CN210927216U - Multi-path redundant input switching power supply based on energy storage system - Google Patents
Multi-path redundant input switching power supply based on energy storage system Download PDFInfo
- Publication number
- CN210927216U CN210927216U CN201922100905.7U CN201922100905U CN210927216U CN 210927216 U CN210927216 U CN 210927216U CN 201922100905 U CN201922100905 U CN 201922100905U CN 210927216 U CN210927216 U CN 210927216U
- Authority
- CN
- China
- Prior art keywords
- module
- power supply
- input
- pin
- switching power
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A multi-path redundant input switch power supply based on an energy storage system is characterized in that the input end of a voltage-multiplying rectification module of the multi-path redundant input switch power supply is electrically connected with 220V single-phase alternating current, and the output end of the voltage-multiplying rectification module is connected with the input end of a switch power supply module; the input end of the three-phase rectification module is connected with 380V three-phase alternating current, and the output end of the three-phase rectification module is connected with the input end of the switching power supply module; the first input end of the direct current isolation module is connected with the photovoltaic cell panel, the second input end of the direct current isolation module is connected with the storage battery, the third input end of the direct current isolation module is connected with the direct current bus of the energy storage converter, and the output end of the direct current isolation module is connected with the input end of the switching power supply module; the switch power supply module converts power supplies from the output end of the voltage-doubling rectifying module, the output end of the three-phase full-bridge rectifying module and the output end of the direct-current isolating module into an isolated output power supply. In any case, as long as one input source is effective, the stable output of the switching power supply can be ensured.
Description
Technical Field
The utility model relates to a redundant input switching power supply of multichannel based on energy storage system.
Background
For the current power electronic industry, the input source of the energy storage converter is a storage battery, a photovoltaic cell panel, a small wind generating set and the like, the energy storage converter is used as a pivot for mutual circulation of energy, and the working stability of the energy storage converter is very important. In order to improve the working stability of the energy storage converter, it is necessary to ensure that the switching power supply which supplies energy to the main control system of the energy storage converter can normally operate under the condition that any input source exists. The traditional switching power supply generally consists of one input source and cannot be connected with multiple input sources simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's shortcoming, the redundant input switching power supply of multichannel based on energy storage system that provides for improving energy storage converter major control system's power supply stability. The utility model discloses have the redundant input source that reaches five ways more, each other does not influence between the multichannel input source. Under any condition, as long as one input source is effective, the stable output of the switching power supply can be ensured, and the reliability of the power supply of the energy storage converter main control system is improved.
In order to achieve the above object, the utility model provides a following technical scheme:
a multi-path redundant input switching power supply based on an energy storage system comprises a voltage-multiplying rectification module, a three-phase rectification module, a direct-current isolation module and a switching power supply module. The input end of the voltage-doubling rectifying module is electrically connected with 220V single-phase alternating current, and the output end of the voltage-doubling rectifying module is connected with the input end of the switching power supply module; the input end of the three-phase rectification module is connected with 380V three-phase alternating current, and the output end of the three-phase rectification module is connected with the input end of the switching power supply module; the first input end of the direct current isolation module is connected with the photovoltaic cell panel, the second input end of the direct current isolation module is connected with the storage battery, the third input end of the direct current isolation module is connected with the direct current bus of the energy storage converter, and the output end of the direct current isolation module is connected with the input end of the switching power supply module.
The voltage-multiplying rectifying module is composed of a rectifying diode D1, a rectifying diode D2, a rectifying filter capacitor C1 and a rectifying filter capacitor C2. A pin 1 of an input end J1 of the voltage-doubling rectifying module is connected with a pin 2 of a rectifying diode D1, a pin 1 of a rectifying diode D2 and a live wire L of single-phase 220V alternating current; a pin 2 of an input end J1 of the voltage-doubling rectifying module is connected with a pin 2 of a rectifying and filtering capacitor C1, a pin 1 of a rectifying and filtering capacitor C2 and a zero line N of single-phase 220V alternating current; and the DC output end DC + and DC-of the voltage-doubling rectifying module are respectively connected with the DC input end DC + and DC-corresponding to the switching power supply module.
