CN204407913U - Possesses the active inversion unit of timesharing energy-storage function - Google Patents
Possesses the active inversion unit of timesharing energy-storage function Download PDFInfo
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- CN204407913U CN204407913U CN201420807043.6U CN201420807043U CN204407913U CN 204407913 U CN204407913 U CN 204407913U CN 201420807043 U CN201420807043 U CN 201420807043U CN 204407913 U CN204407913 U CN 204407913U
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Abstract
The utility model relates to a kind of active inversion unit possessing timesharing energy-storage function, comprise the Active Power Filter-APF in parallel with electrical network, the control and drive system that described Active Power Filter-APF comprises inverter circuit and is connected with inverter circuit, described active inversion unit also comprises two-way pressure-adjustable power conversion module and energy-storage travelling wave tube, described inverter circuit, two-way power-adjustable modular converter, energy-storage travelling wave tube connect successively, and described two-way power-adjustable modular converter is connected with control and drive system; When low power consumption, control and drive system controls inverter circuit and two-way power-adjustable modular converter carries out rectification, energy-storage travelling wave tube is charged, when peak of power consumption, control and drive system controls inverter circuit and two-way power-adjustable modular converter, by the electric energy of energy-storage travelling wave tube by two-way power-adjustable modular converter and inverter circuit inversion grid connection.Compared with prior art, the utility model have structure simple, possess timesharing energy-storage function, make full use of electric energy, reduce the advantages such as electric cost.
Description
Technical field
The utility model relates to a kind of active inversion unit, especially relates to a kind of active inversion unit possessing timesharing energy-storage function.
Background technology
At present, in all parts of the country, especially coastal developed regions power supply shortage, many regional Severe Power Shortages, enterprise's productive power and part household electricity cannot be protected, and have had a strong impact on the normal production of enterprise and the daily life of resident.Electric power enterprise carries out margining electric method to enterprise and Residents household electricity one after another.The unreasonable consumption of the current suppression energy and one of important measures of taking are exactly the electricity using at the peak time that step price policy divides Different periods, namely takes different expenses standards, to alleviate network load during peak of power consumption.Some enterprises, resident produce and life to remain normal, often use various generator or the uninterrupted emergency power supply of UPS for urgent need.But existing UPS limit due to its structure, and function singleness, can only meet user's emergency service when grid power blackout, paddy electricity can not be utilized to make the period Reduction of Students' Study Load of peak electricity.When the utility model is directed to current peak of power consumption and low power consumption, the difference of electric rate provides a kind of new device.
Utility model content
The purpose of this utility model is exactly provide to overcome defect that above-mentioned prior art exists the active inversion unit that a kind of structure is simple, possess timesharing energy-storage function.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of active inversion unit possessing timesharing energy-storage function, comprise the Active Power Filter-APF in parallel with electrical network, the control and drive system that described Active Power Filter-APF comprises inverter circuit and is connected with inverter circuit, described active inversion unit also comprises two-way pressure-adjustable power conversion module and energy-storage travelling wave tube, described inverter circuit, two-way power-adjustable modular converter, energy-storage travelling wave tube connect successively, and described two-way power-adjustable modular converter is connected with control and drive system;
When low power consumption, control and drive system controls inverter circuit and two-way power-adjustable modular converter carries out rectification, energy-storage travelling wave tube is charged, when peak of power consumption, control and drive system controls inverter circuit and two-way power-adjustable modular converter, by the electric energy of energy-storage travelling wave tube by two-way power-adjustable modular converter and inverter circuit inversion grid connection.
Described energy-storage travelling wave tube comprises storage battery or super capacitor.
Described two-way pressure-adjustable power conversion module comprises the buck-boost loop and Bidirectional charging-discharging loop that connect successively, described buck-boost loop is connected with inverter circuit, described Bidirectional charging-discharging loop is connected with energy-storage travelling wave tube, and described buck-boost loop is all connected with control and drive system with Bidirectional charging-discharging loop.
Described control and drive system comprises harmonic reactive-load compensation control module and charge and discharge control module at times, and described harmonic reactive-load compensation control module is connected with inverter circuit, and the described module of charge and discharge control is at times connected with two-way power-adjustable modular converter.
Described inverter circuit comprise the full-bridge modules that is made up of thyristor and with connect after be connected in parallel on two electric capacity at full-bridge modules two ends.
