CN103515969A - Low voltage three-phase electricity saving device - Google Patents
Low voltage three-phase electricity saving device Download PDFInfo
- Publication number
- CN103515969A CN103515969A CN201310460789.4A CN201310460789A CN103515969A CN 103515969 A CN103515969 A CN 103515969A CN 201310460789 A CN201310460789 A CN 201310460789A CN 103515969 A CN103515969 A CN 103515969A
- Authority
- CN
- China
- Prior art keywords
- terminals
- line
- phase
- low
- low voltage
- 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.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention relates to a low voltage three-phase reactive power automatic adjusting compensation device, in particular to a 380 V low voltage three-phase electricity saving device. According to the technical scheme, the low voltage three-phase electricity saving device comprises terminals of a phase line A, a phase line B and a phase line C of three-phase electricity and a terminal of a neutral line N, a compensating circuit and a discharging circuit are connected between every two of the terminals of the phase line A, the phase line B and the phase line C, and work indicating circuits are connected between the terminals of the phase line A, the phase line B and the phase line C and the terminal of the neutral line N respectively. The low voltage three-phase electricity saving device has the advantages of being simple in structure, low in cost and capable of overcoming the shortcoming of the existing technology and products.
Description
Technical field
The present invention relates to a kind of low voltage three-phase reactive power and automatically regulate compensation arrangement, be specifically related to the low voltage three-phase electricity-saving appliance of a kind of 380 volts.
Background technology
As everyone knows, in alternating current circuit, inductive load or capacitive load are crossed big city reduces the power factor of electrical network, and reactive power is large, and loss is large.So the user of general low voltage three-phase electricity requires to arrange reactive power compensation device, to reduce reactive loss, reaches the object of economize on electricity.At present, electrical equipment great majority are on the market inductive loads, particularly civilian, as washing machine, refrigerator and food crusher etc.Also there are many relevant battery saving arrangements; As frequency converter, motor starter, and power-factor compensator etc.To improving power factor, reducing reactive loss has positive effect.But their complex structure, cost be high, be unfavorable for applying.
Summary of the invention
Object of the present invention, in order to address the above problem, provides the low voltage three-phase electricity energy-saving appliance of a kind of 380 volts, and it is simple in structure, and cost is low, can solve the deficiency of prior art and product.
For achieving the above object, the invention provides a kind of low voltage three-phase electricity-saving appliance, three phase line A, the B, C terminals and the neutral line N terminals that comprise three-phase electricity, between every two terminals of described three phase line A, B, C terminals, all be connected with compensating circuit and discharge circuit, between three described phase line A, B, C terminals and neutral line N terminals, be all connected with working indicating.
Concrete, described compensating circuit and discharge circuit are low-voltage capacitance and the discharge resistance being connected in parallel, the compensating circuit and the discharge circuit that between described triple line A terminals and triple line B terminals, are connected are low-voltage capacitance C1 and the discharge resistance R1 being connected in parallel, the compensating circuit and the discharge circuit that between described triple line A terminals and triple line C terminals, are connected are low-voltage capacitance C3 and the discharge resistance R3 being connected in parallel, the compensating circuit and the discharge circuit that between described triple line B terminals and triple line C terminals, are connected are low-voltage capacitance C2 and the discharge resistance R2 being connected in parallel.
Further, the parameter of described discharge resistance R1, R2, R3 is all identical, and the parameter of described low-voltage capacitance C1, C2, C3 is all identical.
Concrete, described working indicating is current-limiting resistance and the light-emitting diode being connected in series, working indicating between described triple line A terminals and neutral line N is current-limiting resistance R22 and the light-emitting diode D22 being connected in series, working indicating between described triple line B terminals and neutral line N is current-limiting resistance R11 and the light-emitting diode D11 being connected in series, and the working indicating between described triple line C terminals and neutral line N is current-limiting resistance R33 and the light-emitting diode D33 being connected in series.
Further, the parameter of described current-limiting resistance R11, R22, R33 is all identical, and the parameter of described light-emitting diode D11, D22, D33 is all identical.
In the present invention, the value of described low-voltage capacitance C1, C2, C3 and the power of motor or electrical appliance match, the motor coupling 1KF electric capacity of 1KW.
Further, described three phase line A, B, C terminals are connected with the three-phase output end of the low pressure lead-in circuit breaker of subscriber equipment, and neutral line N terminals are connected with the zero line of the electric power system of subscriber equipment.
