CN203734306U - Protection device for harmonic interference on power grid of lifting electromagnet equipment - Google Patents
Protection device for harmonic interference on power grid of lifting electromagnet equipment Download PDFInfo
- Publication number
- CN203734306U CN203734306U CN201420085583.8U CN201420085583U CN203734306U CN 203734306 U CN203734306 U CN 203734306U CN 201420085583 U CN201420085583 U CN 201420085583U CN 203734306 U CN203734306 U CN 203734306U
- Authority
- CN
- China
- Prior art keywords
- lifting electromagnet
- protection device
- power grid
- harmonic interference
- equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
- Y02E40/40—Arrangements for reducing harmonics
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model relates to a protection device for harmonic interference on a power grid of lifting electromagnet equipment. The protection device consists of input inductors L1, L2 and L3, input capacitors C1, C2, and C3, a common-mode inductor B1, capacitors C4, C5, and C6, and resistors R1, R2, and R3 and is characterized in that the common-mode inductor B1, the capacitors C4, C5, and C6, and the resistors R1, R2, and R3 are installed in the device. With the protection device, the problem of harmonic interference on a power grid by the system in the prior art can be solved; and the application quality of the lifting electromagnet can be improved.
Description
Technical field
The utility model belongs to hoisting equipment, particularly a kind of lifting electromagnet equipment harmonic wave
Disturb the protector of electrical network.
Background technology
At present, in lifting electromagnet equipment, inversion and the shutoff of the excitation of lifting electromagnet, silicon controlled commutation, electromagnet system all can cause harmonic pollution to electrical network, disturb the use of other power consumption equipments, when serious, can burn other power consumption equipments.
Summary of the invention
The object of the invention is to overcome above-mentioned technical deficiency, a kind of electronic devices and components built-up circuit that adopts is provided, stop various harmonic wave feedback grids, effectively prevent the harmonic pollution to power supply grid, improved the application quality of lifting electromagnet.
The technical scheme that the utility model technical solution problem adopts is: the protector of the humorous wave interference electrical network of a kind of lifting electromagnet equipment, comprise that L1, L2, L3 input inductance, C1, C2, C3 input capacitance, B1 common mode inductance, the humorous wave damping absorption circuit of C4, C5, C6 electric capacity and R1, R2, R3 resistance composition, L1, L2, L3 input inductance and C1, C2, C3 input capacitance stop high order harmonic component to be passed through, and B1 common mode inductance stops passing through of common mode harmonic wave, C4 and R1,
C5 and R2, C6 and R3 have formed resistance-capacitance absorption loop, and the concussion of damped harmonic wave has absorbed the harmonic wave of electromagnet coil feedback.
The beneficial effects of the utility model are: this utility model has solved the problem of the humorous wave interference electrical network of lifting electromagnet equipment, have improved the quality of working site electrical network, have improved the application quality of lifting electromagnet entirety.
Brief description of the drawings
Illustrate with embodiment below in conjunction with accompanying drawing.
Figure mono-prevents the device electrical schematic diagram of the humorous wave interference electrical network of lifting electromagnet.
In figure: L1, L2, L3 input inductance, C1, C2, C3 input capacitance, B1 common mode inductance and C4, C5, C6 electric capacity, R1, R2, R3 resistance; Its operation principle is L1, C1, L2, C2, and L3, C3 have formed low pass filter can effectively filtering high order harmonic component; B1 is that common mode inductance can stop common mode harmonic wave to pass through; C4 and R1, C5 and R2, C6 and R3 have formed capacitance-resistance
Absorption circuit, can the concussion of damped harmonic wave and the harmonic wave of absorption electromagnet coil feedback.
Embodiment
Embodiment, with reference to accompanying drawing, the protector of the humorous wave interference electrical network of a kind of lifting electromagnet equipment, comprise that L1, L2, L3 input inductance, C1, C2, C3 input capacitance, B1 common mode inductance and C4, C5, C6 electric capacity, the humorous wave damping absorption circuit of R1, R2, R3 resistance composition, in figure mono-, 1 pin of L1 connection C1, C3 and B1 joins; The other end of L2 connection C2 and C1 is connected 2 pin of B1; L3 connects the other end of C2, C3 and 3 pin of B1 join; After capacitor C 4, R1 serial connection, another two ends connect respectively 4 pin and 5 pin of B1; After capacitor C 5, R2 serial connection, another two ends connect respectively 5 pin and 6 pin of B1; After capacitor C 6, R3 serial connection, another two ends connect respectively 4 pin and 6 pin of B1, L1, L2, L3 inductance and C1, C2, C3 electric capacity can stop high order harmonic component to be passed through, B1 common mode inductance can stop passing through of common mode harmonic wave, C4 and R1, C5 and R2, C6 and R3 have formed resistance-capacitance absorption loop, the concussion of damped harmonic wave, has absorbed the harmonic wave of electromagnet coil feedback.
Claims (1)
1. the protector of the humorous wave interference electrical network of lifting electromagnet equipment, comprise that L1, L2, L3 input inductance, C1, C2, C3 input capacitance, B1 common mode inductance, C4, C5, C6 electric capacity and R1, R2, R3 resistance composition, it is characterized in that installing B1 common mode inductance in device, C4, C5, C6 electric capacity and R1, R2, R3 resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420085583.8U CN203734306U (en) | 2014-02-27 | 2014-02-27 | Protection device for harmonic interference on power grid of lifting electromagnet equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420085583.8U CN203734306U (en) | 2014-02-27 | 2014-02-27 | Protection device for harmonic interference on power grid of lifting electromagnet equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203734306U true CN203734306U (en) | 2014-07-23 |
Family
ID=51204352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420085583.8U Expired - Fee Related CN203734306U (en) | 2014-02-27 | 2014-02-27 | Protection device for harmonic interference on power grid of lifting electromagnet equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203734306U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790277A (en) * | 2016-04-20 | 2016-07-20 | 江阴宏龙节能技术有限公司 | Electromagnetic phase controlled power saver |
| CN105914740A (en) * | 2016-04-20 | 2016-08-31 | 江阴宏龙节能技术有限公司 | Electromagnetic shifting energy saver |
-
2014
- 2014-02-27 CN CN201420085583.8U patent/CN203734306U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790277A (en) * | 2016-04-20 | 2016-07-20 | 江阴宏龙节能技术有限公司 | Electromagnetic phase controlled power saver |
| CN105914740A (en) * | 2016-04-20 | 2016-08-31 | 江阴宏龙节能技术有限公司 | Electromagnetic shifting energy saver |
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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 |
Granted publication date: 20140723 Termination date: 20210227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |