CN213023257U - High-power feedback alternating current electronic load - Google Patents
High-power feedback alternating current electronic load Download PDFInfo
- Publication number
- CN213023257U CN213023257U CN202021677829.2U CN202021677829U CN213023257U CN 213023257 U CN213023257 U CN 213023257U CN 202021677829 U CN202021677829 U CN 202021677829U CN 213023257 U CN213023257 U CN 213023257U
- Authority
- CN
- China
- Prior art keywords
- voltage
- current
- alternating
- output
- receives
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model provides a high-power alternating current electronic load capable of feeding back, which comprises a transformer, a rectifier, a voltage and current control regulator, an inverter and a filter which are connected, wherein the transformer is connected with the output end of a module to be tested, receives alternating voltage output by the module to be tested, and outputs the alternating voltage after isolation and boosting; the rectifier receives the alternating voltage output by the transformer and converts the alternating voltage into direct voltage to output; the voltage and current control regulator receives the direct-current voltage output by the rectifier, controls and regulates the voltage and the current and then outputs the voltage and the current; the inverter receives the voltage output by the voltage and current control regulator and converts the voltage into alternating current voltage for output; and the filter receives the alternating-current voltage output by the inverter, performs filtering, and generates and outputs a sine wave alternating-current voltage acceptable by the commercial power. The utility model discloses can repay the electric wire netting with the alternating current electric energy who is surveyed module output, have 85% energy repayment to the electric wire netting under the mode of carrying out full power test.
Description
Technical Field
The utility model relates to an electronic load technical field, in particular to high-power repayment exchanges 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 ac electronic load with feedback, which can be fully loaded with test and save electric energy.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
a high-power feedback alternating current electronic load comprises a transformer, a rectifier, a voltage and current control regulator, an inverter and a filter which are connected, wherein the transformer is connected with the output end of a module to be tested, receives alternating current voltage output by the module to be tested, and outputs the alternating current voltage after isolation and boosting; the rectifier receives the alternating voltage output by the transformer and converts the alternating voltage into direct voltage to output; the voltage and current control regulator receives the direct-current voltage output by the rectifier, controls and regulates the voltage and the current and then outputs the voltage and the current; the inverter receives the voltage output by the voltage and current control regulator and converts the voltage into alternating current voltage for output; and the filter receives the alternating-current voltage output by the inverter, performs filtering, and generates and outputs a sine wave alternating-current voltage acceptable by the commercial power.
Further, the input voltage of the tested module is commercial power alternating-current voltage.
Further, the transformer is a three-phase isolation alternating current transformer.
Further, the rectifier is a three-phase bridge rectifier.
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 waveform output by the inverter.
The utility model relates to a high-power alternating current electronic load that can repay, the alternating current electronic load that can repay of high-power includes transformer, rectifier, voltage current control regulator, dc-to-ac converter and the wave filter that links to each other, wherein, the output of module under test is connected to the transformer, accepts the alternating voltage of module under test output, exports alternating voltage after keeping apart to step up; the rectifier receives the alternating voltage output by the transformer and converts the alternating voltage into direct voltage to output; the voltage and current control regulator receives the direct-current voltage output by the rectifier, controls and regulates the voltage and the current and then outputs the voltage and the current; the inverter receives the voltage output by the voltage and current control regulator and converts the voltage into alternating current voltage for output; and the filter receives the alternating-current voltage output by the inverter, performs filtering, and generates and outputs a sine wave alternating-current voltage acceptable by the commercial power. The utility model discloses can repay the electric wire netting with the alternating current electric energy who is surveyed module output, have 85% 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, illustrating a practical application of a high-power ac electronic load capable of feeding back.
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.
Please refer to fig. 1, an embodiment of the present invention relates to a high-power feedback ac electronic load, which includes a transformer, a rectifier, a voltage-current control regulator, an inverter and a filter connected to each other, and a high-power feedback ac electronic load, which includes a transformer, a rectifier, a voltage-current control regulator, an inverter and a filter connected to each other, wherein the transformer is connected to an output terminal of a module under test, receives an ac voltage output from the module under test, and outputs an ac voltage after isolation and boosting; the rectifier receives the alternating voltage output by the transformer and converts the alternating voltage into direct voltage to output; the voltage and current control regulator receives the direct-current voltage output by the rectifier, controls and regulates the voltage and the current and then outputs the voltage and the current; the inverter receives the voltage output by the voltage and current control regulator and converts the voltage into alternating current voltage for output; and the filter receives the alternating-current voltage output by the inverter, performs filtering, and generates and outputs a sine wave alternating-current voltage acceptable by the commercial power.
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 alternating current electric energy who is surveyed module output, have 85% 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 transformer is a three-phase isolation transformer.
Further, the rectifier is a three-phase bridge rectifier.
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 waveform output by the inverter.
