CN218587079U - Thermal bypass dynamic adjusting system - Google Patents
Thermal bypass dynamic adjusting system Download PDFInfo
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- CN218587079U CN218587079U CN202222202474.7U CN202222202474U CN218587079U CN 218587079 U CN218587079 U CN 218587079U CN 202222202474 U CN202222202474 U CN 202222202474U CN 218587079 U CN218587079 U CN 218587079U
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- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005070 sampling Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
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Abstract
The utility model discloses a hot bypass dynamic adjustment system, including rectifier transformer, rectification power unit, contravariant power unit and alternating current filter unit, rectifier transformer's output with rectification power unit's input electric connection, rectification power unit's output with contravariant power unit's input electric connection, alternating current filter unit with contravariant power unit's output electric connection. The utility model provides a pair of hot bypass dynamic adjustment system calculates real-time power through sampling and control PCBA high speed, according to real-time power's size, and real-time power control can be realized to power unit to the hot bypass quantity of hysteresis control power unit automatically, has energy-efficient, reliable quick dynamic adjustment's advantage.
Description
Technical Field
The utility model relates to a belong to the technical field of the frequency conversion, concretely relates to hot bypass dynamic adjustment system.
Background
At present, with the further development of the fields of energy storage, motors, shore power supply systems and the like, the frequency conversion technology is applied to the fields more and more, and the frequency conversion technology is a conversion technology for converting direct current into alternating current with different frequencies. The alternating current can be converted into direct current and then converted into alternating current with different frequencies, or the direct current can be converted into alternating current and then converted into direct current. All this is a change in frequency and no change in power. The capacity demand for frequency conversion equipment in the market is increasing. Limited by a single frequency conversion module, the effective output capacity of the frequency conversion equipment cannot meet the requirements of users.
At present, a large-capacity frequency conversion device comprises a plurality of power units (a rectification unit and an inversion unit) so as to achieve the purpose of real-time power control of the power units. Therefore, the dynamic thermal bypass adjusting system based on the real-time power control of the power unit can well achieve the purpose.
Disclosure of Invention
For solving the not enough of prior art existence, the utility model provides a hot bypass dynamic adjustment system.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the thermal bypass dynamic regulation system comprises a rectifier transformer, a rectifier power unit, an inverter power unit and an alternating current filter unit, wherein the output end of the rectifier transformer is electrically connected with the input end of the rectifier power unit, the output end of the rectifier power unit is electrically connected with the input end of the inverter power unit, and the alternating current filter unit is electrically connected with the output end of the inverter power unit.
Preferably, the inversion power unit includes a transistor S1, a transistor S2, a transistor S3, a transistor S4, a transistor S5, and a transistor S6, wherein a collector of the transistor S1, a collector of the transistor S3, and a collector of the transistor S5 are electrically connected, an emitter of the transistor S2, an emitter of the transistor S4, and an emitter of the transistor S6 are electrically connected, the emitter of the transistor S1 is electrically connected to the collector of the transistor S4, the emitter of the transistor S3 is electrically connected to the collector of the transistor S6, and the emitter of the transistor S5 is electrically connected to the collector of the transistor S2.
Preferably, the inverter power unit includes a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, and a diode D6, an anode of the diode D1 is electrically connected to an emitter of the transistor S1, and a cathode of the diode D1 is electrically connected to a collector of the transistor S1; the anode of the diode D2 is electrically connected with the emitter of the triode S2, and the cathode of the diode D2 is electrically connected with the collector of the triode S2; the anode of the diode D3 is electrically connected with the emitter of the triode S3, and the cathode of the diode D3 is electrically connected with the collector of the triode S3; the anode of the diode D4 is electrically connected with the emitter of the triode S4, and the cathode of the diode D4 is electrically connected with the collector of the triode S4; the anode of the diode D5 is electrically connected with the emitter of the triode S5, and the cathode of the diode D5 is electrically connected with the collector of the triode S5; the anode of the diode D6 is electrically connected with the emitter of the triode S6, and the cathode of the diode D6 is electrically connected with the collector of the triode S6.
Preferably, the ac filtering unit includes an inductor L1, an inductor L2, an inductor L3, a capacitor C1, a capacitor C2, and a capacitor C3, one end of the capacitor C1, one end of the capacitor C2, and one end of the capacitor C3 are electrically connected, the other end of the capacitor C1 is electrically connected to one end of the inductor L1, the other end of the inductor L1 is electrically connected to the emitter of the transistor S1, the other end of the capacitor C2 is electrically connected to one end of the inductor L2, the other end of the inductor L2 is electrically connected to the emitter of the transistor S3, the other end of the capacitor C3 is electrically connected to one end of the inductor L3, and the other end of the inductor L3 is electrically connected to the emitter of the transistor L5.
