CN102035207B - High-voltage electric power-saving equipment - Google Patents
High-voltage electric power-saving equipment Download PDFInfo
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- CN102035207B CN102035207B CN2011100032757A CN201110003275A CN102035207B CN 102035207 B CN102035207 B CN 102035207B CN 2011100032757 A CN2011100032757 A CN 2011100032757A CN 201110003275 A CN201110003275 A CN 201110003275A CN 102035207 B CN102035207 B CN 102035207B
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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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- 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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Abstract
The invention discloses high-voltage electric power-saving equipment. The high-voltage electric power-saving equipment comprises a main circuit, an electromagnetic compensation circuit, a power-saving through control circuit, an exciting voltage and current adjusting and controlling circuit, a power-saving gear conversion control circuit and a power-saving gear command switching circuit, wherein the electromagnetic compensation circuit is connected with the main circuit; the power-saving through control circuit controls the working state of the main circuit; the exciting voltage and current adjusting and controlling circuit changes exciting voltage and exciting current of the electromagnetic compensation circuit; the power-saving gear conversion control circuit controls the gear of the exciting voltage and current adjusting and controlling circuit; and the power-saving gear command switching circuit controls the power-saving gear conversion control circuit to select a proper power-saving operating gear. In the equipment, power supply parameters of a high-voltage power supply are optimized, the utilization ratios of power supply quality and electric energy are improved, and impact current at the start of a dynamic load or an inductive load and surge current and harmonic waves in operation are suppressed and reduced, so that electric energy is saved, power saving rate is generally between 5 and 30 percent, the service life of the power-saving equipment can be prolonged, and the expenditures of excess electricity cost and equipment maintenance and replacement cost are reduced.
Description
Technical field
The present invention relates to a kind of energy-saving device, relate in particular to a kind of high-voltage electric power-saving equipment.
Background technology
The generation of electricity and application are one of greatest science and technology achievements on human history.Electric power is being brought into play more and more important effect as the secondary energy sources that clean most and use at present most convenient aspect promotion social development, advance science technological progress and raising people's living standard.But along with the development of productivity progress and the modernization of industry, the speed of world energy consumption is also more and more faster, and considerably beyond population growth's speed, and coal, oil, these main energy sources of natural gas are non-renewable.According to world energy sources tissue (IEA), according to the present rate of economic development, expectation world energy sources reserves can only be used decades again, and the energy has arrived very severe stage, energy savings has been the significant problem of mankind's facing, has caused the great attention of countries in the world government.
The conservation of power resource is energy-conservation important content, over nearly 30 years, and China's electricity shortage, supply falls short of demand, and the imbalance between supply and demand of the energy has become the key factor of restriction Chinese society doctrine economic construction and production development.For this reason, the Chinese government energy savings as its long-term this state basic policy of China, State Council has proposed the policy of " save with exploitation and lay equal stress on; saving is put in the first place " and " paying much attention to energy savings and raw material; improve the level of resources utilization " from the height of strategy and the overall situation, and made " about strengthening the decision of energy conservation " and reduced the binding indicator of 20% left and right in GDP efficiency the Eleventh Five-Year Plan period, call whole people's electrical energy saving, energy-saving and emission-reduction development low-carbon economy is built a conservation-minded society.
In the total load of most area electrical network, asynchronous motor accounts for 85% of total output load, in industry, approximately there are 1,200,000,000 motors in China in operation, power consumption accounts for 70% of whole commercial power, accounts for 60% of national total electricity consumption, becomes to be limited by the maximum bottleneck of energy starved.Use in the energy rich and influential family in major part, the gross power of high-voltage electric equipment accounts for 70% of low-pressure electric equipment, and therefore, the energy-conservation of high-voltage electric equipment just seems more important.
But the electricity-saving function of high-voltage electric equipment is single at present, the weak effect of economizing on energy and electricity, and increasing along with the high pressure nonlinear load, the harmonic wave interference problem of puzzlement low voltage electric network also manifests day by day at high-voltage fence, the existence of harmonic wave can affect whole power grid environment, it not only can affect the normal operation of equipment, and makes the power consumption equipment in utility network produce additional harmonic loss, has reduced the efficient of power consumption equipment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind ofly can optimize power supply parameter in ac high-voltage electrical network 3KV, 6KV or 10KV electric power system; burning voltage and electric current; reduce surge current and impulse current; suppress the generation of harmonic wave; improve the high voltage supply quality; thereby reduce loss and the waste of the unnecessary electric energy of high-voltage electric equipment, improve utilization rate of electrical, and the high-voltage electric equipment battery saving arrangement that increases the service life of protection equipment.
For solving the problems of the technologies described above, technical scheme of the present invention is: high-voltage electric power-saving equipment, comprise main circuit, the electromagnetic compensation circuit that is connected with described main circuit, the straight-through control circuit of economize on electricity that also comprises the operating state of controlling described main circuit, change the exciting voltage of described electromagnetic compensation circuit, the exciting voltage electric current circuit for regulating and controlling of electric current, control the economize on electricity gear conversion control circuit of described exciting voltage electric current circuit for regulating and controlling gear, control the economize on electricity gear command switch circuit that described economize on electricity gear conversion control circuit is selected suitable power-saving running gear.
