CN220306957U - Comprehensive electric energy quality control device - Google Patents

Comprehensive electric energy quality control device Download PDF

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Publication number
CN220306957U
CN220306957U CN202321045210.3U CN202321045210U CN220306957U CN 220306957 U CN220306957 U CN 220306957U CN 202321045210 U CN202321045210 U CN 202321045210U CN 220306957 U CN220306957 U CN 220306957U
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China
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electrically connected
output end
converter bridge
bus
reactor
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CN202321045210.3U
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Chinese (zh)
Inventor
张三勇
包亮亮
王艳香
丁海明
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Liaoning Hualu Technology Co ltd
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Liaoning Hualu Technology Co ltd
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Abstract

The utility model discloses a comprehensive electric energy quality control device, which comprises a power supply, wherein the output end of the power supply is electrically connected with a bus, the output end of the bus is respectively and electrically connected with an acquisition module and a first converter bridge, the output end of the first converter bridge is respectively and electrically connected with an energy storage battery and a first capacitor, the output ends of the energy storage battery and the first capacitor are respectively and electrically connected with a second converter bridge and a third converter bridge, the output end of the second converter bridge is electrically connected with a voltage transformation module, the output end of the third converter bridge is electrically connected with a first reactor, and the input end of the bus is respectively and electrically connected with a first antiparallel thyristor and a second antiparallel thyristor. The utility model has the advantage of timely power supply through the cooperation of the voltage transformation module, the second converter bridge, the first converter bridge, the energy storage battery and the first capacitor, and can realize that the short-time voltage interruption is not affected, so that the equipment can normally operate.

