CN201726150U - System capable of feeding direct-current equipment-loaded electric energy back to electric network - Google Patents
System capable of feeding direct-current equipment-loaded electric energy back to electric network Download PDFInfo
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- CN201726150U CN201726150U CN2010201802030U CN201020180203U CN201726150U CN 201726150 U CN201726150 U CN 201726150U CN 2010201802030 U CN2010201802030 U CN 2010201802030U CN 201020180203 U CN201020180203 U CN 201020180203U CN 201726150 U CN201726150 U CN 201726150U
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- microprocessor controls
- direct current
- pwm
- output equipment
- electricity network
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Abstract
The utility model discloses a system capable of feeding direct-current equipment-loaded electric energy back to an electric network, which comprises a commercial electricity network or direct-current output equipment and also comprises direct-current output equipment connected with the commercial electricity network or the direct-current output equipment, wherein the direct-current output equipment is connected with a microcontroller-controlled DC/DC (Direct Current/ Direct Current) conversion module for simulating various load characteristics, the microcontroller-controlled DC/DC conversion module for simulating various load characteristics is connected with a microcontroller-controlled PWM (Pulse-Width Modulation) active grid-connected inversion module, and the microcontroller-controlled PWM active grid-connected inversion module is connected with the commercial electricity network; and a commercial electricity network phase detection module is also connected between the microcontroller-controlled PWM active grid-connected inversion module and the commercial electricity network. The system of the utility model can simulate various load characteristics and efficiently feed the electric energy loaded on the direct-current output equipment back to the commercial electricity network, thereby the effect of energy saving also can be realized.
Description
Technical field
The utility model relate to a kind of can be with the system of DC equipment load power energy feedback grid.
Background technology
In the present DC 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' DC 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 DC equipment load power energy feedback grid, this system can draw the efficient feedback of electric energy of carrying to return electricity network by the direct current 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 DC equipment load power energy feedback grid, comprise electricity network or direct current output equipment, comprise that also one connects the direct current output equipment of described electricity network or direct current output equipment, described direct current output equipment connects a microprocessor controls and simulates various load characteristic DC/DC conversion modules, described microprocessor controls is simulated various load characteristic DC/DC conversion modules and is connected a microprocessor controls PWM and modulate active parallel network reverse module, and described microprocessor controls PWM modulates active parallel network reverse module and connects described 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 characteristic DC/DC conversion modules and by microprocessor controls the direct current of direct current output equipment output is transformed to the direct current of the required amplitude of parallel network reverse, and makes direct current load Control Parameter (V, I, P, R) follow the tracks of the fictitious load characteristic curve waveform that microcontroller gets from man-computer interface or compunication.
Further, described microprocessor controls PWM modulates active parallel network reverse module and passes through microprocessor controls, the direct current that prime DC/DC conversion is next, 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.
Preferably, to modulate active parallel network reverse module be the three-phase PWM active-inverter to described microprocessor controls PWM.
Preferably, to modulate active parallel network reverse module be the single-phase PWM active-inverter to described microprocessor controls PWM.
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 etc.) and will be thus draw the efficient feedback of electric energy of carrying to return electricity network, from the direct current 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 PWM active inversion principle schematic of the present utility model.
Fig. 3 is a single-phase PWM active inversion principle schematic of the present utility model.
Number in the figure explanation: 1. electricity network or direct current output equipment, 2. direct current output equipment, 3. microprocessor controls is simulated various load characteristic DC/DC conversion modules, and 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 DC equipment load power energy feedback grid, comprise electricity network or direct current output equipment 1, comprise that also one connects the direct current output equipment 2 of described electricity network or direct current output equipment 1, described direct current output equipment 2 connects a microprocessor controls and simulates various load characteristic DC/DC conversion modules 3, described microprocessor controls is simulated various load characteristic DC/DC conversion modules 3 connections one microprocessor controls PWM and is modulated active parallel network reverse module 4, and described microprocessor controls PWM modulates active parallel network reverse module 4 and connects described 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.
Further, described microprocessor controls is simulated various load characteristic DC/DC conversion modules 3 and by microprocessor controls the direct current of direct current output equipment 2 output is transformed to the direct current of the required amplitude of parallel network reverse, and makes direct current load Control Parameter (V, I, P, R) follow the tracks of the fictitious load characteristic curve waveform that microcontroller gets from man-computer interface or compunication.
Further, described microprocessor controls PWM modulates active parallel network reverse module 4 and passes through microprocessor controls, the direct current that prime DC/DC conversion is next, 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.