Preferably, the triode S1, the triode S2, the triode S3, the triode S4, the triode S5 and the triode S6 are all IGBTs.
The utility model discloses a hot bypass dynamic adjustment system compares with prior art, and its beneficial effect lies in, through sampling and the high-speed real-time power that calculates of control PCBA, according to real-time power's size, the hot bypass quantity of hysteresis control power unit can come automatically to realize real-time power control to power unit, has energy-efficient, reliable quick dynamic adjustment's advantage.
Drawings
Fig. 1 is a main block diagram provided by the present invention.
Fig. 2 is a schematic diagram of an inverter power unit provided by the present invention.
Fig. 3 is a logic diagram of the control principle provided by the present invention.
Detailed Description
The utility model discloses a hot bypass dynamic adjustment system, below combine preferred embodiment, right the utility model discloses a detailed implementation makes further description.
Referring to fig. 1-3 of the drawings, fig. 1 is a main block diagram provided by the present invention, fig. 2 is a schematic diagram of an inverter power unit provided by the present invention, and fig. 3 is a logic diagram of a control principle provided by the present invention.
Preferred embodiments.
This embodiment provides a hot bypass dynamic adjustment system, including rectifier transformer, rectification power unit, contravariant power unit and interchange filter unit, rectifier transformer's output with the input electric connection of rectification power unit, the output of rectification power unit with the input electric connection of contravariant power unit, interchange filter unit with the output electric connection of contravariant power unit.
Preferably, the inversion power unit includes a transistor S1, a transistor S2, a transistor S3, a transistor S4, a transistor S5, and a transistor S6, wherein a collector of the transistor S1, a collector of the transistor S3, and a collector of the transistor S5 are electrically connected, an emitter of the transistor S2, an emitter of the transistor S4, and an emitter of the transistor S6 are electrically connected, the emitter of the transistor S1 is electrically connected to the collector of the transistor S4, the emitter of the transistor S3 is electrically connected to the collector of the transistor S6, and the emitter of the transistor S5 is electrically connected to the collector of the transistor S2.
Preferably, the inverter power unit includes a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, and a diode D6, an anode of the diode D1 is electrically connected to an emitter of the transistor S1, and a cathode of the diode D1 is electrically connected to a collector of the transistor S1; the anode of the diode D2 is electrically connected with the emitter of the triode S2, and the cathode of the diode D2 is electrically connected with the collector of the triode S2; the anode of the diode D3 is electrically connected with the emitter of the triode S3, and the cathode of the diode D3 is electrically connected with the collector of the triode S3; the anode of the diode D4 is electrically connected with the emitter of the triode S4, and the cathode of the diode D4 is electrically connected with the collector of the triode S4; the anode of the diode D5 is electrically connected with the emitter of the triode S5, and the cathode of the diode D5 is electrically connected with the collector of the triode S5; the anode of the diode D6 is electrically connected with the emitter of the triode S6, and the cathode of the diode D6 is electrically connected with the collector of the triode S6.
Preferably, the ac filtering unit includes an inductor L1, an inductor L2, an inductor L3, a capacitor C1, a capacitor C2, and a capacitor C3, one end of the capacitor C1, one end of the capacitor C2, and one end of the capacitor C3 are electrically connected, the other end of the capacitor C1 is electrically connected to one end of the inductor L1, the other end of the inductor L1 is electrically connected to the emitter of the transistor S1, the other end of the capacitor C2 is electrically connected to one end of the inductor L2, the other end of the inductor L2 is electrically connected to the emitter of the transistor S3, the other end of the capacitor C3 is electrically connected to one end of the inductor L3, and the other end of the inductor L3 is electrically connected to the emitter of the transistor L5.
Preferably, the triode S1, the triode S2, the triode S3, the triode S4, the triode S5 and the triode S6 are all IGBTs.
The working principle is as follows: in terms of hardware, when the power unit is designed in an electrical system, a bypass cutting loop is additionally arranged in an alternating current loop so as to be matched with software control. In software, real-time power is calculated at a high speed, and the number of thermal bypasses of a hysteresis control power unit is controlled according to the magnitude of the real-time power (the PCBA for sampling and control related to the application adopts a technical means which is conventionally adopted in the field and is not taken as a technical protection point of the application).
Application scenario 1: when the power unit fails, the thermal bypass dynamic regulation function is triggered to ensure the stability of power;
application scenario 2: when the power of the current load is far less than the power of the power unit which is operated in the current variable frequency power supply, the unnecessary power unit can be automatically cut off; on the contrary, when the power of the load is about to exceed the power of the power unit which is operated in the current variable frequency power supply, the surplus power unit can be automatically put into use.
