CN213023258U - High-power feedback direct current electronic load - Google Patents
High-power feedback direct current electronic load Download PDFInfo
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- CN213023258U CN213023258U CN202021678084.1U CN202021678084U CN213023258U CN 213023258 U CN213023258 U CN 213023258U CN 202021678084 U CN202021678084 U CN 202021678084U CN 213023258 U CN213023258 U CN 213023258U
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- voltage
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- electronic load
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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
Abstract
The utility model provides a high-power direct current electronic load that can repay, the high-power direct current electronic load that can repay includes voltage and current control regulator, dc-to-ac converter and the wave filter that links to each other, wherein, the output of voltage and current control regulator connection module under test accepts the direct current voltage of module under test output, controls the regulation then the output to voltage and electric current; the inverter receives the direct-current voltage output by the voltage and current control regulator and converts the direct-current voltage into alternating-current voltage for output; and the filter receives the pulse width modulation voltage output by the inverter for filtering and converts the pulse width modulation voltage into sine alternating current voltage which can be accepted by commercial power for output. The utility model discloses can repay the electric wire netting with the direct current electric energy who is surveyed module output, have 90% energy repayment to the electric wire netting under the mode of carrying out full power test, be a very energy-conserving electronic load.
Description
Technical Field
The utility model relates to an electronic load technical field, in particular to but high-power repayment direct current electronic load.
Background
At present, electronic loads sold in the market generally adopt a resistance type or an inductance type, wherein the resistance type converts all electric energy into heat to be consumed, and the inductance type consumes reactive power, so that a full-load test cannot be carried out. Therefore, improvements in existing electronic loads are needed.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies of the prior art, an object of the present invention is to provide a high-power feedback dc electronic load, which can not only fully load the test but also not waste the electric energy.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
a high-power feedback direct current electronic load comprises a voltage and current control regulator, an inverter and a filter which are connected, wherein the voltage and current control regulator is connected with the output end of a module to be tested, receives direct current voltage output by the module to be tested, controls and regulates voltage and current and then outputs the direct current voltage and the direct current voltage; the inverter receives the direct-current voltage output by the voltage and current control regulator and converts the direct-current voltage into alternating-current voltage for output; and the filter receives the pulse width modulation voltage output by the inverter for filtering and converts the pulse width modulation voltage into sine alternating current voltage which can be accepted by commercial power for output.
Further, the input voltage of the tested module is commercial power alternating-current voltage.
Further, the filter comprises a first inductance network, a second inductance network and a capacitance network, wherein the first inductance network and the second inductance network are connected, the capacitance network is connected between the first inductance network and the second inductance network, and the filter is used for filtering the pulse width modulation voltage output by the inverter.
The utility model relates to a high-power direct current electronic load that can repay, the high-power direct current electronic load that can repay includes voltage and current control regulator, dc-to-ac converter and the wave filter that links to each other, wherein, the output of voltage and current control regulator connection module under test accepts the direct current voltage of module under test output, controls the regulation then the output to voltage and electric current; the inverter receives the direct-current voltage output by the voltage and current control regulator and converts the direct-current voltage into alternating-current voltage for output; and the filter receives the pulse width modulation voltage output by the inverter for filtering and converts the pulse width modulation voltage into sine alternating current voltage which can be accepted by commercial power for output. The utility model discloses can repay the electric wire netting with the direct current electric energy who is surveyed module output, have 90% energy repayment to the electric wire netting under the mode of carrying out full power test, be a very energy-conserving electronic load.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an embodiment of the present invention showing an actual application of a high-power feedback dc electronic load.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention relates to a high-power feedback dc electronic load, which includes a voltage-current control regulator, an inverter and a filter connected to each other, wherein the voltage-current control regulator is connected to an output end of a module to be tested, receives a dc voltage output by the module to be tested, controls and regulates a voltage and a current, and then outputs the dc voltage and the current; the inverter receives the direct-current voltage output by the voltage and current control regulator and converts the direct-current voltage into alternating-current voltage for output; and the filter receives the pulse width modulation voltage output by the inverter for filtering and converts the pulse width modulation voltage into sine alternating current voltage which can be accepted by commercial power for output.
And the input voltage of the tested module is commercial power alternating-current voltage. The utility model discloses can repay the electric wire netting with the direct current electric energy who is surveyed module output, have 90% energy repayment to the electric wire netting under the mode of carrying out full power test, be a very energy-conserving electronic load.
Further, the filter comprises a first inductance network, a second inductance network and a capacitance network, wherein the first inductance network and the second inductance network are connected, the capacitance network is connected between the first inductance network and the second inductance network, and the filter is used for filtering the pulse width modulation voltage output by the inverter.
The utility model relates to a high-power direct current electronic load that can repay, the high-power direct current electronic load that can repay includes voltage and current control regulator, dc-to-ac converter and the wave filter that links to each other, wherein, the output of voltage and current control regulator connection module under test accepts the direct current voltage of module under test output, controls the regulation then the output to voltage and electric current; the inverter receives the direct-current voltage output by the voltage and current control regulator and converts the direct-current voltage into alternating-current voltage for output; and the filter receives the pulse width modulation voltage output by the inverter for filtering and converts the pulse width modulation voltage into sine alternating current voltage which can be accepted by commercial power for output. The utility model discloses can repay the electric wire netting with the direct current electric energy who is surveyed module output, have 90% energy repayment to the electric wire netting under the mode of carrying out full power test, be a very energy-conserving electronic load.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. The high-power feedback direct current electronic load is characterized by comprising a voltage and current control regulator, an inverter and a filter which are connected, wherein the voltage and current control regulator is connected with the output end of a module to be tested, receives direct current voltage output by the module to be tested, controls and regulates voltage and current and then outputs the direct current voltage and the direct current voltage; the inverter receives the direct-current voltage output by the voltage and current control regulator and converts the direct-current voltage into alternating-current voltage for output; and the filter receives the pulse width modulation voltage output by the inverter for filtering and converts the pulse width modulation voltage into a sinusoidal alternating current voltage acceptable by the commercial power for output.
2. The high-power feedback-able dc electronic load according to claim 1, wherein the input voltage of the module under test is a commercial ac voltage.
3. The high power reactive dc electronic load of claim 1, wherein the filter comprises a first inductor network, a second inductor network and a capacitor network connected between the first inductor network and the second inductor network for filtering the pwm voltage output from the inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021678084.1U CN213023258U (en) | 2020-08-13 | 2020-08-13 | High-power feedback direct current electronic load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021678084.1U CN213023258U (en) | 2020-08-13 | 2020-08-13 | High-power feedback direct current electronic load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213023258U true CN213023258U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021678084.1U Expired - Fee Related CN213023258U (en) | 2020-08-13 | 2020-08-13 | High-power feedback direct current electronic load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213023258U (en) |
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2020
- 2020-08-13 CN CN202021678084.1U patent/CN213023258U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 |