Preferably, described microprocessor controls PWM modulates active parallel network reverse module 4 and is the three-phase PWM active-inverter.As shown in Figure 2, Va, Vb, Vc, Va ', Vb ', Vc ' are the high frequency power switching device among the figure, they adopt current hysteresis ring control algolithm or frequency multiplication SPWM algorithm output PWM wave mode by drive circuit to drive by sample circuit sampling back according to the target current waveform phase by microcontroller, make output current wave and the urban network electricity corrugating that samples differ 180 °.To control output power factor is-1, thereby realizes being incorporated into the power networks with electricity network and can not producing interference to city's net.
Preferably, described microprocessor controls PWM modulates active parallel network reverse module 4 and is the single-phase PWM active-inverter.As shown in Figure 3, Va, Vb, Va ', Vb ' are the high frequency power switching device among the figure, they adopt current hysteresis ring control algolithm or frequency multiplication SPWM algorithm output PWM wave mode by drive circuit to drive by sample circuit sampling back according to the target current waveform phase by microcontroller, make output current wave and the urban network electricity corrugating that samples differ 180 °.To control output power factor is-1, thereby realizes being incorporated into the power networks with electricity network and can not producing interference to city's net.
Claims (4)
1. an energy is with the system of DC equipment load power energy feedback grid, comprise electricity network or direct current output equipment (1), it is characterized in that: comprise that also one connects the direct current output equipment (2) of described electricity network or direct current output equipment (1), described direct current output equipment (2) connects a microprocessor controls and simulates various load characteristic DC/DC conversion modules (3), described microprocessor controls is simulated various load characteristic DC/DC conversion modules (3) connection one microprocessor controls PWM and is modulated active parallel network reverse module (4), and described microprocessor controls PWM modulates active parallel network reverse module (4) and connects described 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 DC equipment load power energy feedback grid, it is characterized in that: described microprocessor controls is simulated various load characteristic DC/DC conversion modules (3) and by microprocessor controls the direct current of direct current output equipment (2) output is transformed to the direct current of the required amplitude of parallel network reverse, and makes direct current load Control Parameter (V, I, P, R) follow the tracks of the fictitious load characteristic curve waveform that microcontroller gets from man-computer interface or compunication.
3. according to claim 2 can be with the system of DC equipment load power energy feedback grid, it is characterized in that: described microprocessor controls PWM modulates active parallel network reverse module (4) and passes through microprocessor controls, the direct current that prime DC/DC conversion is next, 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.
4. the according to claim 3 system of DC equipment load power energy feedback grid can being is characterized in that: described microprocessor controls PWM modulates active parallel network reverse module (4) and is three-phase PWM active-inverter or single-phase PWM active-inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201802030U CN201726150U (en) | 2010-05-06 | 2010-05-06 | System capable of feeding direct-current equipment-loaded electric energy back to electric network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201802030U CN201726150U (en) | 2010-05-06 | 2010-05-06 | System capable of feeding direct-current equipment-loaded electric energy back to electric network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201726150U true CN201726150U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201802030U Expired - Fee Related CN201726150U (en) | 2010-05-06 | 2010-05-06 | System capable of feeding direct-current equipment-loaded electric energy back to electric network |
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| Country | Link |
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| CN (1) | CN201726150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826731A (en) * | 2010-05-06 | 2010-09-08 | 苏州元泰自动化科技有限公司 | System capable of feeding DC equipment load power energy back to commercial power network |
-
2010
- 2010-05-06 CN CN2010201802030U patent/CN201726150U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826731A (en) * | 2010-05-06 | 2010-09-08 | 苏州元泰自动化科技有限公司 | System capable of feeding DC equipment load power energy back to commercial power network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU FUBAKE NEW ENERGY CO., LTD. Free format text: FORMER OWNER: YUANTAI AUTOMATION TECHNOLOGY (SUZHOU) CO., LTD. Effective date: 20110419 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215200 3/F, BUILDING 1, NO. 399, LINQUAN STREET, DUSHUHU HIGHER EDUCATION AREA, INDUSTRIAL PARK, SUZHOU CITY, JIANGSU PROVINCE TO: 215163 ROOM 202, BUILDING M3, NO. 2, PEIYUAN ROAD, TECHNOLOGY CITY, SUZHOU HIGH-TECH. ZONE, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110419 Address after: 215163 Jiangsu hi tech Zone of Suzhou science and technology city eswell Road No. 2 building 202 room M3 Patentee after: Suzhou Fubake new energy Co. Ltd. Address before: 215200 Jiangsu city of Suzhou province Dushu Lake Industrial Park High Linquan parish Street No. 399 Building 1 layer 3 Patentee before: Yuantai Automation Technology (Suzhou) Co., Ltd. |
|
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Junfeng Inventor after: Zhao Li Inventor before: Wu Junfeng |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WU JUNFENG TO: WU JUNFENG ZHAO LI |
|
| DD01 | Delivery of document by public notice |
Addressee: Suzhou Fubake new energy Co. Ltd. Wu Junfeng Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20110506 |