As preferred technical scheme, described main circuit comprises put-through channel, and described put-through channel comprises the third high pressure vacuum contactor main contact that is connected between three-phase high-voltage power supply input terminal and three-phase high-voltage power output end; Described main circuit also comprises the economize on electricity passage, described economize on electricity passage comprises the first high-pressure vacuum contactor main contact that input is connected with three-phase high-voltage power supply input terminal, the second high-pressure vacuum contactor main contact that output is connected with three-phase high-voltage power output end is serially connected with described electromagnetic compensation circuit between the input of the output of described the first high-pressure vacuum contactor main contact and described the second high-pressure vacuum contactor main contact.
as preferred technical scheme, the first electromagnetic compensation device on described electromagnetic compensation circuit comprises between the input of the output that is connected to described the first high-pressure vacuum contactor main contact and described the second high-pressure vacuum contactor main contact, the second electromagnetic compensation device, the 3rd electromagnetic compensation device, described the first electromagnetic compensation device, described the second electromagnetic compensation device, described the 3rd electromagnetic compensation device comprises the three-phase high-voltage main winding that is connected between described the first high-pressure vacuum contactor main contact and described the second high-pressure vacuum contactor main contact and the excitation winding corresponding with described three-phase high-voltage main winding respectively, the end of described excitation winding connects with the output of corresponding described three-phase high-voltage main winding, described excitation winding comprises respectively the first tap, the second tap, the 3rd tap, described each first tap, the second tap, the 3rd tap is connected respectively described exciting voltage electric current circuit for regulating and controlling.
as to improvement of the technical scheme, the straight-through control circuit of described economize on electricity comprises the low-voltage air switch that is connected with the low-tension supply input terminal, the output of described low-voltage air switch is connected with stop button, the other end of described stop button is connected with the economize on electricity start button, the dynamic circuit connector auxiliary contact of the first high-pressure vacuum contactor, straight-through start button, third high is pressed the dynamic circuit connector auxiliary contact of vacuum contactor, be connected with third high after the dynamic circuit connector auxiliary contact parallel connection of described economize on electricity start button and described the first high-pressure vacuum contactor and press the dynamic circuit breaker auxiliary contact of vacuum contactor, described third high presses the other end of the dynamic circuit breaker auxiliary contact of vacuum contactor to be connected with the economize on electricity indicator light, the control coil of the first high-pressure vacuum contactor, the control coil of the second high-pressure vacuum contactor, described economize on electricity indicator light, the control coil of described the first high-pressure vacuum contactor, be connected with the output of described low-voltage air switch after the other end parallel connection of the control coil of described the second high-pressure vacuum contactor, described straight-through start button, after pressing the other end of the dynamic circuit connector auxiliary contact of vacuum contactor to connect, described third high is connected with the dynamic circuit breaker auxiliary contact of the first high-pressure vacuum contactor, the dynamic circuit breaker auxiliary contact other end of described the first high-pressure vacuum contactor is connected with straight-through indicator light, third high is pressed the control coil of vacuum contactor, described straight-through indicator light, described third high presses the in parallel rear of control coil of vacuum contactor to be connected with the output of described low-voltage air switch.
as to improvement of the technical scheme, described exciting voltage electric current circuit for regulating and controlling comprises the first tap of input and described the first electromagnetic compensation device, the first tap of described the second electromagnetic compensation device, the main contact of the 4th high-pressure vacuum contactor that the first tap of described the 3rd electromagnetic compensation device connects, the second tap of input and described the first electromagnetic compensation device, the second tap of described the second electromagnetic compensation device, the main contact of the 5th high-pressure vacuum contactor that the second tap of described the 3rd electromagnetic compensation device connects, the 3rd tap of input and described the first electromagnetic compensation device, the 3rd tap of described the second electromagnetic compensation device, the main contact of the 6th high-pressure vacuum contactor that the 3rd tap of described the 3rd electromagnetic compensation device connects, the main contact of described the 4th high-pressure vacuum contactor, the main contact of described the 5th high-pressure vacuum contactor, the main contact output of described the 6th high-pressure vacuum contactor links together.
as to further improvement in the technical proposal, described economize on electricity gear conversion control circuit comprises the moving contact of the first auxiliary relay that is connected with described low-voltage air switch output, the normally-closed contact of first auxiliary relay corresponding with the moving contact of described the first auxiliary relay is connected with the first dynamic circuit breaker auxiliary contact of the 5th high-pressure vacuum contactor, the first dynamic circuit breaker auxiliary contact other end of described the 5th high-pressure vacuum contactor is connected with the first dynamic circuit breaker auxiliary contact of the 6th high-pressure vacuum contactor, the first dynamic circuit breaker auxiliary contact of described the 6th high-pressure vacuum contactor is connected with the control coil of the 3rd indicator light and the 4th high-pressure vacuum contactor, described the 3rd indicator light be connected the other end of control coil of the 4th high-pressure vacuum contactor and connect back described low-voltage air switch output, the normally opened contact of the first auxiliary relay that the moving contact of described the first auxiliary relay is corresponding is connected with the moving contact of the second auxiliary relay, the normally closed interlock of second auxiliary relay corresponding with the moving contact of described the second auxiliary relay is connected with the first dynamic circuit breaker auxiliary contact of the 4th high-pressure vacuum contactor, the first dynamic circuit breaker auxiliary contact other end of described the 4th high-pressure vacuum contactor is connected with the second dynamic circuit breaker auxiliary contact of the 6th high-pressure vacuum contactor, the second dynamic circuit breaker auxiliary contact of described the 6th high-pressure vacuum contactor is connected with the control coil of the 4th indicator light and the 5th high-pressure vacuum contactor, described the 4th indicator light be connected the other end of control coil of the 5th high-pressure vacuum contactor and connect back described low-voltage air switch output, the normally open contact of second auxiliary relay corresponding with the moving contact of described the second auxiliary relay is connected with the second dynamic circuit breaker auxiliary contact of the 4th high-pressure vacuum contactor, the second dynamic circuit breaker auxiliary contact other end of described the 4th high-pressure vacuum contactor is connected with the second dynamic circuit breaker auxiliary contact of the 5th high-pressure vacuum contactor, the second dynamic circuit breaker auxiliary contact of described the 5th high-pressure vacuum contactor is connected with the control coil of the 5th indicator light and the 6th high-pressure vacuum contactor, described the 5th indicator light be connected the other end of control coil of the 6th high-pressure vacuum contactor and connect back described low-voltage air switch output.
as to further improvement in the technical proposal, described economize on electricity gear command switch circuit comprises the first resistance that is connected with described low-voltage air switch output, the first change over switch, the second dpdt double-pole double-throw (DPDT) change over switch, described the first resistance is connected with the first light-emitting diode anode tap, the cathode terminal of described the first light-emitting diode and the control coil that is connected with the first auxiliary relay after the other end of described the first change over switch is connected, the other end of the control coil of described the first auxiliary relay is connected to described low-voltage air switch output, the first end terminal of described the second dpdt double-pole double-throw (DPDT) change over switch one side, the second end line post connects described low-voltage air switch output simultaneously, the 3rd public intermediate ends terminal and described first change over switch of described the second dpdt double-pole double-throw (DPDT) change over switch, the first light-emitting diode cathode terminal, the control coil link of described the first auxiliary relay connects, the 3rd five terminal terminal corresponding to public intermediate ends terminal of described the second dpdt double-pole double-throw (DPDT) change over switch is connected with the second resistance, the described second resistance other end is connected with the anode tap of the second light-emitting diode, the cathode terminal of described the second light-emitting diode is connected to described low-voltage air switch output, the 4th public intermediate ends terminal of described the second dpdt double-pole double-throw (DPDT) change over switch is connected with the end of control coil of the second auxiliary relay and an end of the 3rd resistance, described the 3rd resistance other end is connected with the anode tap of the 3rd light-emitting diode, the other end of the control coil of described the second auxiliary relay be connected the cathode terminal of the 3rd light-emitting diode and connect and to get back to described low-voltage air switch output.
As to further improvement in the technical proposal, the three-phase high-voltage main winding of described the first electromagnetic compensation device, the second electromagnetic compensation device, the 3rd electromagnetic compensation device and respectively the excitation winding corresponding with described three-phase high-voltage main winding be integrated, be produced on an iron core.
Owing to having adopted technique scheme, described main circuit is connected described electromagnetic compensation circuit, described electromagnetic compensation circuit is equivalent to a filtering device, can play filter action, when electrical equipment moves, but the electric energy loss that reducing harmonics and clutter cause, but and the generation of surge current and transition in limiting circuitry.Another important function of described electromagnetic compensation circuit is, when the too high off-rating of line voltage or fluctuation, control described economize on electricity gear conversion control circuit by described economize on electricity gear command switch circuit and select suitable power-saving running gear, described economize on electricity gear conversion control circuit is controlled described exciting voltage electric current circuit for regulating and controlling gear, change the magnetic saturation degree of depth of described electromagnetic compensation circuit, make the terminal voltage that is added in on electric loading rationally be adjusted.In addition, when three phase supply, but the components and parts interphase interaction autobalance voltage between phases of described electromagnetic compensation circuit reduced due to imbalance of three-phase voltage, particularly during line load, and the electric energy loss that causes is improved power supplying efficiency.In sum, by above control procedure, optimized the power supply parameter of high-voltage suppling power, the quality of power supply and the utilance of electric energy have been improved, suppress and the impulse current when having reduced power or inductive load and starting and the generation of operating surge current and harmonic wave, thereby saved electric energy, power saving rate is generally 5%～30%, and can extend the useful life of power consumption equipment, reduce the expenditure of the unnecessary electricity charge and maintain and replace cost of equipment.
Description of drawings
Fig. 1 is the theory diagram of the embodiment of the present invention;
Fig. 2 is the electrical schematic diagram of the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, further set forth the present invention.In the following detailed description, only by the mode of explanation, some one exemplary embodiment of the present invention has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that without departing from the spirit and scope of the present invention, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used for the protection range of restriction claim.
As depicted in figs. 1 and 2, high-voltage electric power-saving equipment, comprise main circuit, the electromagnetic compensation circuit that is connected with described main circuit, the straight-through control circuit of economize on electricity that also comprises the operating state of controlling described main circuit, change the exciting voltage of described electromagnetic compensation circuit, the exciting voltage electric current circuit for regulating and controlling of electric current, control the economize on electricity gear conversion control circuit of described exciting voltage electric current circuit for regulating and controlling gear, control the economize on electricity gear command switch circuit that described economize on electricity gear conversion control circuit is selected suitable power-saving running gear.
Described main circuit comprises put-through channel, and described put-through channel comprises the third high pressure vacuum contactor KM3 main contact that is connected between three-phase high-voltage power supply input terminal and three-phase high-voltage power output end; Described main circuit also comprises the economize on electricity passage, described economize on electricity passage comprises the first high-pressure vacuum contactor KM1 main contact that input is connected with three-phase high-voltage power supply input terminal, the second high-pressure vacuum contactor KM2 main contact that output is connected with three-phase high-voltage power output end is serially connected with described electromagnetic compensation circuit between the input of the output of described the first high-pressure vacuum contactor KM1 main contact and described the second high-pressure vacuum contactor KM2 main contact.
the first electromagnetic compensation device TA on described electromagnetic compensation circuit comprises between the input of the output that is connected to described the first high-pressure vacuum contactor main contact and described the second high-pressure vacuum contactor main contact, the second electromagnetic compensation device TB, the 3rd electromagnetic compensation device TC, described the first electromagnetic compensation device TA, described the second electromagnetic compensation device TB, described the 3rd electromagnetic compensation device TC comprises the three-phase high-voltage main winding that is connected between described the first high-pressure vacuum contactor KM1 main contact and described the second high-pressure vacuum contactor KM2 main contact and the excitation winding corresponding with described three-phase high-voltage main winding respectively, the end of described excitation winding connects with the output of corresponding described three-phase high-voltage main winding, described excitation winding comprises respectively the first tap (A1, B1, C1), the second tap (A2, B2, C2), the 3rd tap (A3, B3, C3), described each first tap (A1, B1, C1), the second tap (A2, B2, C2), the 3rd tap (A3, B3, C3) be connected respectively described exciting voltage electric current circuit for regulating and controlling.
the straight-through control circuit of described economize on electricity comprises the low-voltage air switch QF that is connected with the low-tension supply input terminal, the output of described low-voltage air switch QF is connected with stop button SB1, the other end of described stop button SB1 is connected with economize on electricity start button SB2, the dynamic circuit connector auxiliary contact KM1-1 of the first high-pressure vacuum contactor, straight-through start button SB3, third high is pressed the dynamic circuit connector auxiliary contact KM3-1 of vacuum contactor, be connected with third high after the dynamic circuit connector auxiliary contact KM1-1 parallel connection of described economize on electricity start button SB2 and described the first high-pressure vacuum contactor and press the dynamic circuit breaker auxiliary contact KM3-2 of vacuum contactor, described third high presses the other end of the dynamic circuit breaker auxiliary contact KM3-2 of vacuum contactor to be connected with economize on electricity indicator light HL1, the control coil of the first high-pressure vacuum contactor KM1, the control coil of the second high-pressure vacuum contactor KM2, described economize on electricity indicator light HL1, the control coil of described the first high-pressure vacuum contactor KM1, be connected with the output of described low-voltage air switch QF after the other end parallel connection of the control coil of described the second high-pressure vacuum contactor KM2, described straight-through start button SB3, after pressing the other end of the dynamic circuit connector auxiliary contact KM3-1 of vacuum contactor to connect, described third high is connected with the dynamic circuit breaker auxiliary contact KM1-2 of the first high-pressure vacuum contactor, the dynamic circuit breaker auxiliary contact KM1-2 other end of described the first high-pressure vacuum contactor is connected with straight-through indicator light HL2, third high is pressed the control coil of vacuum contactor KM3, described straight-through indicator light HL2, described third high presses the in parallel rear of control coil of vacuum contactor KM3 to be connected with the output of described low-voltage air switch QF.
described exciting voltage electric current circuit for regulating and controlling comprises the first tap A1 of input and described the first electromagnetic compensation device, the first tap B1 of described the second electromagnetic compensation device, the main contact of the 4th high-pressure vacuum contactor KM4 that the first tap C1 of described the 3rd electromagnetic compensation device connects, the second tap A2 of input and described the first electromagnetic compensation device, the second tap B2 of described the second electromagnetic compensation device, the main contact of the 5th high-pressure vacuum contactor KM5 that the second tap C2 of described the 3rd electromagnetic compensation device connects, the 3rd tap A3 of input and described the first electromagnetic compensation device, the 3rd tap B3 of described the second electromagnetic compensation device, the main contact of the 6th high-pressure vacuum contactor KM6 that the 3rd tap C3 of described the 3rd electromagnetic compensation device connects, the main contact of described the 4th high-pressure vacuum contactor KM4, the main contact of described the 5th high-pressure vacuum contactor KM5, the main contact output of described the 6th high-pressure vacuum contactor KM6 links together.
described economize on electricity gear conversion control circuit comprises the moving contact of the first auxiliary relay KA1 that is connected with described low-voltage air switch QF output, the normally-closed contact of the first auxiliary relay KA1 corresponding with the moving contact of described the first auxiliary relay KA1 is connected with the first dynamic circuit breaker auxiliary contact KM5-1 of the 5th high-pressure vacuum contactor, the first dynamic circuit breaker auxiliary contact KM5-1 other end of described the 5th high-pressure vacuum contactor is connected with the first dynamic circuit breaker auxiliary contact KM6-1 of the 6th high-pressure vacuum contactor, the first dynamic circuit breaker auxiliary contact KM6-1 of described the 6th high-pressure vacuum contactor is connected with the control coil of the 3rd indicator light HL3 and the 4th high-pressure vacuum contactor KM4, described the 3rd indicator light HL3 be connected the other end of control coil of the 4th high-pressure vacuum contactor KM4 and connect back described low-voltage air switch QF output, the normally opened contact of the first auxiliary relay KA1 that the moving contact of described the first auxiliary relay KA1 is corresponding is connected with the moving contact of the second auxiliary relay KA2, the normally closed interlock of second auxiliary relay corresponding with the moving contact of described the second auxiliary relay KA2 is connected with the first dynamic circuit breaker auxiliary contact KM4-1 of the 4th high-pressure vacuum contactor, the first dynamic circuit breaker auxiliary contact KM4-1 other end of described the 4th high-pressure vacuum contactor is connected with the second dynamic circuit breaker auxiliary contact KM6-2 of the 6th high-pressure vacuum contactor, the second dynamic circuit breaker auxiliary contact KM6-2 of described the 6th high-pressure vacuum contactor is connected with the control coil of the 4th indicator light HL4 and the 5th high-pressure vacuum contactor KM5, described the 4th indicator light HL4 be connected the other end of control coil of the 5th high-pressure vacuum contactor KM5 and connect back described low-voltage air switch QF output, the normally open contact of second auxiliary relay corresponding with the moving contact of described the second auxiliary relay KA2 is connected with the second dynamic circuit breaker auxiliary contact KM4-2 of the 4th high-pressure vacuum contactor, the second dynamic circuit breaker auxiliary contact KM4-2 other end of described the 4th high-pressure vacuum contactor is connected with the second dynamic circuit breaker auxiliary contact KM5-2 of the 5th high-pressure vacuum contactor, the second dynamic circuit breaker auxiliary contact KM5-2 of described the 5th high-pressure vacuum contactor is connected with the control coil of the 5th indicator light HL5 and the 6th high-pressure vacuum contactor KM6, described the 5th indicator light HL5 be connected the other end of control coil of the 6th high-pressure vacuum contactor KM6 and connect back described low-voltage air switch QF output.
described economize on electricity gear command switch circuit comprises the first resistance R 1 that is connected with described low-voltage air switch QF output, the first change over switch Q1, the second dpdt double-pole double-throw (DPDT) change over switch Q2, described the first resistance R 1 is connected with the first LED 1 anode tap, the cathode terminal of described the first LED 1 and the control coil that is connected with the first auxiliary relay KA1 after the other end of described the first change over switch Q1 is connected, the other end of the control coil of described the first auxiliary relay KA1 is connected to described low-voltage air switch QF output, the first end terminal of described the second dpdt double-pole double-throw (DPDT) change over switch Q2 one side, the second end line post connects described low-voltage air switch QF output simultaneously, the 3rd public intermediate ends terminal of described the second dpdt double-pole double-throw (DPDT) change over switch Q2 and described the first change over switch Q1, the first LED 1 cathode terminal, the control coil link of described the first auxiliary relay KA1 connects, the 3rd five terminal terminal corresponding to public intermediate ends terminal of described the second dpdt double-pole double-throw (DPDT) change over switch Q2 is connected with the second resistance R 2, described second resistance R 2 other ends are connected with the anode tap of the second LED 2, the cathode terminal of described the second LED 2 is connected to described low-voltage air switch QF output, the 4th public intermediate ends terminal of described the second dpdt double-pole double-throw (DPDT) change over switch is connected with the end of control coil of the second auxiliary relay KA2 and an end of the 3rd resistance R 3, described the 3rd resistance R 3 other ends are connected with the anode tap of the 3rd LED 3, the other end of the control coil of described the second auxiliary relay KA2 be connected the cathode terminal of the 3rd LED 3 and connect and to get back to described low-voltage air switch QF output.
The three-phase high-voltage main winding of described the first electromagnetic compensation device TA, the second electromagnetic compensation device TB, the 3rd electromagnetic compensation device TC and respectively the excitation winding corresponding with described three-phase high-voltage main winding be integrated, be produced on an iron core.
The described put-through channel of the access high-voltage fence of described main circuit is controlled described third high by the straight-through control circuit of described economize on electricity and is pressed vacuum contactor KM3 main contact to be responsible for the break-make of described put-through channel.The described economize on electricity passage of the access high-voltage fence of described main circuit, formed by described the first high-pressure vacuum contactor KM1 main contact and described the second high-pressure vacuum contactor KM2 main contact, its effect is to be responsible for the on-off in economize on electricity loop under the control of the straight-through control circuit of described economize on electricity.
be connected in series the described electromagnetic compensation circuit between the first high-pressure vacuum contactor KM1 main contact and the second high-pressure vacuum contactor KM2 main contact, by the first electromagnetic compensation device TA, the second electromagnetic compensation device TB, the 3rd electromagnetic compensation device TC forms, the electromagnetic compensation device has two groups of windings, one is described three-phase high-voltage main winding, another part is excitation winding, namely assist winding, described electromagnetic compensation circuit Main Function is: the saturation depth that changes excitation by changing tap position on described excitation winding, thereby change the impedance of described three-phase high-voltage main winding, adjust and optimize the parameter of high voltage supply, make electronic load reduce the loss of unnecessary electric energy, and can extend useful life of power consumption equipment.On the other hand, three windings are owing to being produced on an iron core, when electricity consumption, exchange, interact by electromagnetism, but autobalance voltage between phases, minimizing is due to the uneven waste of energy that causes of output voltage, and described three-phase high-voltage main winding can also play the effect that suppresses surge and harmonic wave raising power factor.
the straight-through control circuit effect of described economize on electricity is: connection or the pipe of controlling the straight-through control circuit of described economize on electricity by described stop button SB1 are disconnected, when described stop button SB1 connects, press described economize on electricity start button SB2, the control coil of described the first high-pressure vacuum contactor KM1, the control coil energising of the second high-pressure vacuum contactor KM2, described economize on electricity indicator light HL1 lights and is shown as economize on electricity passage operating state, the dynamic circuit connector auxiliary contact KM1-1 of described the first high-pressure vacuum contactor is closed, the dynamic circuit breaker auxiliary contact KM1-2 of described the first high-pressure vacuum contactor disconnects simultaneously, described third high is pressed the control coil outage of vacuum contactor KM3, at this moment control the connection of the economize on electricity passage of described main circuit, when pressing described straight-through start button SB3, third high is pressed the control coil energising of vacuum contactor KM3, the bright put-through channel operating state that is shown as of described straight-through indicator light HL2, described third high presses the dynamic circuit connector auxiliary contact KM3-1 of vacuum contactor closed, simultaneously described third high presses the dynamic circuit breaker auxiliary contact KM3-2 of vacuum contactor to disconnect, the control coil outage of the control coil of described the first high-pressure vacuum contactor KM1, the second high-pressure vacuum contactor KM2, described economize on electricity passage quits work.
Exciting voltage electric current circuit for regulating and controlling comprises the main contact of the 4th high-pressure vacuum contactor KM4, the main contact of the 5th high-pressure vacuum contactor KM5, the main contact of the 6th high-pressure vacuum contactor KM6, when the main contact of described the 4th high-pressure vacuum contactor KM4 is closed, the first tap C1 place in circuit of the first tap A1 of described the first electromagnetic compensation device, the first tap B1 of described the second electromagnetic compensation device, described the 3rd electromagnetic compensation device; When the main contact of described the 5th high-pressure vacuum contactor KM5 is closed, the second tap C2 place in circuit of the second tap A2 of described the first electromagnetic compensation device, the second tap B2 of described the second electromagnetic compensation device, described the 3rd electromagnetic compensation device; When the main contact of described the 6th high-pressure vacuum contactor KM6 is closed, the 3rd tap C3 place in circuit of the 3rd tap A3 of described the first electromagnetic compensation device, the 3rd tap B3 of described the second electromagnetic compensation device, described the 3rd electromagnetic compensation device, the effect of described exciting voltage electric current circuit for regulating and controlling are exactly to adjust the position of controlling excitation winding tap described in described electromagnetic compensation circuit to control exciting voltage and the electric current that it is fit to.
When the normally-closed contact of the first auxiliary relay KA1 of described economize on electricity gear conversion control circuit is closed, the first dynamic circuit breaker auxiliary contact KM5-1 of described the 5th high-pressure vacuum contactor is closed, the first dynamic circuit breaker auxiliary contact KM6-1 of described the 6th high-pressure vacuum contactor is closed, the control coil energising of the 4th high-pressure vacuum contactor KM4, described the 3rd indicator light HL3 lights, and the main contact of the 4th high-pressure vacuum contactor KM4 is closed; When the normally opened contact closure of the first auxiliary relay KA1, the normally closed interlock closure of the second auxiliary relay, the first dynamic circuit breaker auxiliary contact KM4-1 of the 4th high-pressure vacuum contactor is closed, the second dynamic circuit breaker auxiliary contact KM6-2 of described the 6th high-pressure vacuum contactor is closed, the control coil energising of the 5th high-pressure vacuum contactor KM5, the 4th indicator light HL4 lights, and the main contact of described the 5th high-pressure vacuum contactor KM5 is closed; When the normally opened contact closure of the first auxiliary relay KA1, the normally open contact closure of the second auxiliary relay, the second dynamic circuit breaker auxiliary contact KM4-2 of described the 4th high-pressure vacuum contactor is closed, the second dynamic circuit breaker auxiliary contact KM5-2 of described the 5th high-pressure vacuum contactor is closed, the control coil energising of the 6th high-pressure vacuum contactor KM6, described the 5th indicator light HL5 is lit, and the main contact of the 6th high-pressure vacuum contactor KM6 is closed; The effect of described economize on electricity gear conversion control circuit is exactly the operating position according to described the first auxiliary relay KA1, described the second auxiliary relay KA2 contact, one of them adhesive of control coil of the control coil of the control coil of described the 4th high-pressure vacuum contactor KM4, described the 5th high-pressure vacuum contactor KM5, described the 6th high-pressure vacuum contactor KM6; Remaining two disconnection is connected described the first electromagnetic compensation device TA, the second electromagnetic compensation device TB, the 3rd electromagnetic compensation device TC excitation winding tap by the main contact of the main contact of the main contact of the 4th high-pressure vacuum contactor KM4, described the 5th high-pressure vacuum contactor KM5, described the 6th high-pressure vacuum contactor KM6.
the effect of described economize on electricity gear command switch circuit is: by described the first change over switch Q1, the dislocation of the second dpdt double-pole double-throw (DPDT) change over switch Q2, control adhesive or the disconnection of the control coil of the control coil of described the first auxiliary relay KA1 or the second auxiliary relay KA2, control described the first auxiliary relay KA1, the operating position of described the second auxiliary relay KA2 contact, select suitable power-saving running gear, when the economize on electricity gear is connected, described the first LED 1, described the second LED 2, corresponding will being lit of described the 3rd LED 3.
