CN101630843B - Alternating current phase modulation energy saver - Google Patents

Alternating current phase modulation energy saver Download PDF

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Publication number
CN101630843B
CN101630843B CN2009100746552A CN200910074655A CN101630843B CN 101630843 B CN101630843 B CN 101630843B CN 2009100746552 A CN2009100746552 A CN 2009100746552A CN 200910074655 A CN200910074655 A CN 200910074655A CN 101630843 B CN101630843 B CN 101630843B
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CN
China
Prior art keywords
transformer
electric capacity
input
winding
electrically connected
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
Application number
CN2009100746552A
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Chinese (zh)
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CN101630843A (en
Inventor
侯智勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JINGJIANG POWER SUPPLY CO Ltd JIANGSU ELECTRIC POWER Co
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Taizhou Power Supply Co of Jiangsu Electric Power Co
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NINGBO XIANGBO MACHINERY CO Ltd
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Priority to CN2009100746552A priority Critical patent/CN101630843B/en
Publication of CN101630843A publication Critical patent/CN101630843A/en
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Publication of CN101630843B publication Critical patent/CN101630843B/en
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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

Abstract

The invention relates to an energy saver which can regulate phase difference angles between input/out voltages in alternating currents. The energy saver comprises an inductance, a capacitance, a transformer and a controller which are electrically connected. According to the induction principle of electromagnetism and the Lenz theorem, by magnetoelectric coupling of a transformer, the phase difference angles between the input voltage of a circuit and an output voltage of the transformer are regulated so that the active power consumption of the circuit of electric equipment is converted into the idle work consumption of input circuit, and then the purpose of energy saving is achieved by reactive power compensation.

Description

Alternating current phase modulation energy saver
Affiliated technical field
The present invention relates to a kind of battery saving arrangement of regulating alternating current input/output voltage phase angle; Special in resistive load; Make the phase angle that forms ∏/2 with synchronous electric current of load voltage and circuit voltage; Thereby under circuit voltage, show as reactive current, and then adopt the mode compensating circuit reactive current of reactive power compensation, reach the purpose of economize on electricity.
Background technology
At present, be mostly to improve through reactive power compensation the power factor of power consumption equipment, the operating frequency that perhaps adopts converter technique to change power consumption equipment reaches the purpose of economize on electricity.But these measures generally do not relate to the meritorious consumption of power consumption equipment, thereby make power savings receive certain limitation.
Summary of the invention
In order further to improve electric energy; The present invention provides a kind of alternating current phase modulation energy saver; The phase angle that this electricity-saving appliance can make active current that resistive load passes through and circuit input voltage form ∏/2; Promptly under the circuit input voltage, show as reactive current, thereby can adopt this reactive current of the mode compensating circuit of reactive power compensation, reach the purpose of economize on electricity.
The technical solution adopted for the present invention to solve the technical problems is: according to electromagnetic induction principle and Lenz's theorem, and in alternating current circuit, voltage ∏/2 through inductance two ends after the current hysteresis of inductance winding jiao; The transformer input terminal voltage is identical with the output end voltage frequency, phase place is identical.Series resonant circuit is formed in input winding, electric capacity, resistance electrical connection by transformer.At the circuit resonance place, circuital current and circuit voltage same-phase, the voltage lead-circuit electric current ∏ at transformer input winding two ends/2 jiaos, i.e. lead-circuit voltage ∏/2 jiao; The voltage delay circuital current ∏ at electric capacity two ends/2 jiaos, i.e. lagging circuit voltage ∏/2 jiao.Because transformer output end voltage and input terminal voltage same frequency, same-phase, so also lead-circuit voltage ∏/2 jiao of transformer output voltage.After the transformer output is connected resistive load, in output loop, have with the synchronous electric current of its output voltage and pass through, and be coupled through the electromagnetic induction of transformer, in the input winding of transformer, also have corresponding synchronous electric current and pass through.Because the voltage lead-circuit voltage ∏ of transformer I/O winding/2 jiaos, therefore, this induced current is lead-circuit voltage ∏/2 jiao also, promptly in the transformer input circuit, show as the capacitive character reactive current.Capacitive current can compensate with inductive current, thereby reaches purpose of energy saving.
The input winding of transformer also is the input winding of another autotransformer simultaneously, the charged capacitive load of its output.The voltage same-phase at transformer input winding two ends in the output voltage of autotransformer and the series resonant circuit.During the charged capacitive load of autotransformer output, according to electromagnetic induction principle, output end current can compensate the input electric current, thereby reaches the purpose of regulating circuit input current.
The invention has the beneficial effects as follows; Through regulating the phase angle of input/output voltage in the alternating current circuit; Make the meritorious consumption of electricity consumption circuitry change the reactive power consumption of input circuit into, reach purpose of energy saving through reactive power compensation again, its energy-saving efficiency is high, effect is remarkable.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further specified.
Fig. 1 is circuit theory diagrams of the present invention.
Fig. 2 is single phase circuit embodiment of the present invention.
Fig. 3 is three-phase circuit embodiment of the present invention.
1. transformers among the figure, 2. autotransformer, 3. transformer, autotransformer input winding, 4. mutual capacitance; 5. operating resistance, 6. Current Regulation electric capacity 7. starts electric capacity, 8. starting resistance; 9. Current Regulation electric capacity control switch 10. starts a way control switch, 11. reactive power compensation inductance.
Embodiment
In Fig. 1; Transformer/autotransformer input winding (3), mutual capacitance (4), operating resistance (5) series connection form are electrically connected; Startup electric capacity (a 7) electrical connection startup way control switch (10) is electrically connected with mutual capacitance (4) parallel form, starting resistance (8) electrical connection startup is propped up a way control switch (10) and is electrically connected with operating resistance (5) parallel form, and autotransformer (2) is exported winding and is electrically connected with Current Regulation electric capacity (6), Current Regulation electric capacity control switch (9).The electric current of Current Regulation branch road should be less than the resonance current of series resonant circuit.
In single phase circuit embodiment shown in Figure 2; Transformer/autotransformer input winding (3), mutual capacitance (4), operating resistance (5) are electrically connected with the series connection form; Startup electric capacity (a 7) electrical connection startup way control switch (10) is electrically connected with mutual capacitance (4) parallel connection, starting resistance (8) electrical connection startup is propped up a way control switch (10) and is electrically connected with operating resistance (5) parallel form, and autotransformer (2) output winding is electrically connected with Current Regulation electric capacity (6), Current Regulation electric capacity control switch (9).Reactive power compensation inductance (11) is electrically connected with parallel form with the economize on electricity branch road.
In three-phase circuit embodiment shown in Figure 3, three single-phase embodiment inputs, outputs are electrically connected with the Y-connection form respectively, and promptly the input of three single-phase electricity-saving appliances, output are electrically connected with the Y-connection form respectively.