The three-phase full-bridge rectification module is composed of a three-phase full-bridge rectification circuit; a pin 1 of an input end J2 of the three-phase full-bridge rectification module is connected with a pin 2 of a rectification diode D3, a pin 1 of a rectification diode D4 and an R pole of three-phase 380V alternating current, a pin 3 of an input end J2 of the three-phase full-bridge rectification module is connected with a pin 2 of a rectification diode D5, a pin 1 of a rectification diode D6 and an S pole of the three-phase 380V alternating current, and a pin 5 of an input end J2 of the three-phase full-bridge rectification module is connected with a pin 2 of a rectification diode D7, a pin 1 of the rectification diode D8 and a T pole of the three-; and the DC output end DC + and the DC-of the three-phase rectification module are respectively connected with the DC input end DC + and the DC-corresponding to the switching power supply module.
The direct current isolation module is mainly composed of three rectifier diodes; the 4 pins of the first input end J3 of the direct current isolation module are connected with the anode PV + of the photovoltaic cell panel and the 2 pins of the rectifier diode D9, and the 1 pin of the first input end J3 of the direct current isolation module is connected with the cathode PV-of the photovoltaic cell panel; a pin 4 of a second input end J4 of the direct current isolation module is connected with a positive electrode BAT + of the storage battery and a pin 2 of the rectifier diode D10, and a pin 1 of a second input end J4 of the direct current isolation module is connected with a negative electrode BAT-of the storage battery; a pin 4 of a third input end J5 of the direct current isolation module is connected with a positive electrode P + of a direct current bus of the energy storage converter and a pin 2 of a rectifier diode D11, and a pin 1 of a third input end J5 of the direct current isolation module is connected with a negative electrode N-of the direct current bus of the energy storage converter; pin 1 of D9, pin 1 of D10 and pin 1 of D11 are connected in parallel to form an output voltage DC +; pin 1 of the first input terminal J3 of the DC isolation module, pin 1 of the second input terminal J4 of the DC isolation module, and pin 1 of the third input terminal J5 of the DC isolation module are connected together to form an output voltage DC-. The direct current output end DC + and the direct current output end DC-of the direct current isolation module are respectively connected with the direct current input end DC + and the direct current output end DC-of the switch power supply module; according to the conduction characteristics of the diodes, only the diode corresponding to the input source with the highest voltage in the three input sources of the photovoltaic cell panel, the storage battery and the direct current bus of the energy storage converter can be conducted; the other two input sources are low in voltage, and the corresponding diodes are in a cut-off state. After the diode corresponding to the input source with the highest voltage is conducted, the input source is directly connected with the output end through the diode to form an effective output source. With the change of the working condition, all three input sources can become the input source with the highest voltage, and further become effective output sources.
The input end 1 pin of the switching power supply module is connected with a DC + pole, the input end 2 pin of the switching power supply module is connected with a DC-pole, the pin 3 of the switching power supply module is connected with a GND (ground) of an energy storage converter main control system, and the pin 4 of the switching power supply module is connected with a +24V of the energy storage converter main control system. The input voltage between the pins 1 and 2 of the switching power supply module comes from the output of the voltage doubling rectifier module, the three-phase rectifier module and the direct current isolation module, and after the input voltage passes through the switching power supply module, the pins 3 and 4 of the switching power supply module are used as output ends to output an isolated 24V power supply to be supplied to a main control board of an energy storage system.
