CN214205540U - Communication system of valve control and converter valve - Google Patents
Communication system of valve control and converter valve Download PDFInfo
- Publication number
- CN214205540U CN214205540U CN202120389690.XU CN202120389690U CN214205540U CN 214205540 U CN214205540 U CN 214205540U CN 202120389690 U CN202120389690 U CN 202120389690U CN 214205540 U CN214205540 U CN 214205540U
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- optical
- valve
- valve control
- converter valve
- converter
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Abstract
The utility model belongs to the technical field of flexible direct current transmission converter valves, and discloses a communication system of a valve control and converter valve, which comprises a valve control interface board and a plurality of communication units, wherein each communication unit comprises an optical distributor, an optical collector and a plurality of converter valve modules; the receiving end of the optical distributor is connected with the valve control interface board, and the output end of the optical distributor is connected with the receiving end of each converter valve module and used for distributing one path of optical signals to the plurality of converter valve modules; the receiving end of the optical collector is connected with the output end of each converter valve module, and the transmitting end of the optical collector is connected with the valve control interface board and used for collecting and transmitting the multiple paths of optical signals to the valve control interface board. One-to-many optical fibers are adopted between the converter valve module and the valve control for data interaction, and the number of the adopted optical fibers is greatly reduced compared with that of the optical fibers in a conventional communication mode; and the number of the corresponding interface trigger plates can be reduced, and the valve control power consumption and the heat dissipation condition are reduced.
Description
Technical Field
The utility model belongs to the technical field of flexible direct current transmission converter valve, a communication system of valve accuse and converter valve is related to.
Background
The flexible DC transmission technology is a new type of DC transmission technology based on fully-controlled power electronic devices, voltage source converters and pulse width modulation technology. Compared with the conventional direct current, the flexible direct current transmission system has the advantages of no commutation failure, independent adjustment and control of active power and reactive power, low harmonic level, small occupied area, contribution to construction of a multi-terminal direct current system and the like, and is suitable for the fields of large-scale renewable energy grid connection, asynchronous interconnection of large-scale power grids, power supply to a passive network and the like. With the continuous improvement of technical parameters of high-power fully-controlled power electronic devices, the demonstration application of the flexible direct-current transmission technology in the aspects of high-voltage and high-capacity transmission projects is further accelerated.
The flexible direct-current transmission converter valve is a core device of flexible direct-current transmission, the valve control is the brain of the flexible direct-current transmission converter valve, whether the flexible direct-current transmission converter valve operates normally or not is directly related to safe and stable operation of the flexible direct-current transmission converter valve, in the flexible direct-current engineering, one-to-one optical fibers are adopted between the converter valve module and the valve control for data interaction, so that the number of the adopted optical fibers is large, and the power consumption of a screen cabinet is large and the requirement on heat dissipation conditions is severe due to the fact that a large number of optical fiber heads are arranged in a valve control optical fiber distribution screen.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects existing in the prior art, the utility model aims to provide a communication system of valve accuse and converter valve has solved the more problem of the optical fiber quantity that prior art exists.
The utility model discloses a realize through following technical scheme:
a communication system of valve control and converter valve comprises a valve control interface board and a plurality of communication units, wherein each communication unit comprises an optical distributor, an optical collector and a plurality of converter valve modules;
the receiving end of the optical distributor is connected with the valve control interface board, and the output end of the optical distributor is connected with the receiving end of each converter valve module and used for distributing one path of optical signals to the plurality of converter valve modules;
the receiving end of the optical collector is connected with the output end of each converter valve module, and the transmitting end of the optical collector is connected with the valve control interface board and used for collecting and transmitting the multiple paths of optical signals to the valve control interface board.
Further, an optical signal transmitter and an optical signal receiver are arranged in the converter valve module, the optical signal transmitter is connected with the optical distributor, and the optical signal receiver is connected with the optical collector.
Further, an optical signal transmitter and an optical signal receiver are integrated in the valve control interface board, the receiving end of the optical distributor is connected with the optical signal transmitter through a transmitting optical fiber, and the transmitting end of the optical collector is connected with the optical signal receiver through a receiving optical fiber.
Further, the optical distributor and the optical collector employ an optical coupler.
Further, the optocoupler is model L2U4X 8S.
Furthermore, the receiving end of the optical distributor is connected with the valve control interface board through the transmitting optical fiber.
Further, the sending end of the optical collector is connected with the valve control interface board through a receiving optical fiber.
Further, the number of converter valve modules is 6.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a communication system of valve accuse and converter valve adds between the receiving end of valve accuse interface board and converter valve module and has established the optical distributor, adds between the sending end of converter valve module and valve accuse interface board and has established the light collector, divide into the multichannel through the optical distributor light signal all the way, and every converter valve module is connected to the light collector, and multichannel light signal assembles through the light collector again and becomes to send the valve accuse interface board all the way. One-to-many optical fibers are adopted between the converter valve module and the valve control for data interaction, so that the number of the adopted optical fibers is greatly reduced compared with that of the optical fibers in a conventional communication mode; the quantity of the corresponding interface trigger plates can be reduced, the valve control power consumption and the heat dissipation condition are reduced, the safe and stable operation of the power electronic device is ensured, and the equipment damage and the power failure loss caused by the valve control power consumption and the heat dissipation condition are reduced.
Drawings
Fig. 1 is a schematic block diagram of a communication system of a valve control and converter valve according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1, the utility model discloses a communication system of valve control and converter valve, which comprises a valve control interface board and a plurality of communication units, wherein each communication unit comprises an optical distributor, an optical collector and a plurality of converter valve modules; the receiving end of the optical distributor is connected with the valve control interface board through the transmitting optical fiber, and the output end of the optical distributor is connected with the receiving end of each converter valve module and used for distributing one path of optical signals to the plurality of converter valve modules; the receiving end of the optical collector is connected with the output end of each converter valve module, and the transmitting end of the optical collector is connected with the valve control interface board through a receiving optical fiber and used for collecting and transmitting the multiple paths of optical signals to the valve control interface board.
An optical signal transmitter and an optical signal receiver are integrated in the valve control interface board; the receiving end of the optical distributor is connected with the optical signal transmitter through the transmitting optical fiber, and the transmitting end of the optical collector is connected with the optical signal receiver through the receiving optical fiber.
An optical signal transmitter and an optical signal receiver are arranged in the converter valve module, the optical signal transmitter is connected with the optical distributor, and the optical signal receiver is connected with the optical collector.
Specifically, the optical distributor and the optical concentrator adopt optical couplers, and the model of the optical couplers can adopt L2U4X 8S.
The description will be given taking 6 converter valve modules as an example. The valve control interface board comprises a valve control interface board, wherein 1 path of optical signal transmitter is connected to an optical distributor, the optical signal is divided into 6 paths by the optical distributor, and the optical signals are sequentially transmitted to optical signal receivers of 6 converter valve modules from 1 path to 6 paths. And the optical signal transmitters of the 6 converter valve modules are connected to the optical collector and sequentially transmitted to the optical signal receiver of the valve control interface board through the optical collector according to the sequence of 1-6 paths. By designing a one-to-many communication mechanism, the number of communication optical fibers is reduced, and the valve control power consumption and the heat dissipation condition are reduced.
The utility model relates to a communication mechanism more reduces communication optical fiber quantity, reduces valve accuse consumption and heat dissipation condition and guarantees power electronic device's safety and stability operation, reduces equipment damage and the power loss that causes because of valve accuse consumption and heat dissipation condition.
Claims (8)
1. A communication system of valve control and converter valve is characterized by comprising a valve control interface board and a plurality of communication units, wherein each communication unit comprises an optical distributor, an optical collector and a plurality of converter valve modules;
the receiving end of the optical distributor is connected with the valve control interface board, and the output end of the optical distributor is connected with the receiving end of each converter valve module and used for distributing one path of optical signals to the plurality of converter valve modules;
the receiving end of the optical collector is connected with the output end of each converter valve module, and the transmitting end of the optical collector is connected with the valve control interface board and used for collecting and transmitting the multiple paths of optical signals to the valve control interface board.
2. The valve-regulated and converter valve communication system according to claim 1, wherein the converter valve module is internally provided with an optical signal transmitter and an optical signal receiver, the optical signal transmitter is connected with the optical distributor, and the optical signal receiver is connected with the optical collector.
3. The valve control and converter valve communication system of claim 1, wherein the valve control interface board has an optical signal transmitter and an optical signal receiver integrated therein, the receiving end of the optical distributor is connected to the optical signal transmitter via a transmitting optical fiber, and the transmitting end of the optical collector is connected to the optical signal receiver via a receiving optical fiber.
4. The valve control and converter valve communication system of claim 1, wherein the optical distributor and the optical collector employ optical couplers.
5. The valve control and converter valve communication system of claim 4, wherein the optocoupler is L2U4X 8S.
6. The valve control and converter valve communication system of claim 1, wherein the receiving end of the optical splitter is connected to the valve control interface board via a transmission fiber.
7. The valve control and converter valve communication system of claim 1, wherein the sending end of the optical manifold is connected to the valve control interface board via a receiving fiber.
8. The valve control and converter valve communication system according to claim 1, wherein the number of converter valve modules is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120389690.XU CN214205540U (en) | 2021-02-22 | 2021-02-22 | Communication system of valve control and converter valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120389690.XU CN214205540U (en) | 2021-02-22 | 2021-02-22 | Communication system of valve control and converter valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214205540U true CN214205540U (en) | 2021-09-14 |
Family
ID=77639222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120389690.XU Active CN214205540U (en) | 2021-02-22 | 2021-02-22 | Communication system of valve control and converter valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214205540U (en) |
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2021
- 2021-02-22 CN CN202120389690.XU patent/CN214205540U/en active Active
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