CN204517411U - A kind of active power filtering cabinet - Google Patents
A kind of active power filtering cabinet Download PDFInfo
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- CN204517411U CN204517411U CN201520187695.9U CN201520187695U CN204517411U CN 204517411 U CN204517411 U CN 204517411U CN 201520187695 U CN201520187695 U CN 201520187695U CN 204517411 U CN204517411 U CN 204517411U
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- triode
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- emitter
- collector electrode
- current transformer
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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
-
- 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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- Power Conversion In General (AREA)
Abstract
A kind of active power filtering cabinet belongs to Active Power Filter Technology field, particularly relates to a kind of active power filtering cabinet.The utility model provides the active power filtering cabinet that a provenance filter is effective, possess state-indicating function.The utility model comprises ARM control chip, communication module, LCD MODULE, control output module, data memory module, A/D modular converter, current transformer TA1, current transformer TA2, current transformer TA3, current transformer TA4, current transformer TA5, current transformer TA6, voltage transformer pt, triode D1, triode D2, triode D3, triode D4, triode D5, triode D6, inductance L 1, inductance L 2, inductance L 3 and electric capacity C, its structural feature TA4 input one end is connected with A phase power transmission line by the A wiring that is connected, TA5 input one end is connected with B phase power transmission line by the B wiring that is connected.
Description
Technical field
The utility model belongs to Active Power Filter Technology field, particularly relates to a kind of active power filtering cabinet.
Background technology
Nowadays the fluorescent lamp, computer, UPS, elevator, convertible frequency air-conditioner etc. that use in a large number of commercial building field, the harmonic superposition of generation, to the neutral line, makes the neutral line generate heat, serious threat power distribution system secure.
In existing electric power system, dynamic passive compensation equipment mainly contains and controls reactor (TCR), Static Synchronous
Compensator (STATCOM), magnet valve controlled reactor (MCR) form.But the response speed of existing dynamic reactive compensation device is comparatively slow, cannot meet the related request of switching capacitance, and complex structure, is unfavorable for site installation test.
Summary of the invention
The utility model is exactly for the problems referred to above, provides the active power filtering cabinet that a provenance filter is effective, possess state-indicating function.
For achieving the above object, the utility model adopts following technical scheme, and the utility model comprises ARM control chip, communication module, LCD MODULE, control output module, data memory module, A/D modular converter, current transformer TA1, current transformer TA2, current transformer TA3, current transformer TA4, current transformer TA5, current transformer TA6, voltage transformer pt, triode D1, triode D2, triode D3, triode D4, triode D5, triode D6, inductance L 1, inductance L 2, inductance L 3 and electric capacity C, its structural feature TA4 input one end is connected with A phase power transmission line by the A wiring that is connected, TA5 input one end is connected with B phase power transmission line by the B wiring that is connected, TA6 input one end is connected with C phase power transmission line by the C wiring that is connected, the TA4 input other end by L1 respectively with D1 emitter, D4 collector electrode be connected, the TA5 input other end by L2 respectively with D3 emitter, D6 collector electrode be connected, the TA6 input other end by L3 respectively with D5 emitter, D2 collector electrode is connected, TA4, TA5, the output of TA6 is all connected with the input of A/D modular converter, C one end is connected with D1 collector electrode, D3 collector electrode, D5 collector electrode, PT input one end respectively, and the C other end is connected with D4 emitter, D6 emitter, D2 emitter, the PT input other end respectively, and the output of PT is connected with the input of A/D modular converter, TA1 input is serially connected with A phase load side, and TA2 input is serially connected with B phase load side, and TA3 input is serially connected with C phase load side, and the output of TA1, TA2, TA3 is all connected with the input of A/D modular converter, the output of A/D modular converter is connected with the signal input port of ARM control chip, the signal output port of ARM control chip respectively with the signal input port of communication module, control the signal input port of output module, the signal input port of data memory module is connected, the signal output port of communication module is connected with the signal input port of LCD MODULE, and the signal output port controlling output module is connected with D1 base stage, D2 base stage, D3 base stage, D4 base stage, D5 base stage, D6 base stage respectively.
As a kind of preferred version, the utility model also comprises calendar timing module, and the signal input port of calendar timing module is connected with the signal output port of ARM control chip.