And the output ends of the voltage-multiplying rectification module, the three-phase full-bridge rectification module and the direct-current isolation module are connected in parallel to form the input of the switching power supply module. According to the conduction characteristic of the diode, only the diode with the highest output voltage value and the diode connected with the DC + pole can be in a conduction state in the output ends of the voltage-doubling rectifying module, the three-phase full-bridge rectifying module and the DC isolation module, and the voltage of the module with the highest output voltage value is output to the switching power supply module. The other two modules are low in output voltage, and the diode connected with the DC + pole is cut off in the reverse direction, so that the output of the other two modules cannot be realized.
The energy storage system-based multi-path redundant input switching power supply system comprises five input ends and one output end. When any one path of input sources of the five input ends and at most any four paths of input sources fail, the multi-path redundant input switch power supply system can work normally and ensure the stable output of the output end.
The utility model provides a current energy storage converter master control system adopt the power supply of one way input source, when the inefficacy of one way input source, the unstable problem of power supply. The utility model discloses an adopt voltage-multiplying rectifier module and three-phase full-bridge rectifier module to rectify single-phase 220VAC and three-phase 380VAC power respectively into the direct current to keep apart the module and keep apart three routes direct current input source through the diode, introduced five routes input sources altogether. The five input sources can realize seamless switching of the input sources under the condition that any input source fails, the redundancy characteristic is embodied, and the power supply stability of the energy storage converter main control system is greatly improved.
Drawings
FIG. 1 is a block diagram of a multi-path redundant input switching power supply based on an energy storage system;
FIG. 2 is a schematic diagram of a voltage doubler rectifier module;
FIG. 3 is a schematic diagram of a three-phase full-bridge rectifier module;
FIG. 4 is a schematic diagram of a diode isolation module;
fig. 5 is a schematic diagram of a switching power supply module.
Detailed Description
The invention is further described below with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the utility model discloses redundant input switching power supply of multichannel based on energy storage system, including double voltage rectifier module, three-phase rectifier module, direct current isolation module and switching power supply module.
The input end of the voltage-doubling rectifying module is electrically connected with 220V single-phase alternating current, and the direct-current output end DC + and DC-of the voltage-doubling rectifying module are respectively connected with the direct-current input end DC + and DC-corresponding to the switching power supply module; the input end of the three-phase rectification module is connected with 380V three-phase alternating current, and the direct current output end DC + and DC-of the three-phase rectification module are respectively connected with the direct current input end DC + and DC-corresponding to the switch power supply module; the first input end of the direct current isolation module is connected with the photovoltaic cell panel, the second input end of the direct current isolation module is connected with the storage battery, the third input end of the direct current isolation module is connected with the direct current bus of the energy storage converter, and the direct current output end DC + and DC-of the direct current isolation module are respectively connected with the direct current input end DC + and DC-corresponding to the switching power supply module.
As shown in fig. 2, the voltage-doubling rectifying module is composed of a rectifying diode D1, a rectifying diode D2, a rectifying smoothing capacitor C1, and a rectifying smoothing capacitor C2; a pin 1 of an input end J1 of the voltage-doubling rectifying module is connected with a pin 2 of a rectifying diode D1, a pin 1 of a rectifying diode D2 and a live wire L of single-phase 220V alternating current; a pin 2 of an input end J1 of the voltage-doubling rectifying module is connected with a pin 2 of a rectifying and filtering capacitor C1, a pin 1 of a rectifying and filtering capacitor C2 and a zero line N of single-phase 220V alternating current; and the DC output end DC + and DC-of the voltage-doubling rectifying module are respectively connected with the DC input end DC + and DC-corresponding to the switching power supply module.
In the positive half cycle of the single-phase 220VAC voltage, the input voltage charges a rectifying and smoothing capacitor C1 through a rectifying diode D1, and the voltage at the two ends of the rectifying and smoothing capacitor C1 is 311 VDC; in the negative half cycle of the single-phase 220VAC voltage, the input voltage charges a rectifying and smoothing capacitor C2 through a rectifying diode D2, and the voltage at the two ends of the rectifying and smoothing capacitor C2 is 311 VDC; the output voltage of the voltage-multiplying rectifying module is the series voltage of the rectifying filter capacitors C1 and C2, and the output voltage of the voltage-multiplying rectifying module is 622 VDC.
