CN201726151U - System capable of feeding back loaded electric energy of alternating current equipment to power grid - Google Patents
System capable of feeding back loaded electric energy of alternating current equipment to power grid Download PDFInfo
- Publication number
- CN201726151U CN201726151U CN2010201802134U CN201020180213U CN201726151U CN 201726151 U CN201726151 U CN 201726151U CN 2010201802134 U CN2010201802134 U CN 2010201802134U CN 201020180213 U CN201020180213 U CN 201020180213U CN 201726151 U CN201726151 U CN 201726151U
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- alternating current
- microprocessor controls
- current
- output equipment
- electric energy
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Abstract
The utility model discloses a system capable of feeding back loaded electric energy of alternating current equipment to a power grid, comprising a mains supply network, direct current output equipment and alternating current output equipment, wherein the alternating current output equipment is connected with the mains supply network and the direct current output equipment and is connected with a microcontroller-controlled AC/DC (Alternating Current/Direct Current) conversion module, which simulates various load characteristics and has a PFC (Power Factor Correction) property, the microcontroller-controlled AC/DC (Alternating Current/Direct Current) conversion module, which simulates various load characteristics and has the PFC (Power Factor Correction) property, is connected with a microcontroller-controlled and PWN (Pulse Width Modification)-modulated active grid-connected inversion module which is connected with the mains supply network; and a mains supply network phase detection module is connected between the microcontroller-controlled and PWN-modulated active grid-connected inversion module and the mains supply network. The system of the utility model can be used for efficiently feeding back the electric energy loaded from the alternating current output equipment to the mains supply network.
Description
Technical field
The utility model relate to a kind of can be with the system of the electric energy loaded feedback grid of alternating current equipment.
Background technology
In the present alternating current equipment production process must through long-term repeatedly, the fully loaded test just can be finished down, increase production cost during this time wastes energy, various countries' alternating current equipment production industry for this reason, for energy recovery is utilized problem, and made various designs, but also there is not a cover successful design system till now.
The utility model content
For overcoming deficiency of the prior art, the purpose of this utility model be to provide a kind of can be with the system of the electric energy loaded feedback grid of alternating current equipment, this system can draw the efficient feedback of electric energy of carrying to return electricity network from exchanging output equipment.
For solving the problems of the technologies described above, realize above-mentioned technique effect, the utility model has adopted following technical scheme:
A kind of can be with the system of the electric energy loaded feedback grid of alternating current equipment, comprise electricity network or direct current output equipment, comprise that also one connects the interchange output equipment of described electricity network or direct current output equipment, described interchange output equipment connects a microprocessor controls and simulates various load characteristics and have source PFC power factor correction function AC/DC conversion module, described microprocessor controls is simulated various load characteristics and is had source PFC power factor correction function AC/DC conversion module and connect a microprocessor controls PWM and modulate active parallel network reverse module, and described microprocessor controls PWM modulates active parallel network reverse module and connects electricity network; Described microprocessor controls PWM modulates and also is connected with an electricity network detecting phase module between active parallel network reverse module and the electricity network.
Further, described microprocessor controls is simulated various load characteristics and is had source PFC power factor correction function AC/DC conversion module and be transformed to the direct current of the required amplitude of parallel network reverse by the alternating current that utilizes PWM four-quadrant pulsewidth current transformer technology, transient current to stagnate the ring control technology, will exchange output equipment output by microprocessor controls, and the fictitious load characteristic curve waveform that AC current waveform tracking microcontroller is got from man-computer interface or compunication.
Further, microprocessor controls is simulated various load characteristics to have source PFC power factor correction function AC/DC conversion module is three-phase alternating current PFC rectification circuit or single phase alternating current (A.C.) PFC rectification circuit.
Further, described microprocessor controls PWM modulates the direct current that active parallel network reverse module is come by microprocessor controls, with prime AC/DC conversion, it is opposite with the utility grid voltage that detects to stagnate by PWM four-quadrant pulsewidth current transformer technology, transient current that ring control technology or frequency multiplication SPWM technology are transformed to current phase, and power factor is connected to the grid for-1 alternating current.
The beneficial effects of the utility model are: various load characteristics can be simulated (as constant current, ladder lifting, linear lifting by system of the present utility model, instantaneous saltus step, inductive load, capacitive load, resistive load and their combination etc.) and will be thus draw the efficient feedback of electric energy of carrying to return electricity network from exchanging output equipment, from and can realize effect of saving energy.
The utility model is described in more detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a system principle diagram of the present utility model.
Fig. 2 is a three-phase alternating current PFC rectification circuit of the present utility model.
Fig. 3 is a single phase alternating current (A.C.) PFC rectification circuit of the present utility model.
Number in the figure explanation: 1. electricity network or direct current output equipment, 2. interchange output equipment, 3. microprocessor controls is simulated various load characteristics and is had source PFC power factor correction function AC/DC conversion module, 4. microprocessor controls PWM modulates active parallel network reverse module, 5. electricity network, 6. electricity network detecting phase module.
Embodiment
See also shown in Figure 1, a kind of can be with the system of the electric energy loaded feedback grid of alternating current equipment, comprise electricity network or direct current output equipment 1, comprise that also one connects the interchange output equipment 2 of described electricity network or direct current output equipment 1, described interchange output equipment 2 connections one microprocessor controls is simulated various load characteristics and is had source PFC power factor correction function AC/DC conversion module 3, described microprocessor controls is simulated various load characteristics and is had source PFC power factor correction function AC/DC conversion module 3 and connect a microprocessor controls PWM and modulate active parallel network reverse module 4, and described microprocessor controls PWM modulates active parallel network reverse module 4 and connects electricity networks 5; Described microprocessor controls PWM modulates and also is connected with an electricity network detecting phase module 6 between active parallel network reverse module 4 and the electricity network 5.