The control principle logic diagram is shown in fig. 3, and the hysteresis loop controls the heat bypass quantity of the power unit according to the current real-time output power (P = U × I × COS φ).
It is worth mentioning that the utility model discloses a sampling that the patent application relates to and technical feature such as control PCBA should be regarded as prior art, and the concrete structure of these technical feature, theory of operation and the control mode that probably involves, spatial arrangement mode adopt in the field conventional selection can, should not be regarded as the utility model discloses a little place, the utility model discloses a do not further specifically expand the detailing.
It will be appreciated by those skilled in the art that changes may be made in the embodiments described above, or equivalents may be substituted for some of the features thereof.
Claims (5)
1. A thermal bypass dynamic regulation system is based on real-time power control of a power unit and is characterized in that: the rectifier transformer is characterized by comprising a rectifier transformer, a rectifier power unit, an inversion power unit and an alternating current filter unit, wherein the output end of the rectifier transformer is electrically connected with the input end of the rectifier power unit, the output end of the rectifier power unit is electrically connected with the input end of the inversion power unit, and the alternating current filter unit is electrically connected with the output end of the inversion power unit.
2. The thermal bypass dynamic adjustment system of claim 1, wherein: the inversion power unit comprises a triode S1, a triode S2, a triode S3, a triode S4, a triode S5 and a triode S6, wherein the collector of the triode S1, the collector of the triode S3 and the collector of the triode S5 are electrically connected, the emitter of the triode S2, the emitter of the triode S4 and the emitter of the triode S6 are electrically connected, the emitter of the triode S1 is electrically connected with the collector of the triode S4, the emitter of the triode S3 is electrically connected with the collector of the triode S6, and the emitter of the triode S5 is electrically connected with the collector of the triode S2.
3. The thermal bypass dynamic adjustment system of claim 2, wherein: the inversion power unit comprises a diode D1, a diode D2, a diode D3, a diode D4, a diode D5 and a diode D6, wherein the anode of the diode D1 is electrically connected with the emitter of the triode S1, and the cathode of the diode D1 is electrically connected with the collector of the triode S1; the anode of the diode D2 is electrically connected with the emitter of the triode S2, and the cathode of the diode D2 is electrically connected with the collector of the triode S2; the anode of the diode D3 is electrically connected with the emitter of the triode S3, and the cathode of the diode D3 is electrically connected with the collector of the triode S3; the anode of the diode D4 is electrically connected with the emitter of the triode S4, and the cathode of the diode D4 is electrically connected with the collector of the triode S4; the anode of the diode D5 is electrically connected with the emitter of the triode S5, and the cathode of the diode D5 is electrically connected with the collector of the triode S5; the anode of the diode D6 is electrically connected to the emitter of the transistor S6, and the cathode of the diode D6 is electrically connected to the collector of the transistor S6.
4. The thermal bypass dynamic regulation system of claim 3, wherein: the alternating current filter unit comprises an inductor L1, an inductor L2, an inductor L3, a capacitor C1, a capacitor C2 and a capacitor C3, one end of the capacitor C1, one end of the capacitor C2 and one end of the capacitor C3 are electrically connected, the other end of the capacitor C1 is electrically connected with one end of the inductor L1, the other end of the inductor L1 is electrically connected with an emitting electrode of the triode S1, the other end of the capacitor C2 is electrically connected with one end of the inductor L2, the other end of the inductor L2 is electrically connected with an emitting electrode of the triode S3, the other end of the capacitor C3 is electrically connected with one end of the inductor L3, and the other end of the inductor L3 is electrically connected with an emitting electrode of the triode L5.
5. The thermal bypass dynamic adjustment system of claim 4, wherein: and the triode S1, the triode S2, the triode S3, the triode S4, the triode S5 and the triode S6 are all IGBTs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222202474.7U CN218587079U (en) | 2022-08-22 | 2022-08-22 | Thermal bypass dynamic adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222202474.7U CN218587079U (en) | 2022-08-22 | 2022-08-22 | Thermal bypass dynamic adjusting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218587079U true CN218587079U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222202474.7U Expired - Fee Related CN218587079U (en) | 2022-08-22 | 2022-08-22 | Thermal bypass dynamic adjusting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218587079U (en) |
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2022
- 2022-08-22 CN CN202222202474.7U patent/CN218587079U/en not_active Expired - Fee Related
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Granted publication date: 20230307 |
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| CF01 | Termination of patent right due to non-payment of annual fee |