The utility model relates to a high-power alternating current electronic load that can repay, high-power alternating current electronic load that can repay includes transformer, rectifier, voltage current control regulator, dc-to-ac converter and the wave filter that links to each other, wherein, the output of module under test is connected to the transformer, accepts the alternating voltage of module under test output, exports alternating voltage after keeping apart to step up; the rectifier receives the alternating voltage output by the transformer and converts the alternating voltage into direct voltage to output; the voltage and current control regulator receives the direct-current voltage output by the rectifier, controls and regulates the voltage and the current and then outputs the voltage and the current; the inverter receives the voltage output by the voltage and current control regulator and converts the voltage into alternating current voltage for output; and the filter receives the alternating-current voltage output by the inverter, performs filtering, and generates and outputs a sine wave alternating-current voltage acceptable by the commercial power. The utility model discloses can repay the electric wire netting with the alternating current electric energy who is surveyed module output, have 85% 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 (5)
1. The high-power feedback alternating current electronic load is characterized by comprising a transformer, a rectifier, a voltage and current control regulator, an inverter and a filter which are connected, wherein the transformer is connected with the output end of a module to be tested, receives alternating current voltage output by the module to be tested, and outputs the alternating current voltage after isolation and boosting; the rectifier receives the alternating voltage output by the transformer and converts the alternating voltage into direct voltage to output; the voltage and current control regulator receives the direct-current voltage output by the rectifier, controls and regulates the voltage and the current and then outputs the voltage and the current; the inverter receives the voltage output by the voltage and current control regulator and converts the voltage into alternating current voltage for output; and the filter receives the alternating-current voltage output by the inverter, performs filtering, and generates and outputs a sine wave alternating-current voltage acceptable by the commercial power.
2. The high-power regenerative ac electronic load according to claim 1, wherein the input voltage of the module under test is the ac voltage of the utility power.
3. The high power regenerative ac electronic load according to claim 1, wherein the transformer is a three-phase ac isolation transformer.
4. The high power regenerative ac electronic load according to claim 1, wherein the rectifier is a three-phase bridge rectifier.
5. The high power regenerative ac 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 to filter the pwm waveform output by the inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021677829.2U CN213023257U (en) | 2020-08-13 | 2020-08-13 | High-power feedback alternating current electronic load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021677829.2U CN213023257U (en) | 2020-08-13 | 2020-08-13 | High-power feedback alternating current electronic load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213023257U true CN213023257U (en) | 2021-04-20 |
Family
ID=75465450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021677829.2U Expired - Fee Related CN213023257U (en) | 2020-08-13 | 2020-08-13 | High-power feedback alternating current electronic load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213023257U (en) |
-
2020
- 2020-08-13 CN CN202021677829.2U patent/CN213023257U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1808832B (en) | Circuit apparatus applicable to middle and high power UPS | |
| US5734562A (en) | Power factor correction circuit | |
| CN101783532B (en) | Induction electricity getting device for high-voltage power transmission line | |
| CN100563086C (en) | Active bi-directional electric power adjuster | |
| CN102025145B (en) | Bidirectional chopper-based direct current active power filter and control method thereof | |
| CN108377102A (en) | A method of reducing capacitance in monophasic pulses if load AC-DC power supplys | |
| Villarejo et al. | Optimizing the design of single-stage power-factor correctors | |
| CN103607108A (en) | Transformer primary side multi-stage passive clamp circuit of full-bridge single-stage power factor corrector | |
| CN108418422B (en) | Power supply system compatible with single-phase and three-phase input | |
| CN204167914U (en) | A kind of energy back feed device and marine generator stress test system | |
| Ayres et al. | A family of converters for UPS production burn-in energy recovery | |
| CN206824794U (en) | Intermediate-frequency transformer magnetic saturation Waveform controller | |
| CN102255356B (en) | Efficient uninterruptible power supply | |
| CN203775041U (en) | Alternating-current power source based on dual voltage rectifying and BOOST circuits | |
| CN213023257U (en) | High-power feedback alternating current electronic load | |
| CN213023258U (en) | High-power feedback direct current electronic load | |
| CN101521468B (en) | High-frequency three-phase medium-voltage power supply rectifier | |
| Belaguli et al. | A hybrid resonant converter operated as a low harmonic rectifier with and without active control | |
| CN205142045U (en) | Photovoltaic transfer circuit and photovoltaic power equipment | |
| CN107134934A (en) | A kind of Passively compensated low harmony wave 12 pulsating wave self coupling transformer rectifier circuit | |
| Zhou et al. | Research on Bidirectional On-board Charging System Based on Three-Phase Wye-Wye Connected CLLLC Resonant Converter | |
| CN203219215U (en) | Solar energy system comprising power optimizing apparatus | |
| CN206649096U (en) | The load testing circuit of alternating current-direct current frequency converter | |
| CN208063051U (en) | A kind of Switching Power Supply of photovoltaic DC-to-AC converter | |
| de Almeida et al. | Modulation technique for a single-stage three-phase bidirectional AC/DC converter with PFC and high-frequency isolation |
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 |