CN109921431A - A kind of industrial energy-saving device using supercapacitor - Google Patents
A kind of industrial energy-saving device using supercapacitor Download PDFInfo
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- CN109921431A CN109921431A CN201910291559.7A CN201910291559A CN109921431A CN 109921431 A CN109921431 A CN 109921431A CN 201910291559 A CN201910291559 A CN 201910291559A CN 109921431 A CN109921431 A CN 109921431A
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- switch
- filter
- supercapacitor
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- capacitor component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Inverter Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of industrial energy-saving devices using supercapacitor; including transformer T, control switch, LC filter one, super-capacitor component Cn, LC filter two and bypass protection derailing switch; super-capacitor component Cn is made of AC/DC rectifier, DC/DC converter, DC/AC inverter, supercapacitor and interior control unit, and control switch is by multiple groups main switch Sn and auxiliary switch SfN composition, auxiliary switch SfN connection AC/DC rectifier, main switch Sn connection DC/AC inverter, main switch Sn and super-capacitor component Cn form the discharge circuit of supercapacitor, auxiliary switch SfN and super-capacitor component Cn forms charging circuit.Supercapacitor is introduced industrial economize on electricity field for the first time by the present invention, and the voltage of load end is adjusted using the charge/discharge circuit of supercapacitor, and plays the role of controlling main circuit total watt current during pressure regulation, to improve power factor.
Description
Technical field
The present invention relates to industrial electricity-saving appliance technical fields more particularly to a kind of industry using supercapacitor to economize on electricity and set
It is standby.
Background technique
Existing industry electricity-saving appliance is all based on Principles of Reactive Compensation, and the basic principle of reactive power compensation is with appearance
Property power load device and inductive load be connected in parallel in the line, when capacitive load releases energy, inductive load
Absorb energy；And inductive load when releasing energy capacitive load intercoursed in two kinds of loads absorbing energy, energy, just
In this way, being compensated in the power that the Partial Power that inductive load is absorbed can be exported by capacitive load, here it is the benefits of power
Repay principle.
So most common industry electricity-saving appliance is generally equivalent to capacitor, but common condenser voltage characteristic is poor, resistance to
Voltage capability is poor, short-circuit reaction is relatively slow, even has the side effect of higher hamonic wave circuit in amplification power grid, thus needs to install and connect
The safeguard measures such as tentaculum.
In general, existing reactive compensation means still in a manner of increasing reactive power based on, to electrically activating or
The voltage fluctuation problem generated when closing does not solve always, thus existing industrial electricity-saving appliance has certain power savings, but its
Power savings are only limitted to improve the reactive power factor and reduce line loss, nothing inadequate to the equipment protection dynamics of user terminal
Method reaches better energy-saving effect, it would be highly desirable to improve.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of of proposition uses supercapacitor
Industrial energy-saving device.
To achieve the goals above, present invention employs following technical solutions:
A kind of industrial energy-saving device using supercapacitor, including transformer T, control switch, LC filter one, super capacitor
Component Cn, LC filter two and bypass protection derailing switch, super-capacitor component Cn is by AC/DC rectifier, DC/DC converter, DC/
AC inverter, supercapacitor and interior control unit composition, control switch is by multiple groups main switch Sn and auxiliary switch SfN composition is every
The corresponding super-capacitor component Cn of one group of control switch, (n is positive integer)；
For bypass protection derailing switch on the stand-by circuit between power grid feeder ear and user terminal, power grid feeder ear and user are whole
Main circuit setting transformer T, control switch and LC filter one between end, the primary side of transformer T are electrically connected at LC filtering
One end of device one, one other end of LC filter connect user terminal, and the primary side of transformer T is connected in parallel auxiliary switch SfN, transformation
Secondary side one end of device T is electrically connected LC filter two, and secondary side one end of transformer T is electrically connected LC filter two, transformer T's
The secondary side other end is electrically connected main switch Sn；
Each super-capacitor component Cn is connected in series by multiple supercapacitors, in parallel between different super-capacitor component Cn
Setting；
The auxiliary switch SfN electric connection AC/DC rectifier, the main switch Sn electric connection DC/AC inverter, each group
Main switch Sn and super-capacitor component Cn forms the discharge circuit of supercapacitor, each group of auxiliary switch SfN and super capacitor
The charging circuit of component Cn formation supercapacitor.
Preferably, a pair of opposite polarity contactor is provided in bypass protection derailing switch.
Further, the contactor in bypass protection derailing switch is specially insulated gate bipolar transistor (IGBT).
Further, bypass protection derailing switch is also connected with release and short-circuit air switch.
Preferably, the interior control unit of super-capacitor component Cn is specially Pwm controller (PWM controller).
Preferably, main switch Sn and auxiliary switch SfN is silicon controlled crystal brake pipe.
Preferably, LC filter one is specifically bandpass filter, and LC filter two is specifically all-pass filter.
Compared with prior art, the beneficial effects of the present invention are:
1. often using the Reactive Compensation Mode of capacitor electricity-saving appliance are as follows: offset inductive using capacitive power；The present invention has root with this
This difference provides a large amount of capacitive powers, supercapacitor electric discharge when consumption main circuit watt current when supercapacitor charges
When supplement main circuit watt current when and as supplement power supply, both of which can be improved the reactive power of main circuit, simultaneously
It can play a part of to adjust voltage and energy storage.
2. the characteristics of present invention is much larger than ordinary capacitor using the stored energy capacitance and density of supercapacitor, passes through transformation
Supercapacitor, is introduced into industrial circuits, and with super electricity by the control processing of device T, control switch, LC filter two for the first time
Container is used as the battery of energy storage and the capacitor of reactive compensation to use simultaneously；The present invention is by adjusting supercapacitor discharge/charge
The DC voltage of circuit, by the alternating current that is transformed into of AC/DC rectifier, DC/DC converter and DC/AC inverter, then via
In the feedback to main circuit of LC filter two, to realize the process of adjustment main circuit voltage, and there is control during pressure regulation
The effect of the total watt current of main circuit processed, to improve power factor.
3. in the present invention, LC filter one, LC filter two and bypass protection derailing switch play a part of to protect main circuit,
LC filter one and LC filter two can play the role of reactive power compensation, further increase with capacitor simultaneously
Power factor.
Detailed description of the invention
Fig. 1 is a kind of composed structure block diagram of the industrial energy-saving device using supercapacitor proposed by the present invention；
Fig. 2 is a kind of circuit diagram of the industrial energy-saving device using supercapacitor proposed by the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-2, a kind of industrial energy-saving device using supercapacitor, including transformer T, control switch, LC filter
Wave device one, super-capacitor component Cn, LC filter two and bypass protection derailing switch, super-capacitor component Cn by AC/DC rectifier,
DC/DC converter, DC/AC inverter, supercapacitor and interior control unit composition, control switch is by multiple groups main switch Sn and auxiliary
Help switch SfN forms the corresponding super-capacitor component Cn of each group of control switch, (n is positive integer)；Bypass protection derailing switch
Main circuit setting on stand-by circuit between power grid feeder ear and user terminal, between power grid feeder ear and user terminal
Transformer T, control switch and LC filter one, the primary side of transformer T are electrically connected at one end of LC filter one, LC filter
One other end connects user terminal, and the primary side of transformer T is connected in parallel auxiliary switch SfSecondary side one end of n, transformer T electrically connect
LC filter two is connect, secondary side one end of transformer T is electrically connected LC filter two, and the secondary side other end of transformer T is electrically connected
Main switch Sn；Each super-capacitor component Cn is connected in series by multiple supercapacitors, different super-capacitor component Cn it
Between be arranged in parallel；The auxiliary switch SfN is electrically connected AC/DC rectifier, and the main switch Sn is electrically connected DC/AC inversion
Device, each group of main switch Sn and super-capacitor component Cn form the discharge circuit of supercapacitor, each group of auxiliary switch SfN and
The charging circuit of super-capacitor component Cn formation supercapacitor.
Referring to Fig.1-2, a pair of opposite polarity contactor is provided in bypass protection derailing switch, further, bypass is protected
Contactor in shield derailing switch is specially insulated gate bipolar transistor (IGBT), and it is disconnected that bypass protection derailing switch is also connected with overload
Road device and short-circuit air switch, bypass are used to protect main circuit, prevent overload and short circuit and voltage instability to the shadow of main circuit
It rings, plays the first protective effect again.
Preferably, the interior control unit of super-capacitor component Cn is specially Pwm controller (PWM controller),
Main switch Sn and auxiliary switch SfN is silicon controlled crystal brake pipe.
Preferably, LC filter one is specifically bandpass filter, and LC filter two is specifically all-pass filter, bandpass filtering
Device is used to filter the miscellaneous peak in mains-power circuit, plays the voltage stability of protection user terminal, and all-pass filter is used to super electricity
The voltage signal that the charge/discharge circuit of container generates is merged with the voltage signal of main circuit；LC filter one and LC simultaneously
Filter two can play the role of reactive power compensation, improve power factor with capacitor.
The working principle of the invention: when user's main circuit under-voltage, the DC voltage in super-capacitor component Cn is lower, auxiliary
Help switch SfN opens and enables AC/DC rectifier, to charge to super-capacitor component Cn, until DC voltage restores just
Constant value absorbs total watt current of main circuit system during this pressure regulation, while generating capacitive power again, to improve power
The factor；When user's main circuit overvoltage, the DC voltage in super-capacitor component Cn is higher, and main switch Sn is opened, and enables DC/
AC inverter, to discharge super-capacitor component Cn, until DC voltage restores normal value, to main electricity during this pressure regulation
Road system provides watt current, reduces the watt current that directly absorbs from power grid feeder ear of user terminal, also improve power because
Son；The present invention is by adjusting the DC voltage of supercapacitor charge/discharge circuit, by AC/DC rectifier, DC/DC converter
And DC/AC inverter is transformed into alternating current, then via in the feedback to main circuit of LC filter two, to realize the main electricity of adjustment
The process of road voltage, and play the role of controlling main circuit total watt current during pressure regulation, to improve power factor.
Use example of the invention: it before the booting of workshop, opens main switch Sn and enables DC/AC inverter, super capacitor group
Part Cn starts to discharge, and the current feedback in super-capacitor component Cn is switched on again at this time into main circuit, and supercapacitor is put
The electric current of electricity can make up for it the deficiency of the electric current in power grid, avoid workshop appliance starting insufficient and caused by damage；It shut down in workshop
Before, open auxiliary switch SfN simultaneously enables AC/DC rectifier, and super-capacitor component Cn is started to charge, and from main circuit current drawn
And energy, it shuts down again at this time, shuts down power network fluctuation caused by a moment and taken away by super-capacitor component Cn, and eliminate current surges
Trailing phenomenon, further protect main circuit.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of industrial energy-saving device using supercapacitor, including transformer T, control switch, LC filter one, super electricity
Hold component Cn, LC filter two and bypass protection derailing switch, which is characterized in that the super-capacitor component Cn is rectified by AC/DC
Device, DC/DC converter, DC/AC inverter, supercapacitor and interior control unit composition, the control switch are opened by multiple groups master
Close Sn and auxiliary switch SfN forms the corresponding super-capacitor component Cn of each group of control switch, (n is positive integer)；
The bypass protection derailing switch is on the stand-by circuit between power grid feeder ear and user terminal, power grid feeder ear and use
Main circuit setting transformer T, control switch and LC filter one between the terminal of family, the primary side of the transformer T are electrically connected
In one end of LC filter one, one other end of LC filter connects user terminal, and the primary side of the transformer T is connected in parallel
Auxiliary switch SfSecondary side one end of n, the transformer T are electrically connected LC filter two, and secondary side one end of the transformer T is electrical
LC filter two is connected, the secondary side other end of the transformer T is electrically connected main switch Sn；
Each described super-capacitor component Cn is connected in series by multiple supercapacitors, the different super-capacitor component Cn
Between be arranged in parallel；
The auxiliary switch SfN electric connection AC/DC rectifier, the main switch Sn electric connection DC/AC inverter, each group
The main switch Sn and super-capacitor component Cn forms the discharge circuit of supercapacitor, auxiliary switch S described in each groupfN and
The charging circuit of super-capacitor component Cn formation supercapacitor.
2. a kind of industrial energy-saving device using supercapacitor according to claim 1, which is characterized in that the bypass
A pair of opposite polarity contactor is provided in protective switch device.
3. a kind of industrial energy-saving device using supercapacitor according to claim 2, which is characterized in that the bypass
Contactor in protective switch device is specially insulated gate bipolar transistor (IGBT).
4. a kind of industrial energy-saving device using supercapacitor according to claim 3, which is characterized in that the bypass
Protective switch device is also connected with release and short-circuit air switch.
5. a kind of industrial energy-saving device using supercapacitor according to claim 1, which is characterized in that described super
The interior control unit of capacitance component Cn is specially Pwm controller (PWM controller).
6. a kind of industrial energy-saving device using supercapacitor according to claim 1, which is characterized in that the master opens
Close Sn and auxiliary switch SfN is silicon controlled crystal brake pipe.
7. a kind of industrial energy-saving device using supercapacitor according to claim 1, which is characterized in that the LC filter
Wave device one is specifically bandpass filter, and the LC filter two is specifically all-pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910291559.7A CN109921431A (en) | 2019-04-12 | 2019-04-12 | A kind of industrial energy-saving device using supercapacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910291559.7A CN109921431A (en) | 2019-04-12 | 2019-04-12 | A kind of industrial energy-saving device using supercapacitor |
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| Publication Number | Publication Date |
|---|---|
| CN109921431A true CN109921431A (en) | 2019-06-21 |
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ID=66969557
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910291559.7A Withdrawn CN109921431A (en) | 2019-04-12 | 2019-04-12 | A kind of industrial energy-saving device using supercapacitor |
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| CN (1) | CN109921431A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112410801A (en) * | 2021-01-22 | 2021-02-26 | 四川大学 | Water electrolysis hydrogen production system of current source type PWM rectifier and control method |
-
2019
- 2019-04-12 CN CN201910291559.7A patent/CN109921431A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112410801A (en) * | 2021-01-22 | 2021-02-26 | 四川大学 | Water electrolysis hydrogen production system of current source type PWM rectifier and control method |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190621 |
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| WW01 | Invention patent application withdrawn after publication |