Description

Comprehensive electric energy quality control device
Technical Field
The utility model relates to the technical field of electric energy quality control, in particular to a comprehensive electric energy quality control device.
Background
The electric energy quality is an indispensable assessment index of a modern electric power system, relates to whether a power grid can safely run, is an important guarantee of normal electricity consumption of users, and has higher and higher requirements on the electric energy quality by high-precision production and manufacturing equipment and monitoring equipment, so that the electric energy quality problem can cause great social loss.
The disqualification of the electric energy quality mainly refers to voltage, current amplitude or frequency deviation which causes the fault or the incapacitation of normal operation of the power consumer equipment, and is the concrete expression of the operation state of the power system, and the electric energy quality problem comprises harmonic waves, voltage fluctuation (sag, sag and interruption), three-phase unbalance, transient and flicker.
At present, a plurality of electric energy quality control technologies are applied, and under the working condition of strict electric energy quality requirements, the problems are very much faced: the problem of the electric energy quality to the appearance often adopts the scheme that multiple technologies used jointly to solve, and the unable unified coordinated operation of various equipment of such scheme appears the condition of mutual influence easily even can't be operated the condition even, and current electric energy quality control device can start certain suppression effect to voltage sag and temporary rise, can't solve the problem of voltage interruption, uses active type electric energy quality control device for the compensation reactive price is high, and whole cost is higher and is unsuitable for promoting.
Therefore, it is necessary to invent an integrated power quality control device to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a comprehensive power quality control device which has the advantages of realizing comprehensive treatment of power quality, realizing stable and coordinated operation without configuring various devices, realizing short-time voltage interruption without being influenced and enabling the devices to normally operate, and solving the problems that various devices cannot uniformly and cooperatively work and cannot solve the power quality of voltage interruption and voltage fluctuation.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a synthesize electric energy quality control device, includes the power, the output electricity of power is connected with the generating line, the output of generating line is connected with collection module and first converter bridge respectively, the output of first converter bridge is connected with energy storage battery and first condenser respectively, the output of energy storage battery and first condenser is connected with second converter bridge and third converter bridge respectively, the output electricity of second converter bridge is connected with the vary voltage module, the output electricity of third converter bridge is connected with first reactor, the input of generating line is connected with first anti-parallel thyristor and second anti-parallel thyristor respectively, the input of first anti-parallel thyristor and second anti-parallel thyristor is connected with second reactor and third reactor respectively, the input of second reactor and third reactor is connected with second condenser and third condenser respectively electrically, the output electricity of collection module is connected with the controller.
Preferably, the output end of the third capacitor is electrically connected with a resistor, and the output end of the resistor is electrically connected with the output end of the third reactor.
Preferably, the output end of the controller is electrically connected with the input ends of the first converter bridge, the second converter bridge and the third converter bridge respectively, and the transformation module is a transformer.
Preferably, the output end of the controller is respectively and bidirectionally electrically connected with an internet of things module and a touch screen, and the bus is a cable for power transmission.
Preferably, the output end of the transformation module is electrically connected with the bus, and the output end of the first reactor is electrically connected with the bus.
Preferably, the collection module is a broadband voltage and current collector, and the output end of the bus is electrically connected with a load.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model has the advantage of timely power supply through the cooperation of the voltage transformation module, the second converter bridge, the first converter bridge, the energy storage battery and the first capacitor, and can realize that the short-time voltage interruption is not affected, so that the equipment can normally operate.
2. The utility model has the advantages of realizing stable coordination through the matched use of the third converter bridge, the second reactor, the second capacitor, the third reactor, the resistor, the second anti-parallel thyristor, the first anti-parallel thyristor and the first reactor, realizing controllable ladder passive filtering and reactive compensation functions, greatly reducing the price of the whole equipment and realizing comprehensive treatment of the electric energy quality.
Drawings
Fig. 1 is a circuit diagram of the present utility model.
In the figure: 1. a power supply; 2. a bus; 3. a transformation module; 4. a second converter bridge; 5. a first converter bridge; 6. an energy storage battery; 7. a first capacitor; 8. a third converter bridge; 9. a second reactor; 10. a second capacitor; 11. a third capacitor; 12. a third reactor; 13. a resistor; 14. a second antiparallel thyristor; 15. a load; 16. a first antiparallel thyristor; 17. a first reactor; 18. a touch screen; 19. a controller; 20. the Internet of things module; 21. and an acquisition module.
Detailed Description
Referring to fig. 1, an integrated power quality control device includes a power source 1, an output end of the power source 1 is electrically connected with a bus 2, an output end of the bus 2 is electrically connected with a collection module 21 and a first converter bridge 5 respectively, an output end of the first converter bridge 5 is electrically connected with an energy storage battery 6 and a first capacitor 7 respectively, output ends of the energy storage battery 6 and the first capacitor 7 are electrically connected with a second converter bridge 4 and a third converter bridge 8 respectively, an output end of the second converter bridge 4 is electrically connected with a voltage transformation module 3, an output end of the third converter bridge 8 is electrically connected with a first reactor 17, an input end of the bus 2 is electrically connected with a first antiparallel thyristor 16 and a second antiparallel thyristor 14 respectively, an input end of the first antiparallel thyristor 16 and the second antiparallel thyristor 14 is electrically connected with a second reactor 9 and a third reactor 12 respectively, input ends of the second reactor 9 and the third reactor 12 are electrically connected with a second capacitor 10 and a third capacitor 11 respectively, and an output end of the collection module 21 is electrically connected with a controller 19;
the output end of the third capacitor 11 is electrically connected with a resistor 13, and the output end of the resistor 13 is electrically connected with the output end of the third reactor 12, so that the acquisition module 21 is provided with an information acquisition function, and the problem that current and voltage information in a circuit cannot be acquired is solved;
the output end of the controller 19 is electrically connected with the input ends of the first converter bridge 5, the second converter bridge 4 and the third converter bridge 8 respectively, the transformation module 3 is a transformer, and the controller 19 is arranged to control the current and the voltage, so that the problem that the components in the circuit cannot be controlled is solved;
the output end of the controller 19 is respectively and bidirectionally electrically connected with the Internet of things module 20 and the touch screen 18, the bus 2 is a cable for power transmission, and the remote online visual function is realized by arranging the Internet of things module 20 and the touch screen 18, so that the problem that the operation parameters of equipment cannot be adjusted remotely is solved;
the output end of the transformation module 3 is electrically connected with the bus bar 2, and the output end of the first reactor 17 is electrically connected with the bus bar 2.
The acquisition module 21 is a broadband voltage and current collector, and the output end of the bus 2 is electrically connected with a load 15.
When the power supply 1 is connected into the first converter bridge 5 to be rectified into direct current, the direct current is connected into the energy storage battery 6 and the first capacitor 7 to supply power, the direct current voltage of the energy storage battery 6 and the first capacitor 7 is inverted into controllable voltage through the second converter bridge 4 and is connected into the bus 2 through the transformation module 3, so that stable direct current voltage can be provided, when the system voltage drops for a certain time, the energy storage battery 6 can continue to supply power, the direct current voltage of the energy storage battery 6 and the first capacitor 7 is changed into controllable current through the third converter bridge 8, the first reactor 17 is connected into the bus 2 to realize a filter loop, meanwhile, the second capacitor 10 is connected into the bus 2 through the second reactor 9 and then through the first anti-parallel thyristor 16, so that fixed filtering can be realized, the third capacitor 11 is connected into the bus 2 through the third reactor 12 and the resistor 13, so that a compensation loop is realized, the controllable stepped passive filtering and reactive compensation function can be realized, the price of the whole equipment is greatly reduced, the power supply is prevented from being influenced by the shutdown voltage of the power supply 1, the quality of the power supply is not influenced by the power supply, the power supply is not influenced by the voltage source, the quality is not influenced by the power supply, the stable quality is realized, the quality is controlled through the power supply, the power source is not influenced, and the quality is not influenced by the normal operation of the voltage, and the quality is realized.
To sum up: the comprehensive electric energy quality control device solves the problems that various devices cannot work in a unified and coordinated mode, and cannot solve the electric energy quality problems of voltage interruption and voltage fluctuation due to the fact that the voltage transformation module 3, the second converter bridge 4, the first converter bridge 5, the energy storage battery 6, the first capacitor 7, the third converter bridge 8, the second reactor 9, the second capacitor 10, the third capacitor 11, the third reactor 12, the resistor 13, the second anti-parallel thyristor 14, the first anti-parallel thyristor 16 and the first reactor 17 are matched.