As shown in fig. 3, the three-phase full-bridge rectification module is composed of a three-phase full-bridge rectification circuit. The pin 1 of the input end J2 of the three-phase full-bridge rectification module is connected with the pin 2 of the rectification diode D3, the pin 1 of the rectification diode D4 and the R pole of three-phase 380V alternating current, the pin 3 of the input end J2 of the three-phase full-bridge rectification module is connected with the pin 2 of the rectification diode D5, the pin 1 of the rectification diode D6 and the S pole of the three-phase 380V alternating current, and the pin 5 of the input end J2 of the three-phase full-bridge rectification module is connected with the pin 2 of the rectification diode D7, the pin 1 of the rectification diode D8 and the T pole of the three-. And the DC output end DC + and the DC-of the three-phase rectification module are respectively connected with the DC input end DC + and the DC-corresponding to the switching power supply module. The output voltage of the three-phase 380V alternating current passing through the three-phase full-bridge rectification module is 537 VDC.
As shown in fig. 4, the dc isolation module is mainly composed of three rectifier diodes: the 4 pins of the first input end J3 of the direct current isolation module are connected with the anode PV + of the photovoltaic cell panel and the 2 pins of the rectifier diode D9, and the 1 pin of the first input end J3 of the direct current isolation module is connected with the cathode PV-of the photovoltaic cell panel; a pin 4 of a second input end J4 of the direct current isolation module is connected with a positive electrode BAT + of the storage battery and a pin 2 of the rectifier diode D10, and a pin 1 of a second input end J4 of the direct current isolation module is connected with a negative electrode BAT-of the storage battery; a pin 4 of a third input end J5 of the direct current isolation module is connected with a positive electrode P + of a direct current bus of the energy storage converter and a pin 2 of a rectifier diode D11, and a pin 1 of a third input end J5 of the direct current isolation module is connected with a negative electrode N-of the direct current bus of the energy storage converter; pin 1 of D9, pin 1 of D10 and pin 1 of D11 are connected in parallel to form an output voltage DC +; pin 1 of J3, pin 1 of J4, and pin 1 of J5 are connected together to form an output voltage DC-. And the direct current output end DC + and the direct current output end DC-of the direct current isolation module are respectively connected with the direct current input end DC + and the direct current output end DC-of the switching power supply module.
The input voltage range of the photovoltaic cell panel is 0-600VDC, the input voltage range of the storage battery is 0-600VDC, the input voltage range of a direct current bus of the energy storage converter is 0-1000VDC, and the three input voltages are continuously changed along with the working condition. According to the conduction characteristics of the diodes, only the diode corresponding to the input source with the highest voltage in the three input sources of the photovoltaic cell panel, the storage battery and the direct current bus of the energy storage converter can be conducted; the other two input sources are low in voltage, and the corresponding diodes are in a cut-off state. After the diode corresponding to the input source with the highest voltage is conducted, the input source is directly connected with the output end through the diode to form an effective output source. With the change of the working condition, the three input sources are all possible to become the input source with the highest voltage, and then become effective output sources;
as shown in FIG. 5, the switching power supply module has model number PV120-27B24, input voltage range of 200VDC-1000VDC, and output voltage of 24V. The input end 1 pin of the switching power supply module is connected with a DC + pole, the input end 2 pin of the switching power supply module is connected with a DC-pole, the pin 3 of the switching power supply module is connected with a GND (ground) of an energy storage converter main control system, and the pin 4 of the switching power supply module is connected with a +24V of the energy storage converter main control system. The input voltage between the pins 1 and 2 of the switching power supply module is output from the voltage doubling rectifying module, the three-phase rectifying module and the direct current isolation module, the voltage range of the input voltage is 200VDC-1000VDC, and after passing through the switching power supply module, the pins 3 and 4 of the switching power supply module are used as a main control board of an energy storage system to output an isolated 24V power supply.