Further, described microprocessor controls is simulated various load characteristics and is had source PFC power factor correction function AC/DC conversion module 3 and be transformed to the direct current of the required amplitude of parallel network reverse by the alternating current that utilizes PWM four-quadrant pulsewidth current transformer technology, transient current to stagnate the ring control technology, will exchange output equipment output by microprocessor controls, and the fictitious load characteristic curve waveform that AC current waveform tracking microcontroller is got from man-computer interface or compunication.
Further described electricity network 5 is showed the access electrical network that exchanges the output equipment power supply, can be single-phase or three-phase.
Further, described interchange output equipment 3 general references obtain electric energy and electric energy are converted into the equipment of exporting that exchanges from electricity network or other direct current output equipments.For example UPS, frequency converter, combining inverter, variable frequency power supply, AC voltage regulator etc.
Preferably, described microprocessor controls is simulated various load characteristics and is had source PFC power factor correction function AC/DC conversion module 3 and be three-phase alternating current PFC rectification circuit, as shown in Figure 2, Va, Vb, Vc, Va ', Vb ', Vc ' are the high frequency power switching device among Fig. 2, they adopt the ring control output PWM wave mode that stagnates to drive by drive circuit by microcontroller according to the target current waveform, with the control input power factor.
Preferably, described microprocessor controls is simulated various load characteristics and is had source PFC power factor correction function AC/DC conversion module 3 and be single phase alternating current (A.C.) PFC rectification circuit, as described in Figure 3, Va, Vb, Va ', Vb ' are the high frequency power switching device among Fig. 3, they adopt the ring control output PWM wave mode that stagnates to drive by drive circuit by microcontroller according to the target current waveform, with the control input power factor.
Further, described microprocessor controls PWM modulates the direct current that active parallel network reverse module 4 is come by microprocessor controls, with prime AC/DC conversion, it is opposite with the utility grid voltage that detects to stagnate by PWM four-quadrant pulsewidth current transformer technology, transient current that ring control technology or frequency multiplication SPWM technology are transformed to current phase, and power factor is connected to the grid for-1 alternating current.
Claims (4)
1. an energy is with the system of the electric energy loaded feedback grid of alternating current equipment, comprise electricity network or direct current output equipment (1), it is characterized in that: comprise that also one connects the interchange output equipment (2) of described electricity network or direct current output equipment (1), described interchange output equipment (2) connection one microprocessor controls is simulated various load characteristics and is had source PFC power factor correction function AC/DC conversion module (3), described microprocessor controls is simulated various load characteristics and is had source PFC power factor correction function AC/DC conversion module (3) and connect a microprocessor controls PWM and modulate active parallel network reverse module (4), and described microprocessor controls PWM modulates active parallel network reverse module (4) and connects electricity network (5); Described microprocessor controls PWM modulates and also is connected with an electricity network detecting phase module (6) between active parallel network reverse module (4) and the electricity network (5).
2. according to claim 1 can be with the system of the electric energy loaded feedback grid of alternating current equipment, it is characterized in that: described microprocessor controls is simulated various load characteristics and is had source PFC power factor correction function AC/DC conversion module (3) and be transformed to the direct current of the required amplitude of parallel network reverse by the alternating current that utilizes PWM four-quadrant pulsewidth current transformer technology, transient current to stagnate the ring control technology, will exchange output equipment output by microprocessor controls, and the fictitious load characteristic curve waveform that AC current waveform tracking microcontroller is got from man-computer interface or compunication.
3. the according to claim 2 system of the electric energy loaded feedback grid of alternating current equipment can being is characterized in that: microprocessor controls is simulated various load characteristics, and to have source PFC power factor correction function AC/DC conversion module (3) be three-phase alternating current PFC rectification circuit or single phase alternating current (A.C.) PFC rectification circuit.
4. according to claim 1 can be with the system of the electric energy loaded feedback grid of alternating current equipment, it is characterized in that: described microprocessor controls PWM modulates the direct current that active parallel network reverse module (4) is come by microprocessor controls, with prime AC/DC conversion, it is opposite with the utility grid voltage that detects to stagnate by PWM four-quadrant pulsewidth current transformer technology, transient current that ring control technology or frequency multiplication SPWM technology are transformed to current phase, and power factor is connected to the grid for-1 alternating current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201802134U CN201726151U (en) | 2010-05-06 | 2010-05-06 | System capable of feeding back loaded electric energy of alternating current equipment to power grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201802134U CN201726151U (en) | 2010-05-06 | 2010-05-06 | System capable of feeding back loaded electric energy of alternating current equipment to power grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201726151U true CN201726151U (en) | 2011-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201802134U Expired - Fee Related CN201726151U (en) | 2010-05-06 | 2010-05-06 | System capable of feeding back loaded electric energy of alternating current equipment to power grid |
Country Status (1)
| Country | Link |
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| CN (1) | CN201726151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826732A (en) * | 2010-05-06 | 2010-09-08 | 苏州元泰自动化科技有限公司 | System capable of feeding electric energy loaded by alternating current equipment back to power grid |
-
2010
- 2010-05-06 CN CN2010201802134U patent/CN201726151U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826732A (en) * | 2010-05-06 | 2010-09-08 | 苏州元泰自动化科技有限公司 | System capable of feeding electric energy loaded by alternating current equipment back to power grid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20120506 |