As another kind of preferred version, triode D1 emitter described in the utility model is connected with the first diode anode, and the first diode cathode is connected with triode D1 collector electrode; Triode D2 emitter is connected with the second diode anode, and the second diode cathode is connected with triode D2 collector electrode; Triode D3 emitter is connected with the 3rd diode anode, and the 3rd diode cathode is connected with triode D3 collector electrode; Triode D4 emitter is connected with the 4th diode anode, and the 4th diode cathode is connected with triode D4 collector electrode; Triode D5 emitter is connected with the 5th diode anode, and the 5th diode cathode is connected with triode D5 collector electrode; Triode D6 emitter is connected with the 6th diode anode, and the 6th diode cathode is connected with triode D6 collector electrode.
In addition, ARM control chip described in the utility model is connected by RS485 communication interface with communication module.
The utility model beneficial effect.
The utility model is filtered by inductance L 1, L2, L3, greatly reduces equipment noise, makes equipment noise≤60dB.
The utility model gathers current signal by current transformer TA1, current transformer TA2, current transformer TA3, current transformer TA4, current transformer TA5, current transformer TA6, voltage transformer pt gathers voltage signal, send to ARM control chip through A/D modular converter, ARM control chip is entered electrical network compensated by control output module control triode D1, triode D2, triode D3, triode D4, triode D5, triode D6 switching capacitance C.
The utility model shows data by LCD MODULE, checks for user; Meanwhile, system is monitored in real time
The operation conditions of system, timely treatment system fault; Related data and the fault data recorder of operation is preserved in real time by data memory module; Function is more perfect.
The utility model provides a kind of hardware foundation of active power filtering cabinet.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described further.The utility model protection range is not only confined to the statement of following content.
Fig. 1 is circuit interconnect pattern of the present utility model.
Embodiment
As shown in the figure, the utility model comprises ARM control chip, communication module, LCD MODULE, control output module, data memory module, A/D modular converter, current transformer TA1, current transformer TA2, current transformer TA3, current transformer TA4, current transformer TA5, current transformer TA6, voltage transformer pt, triode D1, triode D2, triode D3, triode D4, triode D5, triode D6, inductance L 1, inductance L 2, inductance L 3 and electric capacity C, its structural feature TA4 input one end is connected with A phase power transmission line by the A wiring that is connected, TA5 input one end is connected with B phase power transmission line by the B wiring that is connected, TA6 input one end is connected with C phase power transmission line by the C wiring that is connected, the TA4 input other end by L1 respectively with D1 emitter, D4 collector electrode be connected, the TA5 input other end by L2 respectively with D3 emitter, D6 collector electrode be connected, the TA6 input other end by L3 respectively with D5 emitter, D2 collector electrode is connected, TA4, TA5, the output of TA6 is all connected with the input of A/D modular converter, C one end is connected with D1 collector electrode, D3 collector electrode, D5 collector electrode, PT input one end respectively, and the C other end is connected with D4 emitter, D6 emitter, D2 emitter, the PT input other end respectively, and the output of PT is connected with the input of A/D modular converter, TA1 input is serially connected with A phase load side, and TA2 input is serially connected with B phase load side, and TA3 input is serially connected with C phase load side, and the output of TA1, TA2, TA3 is all connected with the input of A/D modular converter, the output of A/D modular converter is connected with the signal input port of ARM control chip, the signal output port of ARM control chip respectively with the signal input port of communication module, control the signal input port of output module, the signal input port of data memory module is connected, the signal output port of communication module is connected with the signal input port of LCD MODULE, and the signal output port controlling output module is connected with D1 base stage, D2 base stage, D3 base stage, D4 base stage, D5 base stage, D6 base stage respectively.
The utility model also comprises calendar timing module, and the signal input port of calendar timing module is connected with the signal output port of ARM control chip.Connect timing when calendar timing module can carry out reality, by LCD MODULE display chronometric data.
Described triode D1 emitter is connected with the first diode anode, and the first diode cathode is connected with triode D1 collector electrode; Triode D2 emitter is connected with the second diode anode, and the second diode cathode is connected with triode D2 collector electrode; Triode D3 emitter is connected with the 3rd diode anode, and the 3rd diode cathode is connected with triode D3 collector electrode; Triode D4 emitter is connected with the 4th diode anode, and the 4th diode cathode is connected with triode D4 collector electrode; Triode D5 emitter is connected with the 5th diode anode, and the 5th diode cathode is connected with triode D5 collector electrode; Triode D6 emitter is connected with the 6th diode anode, and the 6th diode cathode is connected with triode D6 collector electrode.
