (LD2);
The output of described power supply is connected with one end of the first switch (QF1), the other end of the first switch (QF1) is connected with one end of the 3rd switch (QF3) and the first high-tension coil (LG1), the other end of the first high-tension coil (LG1) and one end of the second high-tension coil (LG2), one end of first controllable silicon (VT1) and one end of the second controllable silicon (VT2) are connected, other end ground connection after the first electric capacity (C1) of the first controllable silicon (VT1), other end ground connection after the second electric capacity (C2) of the second controllable silicon (VT2), the other end of the second high-tension coil (LG2) is connected with one end of second switch (QF2), the other end of second switch (QF2) and the other end of the 3rd switch (QF3) are all connected with motor to be controlled, the two ends of the first low-voltage coil (LD1) are connected by the 3rd controllable silicon (VD1), the two ends of the second low-voltage coil (LD2) are connected by the 4th controllable silicon (VD2),
Output and the output of the second testing circuit of described first testing circuit are connected with the input of controller, and the output of controller is connected with the control end of the control end of the control end of the first controllable silicon (VT1), the second controllable silicon (VT2), the control end of the 3rd controllable silicon (VD1) and the 4th controllable silicon (VD2).
2. control motor multifunctional energy saver according to claim 1, it is characterized in that, described controller comprises adder and comparator;
The output of described first testing circuit and the output of the second testing circuit are connected with two inputs of adder respectively, the output of adder is connected with the input of comparator, and the output of comparator is connected with the control end of the control end of the control end of the first controllable silicon (VT1), the second controllable silicon (VT2), the control end of the 3rd controllable silicon (VD1) and the 4th controllable silicon (VD2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520016001.5U CN204316389U (en) | 2015-01-09 | 2015-01-09 | A kind of control motor multifunctional energy saver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520016001.5U CN204316389U (en) | 2015-01-09 | 2015-01-09 | A kind of control motor multifunctional energy saver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204316389U true CN204316389U (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520016001.5U Expired - Fee Related CN204316389U (en) | 2015-01-09 | 2015-01-09 | A kind of control motor multifunctional energy saver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204316389U (en) |
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2015
- 2015-01-09 CN CN201520016001.5U patent/CN204316389U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20190109 |