And the output ends of the voltage-multiplying rectification module, the three-phase full-bridge rectification module and the direct-current isolation module are connected in parallel to form the input of the switching power supply module. The output voltage of the voltage-multiplying rectification module is 622VDC, the output voltage of the three-phase full-bridge rectification module is 537VDC, and the output voltage of the direct-current isolation module is the highest voltage of the photovoltaic cell panel, the storage battery voltage and the direct-current bus voltage of the energy storage converter. According to the conduction characteristic of the diode, only the diode with the highest output voltage value and the diode connected with the DC + pole can be in a conduction state in the output ends of the voltage-doubling rectifying module, the three-phase full-bridge rectifying module and the DC isolation module, and the voltage of the module with the highest output voltage value is output to the switching power supply module. The other two modules are low in output voltage, and the diode connected with the DC + pole is cut off in the reverse direction, so that the output of the other two modules cannot be realized.
The energy storage system-based multi-path redundant input switching power supply system comprises five input ends and one output end. When any one path of input sources of the five input ends and at most any four paths of input sources fail, the multi-path redundant input switch power supply system can work normally and ensure the stable output of the output end.
The utility model provides a current energy storage converter master control system adopt the power supply of one way input source, when the inefficacy of one way input source, the unstable problem of power supply. The utility model discloses an adopt voltage-multiplying rectifier module and three-phase full-bridge rectifier module to rectify single-phase 220VAC and three-phase 380VAC power respectively into the direct current to keep apart the module and keep apart three routes direct current input source through the diode, introduced five routes input sources altogether. The five input sources can realize seamless switching of the input sources under the condition that any input source fails, the redundancy characteristic is embodied, and the power supply stability of the energy storage converter main control system is greatly improved.
Claims (7)
1. The utility model provides a multichannel redundant input switching power supply based on energy storage system which characterized in that: the multi-path redundant input switching power supply based on the energy storage system comprises a voltage-multiplying rectification module, a three-phase rectification module, a direct-current isolation module and a switching power supply module; the input end of the voltage-doubling rectifying module is electrically connected with 220V single-phase alternating current, and the output end of the voltage-doubling rectifying module is connected with the input end of the switching power supply module; the input end of the three-phase rectification module is connected with 380V three-phase alternating current, and the output end of the three-phase rectification module is connected with the input end of the switching power supply module; the first input end of the direct current isolation module is connected with the photovoltaic cell panel, the second input end of the direct current isolation module is connected with the storage battery, the third input end of the direct current isolation module is connected with the direct current bus of the energy storage converter, and the output end of the direct current isolation module is connected with the input end of the switching power supply module.
2. The energy storage system based multiple redundant input switching power supply of claim 1, wherein: the voltage-multiplying rectification module is composed of a rectifying diode D1, a rectifying diode D2, a rectifying filter capacitor C1 and a rectifying filter capacitor C2; a pin 1 of an input end J1 of the voltage-doubling rectifying module is connected with a pin 2 of a rectifying diode D1, a pin 1 of a rectifying diode D2 and a live wire L of single-phase 220V alternating current; a pin 2 of an input end J1 of the voltage-doubling rectifying module is connected with a pin 2 of a rectifying and filtering capacitor C1, a pin 1 of a rectifying and filtering capacitor C2 and a zero line N of single-phase 220V alternating current; and the DC output end DC + and DC-of the voltage-doubling rectifying module are respectively connected with the DC input end DC + and DC-corresponding to the switching power supply module.