Compared with prior art, the utility model structure is simple, be provided with two-way pressure-adjustable power conversion module and energy-storage travelling wave tube, control strategy when low power consumption by rectification charges to energy-storage travelling wave tube, when peak of power consumption, alleviates with Voltage force by the electric energy of energy-storage travelling wave tube by the inverter circuit inversion grid connection of two-way power-adjustable modular converter and APF, reduce electricity cost, not only can compensation harmonic and reactive power, expense during peak of power consumption can also be reduced simultaneously, make full use of electric energy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
As shown in Figure 1, the utility model embodiment provides a kind of active inversion unit possessing timesharing energy-storage function, comprise the Active Power Filter-APF in parallel with electrical network, the control and drive system 4 that Active Power Filter-APF comprises inverter circuit 3 and is connected with inverter circuit 3, this active inversion unit also comprises two-way pressure-adjustable power conversion module 1 and energy-storage travelling wave tube 2, inverter circuit 3, two-way power-adjustable modular converter 1, energy-storage travelling wave tube 2 connect successively, and two-way power-adjustable modular converter 1 is connected with control and drive system 4.Energy-storage travelling wave tube comprises storage battery or super capacitor.Inverter circuit 3 comprise the full-bridge modules that is made up of thyristor and with connect after be connected in parallel on two electric capacity at full-bridge modules two ends.Two-way pressure-adjustable power conversion module 1 comprises the buck-boost loop and Bidirectional charging-discharging loop that connect successively, buck-boost loop is connected with inverter circuit 3, Bidirectional charging-discharging loop is connected with energy-storage travelling wave tube 2, and buck-boost loop is all connected with control and drive system 4 with Bidirectional charging-discharging loop.Wherein buck-boost loop is existing DC-DC change-over circuit, and as Buck/Boost converter etc., Bidirectional charging-discharging loop is the existing circuit that can be used for charging to energy-storage travelling wave tube, discharge.
Control and drive system 4 comprises harmonic reactive-load compensation control module and charge and discharge control module at times, and harmonic reactive-load compensation control module is connected with inverter circuit 3, and charge and discharge control module is connected with two-way power-adjustable modular converter 1 at times.
The above-mentioned operation principle possessing the active inversion unit of timesharing energy-storage function is: when low power consumption, control and drive system controls inverter circuit and two-way power-adjustable modular converter carries out rectification, energy-storage travelling wave tube is charged, when peak of power consumption, control and drive system controls inverter circuit and two-way power-adjustable modular converter, by the electric energy of energy-storage travelling wave tube by two-way power-adjustable modular converter and inverter circuit inversion grid connection, not only can compensation harmonic and reactive power, expense during peak of power consumption can also be reduced simultaneously.
Claims (5)
1. one kind possesses the active inversion unit of timesharing energy-storage function, comprise the Active Power Filter-APF in parallel with electrical network, the control and drive system that described Active Power Filter-APF comprises inverter circuit and is connected with inverter circuit, it is characterized in that, described active inversion unit also comprises two-way pressure-adjustable power conversion module and energy-storage travelling wave tube, described inverter circuit, two-way power-adjustable modular converter, energy-storage travelling wave tube connect successively, and described two-way power-adjustable modular converter is connected with control and drive system;
When low power consumption, control and drive system controls inverter circuit and two-way power-adjustable modular converter carries out rectification, energy-storage travelling wave tube is charged, when peak of power consumption, control and drive system controls inverter circuit and two-way power-adjustable modular converter, by the electric energy of energy-storage travelling wave tube by two-way power-adjustable modular converter and inverter circuit inversion grid connection.
2. the active inversion unit possessing timesharing energy-storage function according to claim 1, it is characterized in that, described energy-storage travelling wave tube comprises storage battery or super capacitor.
3. the active inversion unit possessing timesharing energy-storage function according to claim 1, it is characterized in that, described two-way pressure-adjustable power conversion module comprises the buck-boost loop and Bidirectional charging-discharging loop that connect successively, described buck-boost loop is connected with inverter circuit, described Bidirectional charging-discharging loop is connected with energy-storage travelling wave tube, and described buck-boost loop is all connected with control and drive system with Bidirectional charging-discharging loop.
4. the active inversion unit possessing timesharing energy-storage function according to claim 1, it is characterized in that, described control and drive system comprises harmonic reactive-load compensation control module and charge and discharge control module at times, described harmonic reactive-load compensation control module is connected with inverter circuit, and the described module of charge and discharge control is at times connected with two-way power-adjustable modular converter.
5. the active inversion unit possessing timesharing energy-storage function according to claim 1, is characterized in that, described inverter circuit comprise the full-bridge modules that is made up of thyristor and with connect after be connected in parallel on two electric capacity at full-bridge modules two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420807043.6U CN204407913U (en) | 2014-12-17 | 2014-12-17 | Possesses the active inversion unit of timesharing energy-storage function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420807043.6U CN204407913U (en) | 2014-12-17 | 2014-12-17 | Possesses the active inversion unit of timesharing energy-storage function |
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| CN204407913U true CN204407913U (en) | 2015-06-17 |
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| CN201420807043.6U Active CN204407913U (en) | 2014-12-17 | 2014-12-17 | Possesses the active inversion unit of timesharing energy-storage function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762823A (en) * | 2014-12-17 | 2016-07-13 | 利思电气（上海）有限公司 | Active inverter unit having time-sharing energy storage function |
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2014
- 2014-12-17 CN CN201420807043.6U patent/CN204407913U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762823A (en) * | 2014-12-17 | 2016-07-13 | 利思电气（上海）有限公司 | Active inverter unit having time-sharing energy storage function |
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