CN203734310U - Three-phase power building voltage-stabilizing power saver - Google Patents
Three-phase power building voltage-stabilizing power saver Download PDFInfo
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- CN203734310U CN203734310U CN201320694213.XU CN201320694213U CN203734310U CN 203734310 U CN203734310 U CN 203734310U CN 201320694213 U CN201320694213 U CN 201320694213U CN 203734310 U CN203734310 U CN 203734310U
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- voltage
- circuit
- voltage regulation
- regulation mechanism
- harmonic filtering
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- 238000001914 filtration Methods 0.000 claims abstract description 36
- 230000001105 regulatory effect Effects 0.000 claims abstract description 33
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 15
- 230000033228 biological regulation Effects 0.000 claims description 29
- 230000008844 regulatory mechanism Effects 0.000 claims description 27
- 230000005611 electricity Effects 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 abstract description 6
- 230000006641 stabilisation Effects 0.000 abstract description 4
- 238000011105 stabilization Methods 0.000 abstract description 4
- 238000005070 sampling Methods 0.000 abstract 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- FDZZZRQASAIRJF-UHFFFAOYSA-M malachite green Chemical compound [Cl-].C1=CC(N(C)C)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](C)C)C=C1 FDZZZRQASAIRJF-UHFFFAOYSA-M 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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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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Abstract
The utility model discloses a three-phase power building voltage-stabilizing power saver capable of voltage stabilization and power grid harmonic wave filtering. The power saver comprises a harmonic wave filtering circuit, a voltage stabilizing and regulating mechanism, a sampling circuit, a main controller and a control terminal. The harmonic wave filtering circuit, the voltage stabilizing and regulating mechanism, the sampling circuit and the control terminal are all connected to the main controller. The harmonic wave filtering circuit and the voltage stabilizing and regulating mechanism are parallelly connected between an external power grid input terminal and a load output terminal. The sampling circuit is also connected to the voltage stabilizing and regulating mechanism. Through cooperation between the harmonic wave filtering circuit, the voltage stabilizing and regulating mechanism, the sampling circuit, the main controller and the control terminal, the power saver is capable of voltage stabilization and power grid harmonic wave filtering.
Description
Technical field
The utility model relates to building electricity-saving appliance, especially a kind of can burning voltage, the three-phase electricity building voltage-regulated power saver of filtering mains by harmonics.
Background technology
Along with the fast development of national economy, electric power resource is day by day in short supply, and according to " China Green Lights Project " requirement, building economize on electricity will become the important step of saves energy." widely popularize building economize on electricity new technology, new product, make great efforts to reduce city power consumption ", become the focus of building a conservation-minded society.
Popular electricity-saving appliance has the following disadvantages in the market: first, scarcely possesses the function of burning voltage, in present market, popular multiple electricity-saving appliance just reduces the supply power voltage of load-side simply, all do not possess the function of burning voltage, in the time that line voltage slightly fluctuates, the output voltage of electricity-saving appliance fluctuates thereupon, can not provide a stable power utilization environment to load; Second, do not possess harmonic wave control function, although also there is now small part electricity-saving appliance to possess voltage stabilizing function, but do not possess harmonic wave control function, because building power consumption is large now, load type is various, has a lot of loads all can produce harmonic wave, and harmonic wave all can have harm largely to power supply unit, power consumption equipment and electrical network.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of can burning voltage, the three-phase electricity building voltage-regulated power saver of filtering mains by harmonics.
The utility model solves the technical scheme that its technical problem adopts: three-phase electricity building voltage-regulated power saver, comprises harmonic filtering circuit, voltage regulation of voltage regulation mechanism, sample circuit, master controller and control terminal; Described harmonic filtering circuit, voltage regulation of voltage regulation mechanism, sample circuit and control terminal are all connected on master controller, described harmonic filtering circuit and voltage regulation of voltage regulation mechanism are connected in parallel between external power grid input and load output, and described sample circuit is also connected with voltage regulation of voltage regulation mechanism.
Described external power grid input is connected with harmonic filtering circuit and voltage regulation of voltage regulation mechanism respectively by input control device, and described load output is connected with harmonic filtering circuit and voltage regulation of voltage regulation mechanism respectively by o controller.
Described input control device is low-voltage circuit breaker, and described o controller is A.C. contactor.
Described voltage stabilizing governor motion comprises compensator transformer and voltage regulating transformer; One end of the primary coil of compensator transformer is connected with the adjustable side of voltage regulating transformer; The other end of the primary coil of compensator transformer is connected with A.C. contactor, and the other end of primary coil and the adjustable side of voltage regulating transformer are connected with three phase network input by the low pressure device that opens circuit out; The output of voltage regulating transformer is connected with the zero line of external power grid input.
Described harmonic filtering circuit comprises the instruction current computing circuit and the offset current circuit for generating that are connected, and offset current circuit for generating comprises drive circuit and current tracking control circuit; Instruction current computing circuit, current tracking control circuit, drive circuit connect successively, and described instruction current computing circuit is also connected with external power grid input, and described drive circuit is also connected with load output.
The beneficial effects of the utility model are: three-phase electricity building voltage-regulated power saver of the present utility model, by the cooperation of harmonic filtering circuit, voltage regulation of voltage regulation mechanism, sample circuit, master controller and control terminal, there is the function of burning voltage, filtering mains by harmonics; Owing to being provided with voltage regulation of voltage regulation mechanism, can carrying out voltage stabilizing power supply to lighting loop, at any time to loop provide one not only stable, but also can economize on electricity, also can not affect the supply power voltage of illuminating effect, stabilization of equipment performance and precision are increased greatly,
Reduce equipment regulated quantity, extension device self life-span.Under same electrical network and loading condition, with the electricity-saving appliance comparison that there is no voltage stabilizing function, can make illuminating energy-saving rate reach higher numerical value.Voltage regulation of voltage regulation mechanism can regulate simultaneously or regulate respectively according to threephase load situation, ensures power supply quality and the stability of whole electrical network.Owing to having increased harmonic filtering circuit, power factor can be greatly improved, and in illuminating line, total current reduces, and power consumption reduces, and temperature also reduces, and greatly extend the useful life of load and auxiliary device.Feed back to the electric current of electrical network for without the clean power supply of harmonic wave simultaneously, can not disturb other power consumption equipments in electrical network.Owing to playing economize on electricity and filtering harmonic wave dual-use function, also protect transformer, reduce dilatation demand, bring good Social benefit and economic benefit.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structured flowchart of three-phase electricity building voltage-regulated power saver of the present utility model;
Fig. 2 is the circuit diagram of the voltage regulation of voltage regulation mechanism of three-phase electricity building voltage-regulated power saver of the present utility model;
In figure, 1-low-voltage circuit breaker, 2-voltage stabilizing governor motion, 3-voltage regulation of voltage regulation mechanism, 4-A.C. contactor.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described, but protection range of the present utility model is not limited to the following stated.
As shown in Figure 1, three-phase electricity building voltage-regulated power saver of the present utility model, comprises harmonic filtering circuit, voltage regulation of voltage regulation mechanism 3, sample circuit, master controller and control terminal; Described harmonic filtering circuit, voltage regulation of voltage regulation mechanism 3, sample circuit and control terminal are all connected on master controller, described harmonic filtering circuit and voltage regulation of voltage regulation mechanism 3 are connected in parallel between external power grid input and load output, and described sample circuit is also connected with voltage regulation of voltage regulation mechanism 3.Three-phase electricity building voltage-regulated power saver of the present utility model, by the cooperation of harmonic filtering circuit, voltage regulation of voltage regulation mechanism 3, sample circuit, master controller and control terminal, has had the function of burning voltage, filtering mains by harmonics.Operating personnel arrange day part by control terminal and need stable magnitude of voltage, determine the voltage controling value of master controller, control output voltage, external power grid input termination voltage regulation of voltage regulation mechanism 3, in the time that output voltage changes, sample circuit Real-time Collection voltage stabilizing governor motion 3 output end current voltage signals, and feed back to master controller, controller is according to the artificial output valve at times of setting, in conjunction with filtering signal collection, make comprehensive analysis, to voltage regulation of voltage regulation, mechanism sends action command, regulate bucking voltage, make load output end voltage keep being stabilized in the ideal range of setting always.Harmonic filtering circuit is passed to the current and voltage signals of master controller by receiving sample circuit, the current signal of gained is carried out to the processing of harmonic wave separation algorithm, obtain harmonic reference signal, as the modulation signal of PWM, compared with triangular wave, thereby the switching signal of obtaining, remove to control IGBT single-phase bridge by this switching signal, according to the principle of PWM technology, by the switching signal reversal connection of upper and lower bridge arm, just can obtain with line on the harmonic current of harmonic signal equal and opposite in direction, opposite direction, the harmonic current on line is balanced out.First instruction current computing circuit detects load input current, be harmonic wave in target compensation electric current and the current component such as idle, obtain concrete offset current component, and this signal is transferred to current tracking control circuit, current tracking control circuit is through calculating and changing backward drive circuit and send control signal, drive circuit drives PWM current transformer action in main circuit, produce actual offset current, current i s to AC power output compensates stack, finally obtains desirable load input current.Because instruction current computing circuit is monitored, is detected load input current incessantly all the time, as long as so at any time occur that load Harmonics of Input exceeds standard, will be at once by compensation corrigendum, reach and remain that load input current is the object of desirable electric current.
Described external power grid input is connected with harmonic filtering circuit and voltage regulation of voltage regulation mechanism 3 respectively by input control device, and described load output is connected with harmonic filtering circuit and voltage regulation of voltage regulation mechanism 3 respectively by o controller.
Described input control device is low-voltage circuit breaker 1, and described o controller is A.C. contactor 4.
Described voltage stabilizing governor motion 2 comprises compensator transformer and voltage regulating transformer; One end of the primary coil of compensator transformer is connected with the adjustable side of voltage regulating transformer; The other end of the primary coil of compensator transformer is connected with A.C. contactor 4, and the other end of primary coil and the adjustable side of voltage regulating transformer are connected with three phase network input by the low pressure device that opens circuit out; The output of voltage regulating transformer 6 is connected with the zero line of external power grid input.
Described harmonic filtering circuit comprises the instruction current computing circuit and the offset current circuit for generating that are connected, and offset current circuit for generating comprises drive circuit and current tracking control circuit; Instruction current computing circuit, current tracking control circuit, drive circuit connect successively, and described instruction current computing circuit is also connected with external power grid input, and described drive circuit is also connected with load output.
In sum, owing to being provided with voltage regulation of voltage regulation mechanism 3, can carrying out voltage stabilizing power supply to lighting loop, at any time to loop provide one not only stable, but also can economize on electricity, also can not affect the supply power voltage of illuminating effect, stabilization of equipment performance and precision are increased greatly, reduce equipment regulated quantity, extension device self life-span.Under same electrical network and loading condition, with the electricity-saving appliance comparison that there is no voltage stabilizing function, can make illuminating energy-saving rate reach higher numerical value.Voltage regulation of voltage regulation mechanism 3 can regulate simultaneously or regulate respectively according to threephase load situation, ensures power supply quality and the stability of whole electrical network.Owing to having increased harmonic filtering circuit, power factor can be greatly improved, and in illuminating line, total current reduces, and power consumption reduces, and temperature also reduces, and greatly extend the useful life of load and auxiliary device.Feed back to the electric current of electrical network for without the clean power supply of harmonic wave simultaneously, can not disturb other power consumption equipments in electrical network.Owing to playing economize on electricity and filtering harmonic wave dual-use function, also protect transformer, reduce dilatation demand, bring good Social benefit and economic benefit.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: the technical scheme that its in specification still can be recorded aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement, does not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the utility model.
