CN202004679U - Fiber-optic drive adapter for three-phase photovoltaic grid-connected inverter - Google Patents
Fiber-optic drive adapter for three-phase photovoltaic grid-connected inverter Download PDFInfo
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- CN202004679U CN202004679U CN201120091009XU CN201120091009U CN202004679U CN 202004679 U CN202004679 U CN 202004679U CN 201120091009X U CN201120091009X U CN 201120091009XU CN 201120091009 U CN201120091009 U CN 201120091009U CN 202004679 U CN202004679 U CN 202004679U
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- phase
- optical transceiver
- bipolar transistor
- insulated gate
- gate bipolar
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- 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
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Abstract
The utility model relates to the field of optoelectronics, in particular to a fiber-optic drive adapter for a three-phase photovoltaic grid-connected inverter. The fiber-optic drive adapter comprises a control core, conditioning circuits 1 and 2 and fiber optic transceivers FIBER1 and FIBER2. Compared with the prior art, the fiber-optic drive adapter adopting fiber optic transmission is endowed with higher anti-jamming capability, longer transmission distance and more convenience of mounting, thereby realizing the reliable transmission of control signals and state feedback signals and the remote transmission of the control signals and monitoring signals in the photovoltaic grid-connected inverter, and enhancing the transmission reliability and noise immunity of the control and feedback signals in the high-power photovoltaic grid-connected inverter.
Description
Technical field
The utility model relates to photoelectric field, and specifically a kind of optical fiber of three-phase photovoltaic grid-connected inverting device drives adapter.
Background technology
Along with the fast development of solar energy generation technology, the power of photovoltaic DC-to-AC converter is increasing, and as its core devices, the operating voltage and the operating current of insulated gate bipolar transistor are also more and more higher, and electromagnetic interference also strengthens accordingly.Therefore, must improve the antijamming capability of insulated gate bipolar transistor drive signal.
Growth along with photovoltaic DC-to-AC converter power; the driving of insulated gate bipolar transistor is shifted to transformer isolation from direct driving, light-coupled isolation; and ripe driving nuclear appearred; functions such as insulated gate bipolar transistor gate-drive, state-detection, error protection, electrical isolation that it is general integrated; at this moment control nuclear being connected of nuclear just seems particularly important with driving, and needs a safe and reliable high performance adapter.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of anti-interference optical fiber that is used for the three-phase photovoltaic grid-connected inverting device to drive adapter.
In order to achieve the above object, the utility model comprises control nuclear, modulate circuit 1, modulate circuit 2, fiber optical transceiver FIBER1 and fiber optical transceiver FIBER2, it is characterized in that: control unit, it is integrated with nearly control end fiber optical transceiver to drive the conditioning unit, control nuclear, modulate circuit 1 and fiber optical transceiver FIBER1 are welded on the control unit, drive nuclear, the insulated gate bipolar transistor unit, conditioning unit and nearly power end fiber optical transceiver are integrated, modulate circuit 2, fiber optical transceiver FIBER2 is welded on the keyset, drive nuclear, the insulated gate bipolar transistor unit adopts flat cable to be connected with keyset, and fiber optical transceiver FIBER1 adopts optical fiber to be connected with fiber optical transceiver FIBER2.
The input TOP-A of the drive signal of the three phase full bridge A phase insulated gate bipolar transistor upper arm of described fiber optical transceiver FIBER1 and the three phase full bridge A of the described fiber optical transceiver FIBER2 output TOP-A employing optical fiber connection of the drive signal of insulated gate bipolar transistor upper arm mutually.
The input BOT-A of the drive signal of the three phase full bridge A phase insulated gate bipolar transistor underarm of described fiber optical transceiver FIBER1 and the three phase full bridge A of the described fiber optical transceiver FIBER2 output BOT-A employing optical fiber connection of the drive signal of insulated gate bipolar transistor underarm mutually.
The output ERR-A of the status signal of the three phase full bridge A phase insulated gate bipolar transistor of described fiber optical transceiver FIBER1 and the three phase full bridge A of the described fiber optical transceiver FIBER2 input ERR-A employing optical fiber connection of the status signal of insulated gate bipolar transistor mutually.
The input TOP-B of the drive signal of the three phase full bridge B phase insulated gate bipolar transistor upper arm of described fiber optical transceiver FIBER1 and the three phase full bridge B of the described fiber optical transceiver FIBER2 output TOP-B employing optical fiber connection of the drive signal of insulated gate bipolar transistor upper arm mutually.
The input BOT-B of the drive signal of the three phase full bridge B phase insulated gate bipolar transistor underarm of described fiber optical transceiver FIBER1 and the three phase full bridge B of the described fiber optical transceiver FIBER2 output BOT-B employing optical fiber connection of the drive signal of insulated gate bipolar transistor underarm mutually.
The output ERR-B of the status signal of the three phase full bridge B phase insulated gate bipolar transistor of described fiber optical transceiver FIBER1 and the three phase full bridge B of the described fiber optical transceiver FIBER2 input ERR-B employing optical fiber connection of the status signal of insulated gate bipolar transistor mutually.
The input TOP-C of the drive signal of the three phase full bridge C phase insulated gate bipolar transistor upper arm of described fiber optical transceiver FIBER1 and the three phase full bridge C of the described fiber optical transceiver FIBER2 output TOP-C employing optical fiber connection of the drive signal of insulated gate bipolar transistor upper arm mutually.
The input BOT-C of the drive signal of the three phase full bridge C phase insulated gate bipolar transistor underarm of described fiber optical transceiver FIBER1 and the three phase full bridge C of the described fiber optical transceiver FIBER2 output BOT-C employing optical fiber connection of the drive signal of insulated gate bipolar transistor underarm mutually.
The output ERR-C of the status signal of the three phase full bridge C phase insulated gate bipolar transistor of described fiber optical transceiver FIBER1 and the three phase full bridge C of the described fiber optical transceiver FIBER2 input ERR-C employing optical fiber connection of the status signal of insulated gate bipolar transistor mutually.
The utility model is compared with prior art, adopt Optical Fiber Transmission, make and drive adapter and get that antijamming capability is stronger, transmission range is farther, installation is more convenient, thereby in photovoltaic combining inverter, realize the reliable transmission of control signal and state feedback signal, the long-distance transmissions of control signal and pilot signal; The reliability and the immunity to interference of the transmission of Control and Feedback signal have been strengthened in the high-power photovoltaic synchronization inverter.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model.
Embodiment
Now in conjunction with the accompanying drawings the utility model is described further.
Referring to Fig. 1, the utility model comprises control nuclear, modulate circuit 1, modulate circuit 2, fiber optical transceiver FIBER1 and fiber optical transceiver FIBER2.Control unit, driving conditioning unit are with closely the control end fiber optical transceiver is integrated, control nuclear, modulate circuit 1 and fiber optical transceiver FIBER1 are welded on the control unit, it is integrated to drive nuclear, insulated gate bipolar transistor unit, conditioning unit and nearly power end fiber optical transceiver, modulate circuit 2, fiber optical transceiver FIBER2 are welded on the keyset, driving nuclear, insulated gate bipolar transistor unit adopt flat cable to be connected with keyset, and fiber optical transceiver FIBER1 adopts optical fiber to be connected with fiber optical transceiver FIBER2.
Totally three brachium pontis in the three phase full bridge, each brachium pontis has a two-way drive signal and a line state detection signal, has nine optical fiber.The input TOP-A of the drive signal of the three phase full bridge A phase insulated gate bipolar transistor upper arm of fiber optical transceiver FIBER1 and the three phase full bridge A of the fiber optical transceiver FIBER2 output TOP-A employing optical fiber connection of the drive signal of insulated gate bipolar transistor upper arm mutually.The input BOT-A of the drive signal of the three phase full bridge A phase insulated gate bipolar transistor underarm of fiber optical transceiver FIBER1 and the three phase full bridge A of the fiber optical transceiver FIBER2 output BOT-A employing optical fiber connection of the drive signal of insulated gate bipolar transistor underarm mutually.The output ERR-A of the status signal of the three phase full bridge A phase insulated gate bipolar transistor of fiber optical transceiver FIBER1 and the three phase full bridge A of the fiber optical transceiver FIBER2 input ERR-A employing optical fiber connection of the status signal of insulated gate bipolar transistor mutually.The input TOP-B of the drive signal of the three phase full bridge B phase insulated gate bipolar transistor upper arm of fiber optical transceiver FIBER1 and the three phase full bridge B of the fiber optical transceiver FIBER2 output TOP-B employing optical fiber connection of the drive signal of insulated gate bipolar transistor upper arm mutually.The input BOT-B of the drive signal of the three phase full bridge B phase insulated gate bipolar transistor underarm of fiber optical transceiver FIBER1 and the three phase full bridge B of the fiber optical transceiver FIBER2 output BOT-B employing optical fiber connection of the drive signal of insulated gate bipolar transistor underarm mutually.The output ERR-B of the status signal of the three phase full bridge B phase insulated gate bipolar transistor of fiber optical transceiver FIBER1 and the three phase full bridge B of the fiber optical transceiver FIBER2 input ERR-B employing optical fiber connection of the status signal of insulated gate bipolar transistor mutually.The input TOP-C of the drive signal of the three phase full bridge C phase insulated gate bipolar transistor upper arm of fiber optical transceiver FIBER1 and the three phase full bridge C of the fiber optical transceiver FIBER2 output TOP-C employing optical fiber connection of the drive signal of insulated gate bipolar transistor upper arm mutually.The input BOT-C of the drive signal of the three phase full bridge C phase insulated gate bipolar transistor underarm of fiber optical transceiver FIBER1 and the three phase full bridge C of the fiber optical transceiver FIBER2 output BOT-C employing optical fiber connection of the drive signal of insulated gate bipolar transistor underarm mutually.The output ERR-C of the status signal of the three phase full bridge C phase insulated gate bipolar transistor of fiber optical transceiver FIBER1 and the three phase full bridge C of the fiber optical transceiver FIBER2 input ERR-C employing optical fiber connection of the status signal of insulated gate bipolar transistor mutually.
During the utility model work, control nuclear output drive pulse signal sends to modulation circuit 1, modulation circuit 1 converts the drive pulse signal that receives and fiber optical transceiver FIBER1 to, the signal that fiber optical transceiver FIBER2 voltage is complementary, signal after modulation circuit 1 will be changed sends to fiber optical transceiver FIBER1, signal after fiber optical transceiver FIBER1 will change by optical fiber sends to fiber optical transceiver FIBER2, signal after fiber optical transceiver FIBER2 will change sends to modulation circuit 2, signal after the conversion that modulation circuit 2 will receive converts and drives the signal that core voltage is complementary once more to, simultaneously the state feedback signal that drives nuclear output is carried out logical operation.Optical fiber drives the end-of-job of adapter.
Claims (10)
1. the optical fiber of a three-phase photovoltaic grid-connected inverting device drives adapter, comprise control nuclear, modulate circuit 1, modulate circuit 2, fiber optical transceiver FIBER1 and fiber optical transceiver FIBER2, it is characterized in that: control unit, it is integrated with nearly control end fiber optical transceiver to drive the conditioning unit, control nuclear, modulate circuit 1 and fiber optical transceiver FIBER1 are welded on the control unit, drive nuclear, the insulated gate bipolar transistor unit, conditioning unit and nearly power end fiber optical transceiver are integrated, modulate circuit 2, fiber optical transceiver FIBER2 is welded on the keyset, drive nuclear, the insulated gate bipolar transistor unit adopts flat cable to be connected with keyset, and fiber optical transceiver FIBER1 adopts optical fiber to be connected with fiber optical transceiver FIBER2.
2. the optical fiber of a kind of three-phase photovoltaic grid-connected inverting device according to claim 1 drives adapter, it is characterized in that: the input TOP-A of the drive signal of the three phase full bridge A phase insulated gate bipolar transistor upper arm of described fiber optical transceiver FIBER1 and the three phase full bridge A of the described fiber optical transceiver FIBER2 output TOP-A employing optical fiber connection of the drive signal of insulated gate bipolar transistor upper arm mutually.
3. the optical fiber of a kind of three-phase photovoltaic grid-connected inverting device according to claim 1 drives adapter, it is characterized in that: the input BOT-A of the drive signal of the three phase full bridge A phase insulated gate bipolar transistor underarm of described fiber optical transceiver FIBER1 and the three phase full bridge A of the described fiber optical transceiver FIBER2 output BOT-A employing optical fiber connection of the drive signal of insulated gate bipolar transistor underarm mutually.
4. the optical fiber of a kind of three-phase photovoltaic grid-connected inverting device according to claim 1 drives adapter, it is characterized in that: the output ERR-A of the status signal of the three phase full bridge A phase insulated gate bipolar transistor of described fiber optical transceiver FIBER1 and the three phase full bridge A of the described fiber optical transceiver FIBER2 input ERR-A employing optical fiber connection of the status signal of insulated gate bipolar transistor mutually.
5. the optical fiber of a kind of three-phase photovoltaic grid-connected inverting device according to claim 1 drives adapter, it is characterized in that: the input TOP-B of the drive signal of the three phase full bridge B phase insulated gate bipolar transistor upper arm of described fiber optical transceiver FIBER1 and the three phase full bridge B of the described fiber optical transceiver FIBER2 output TOP-B employing optical fiber connection of the drive signal of insulated gate bipolar transistor upper arm mutually.
6. the optical fiber of a kind of three-phase photovoltaic grid-connected inverting device according to claim 1 drives adapter, it is characterized in that: the input BOT-B of the drive signal of the three phase full bridge B phase insulated gate bipolar transistor underarm of described fiber optical transceiver FIBER1 and the three phase full bridge B of the described fiber optical transceiver FIBER2 output BOT-B employing optical fiber connection of the drive signal of insulated gate bipolar transistor underarm mutually.
7. the optical fiber of a kind of three-phase photovoltaic grid-connected inverting device according to claim 1 drives adapter, it is characterized in that: the output ERR-B of the status signal of the three phase full bridge B phase insulated gate bipolar transistor of described fiber optical transceiver FIBER1 and the three phase full bridge B of the described fiber optical transceiver FIBER2 input ERR-B employing optical fiber connection of the status signal of insulated gate bipolar transistor mutually.
8. the optical fiber of a kind of three-phase photovoltaic grid-connected inverting device according to claim 1 drives adapter, it is characterized in that: the input TOP-C of the drive signal of the three phase full bridge C phase insulated gate bipolar transistor upper arm of described fiber optical transceiver FIBER1 and the three phase full bridge C of the described fiber optical transceiver FIBER2 output TOP-C employing optical fiber connection of the drive signal of insulated gate bipolar transistor upper arm mutually.
9. the optical fiber of a kind of three-phase photovoltaic grid-connected inverting device according to claim 1 drives adapter, it is characterized in that: the input BOT-C of the drive signal of the three phase full bridge C phase insulated gate bipolar transistor underarm of described fiber optical transceiver FIBER1 and the three phase full bridge C of the described fiber optical transceiver FIBER2 output BOT-C employing optical fiber connection of the drive signal of insulated gate bipolar transistor underarm mutually.
10. the optical fiber of a kind of three-phase photovoltaic grid-connected inverting device according to claim 1 drives adapter, it is characterized in that: the output ERR-C of the status signal of the three phase full bridge C phase insulated gate bipolar transistor of described fiber optical transceiver FIBER1 and the three phase full bridge C of the described fiber optical transceiver FIBER2 input ERR-C employing optical fiber connection of the status signal of insulated gate bipolar transistor mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120091009XU CN202004679U (en) | 2011-03-31 | 2011-03-31 | Fiber-optic drive adapter for three-phase photovoltaic grid-connected inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120091009XU CN202004679U (en) | 2011-03-31 | 2011-03-31 | Fiber-optic drive adapter for three-phase photovoltaic grid-connected inverter |
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| Publication Number | Publication Date |
|---|---|
| CN202004679U true CN202004679U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120091009XU Expired - Fee Related CN202004679U (en) | 2011-03-31 | 2011-03-31 | Fiber-optic drive adapter for three-phase photovoltaic grid-connected inverter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546881A (en) * | 2018-12-29 | 2019-03-29 | 西安中车永电电气有限公司 | High power Traction inverter power device |
-
2011
- 2011-03-31 CN CN201120091009XU patent/CN202004679U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546881A (en) * | 2018-12-29 | 2019-03-29 | 西安中车永电电气有限公司 | High power Traction inverter power device |
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| 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: 20111005 Termination date: 20140331 |