The present invention has following beneficial effect: low voltage three-phase electricity-saving appliance of the present invention is provided with compensation low-voltage capacitance and has mixed suitable discharge circuit between each phase line.Take full advantage of the complementary characteristic of secondary capacitor and inductive load, improved the power factor of electrical appliance, reduced reactive loss, saved electric energy.And simple in structure, components and parts have reduced cost less greatly, be to adapt to the development in epoch, the universal energy-conservation basis really of laying well, in addition, and can limiting circuitry Gao Bo, elimination clutter and wavelet, the consumption and the meritorious dump energy that reduce active energy reclaim; Autobalance power factor; Reduce immediately motor temperature, reduce noise level and not extra consumes power.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention 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 only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the circuit theory diagrams of low voltage three-phase electricity-saving appliance of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 1, the invention provides a kind of low voltage three-phase electricity-saving appliance, three phase line A, the B, C terminals and the neutral line N terminals that comprise three-phase electricity, between every two terminals of described three phase line A, B, C terminals, all be connected with compensating circuit and discharge circuit, between three described phase line A, B, C terminals and neutral line N terminals, be all connected with working indicating.Low voltage three-phase electricity-saving appliance of the present invention is provided with compensation low-voltage capacitance and has mixed suitable discharge circuit between each phase line.Take full advantage of the complementary characteristic of secondary capacitor and inductive load, improved the power factor of motor or electrical appliance, reduced reactive loss, saved electric energy.And the present invention is simple in structure, components and parts have reduced cost less greatly, for adapting to the development in epoch, the universal energy-conservation basis really of laying well.
As the concrete execution mode of the present invention, described compensating circuit and discharge circuit are low-voltage capacitance and the discharge resistance being connected in parallel, the compensating circuit and the discharge circuit that between described triple line A terminals and triple line B terminals, are connected are low-voltage capacitance C1 and the discharge resistance R1 being connected in parallel, the compensating circuit and the discharge circuit that between described triple line A terminals and triple line C terminals, are connected are low-voltage capacitance C3 and the discharge resistance R3 being connected in parallel, the compensating circuit and the discharge circuit that between described triple line B terminals and triple line C terminals, are connected are low-voltage capacitance C2 and the discharge resistance R2 being connected in parallel.In invention, the parameter of described discharge resistance R1, R2, R3 is all identical; The parameter of described low-voltage capacitance C1, C2, C3 is all identical; The resistance of discharge resistance R1, R2, R3 is 300-600K Ω; the effect of discharge resistance is: after dump; can be as early as possible that tele-release remaining in low-voltage capacitance C1, C2, C3 is complete, when being put into operation again, motor or electrical appliance be not subject to the impact of large electric current, protection motor or electrical appliance.Discharge resistance R1, R2, R3 are all connected on the circuit exchanging below 380 volts, but only have the electric current of 1.3 milliamperes of left and right to pass through, so power consumption seldom.
In addition, described working indicating is current-limiting resistance and the light-emitting diode being connected in series, working indicating between described triple line A terminals and neutral line N is current-limiting resistance R22 and the light-emitting diode D22 being connected in series, working indicating between described triple line B terminals and neutral line N is current-limiting resistance R11 and the light-emitting diode D11 being connected in series, and the working indicating between described triple line C terminals and neutral line N is current-limiting resistance R33 and the light-emitting diode D33 being connected in series.The parameter of described current-limiting resistance R11, R22, R33 is all identical, the parameter of described light-emitting diode D11, D22, D33 is all identical, whether the circuit of light-emitting diode D11 indication triple line B terminals works, whether the circuit of light-emitting diode D22 indication triple line A terminals works, whether the circuit of light-emitting diode D33 indication triple line C terminals works, if light-emitting diode D11, D22, D33 are entirely bright, illustrate that this three-phase electricity economizer is working properly, otherwise, work undesired.In the present invention, the value of described low-voltage capacitance C1, C2, C3 and the power of motor or electrical appliance match, the motor coupling 1KF electric capacity of 1KW.
Further, described three phase line A, B, C terminals are connected with the three-phase output end of the low pressure lead-in circuit breaker of subscriber equipment, neutral line N terminals are connected with the zero line of the electric power system of subscriber equipment, and this low voltage three-phase electricity-saving appliance can reach energy-conservation effect to subscriber equipment.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. low voltage three-phase electricity-saving appliance, it is characterized in that: three phase line A, the B, C terminals and the neutral line N terminals that comprise three-phase electricity, between every two terminals of described three phase line A, B, C terminals, all be connected with compensating circuit and discharge circuit, between three described phase line A, B, C terminals and neutral line N terminals, be all connected with working indicating.
2. low voltage three-phase electricity-saving appliance according to claim 1, it is characterized in that: described compensating circuit and discharge circuit are low-voltage capacitance and the discharge resistance being connected in parallel, the compensating circuit and the discharge circuit that between described triple line A terminals and triple line B terminals, are connected are low-voltage capacitance C1 and the discharge resistance R1 being connected in parallel, the compensating circuit and the discharge circuit that between described triple line A terminals and triple line C terminals, are connected are low-voltage capacitance C3 and the discharge resistance R3 being connected in parallel, the compensating circuit and the discharge circuit that between described triple line B terminals and triple line C terminals, are connected are low-voltage capacitance C2 and the discharge resistance R2 being connected in parallel.
3. low voltage three-phase electricity-saving appliance according to claim 2, is characterized in that: the parameter of described discharge resistance R1, R2, R3 is all identical, and the parameter of described low-voltage capacitance C1, C2, C3 is all identical.
4. low voltage three-phase electricity-saving appliance according to claim 1, it is characterized in that: described working indicating is current-limiting resistance and the light-emitting diode being connected in series, working indicating between described triple line A terminals and neutral line N is current-limiting resistance R22 and the light-emitting diode D22 being connected in series, working indicating between described triple line B terminals and neutral line N is current-limiting resistance R11 and the light-emitting diode D11 being connected in series, working indicating between described triple line C terminals and neutral line N is current-limiting resistance R33 and the light-emitting diode D33 being connected in series.
5. low voltage three-phase electricity-saving appliance according to claim 4, is characterized in that: the parameter of described current-limiting resistance R11, R22, R33 is all identical, and the parameter of described light-emitting diode D11, D22, D33 is all identical.
6. according to the low voltage three-phase electricity-saving appliance described in claim 2 or 3, it is characterized in that: the value of described low-voltage capacitance C1, C2, C3 and the power of motor or electrical appliance match the motor coupling 1KF electric capacity of 1KW.
7. low voltage three-phase electricity-saving appliance according to claim 1, it is characterized in that: described three phase line A, B, C terminals are connected with the three-phase output end of the low pressure lead-in circuit breaker of subscriber equipment, neutral line N terminals are connected with the zero line of the electric power system of subscriber equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310460789.4A CN103515969A (en) | 2013-09-30 | 2013-09-30 | Low voltage three-phase electricity saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310460789.4A CN103515969A (en) | 2013-09-30 | 2013-09-30 | Low voltage three-phase electricity saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103515969A true CN103515969A (en) | 2014-01-15 |
Family
ID=49898241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310460789.4A Pending CN103515969A (en) | 2013-09-30 | 2013-09-30 | Low voltage three-phase electricity saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103515969A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2884645Y (en) * | 2006-02-26 | 2007-03-28 | 李绪平 | General multifunction electricity saver |
| CN201044363Y (en) * | 2007-06-13 | 2008-04-02 | 陈业芬 | Three-phase electricity economizer |
| CN201947162U (en) * | 2011-01-24 | 2011-08-24 | 天津市思翔电子设备有限公司 | Three-phase energy saver |
| CN202930939U (en) * | 2012-11-29 | 2013-05-08 | 魏满堂 | Intelligent type three phase electricity-saving appliance |
-
2013
- 2013-09-30 CN CN201310460789.4A patent/CN103515969A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2884645Y (en) * | 2006-02-26 | 2007-03-28 | 李绪平 | General multifunction electricity saver |
| CN201044363Y (en) * | 2007-06-13 | 2008-04-02 | 陈业芬 | Three-phase electricity economizer |
| CN201947162U (en) * | 2011-01-24 | 2011-08-24 | 天津市思翔电子设备有限公司 | Three-phase energy saver |
| CN202930939U (en) * | 2012-11-29 | 2013-05-08 | 魏满堂 | Intelligent type three phase electricity-saving appliance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103219877B (en) | A kind of capacitor discharging circuit and changer | |
| CN102208823B (en) | Uninterrupted power system used for automatic ticket checker | |
| CN104539042A (en) | Uninterrupted power system | |
| CN101316047B (en) | Emergency power supply with charger | |
| CN204835653U (en) | UPS testing arrangement | |
| CN102299523A (en) | Dynamic voltage restorer for three-phase four-line system power distribution network | |
| CN102427233B (en) | Power saving device with harmonic suppression and voltage stabilization functions | |
| CN103888004A (en) | Single-phase PWM rectifier for railway AC/DC/AC standby power supply | |
| CN105006860A (en) | Controllable charge and discharge apparatus and voltage-equalizing circuit of a supercapacitor based on apparatus | |
| CN204794241U (en) | Controllable discharge device that fills reaches equalizer circuit based on super capacitor of this device | |
| CN201044363Y (en) | Three-phase electricity economizer | |
| CN201323457Y (en) | A high-accuracy collecting-distributing automatic reactive power compensation control system | |
| CN204089583U (en) | A kind of low-power high-voltage Switching Power Supply start-up circuit | |
| CN103515969A (en) | Low voltage three-phase electricity saving device | |
| CN201869093U (en) | Switch power supply discharging circuit | |
| CN103532152A (en) | High-voltage three-phase power saving device | |
| CN204258300U (en) | Supplying power allocation safeguards system | |
| CN202652055U (en) | Electrolytic capacitor charging circuit | |
| CN204118687U (en) | A kind of three phase mains random phase, open-phase protection circuit and Active Power Filter-APF | |
| CN103199611B (en) | A kind of power circuit of the network equipment | |
| CN103124146B (en) | Control method and system for improving supply apparatus to hold load | |
| CN101777771A (en) | Working state monitoring device, capacitor and reactive power factor compensation device | |
| CN202111512U (en) | Back-up power system capable of detecting charging and discharging current | |
| CN106787644B (en) | Power management system and power supply method thereof | |
| CN204304409U (en) | A kind of energy saver of idle power-off |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140115 |