Described ARM control chip is connected by RS485 communication interface with communication module.
Be understandable that, above about specific descriptions of the present utility model, the technical scheme described by the utility model embodiment is only not limited to for illustration of the utility model, those of ordinary skill in the art is to be understood that, still can modify to the utility model or equivalent replacement, to reach identical technique effect; Needs are used, all within protection range of the present utility model as long as meet.
Claims (4)
1.
a kind of active power filtering cabinet, comprises ARM control chip, communication module, LCD MODULE, control output module, data memory module, A/D modular converter, current transformer TA1, current transformer TA2, current transformer TA3, current transformer TA4, current transformer TA5, current transformer TA6, voltage transformer pt, triode D1, triode D2, triode D3, triode D4, triode D5, triode D6, inductance L 1, inductance L 2, inductance L 3 and electric capacity C, it is characterized in that TA4 input one end is connected with A phase power transmission line by the A wiring that is connected, TA5 input one end is connected with B phase power transmission line by the B wiring that is connected, TA6 input one end is connected with C phase power transmission line by the C wiring that is connected, the TA4 input other end by L1 respectively with D1 emitter, D4 collector electrode be connected, the TA5 input other end by L2 respectively with D3 emitter, D6 collector electrode be connected, the TA6 input other end by L3 respectively with D5 emitter, D2 collector electrode is connected, TA4, TA5, the output of TA6 is all connected with the input of A/D modular converter, C one end is connected with D1 collector electrode, D3 collector electrode, D5 collector electrode, PT input one end respectively, and the C other end is connected with D4 emitter, D6 emitter, D2 emitter, the PT input other end respectively, and the output of PT is connected with the input of A/D modular converter, TA1 input is serially connected with A phase load side, and TA2 input is serially connected with B phase load side, and TA3 input is serially connected with C phase load side, and the output of TA1, TA2, TA3 is all connected with the input of A/D modular converter, the output of A/D modular converter is connected with the signal input port of ARM control chip, the signal output port of ARM control chip respectively with the signal input port of communication module, control the signal input port of output module, the signal input port of data memory module is connected, the signal output port of communication module is connected with the signal input port of LCD MODULE, and the signal output port controlling output module is connected with D1 base stage, D2 base stage, D3 base stage, D4 base stage, D5 base stage, D6 base stage respectively.
2.
according to claim 1, an active power filtering cabinet, characterized by further comprising calendar timing module, and the signal input port of calendar timing module is connected with the signal output port of ARM control chip.
3.
an active power filtering cabinet according to claim 2, it is characterized in that described triode D1 emitter is connected with the first diode anode, the first diode cathode is connected with triode D1 collector electrode; Triode D2 emitter is connected with the second diode anode, and the second diode cathode is connected with triode D2 collector electrode; Triode D3 emitter is connected with the 3rd diode anode, and the 3rd diode cathode is connected with triode D3 collector electrode; Triode D4 emitter is connected with the 4th diode anode, and the 4th diode cathode is connected with triode D4 collector electrode; Triode D5 emitter is connected with the 5th diode anode, and the 5th diode cathode is connected with triode D5 collector electrode; Triode D6 emitter is connected with the 6th diode anode, and the 6th diode cathode is connected with triode D6 collector electrode.
4.
according to claim 3, an active power filtering cabinet, is characterized in that described ARM control chip is connected by RS485 communication interface with communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520187695.9U CN204517411U (en) | 2015-03-31 | 2015-03-31 | A kind of active power filtering cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520187695.9U CN204517411U (en) | 2015-03-31 | 2015-03-31 | A kind of active power filtering cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN204517411U true CN204517411U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520187695.9U Expired - Fee Related CN204517411U (en) | 2015-03-31 | 2015-03-31 | A kind of active power filtering cabinet |
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| CN (1) | CN204517411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552912A (en) * | 2016-03-04 | 2016-05-04 | 安徽工程大学 | Active power filter |
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2015
- 2015-03-31 CN CN201520187695.9U patent/CN204517411U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552912A (en) * | 2016-03-04 | 2016-05-04 | 安徽工程大学 | Active power filter |
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| 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: 20150729 Termination date: 20190331 |