Claims (5)
1. three-phase electricity building voltage-regulated power saver, is characterized in that: comprise harmonic filtering circuit, voltage regulation of voltage regulation mechanism (3), sample circuit, master controller and control terminal; Described harmonic filtering circuit, voltage regulation of voltage regulation mechanism (3), sample circuit and control terminal are all connected on master controller, described harmonic filtering circuit and voltage regulation of voltage regulation mechanism (3) are connected in parallel between external power grid input and load output, and described sample circuit is also connected with voltage regulation of voltage regulation mechanism (3).
2. three-phase electricity building voltage-regulated power saver according to claim 1, it is characterized in that: described external power grid input is connected with harmonic filtering circuit and voltage regulation of voltage regulation mechanism (3) respectively by input control device, and described load output is connected with harmonic filtering circuit and voltage regulation of voltage regulation mechanism (3) respectively by o controller.
3. three-phase electricity building voltage-regulated power saver according to claim 2, is characterized in that: described input control device is low-voltage circuit breaker (1), and described o controller is A.C. contactor (4).
4. three-phase electricity building voltage-regulated power saver according to claim 3, is characterized in that: described voltage stabilizing governor motion (2) comprises compensator transformer and voltage regulating transformer; One end of the primary coil of compensator transformer is connected with the adjustable side of voltage regulating transformer; The other end of the primary coil of compensator transformer is connected with A.C. contactor (4), and the other end of primary coil and the adjustable side of voltage regulating transformer are connected with three phase network input by the low pressure device that opens circuit out; The output of voltage regulating transformer is connected with the zero line of external power grid input.
5. according to the three-phase electricity building voltage-regulated power saver described in any one claim in claim 1 to 4, it is characterized in that: described harmonic filtering circuit comprises the instruction current computing circuit and the offset current circuit for generating that are connected, and offset current circuit for generating comprises drive circuit and current tracking control circuit; Instruction current computing circuit, current tracking control circuit, drive circuit connect successively, and described instruction current computing circuit is also connected with external power grid input, and described drive circuit is also connected with load output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320694213.XU CN203734310U (en) | 2013-11-05 | 2013-11-05 | Three-phase power building voltage-stabilizing power saver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320694213.XU CN203734310U (en) | 2013-11-05 | 2013-11-05 | Three-phase power building voltage-stabilizing power saver |
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| Publication Number | Publication Date |
|---|---|
| CN203734310U true CN203734310U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320694213.XU Expired - Lifetime CN203734310U (en) | 2013-11-05 | 2013-11-05 | Three-phase power building voltage-stabilizing power saver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545815A (en) * | 2013-11-05 | 2014-01-29 | 四川安蕊环境工程有限公司 | Three-phase alternating-current building voltage-stabilizing electricity-saving device |
-
2013
- 2013-11-05 CN CN201320694213.XU patent/CN203734310U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545815A (en) * | 2013-11-05 | 2014-01-29 | 四川安蕊环境工程有限公司 | Three-phase alternating-current building voltage-stabilizing electricity-saving device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SICHUAN AN RUI ENVIRONMENT ENGINEERING CO., LTD. Free format text: FORMER NAME: SICHUAN ANRUI ENVIRONMENT ENGINEERING CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 6 B building, No. nine Hing Road, Chengdu hi tech Development Zone, Sichuan, 610093 Patentee after: SICHUAN ANRUI ENVIRONMENTAL ENGINEERING CO.,LTD. Address before: 6 B building, No. nine Hing Road, Chengdu hi tech Development Zone, Sichuan, 610093 Patentee before: SICHUAN AN RUI ENVIRONMENTAL ENGINEERING CO.,LTD. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |