CN215222038U - Cascade high-power magnet pulse power supply based on super capacitor energy storage - Google Patents
Cascade high-power magnet pulse power supply based on super capacitor energy storage Download PDFInfo
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- CN215222038U CN215222038U CN202120714315.8U CN202120714315U CN215222038U CN 215222038 U CN215222038 U CN 215222038U CN 202120714315 U CN202120714315 U CN 202120714315U CN 215222038 U CN215222038 U CN 215222038U
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Abstract
The utility model belongs to the technical field of power electronics, concretely relates to cascade high-power magnet pulse power supply based on super capacitor energy storage. The utility model comprises a diode rectifier, a current-limiting resistor, a switch, a super capacitor, a load, a diode rectifier, a super capacitor and a load, which are connected in parallel in sequence, wherein one end of the diode rectifier is connected with an alternating current AC, a parallel circuit of the diode rectifier and the super capacitor is provided with the current-limiting resistor, the switch and a closed switch, and the alternating current AC charges the super capacitor; the switch is disconnected, and the super capacitor discharges to the load; the super capacitor further comprises a diode, and the diode is connected between the super capacitor and the load in parallel. The utility model discloses simple structure, the output is stable, but modular production, and is with low costs, can carry out the module according to the actual demand simultaneously and expand, and practical value is high, can be applied to various occasions.
Description
Technical Field
The utility model belongs to the technical field of power electronics, concretely relates to cascade high-power magnet pulse power supply based on super capacitor energy storage.
Background
Most of the existing high-power pulse power supplies are directly supplied by a power grid, the requirement on electric energy of the power grid side is high, and meanwhile, the fluctuation and distortion of the power grid side can influence the post-stage output effect.
The traditional high-power pulse power supply is large and heavy, and has the advantages of small output pulse frequency range, difficult control and high cost.
Meanwhile, because the high-power magnet pulse power supply works in a pulse mode, energy can be effectively stored in the super capacitor during a pulse gap period, and the super capacitor benefits from the advantage of high discharge speed of the super capacitor during a pulse duration period, so that the super capacitor is quick for a later stage, and the rising rate of the power supply current is effectively ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a:
the cascaded high-power magnet pulse power supply based on the super capacitor energy storage is simple in structure, stable in output, capable of being produced in a modularized mode, low in cost, capable of being expanded according to actual requirements, high in practical value and capable of being applied to various occasions.
The utility model adopts the technical proposal that:
a cascade high-power magnet pulse power supply based on super-capacitor energy storage comprises a diode rectifier, a current-limiting resistor, a switch, a super-capacitor and a load,
the diode rectifier, the super capacitor and the load are sequentially connected in parallel, one end of the diode rectifier is connected with an Alternating Current (AC), a parallel circuit of the diode rectifier and the super capacitor is provided with a current-limiting resistor and a switch, the switch is closed, and the AC charges the super capacitor;
and the switch is disconnected, and the super capacitor discharges to the load.
The super capacitor further comprises a diode, and the diode is connected between the super capacitor and the load in parallel.
The diodes are reversely connected in parallel, namely the anode of the super capacitor is connected with the cathode of the diode, and the cathode of the super capacitor is connected with the anode of the diode and is reversely connected in parallel.
And an IGBT is arranged on a parallel circuit of the super capacitor and the diode.
The diode rectifier is a three-phase uncontrollable rectifier, and the alternating current is converted into direct current and then is charged to the super capacitor through the current limiting resistor and the switch.
The turn-on time interval of the IGBT is T/N, overvoltage caused by errors of turn-on time of the IGBT can be effectively avoided, T is the reciprocal of the switching frequency of the IGBT, and N is the number of the IGBT.
The variation of the load 7 size is achieved by series-parallel connection of the modules.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) the utility model provides a cascade high-power magnet pulse power supply based on super capacitor energy storage can export great electric current, provides instantaneous high-power, and the super capacitor's that is used for the energy storage simultaneously power density can reach ten times of traditional electric capacity, can effectual improvement electric energy quality, and super capacitor self loss is little simultaneously, can relapse charge-discharge ten thousand times, and charge-discharge efficiency is high.
(2) The utility model provides a cascade high-power magnet pulse power supply based on super capacitor energy storage belongs to the modular structure, can add or reduce corresponding module according to the load demand, and the pulse frequency range can be according to the demand and change wantonly, and the production of modular can effective reduce cost simultaneously.
(3) The utility model provides a cascade high-power magnet pulse power supply based on super capacitor energy storage, small, easy control adopt super capacitor to carry out the energy storage, and super capacitor charge-discharge time is fast, and response speed is fast, can effectively improve the electric current rate of rise.
The super capacitor has long service life and small self loss, can be repeatedly charged and discharged circularly, and the charging and discharging times can reach ten thousand.
(4) The utility model provides a cascade high-power magnet pulse power supply based on super capacitor energy storage adopts a plurality of modules to establish ties, can increase or reduce the module according to the different demands of load, can change output frequency, has the scalability.
Drawings
Fig. 1 is a schematic structural diagram of a cascaded high-power magnet pulse power supply based on super capacitor energy storage according to the present invention;
in the figure: the circuit comprises a 1-diode rectifier, a 2-current limiting resistor, a 3-switch, a 4-super capacitor, a 5-IGBT, a 6-diode and a 7-load.
Detailed Description
The present invention provides a cascaded high-power magnet pulse power supply based on super capacitor energy storage, which is described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1, the cascaded high-power magnet pulse power supply based on super capacitor energy storage provided by the present invention comprises a diode rectifier 1, a current limiting resistor 2, a switch 3, a super capacitor 4, an IGBT5, a diode 6, a load 7,
alternating current AC is connected with a diode rectifier 1, the output end of the diode rectifier 1 is connected with a current limiting resistor 2 in series, then is connected with a switch 3 in series, then is connected with a super capacitor 4 in parallel, then is connected with an IGBT5 in series, then is connected with a diode 6 in reverse parallel, and then is connected with a load 7 in parallel.
The diode rectifier 1 is a three-phase uncontrollable rectifier, and converts alternating current into direct current and charges the super capacitor 4 through the current limiting resistor 2 and the switch 3.
When the super capacitor 4 is charged, the switch 3 is closed.
When the load 7 is put into operation, the switch 3 is turned off, the IGBT5 is turned on, and the supercapacitor 4 discharges to the load 7 through the IGBT 5.
The conduction time interval of the N-path IGBT5 is T/N (wherein T is the reciprocal of the switching frequency of the IGBT5, and N is the number of the IGBTs 5), so that overvoltage caused by errors of the conduction time of the IGBT5 can be effectively avoided.
Example 2
This example differs from example 1 in that:
the diode 6 is connected with the load 7 in reverse parallel, and when residual energy exists on the load 7, the energy is released through the diode 6, so that the load 7 is prevented from reversely charging the super capacitor 4.
When the demand of the load 7 changes, the series-parallel connection of the modules can be realized, and the conversion and the improvement (such as increasing the number of the modules, changing the connection mode of the modules, increasing the number of components and parts, etc.) can be performed according to the actual operation conditions, and all the conversion and the improvement belong to the protection scope of the appended claims of the present invention.
The above description is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept thereof equally within the technical scope disclosed in the present invention, and all the modifications should be covered within the protection scope of the present invention.
Claims (6)
1. A cascaded high-power magnet pulse power supply based on super capacitor energy storage is characterized in that: the power supply comprises a diode rectifier (1), a current-limiting resistor (2), a switch (3), a super capacitor (4) and a load (7), wherein the diode rectifier (1), the super capacitor (4) and the load (7) are sequentially connected in parallel, one end of the diode rectifier (1) is connected with an Alternating Current (AC), the current-limiting resistor (2) and the switch (3) are arranged on a parallel circuit of the diode rectifier (1) and the super capacitor (4), the switch (3) is closed, and the Alternating Current (AC) charges the super capacitor (4); the switch (3) is turned off, and the super capacitor (4) discharges to the load (7).
2. The cascaded high-power magnet pulse power supply based on super-capacitor energy storage as claimed in claim 1, wherein: the high-voltage power supply also comprises a diode (6), wherein the diode (6) is connected between the super capacitor (4) and the load (7) in parallel.
3. The cascaded high-power magnet pulse power supply based on super-capacitor energy storage as claimed in claim 2, wherein: the diode (6) is reversely connected in parallel, namely the anode of the super capacitor (4) is connected with the cathode of the diode (6), and the cathode of the super capacitor (4) is connected with the anode of the diode (6) in reverse parallel.
4. The cascaded high-power magnet pulse power supply based on super-capacitor energy storage as claimed in claim 3, wherein: and an IGBT (5) is arranged on a parallel circuit of the super capacitor (4) and the diode (6).
5. The cascaded high-power magnet pulse power supply based on super-capacitor energy storage as claimed in claim 1, wherein: the diode rectifier (1) is a three-phase uncontrollable rectifier, and the alternating current is converted into direct current and then is charged to the super capacitor (4) through the current limiting resistor (2) and the switch (3).
6. The cascaded high-power magnet pulse power supply based on super-capacitor energy storage as claimed in claim 4, wherein: the turn-on time interval of the IGBTs (5) is T/N, T is the reciprocal of the switching frequency of the IGBTs (5), and N is the number of the IGBTs (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120714315.8U CN215222038U (en) | 2021-04-08 | 2021-04-08 | Cascade high-power magnet pulse power supply based on super capacitor energy storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120714315.8U CN215222038U (en) | 2021-04-08 | 2021-04-08 | Cascade high-power magnet pulse power supply based on super capacitor energy storage |
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| Publication Number | Publication Date |
|---|---|
| CN215222038U true CN215222038U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120714315.8U Active CN215222038U (en) | 2021-04-08 | 2021-04-08 | Cascade high-power magnet pulse power supply based on super capacitor energy storage |
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| CN (1) | CN215222038U (en) |
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2021
- 2021-04-08 CN CN202120714315.8U patent/CN215222038U/en active Active
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