Claims (6)

1. An integrated power quality control device comprising a power supply (1), characterized in that: the power supply is characterized in that the output end of the power supply (1) is electrically connected with a bus (2), the output end of the bus (2) is electrically connected with a collecting module (21) and a first converter bridge (5) respectively, the output end of the first converter bridge (5) is electrically connected with an energy storage battery (6) and a first capacitor (7) respectively, the output ends of the energy storage battery (6) and the first capacitor (7) are electrically connected with a second converter bridge (4) and a third converter bridge (8) respectively, the output end of the second converter bridge (4) is electrically connected with a voltage transformation module (3), the output end of the third converter bridge (8) is electrically connected with a first reactor (17), the input end of the bus (2) is electrically connected with a first anti-parallel thyristor (16) and a second anti-parallel thyristor (14) respectively, the input ends of the first anti-parallel thyristor (16) and the second anti-parallel thyristor (14) are electrically connected with a second reactor (9) and a third reactor (12) respectively, and the output end of the second converter bridge (8) is electrically connected with a capacitor (19) respectively.
2. The integrated power quality control device of claim 1, wherein: the output end of the third capacitor (11) is electrically connected with a resistor (13), and the output end of the resistor (13) is electrically connected with the output end of the third reactor (12).
3. The integrated power quality control device of claim 1, wherein: the output end of the controller (19) is electrically connected with the input ends of the first converter bridge (5), the second converter bridge (4) and the third converter bridge (8) respectively, and the transformation module (3) is a transformer.
4. The integrated power quality control device of claim 1, wherein: the output end of the controller (19) is respectively and bidirectionally electrically connected with an Internet of things module (20) and a touch screen (18), and the bus (2) is a cable for power transmission.
5. The integrated power quality control device of claim 1, wherein: the output end of the transformation module (3) is electrically connected with the bus (2), and the output end of the first reactor (17) is electrically connected with the bus (2).
6. The integrated power quality control device of claim 1, wherein: the acquisition module (21) is a broadband voltage and current collector, and the output end of the bus (2) is electrically connected with a load (15).
CN202321045210.3U 2023-05-05 2023-05-05 Comprehensive electric energy quality control device Active CN220306957U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321045210.3U CN220306957U (en) 2023-05-05 2023-05-05 Comprehensive electric energy quality control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321045210.3U CN220306957U (en) 2023-05-05 2023-05-05 Comprehensive electric energy quality control device

Publications (1)

Publication Number Publication Date
CN220306957U true CN220306957U (en) 2024-01-05

Family

ID=89350346

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321045210.3U Active CN220306957U (en) 2023-05-05 2023-05-05 Comprehensive electric energy quality control device

Country Status (1)

Country Link
CN (1) CN220306957U (en)

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