3. The energy storage system based multiple redundant input switching power supply of claim 1, wherein: the three-phase rectification module is composed of a three-phase full-bridge rectification circuit; a pin 1 of an input end J2 of the three-phase full-bridge rectification module is connected with a pin 2 of a rectification diode D3, a pin 1 of a rectification diode D4 and an R pole of three-phase 380V alternating current, a pin 3 of an input end J2 of the three-phase full-bridge rectification module is connected with a pin 2 of a rectification diode D5, a pin 1 of a rectification diode D6 and an S pole of the three-phase 380V alternating current, and a pin 5 of an input end J2 of the three-phase full-bridge rectification module is connected with a pin 2 of a rectification diode D7, a pin 1 of the rectification diode D8 and a T pole of the three-; and the DC output end DC + and the DC-of the three-phase rectification module are respectively connected with the DC input end DC + and the DC-corresponding to the switching power supply module.
4. The energy storage system based multiple redundant input switching power supply of claim 1, wherein: the direct current isolation module is composed of three rectifier diodes; the 4 pins of the first input end J3 of the direct current isolation module are connected with the anode PV + of the photovoltaic cell panel and the 2 pins of the rectifier diode D9, and the 1 pin of the first input end J3 of the direct current isolation module is connected with the cathode PV-of the photovoltaic cell panel; a pin 4 of a second input end J4 of the direct current isolation module is connected with a positive electrode BAT + of the storage battery and a pin 2 of the rectifier diode D10, and a pin 1 of a second input end J4 of the direct current isolation module is connected with a negative electrode BAT-of the storage battery; a pin 4 of a third input end J5 of the direct current isolation module is connected with a positive electrode P + of a direct current bus of the energy storage converter and a pin 2 of a rectifier diode D11, and a pin 1 of a third input end J5 of the direct current isolation module is connected with a negative electrode N-of the direct current bus of the energy storage converter; a pin 1 of the rectifier diode D9, a pin 1 of the rectifier diode D10 and a pin 1 of the rectifier diode D11 are connected in parallel to form an output voltage DC +; pin 1 of the first input terminal J3 of the DC isolation module, pin 1 of the second input terminal J4 of the DC isolation module and pin 1 of the third input terminal J5 of the DC isolation module are connected together to form an output voltage DC-; the direct current output end DC + and the direct current output end DC-of the direct current isolation module are respectively connected with the direct current input end DC + and the direct current output end DC-of the switch power supply module; according to the conduction characteristics of the diodes, only the diode corresponding to the input source with the highest voltage is conducted among the three input sources of the photovoltaic cell panel, the storage battery and the direct current bus of the energy storage converter; the other two input sources are low in voltage, and the corresponding diodes are in a cut-off state; after the diode corresponding to the input source with the highest voltage is conducted, the input source is directly connected with the output end through the diode to become an effective output source, and along with the change of working conditions, the three input sources are all likely to become the input source with the highest voltage, and further become the effective output source.
5. The energy storage system based multiple redundant input switching power supply of claim 1, wherein: the input end 1 pin of the switching power supply module is connected with a DC + pole, the input end 2 pin of the switching power supply module is connected with a DC-pole, the pin 3 of the switching power supply module is connected with a GND (ground) of an energy storage converter main control system, and the pin 4 of the switching power supply module is connected with a +24V of the energy storage converter main control system; the input voltage between the pins 1 and 2 of the switching power supply module comes from the output of the voltage doubling rectifier module, the three-phase rectifier module and the direct current isolation module, and after the input voltage passes through the switching power supply module, the pins 3 and 4 of the switching power supply module are used as output ends to output an isolated 24V power supply to be supplied to a main control board of an energy storage system.
6. The energy storage system based multiple redundant input switching power supply of claim 1, wherein: the output ends of the voltage-multiplying rectification module, the three-phase full-bridge rectification module and the direct-current isolation module are connected in parallel to form the input of the switching power supply module; according to the conduction characteristic of the diode, only the diode with the highest output voltage value, which is connected with the DC + pole, in the output end of the voltage-doubling rectifying module, the output end of the three-phase full-bridge rectifying module and the output end of the DC isolation module can be in a conduction state, and the voltage of the module with the highest output voltage value is output to the switching power supply module; the other two modules are low in output voltage, and the diode connected with the DC + pole is cut off in the reverse direction, so that the output of the other two modules cannot be realized.