Above demonstration and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. high-voltage electric power-saving equipment, comprise main circuit, the electromagnetic compensation circuit that is connected with described main circuit, it is characterized in that: the straight-through control circuit of economize on electricity that also comprises the operating state of controlling described main circuit, change the exciting voltage of described electromagnetic compensation circuit, the exciting voltage electric current circuit for regulating and controlling of electric current, control the economize on electricity gear conversion control circuit of described exciting voltage electric current circuit for regulating and controlling gear, control the economize on electricity gear command switch circuit that described economize on electricity gear conversion control circuit is selected suitable power-saving running gear;
Described main circuit comprises put-through channel, and described put-through channel comprises the third high pressure vacuum contactor main contact that is connected between three-phase high-voltage power supply input terminal and three-phase high-voltage power output end; Described main circuit also comprises the economize on electricity passage, described economize on electricity passage comprises the first high-pressure vacuum contactor main contact that input is connected with three-phase high-voltage power supply input terminal, the second high-pressure vacuum contactor main contact that output is connected with three-phase high-voltage power output end is serially connected with described electromagnetic compensation circuit between the input of the output of described the first high-pressure vacuum contactor main contact and described the second high-pressure vacuum contactor main contact;
the first electromagnetic compensation device on described electromagnetic compensation circuit comprises between the input of the output that is connected to described the first high-pressure vacuum contactor main contact and described the second high-pressure vacuum contactor main contact, the second electromagnetic compensation device, the 3rd electromagnetic compensation device, described the first electromagnetic compensation device, described the second electromagnetic compensation device, described the 3rd electromagnetic compensation device comprises the three-phase high-voltage main winding that is connected between described the first high-pressure vacuum contactor main contact and described the second high-pressure vacuum contactor main contact and the excitation winding corresponding with described three-phase high-voltage main winding respectively, the end of described excitation winding connects with the output of corresponding described three-phase high-voltage main winding, described excitation winding comprises respectively the first tap, the second tap, the 3rd tap, described each first tap, the second tap, the 3rd tap is connected respectively described exciting voltage electric current circuit for regulating and controlling,
the straight-through control circuit of described economize on electricity comprises the low-voltage air switch that is connected with the low-tension supply input terminal, the output of described low-voltage air switch is connected with stop button, the other end of described stop button is connected with the economize on electricity start button, the dynamic circuit connector auxiliary contact of the first high-pressure vacuum contactor, straight-through start button, third high is pressed the dynamic circuit connector auxiliary contact of vacuum contactor, be connected with third high after the dynamic circuit connector auxiliary contact parallel connection of described economize on electricity start button and described the first high-pressure vacuum contactor and press the dynamic circuit breaker auxiliary contact of vacuum contactor, described third high presses the other end of the dynamic circuit breaker auxiliary contact of vacuum contactor to be connected with the economize on electricity indicator light, the control coil of the first high-pressure vacuum contactor, the control coil of the second high-pressure vacuum contactor, described economize on electricity indicator light, the control coil of described the first high-pressure vacuum contactor, be connected with the output of described low-voltage air switch after the other end parallel connection of the control coil of described the second high-pressure vacuum contactor, described straight-through start button, after pressing the other end of the dynamic circuit connector auxiliary contact of vacuum contactor to connect, described third high is connected with the dynamic circuit breaker auxiliary contact of the first high-pressure vacuum contactor, the dynamic circuit breaker auxiliary contact other end of described the first high-pressure vacuum contactor is connected with straight-through indicator light, third high is pressed the control coil of vacuum contactor, described straight-through indicator light, described third high presses the in parallel rear of control coil of vacuum contactor to be connected with the output of described low-voltage air switch.
2. high-voltage electric power-saving equipment as claimed in claim 1, it is characterized in that: described exciting voltage electric current circuit for regulating and controlling comprises the first tap of input and described the first electromagnetic compensation device, the first tap of described the second electromagnetic compensation device, the main contact of the 4th high-pressure vacuum contactor that the first tap of described the 3rd electromagnetic compensation device connects, the second tap of input and described the first electromagnetic compensation device, the second tap of described the second electromagnetic compensation device, the main contact of the 5th high-pressure vacuum contactor that the second tap of described the 3rd electromagnetic compensation device connects, the 3rd tap of input and described the first electromagnetic compensation device, the 3rd tap of described the second electromagnetic compensation device, the main contact of the 6th high-pressure vacuum contactor that the 3rd tap of described the 3rd electromagnetic compensation device connects, the main contact of described the 4th high-pressure vacuum contactor, the main contact of described the 5th high-pressure vacuum contactor, the main contact output of described the 6th high-pressure vacuum contactor links together.
3. high-voltage electric power-saving equipment as claimed in claim 2, it is characterized in that: described economize on electricity gear conversion control circuit comprises the moving contact of the first auxiliary relay that is connected with described low-voltage air switch output, the normally-closed contact of first auxiliary relay corresponding with the moving contact of described the first auxiliary relay is connected with the first dynamic circuit breaker auxiliary contact of the 5th high-pressure vacuum contactor, the first dynamic circuit breaker auxiliary contact other end of described the 5th high-pressure vacuum contactor is connected with the first dynamic circuit breaker auxiliary contact of the 6th high-pressure vacuum contactor, the first dynamic circuit breaker auxiliary contact of described the 6th high-pressure vacuum contactor is connected with the control coil of the 3rd indicator light and the 4th high-pressure vacuum contactor, described the 3rd indicator light be connected the other end of control coil of the 4th high-pressure vacuum contactor and connect back described low-voltage air switch output, the normally opened contact of the first auxiliary relay that the moving contact of described the first auxiliary relay is corresponding is connected with the moving contact of the second auxiliary relay, the normally closed interlock of second auxiliary relay corresponding with the moving contact of described the second auxiliary relay is connected with the first dynamic circuit breaker auxiliary contact of the 4th high-pressure vacuum contactor, the first dynamic circuit breaker auxiliary contact other end of described the 4th high-pressure vacuum contactor is connected with the second dynamic circuit breaker auxiliary contact of the 6th high-pressure vacuum contactor, the second dynamic circuit breaker auxiliary contact of described the 6th high-pressure vacuum contactor is connected with the control coil of the 4th indicator light and the 5th high-pressure vacuum contactor, described the 4th indicator light be connected the other end of control coil of the 5th high-pressure vacuum contactor and connect back described low-voltage air switch output, the normally open contact of second auxiliary relay corresponding with the moving contact of described the second auxiliary relay is connected with the second dynamic circuit breaker auxiliary contact of the 4th high-pressure vacuum contactor, the second dynamic circuit breaker auxiliary contact other end of described the 4th high-pressure vacuum contactor is connected with the second dynamic circuit breaker auxiliary contact of the 5th high-pressure vacuum contactor, the second dynamic circuit breaker auxiliary contact of described the 5th high-pressure vacuum contactor is connected with the control coil of the 5th indicator light and the 6th high-pressure vacuum contactor, described the 5th indicator light be connected the other end of control coil of the 6th high-pressure vacuum contactor and connect back described low-voltage air switch output.
4. high-voltage electric power-saving equipment as claimed in claim 3, it is characterized in that: described economize on electricity gear command switch circuit comprises the first resistance that is connected with described low-voltage air switch output, the first change over switch, the second dpdt double-pole double-throw (DPDT) change over switch, described the first resistance is connected with the first light-emitting diode anode tap, the cathode terminal of described the first light-emitting diode and the control coil that is connected with the first auxiliary relay after the other end of described the first change over switch is connected, the other end of the control coil of described the first auxiliary relay is connected to described low-voltage air switch output, the first end terminal of described the second dpdt double-pole double-throw (DPDT) change over switch one side, the second end line post connects described low-voltage air switch output simultaneously, the 3rd public intermediate ends terminal and described first change over switch of described the second dpdt double-pole double-throw (DPDT) change over switch, the first light-emitting diode cathode terminal, the control coil link of described the first auxiliary relay connects, the 3rd five terminal terminal corresponding to public intermediate ends terminal of described the second dpdt double-pole double-throw (DPDT) change over switch is connected with the second resistance, the described second resistance other end is connected with the anode tap of the second light-emitting diode, the cathode terminal of described the second light-emitting diode is connected to described low-voltage air switch output, the 4th public intermediate ends terminal of described the second dpdt double-pole double-throw (DPDT) change over switch is connected with the end of control coil of the second auxiliary relay and an end of the 3rd resistance, described the 3rd resistance other end is connected with the anode tap of the 3rd light-emitting diode, the other end of the control coil of described the second auxiliary relay be connected the cathode terminal of the 3rd light-emitting diode and connect and to get back to described low-voltage air switch output.
5. high-voltage electric power-saving equipment as claimed in claim 4, it is characterized in that: the three-phase high-voltage main winding of described the first electromagnetic compensation device, the second electromagnetic compensation device, the 3rd electromagnetic compensation device and respectively the excitation winding corresponding with described three-phase high-voltage main winding be integrated, be produced on an iron core.
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| CN2011100032757A CN102035207B (en) | 2011-01-10 | 2011-01-10 | High-voltage electric power-saving equipment |
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| CN2011100032757A CN102035207B (en) | 2011-01-10 | 2011-01-10 | High-voltage electric power-saving equipment |
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| CN104979832A (en) * | 2015-06-19 | 2015-10-14 | 中山顺富节能科技有限公司 | Two-phase four-wire power saving system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388550A (en) * | 2008-10-20 | 2009-03-18 | 山东瑞斯电子科技有限公司 | Intelligent building electricity saving and distributing apparatus |
| CN201365125Y (en) * | 2009-01-12 | 2009-12-16 | 戴如宏 | High-voltage electricity-saving voltage regulator |
| CN201928027U (en) * | 2011-01-10 | 2011-08-10 | 山东瑞斯高创股份有限公司 | High voltage power-driven electricity saving device |
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| JP4044533B2 (en) * | 2004-03-30 | 2008-02-06 | 三菱電機株式会社 | Switching device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388550A (en) * | 2008-10-20 | 2009-03-18 | 山东瑞斯电子科技有限公司 | Intelligent building electricity saving and distributing apparatus |
| CN201365125Y (en) * | 2009-01-12 | 2009-12-16 | 戴如宏 | High-voltage electricity-saving voltage regulator |
| CN201928027U (en) * | 2011-01-10 | 2011-08-10 | 山东瑞斯高创股份有限公司 | High voltage power-driven electricity saving device |
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| Title |
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| JP特开2005-287192A 2005.10.13 |
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