Claims (1)

1. interchange electricity-saving appliance; Be electrically connected and form by mutual capacitance, startup electric capacity, reactive power compensation inductance, operating resistance, transformer, control device; Interchange electricity-saving appliance according to electromagnetic induction principle and spinulose tree fern time theorem work; It is characterized in that: mutual capacitance, operating resistance, transformer input winding are electrically connected with the series connection form, form series resonant circuit, are used for regulating the phase angle of alternating current circuit input/output voltage;
Transformer input winding, mutual capacitance, operating resistance are electrically connected with the series connection form successively; One termination of transformer input winding exchanges the input of electricity-saving appliance; One end of another termination mutual capacitance of transformer input winding; A be connected in series end of operating resistance of the other end of mutual capacitance; The other end of operating resistance connects the output that exchanges electricity-saving appliance, and startup electric capacity electrical connection a startup way control switch is electrically connected with the mutual capacitance parallel connection, a starting resistance electrical connection startup way control switch is electrically connected with the operating resistance parallel form, and transformer output winding is connected resistive load;
Transformer input winding also is the input winding of another autotransformer; One end of autotransformer output winding is connected in series with an end of Current Regulation electric capacity, the other end of Current Regulation electric capacity and an end of Current Regulation electric capacity control switch are connected in series, and the other end of Current Regulation electric capacity control switch is connected with the end that transformer is imported winding;
The reactive power compensation inductance is connected in parallel between the input and output that exchanges electricity-saving appliance.
CN2009100746552A 2009-06-04 2009-06-04 Alternating current phase modulation energy saver Expired - Fee Related CN101630843B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100746552A CN101630843B (en) 2009-06-04 2009-06-04 Alternating current phase modulation energy saver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100746552A CN101630843B (en) 2009-06-04 2009-06-04 Alternating current phase modulation energy saver

Publications (2)

Publication Number Publication Date
CN101630843A CN101630843A (en) 2010-01-20
CN101630843B true CN101630843B (en) 2012-07-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009100746552A Expired - Fee Related CN101630843B (en) 2009-06-04 2009-06-04 Alternating current phase modulation energy saver

Country Status (1)

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CN (1) CN101630843B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2758143Y (en) * 2004-11-10 2006-02-15 张文 25HZ rail circuit device having phase angle regulating function
CN1968546A (en) * 2005-11-15 2007-05-23 精工爱普生株式会社 Electrostatic transducer, driving circuit of capacitive load, method for setting circuit constant
US7499291B2 (en) * 2006-07-06 2009-03-03 Myongji University Industry And Academia Cooperation Foundation DC power transmission system of voltage source converter using pulse-interleaving auxiliary circuit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2758143Y (en) * 2004-11-10 2006-02-15 张文 25HZ rail circuit device having phase angle regulating function
CN1968546A (en) * 2005-11-15 2007-05-23 精工爱普生株式会社 Electrostatic transducer, driving circuit of capacitive load, method for setting circuit constant
US7499291B2 (en) * 2006-07-06 2009-03-03 Myongji University Industry And Academia Cooperation Foundation DC power transmission system of voltage source converter using pulse-interleaving auxiliary circuit

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