7. The multi-path redundant input switching power supply based on the energy storage system as claimed in claim 1, wherein: the energy storage system-based multi-path redundant input switching power supply system comprises five input ends and one output end; when any one path of input sources of the five input ends and at most any four paths of input sources fail, the multi-path redundant input switch power supply system can work normally and ensure the stable output of the output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922100905.7U CN210927216U (en) | 2019-11-28 | 2019-11-28 | Multi-path redundant input switching power supply based on energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922100905.7U CN210927216U (en) | 2019-11-28 | 2019-11-28 | Multi-path redundant input switching power supply based on energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210927216U true CN210927216U (en) | 2020-07-03 |
Family
ID=71350768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922100905.7U Expired - Fee Related CN210927216U (en) | 2019-11-28 | 2019-11-28 | Multi-path redundant input switching power supply based on energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210927216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118074306A (en) * | 2024-04-19 | 2024-05-24 | 西安奇点能源股份有限公司 | Power auxiliary system of energy storage converter |
-
2019
- 2019-11-28 CN CN201922100905.7U patent/CN210927216U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118074306A (en) * | 2024-04-19 | 2024-05-24 | 西安奇点能源股份有限公司 | Power auxiliary system of energy storage converter |
| CN118074306B (en) * | 2024-04-19 | 2024-07-23 | 西安奇点能源股份有限公司 | Power auxiliary system of energy storage converter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20110103114A1 (en) | Solar power conversion circuit and power supply system using the same | |
| US20140153303A1 (en) | Solar module having a back plane integrated inverter | |
| WO2017024642A1 (en) | Three-phase rectifier boost circuit and control method therefor, and uninterruptible power supply | |
| CN102163871B (en) | Multi-power supply system and method | |
| CN203423631U (en) | Solar energy no-bridge inverter comprising high boosted circuit | |
| CN105939107B (en) | A kind of quasi- boost switching DC-DC converter of mixed type | |
| WO2017024641A1 (en) | Three-phase rectifier boost circuit and control method therefor, and uninterruptible power supply | |
| CN105429177B (en) | A kind of Modular photovoltaic energy-storage system | |
| CN109039074A (en) | A kind of rectification of no bridge three Boost power circuit | |
| WO2013163779A1 (en) | Multi-input flyback photovoltaic grid-connected inverter | |
| CN105186919A (en) | Non-isolated grid-connected converter, air conditioning system and converter control method | |
| CN210927216U (en) | Multi-path redundant input switching power supply based on energy storage system | |
| US11532938B2 (en) | Power supply circuit and inverter | |
| CN109449997B (en) | Modular high-power shore power supply system | |
| CN101494388B (en) | Multi-power input transformer device and non-outages power supply system | |
| CN102624073A (en) | Solar inverter power supply | |
| CN204316173U (en) | A kind of duplicate supply input redundancy electric power supply system of Novel photovoltaic inverter | |
| CN203522317U (en) | Photovoltaic inverter power supply device | |
| CN112366966B (en) | Single-switch half-bridge electric energy converter | |
| CN104167946A (en) | Midpoint clamping type single-phase non-isolated photovoltaic inverter main circuit topology with follow current switch | |
| CN205142045U (en) | Photovoltaic transfer circuit and photovoltaic power equipment | |
| CN203219215U (en) | Solar energy system comprising power optimizing apparatus | |
| CN201758356U (en) | Interleaving single-phase active power factor correction circuit | |
| CN221177348U (en) | Electricity taking module suitable for control system in energy storage system | |
| CN219918481U (en) | Battery direct current follows switching power supply circuit |
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: 20200703 Termination date: 20211128 |