CN103166299A - Converter valve control system inside direct current converter station - Google Patents
Converter valve control system inside direct current converter station Download PDFInfo
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- CN103166299A CN103166299A CN2011104095276A CN201110409527A CN103166299A CN 103166299 A CN103166299 A CN 103166299A CN 2011104095276 A CN2011104095276 A CN 2011104095276A CN 201110409527 A CN201110409527 A CN 201110409527A CN 103166299 A CN103166299 A CN 103166299A
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- integrated circuit
- circuit board
- valve control
- power supply
- power source
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- 230000008878 coupling Effects 0.000 claims abstract description 25
- 238000010168 coupling process Methods 0.000 claims abstract description 25
- 238000005859 coupling reaction Methods 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000010792 warming Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention relates to a converter valve control system inside a direct current converter station. An A route power source is connected with a first power source switching module and a second power source switching module, a B route power source is connected with a third power source switching module and a fourth power source switching module, the first power source switching module and the third power source switching module are respectively connected to an input end of a first coupling diode module through a first controllable switch and a second controllable switch, an output end of the first coupling diode module is connected to two power source board cards of a first valve control board card, and the second power source switching module and the forth power source switching module are respectively connected to two power source board cards of a second valve control board card. Each power source switching module is monitored by a monitoring system. When any rote of power source or any power source switching module has a fault, the converter valve control system can still transmit electricity to the outside safely and stably and the monitor system can emit warming to prompt the circuit or the power source switching module which has the fault so as to guarantee quickness and effectiveness of repair.
Description
Technical field
The present invention relates to a kind of field of power system control, refer in particular to converter valve control system in a kind of DC converter station.
Background technology
At present, the control panel cabinet of the converter valve control system of domestic DC converter station all adopts dual system single supply mode to power.With reference to Fig. 1, the control panel cabinet comprises U2 layer valve control integrated circuit board and U9 layer valve control integrated circuit board, U2 layer valve control integrated circuit board comprises U2 layer power supply integrated circuit board A and U2 layer power supply integrated circuit board B, U9 layer valve control integrated circuit board comprises U9 layer power supply integrated circuit board A and U9 layer power supply integrated circuit board B, power supply integrated circuit board A and power supply integrated circuit board B are respectively by A road power supply and B road Power supply, A road power supply and B road power supply arrange respectively again 2 tunnel power transfer module, and finally exporting independently, four-way power supply is separately respectively four power supply integrated circuit boards power supplies.
In above-mentioned supply power mode, in A road power supply and B road power supply in arbitrary road power failure or four power transfer module any one modular converter fault all can cause valve manipulate stock quotations cabinet a power supply integrated circuit board cisco unity malfunction to cause the converter valve control system to occur abnormal, DC transmission system is caused disturbance, have fail safe, stable hidden danger; Simultaneously, existing system can not in time find it is incoming power fault or power transfer module fault when system breaks down, the efficient of impact maintenance.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of external transmission of electricity that still can be safe, stable when arbitrary road power failure or any one power transfer module fault, and can monitor the interior converter valve control system of DC converter station of the fault of power transfer module.
For solving the problems of the technologies described above, the technical scheme that the present invention takes is:
Converter valve control system in a kind of DC converter station, comprise: the first valve control integrated circuit board and second valve control integrated circuit board, described the first valve control integrated circuit board comprises the first power supply integrated circuit board A and the first power supply integrated circuit board B, and described second valve control integrated circuit board comprises second source integrated circuit board A and second source integrated circuit board B;
Be A road power supply and the B road power supply of the power supply of the first valve control integrated circuit board and second valve control integrated circuit board;
The first power transfer module and the second source modular converter that are connected with A road power supply, the 3rd power transfer module and the 4th power transfer module that are connected with B road power supply;
It is characterized in that: described the first power transfer module is connected with the first coupling diode module two inputs respectively with the 3rd power transfer module, coupling diode module output connects the first power supply integrated circuit board A and the first power supply integrated circuit board B of the first valve control integrated circuit board, is both power supplies; Described second source modular converter is connected with the second coupling diode module input with the 4th power transfer module, and coupling diode module output connects second source integrated circuit board A and the second source integrated circuit board B of second valve control integrated circuit board, is both power supplies.
Further, described coupling diode module model is QUINT-DIODE/40.
Further, described four power transfer module outputs connect respectively a gate-controlled switch, and four power transfer module are connected with the coupling diode module input by the gate-controlled switch of output connection separately respectively.
Further, be provided with the detection of power loss signal output part in described four power transfer module, this output is connected to respectively supervisory control system, is pointed out by monitoring system alarming after power down.
Compared with prior art, the present invention has following beneficial effect: the external transmission of electricity that the converter valve control system still can be safe, stable when arbitrary road power failure or any one power transfer module fault, and supervisory control system can be sent circuit or power transfer module that alarm breaks down, and is effective fast with what guarantee to keep in repair.
Description of drawings
Fig. 1 is the winding diagram of the interior converter valve control system of DC converter station in prior art;
Fig. 2 is the system block diagram of the embodiment of the present invention.
Embodiment
For ease of those skilled in the art's understanding, the present invention is described in further detail below in conjunction with drawings and the specific embodiments.
With reference to Fig. 2, converter valve control system in a kind of DC converter station comprises: A road power supply, B road power supply the first valve control integrated circuit board and second valve control integrated circuit board, first to fourth power transfer module, first to fourth gate-controlled switch, the first and second coupling diode modules.
In the present embodiment, A road power supply and B road power supply are the 110V power supply, four power transfer module are the 110/24V DC/DC power transfer module of same model, parameter, coupling diode module model is QUINT-DIODE/40, it is equivalent to the two-way diode, two-way diode input does not connect, and output is connected in parallel.Described the first valve control integrated circuit board comprises the first power supply integrated circuit board A and the first power supply integrated circuit board B, and described second valve control integrated circuit board comprises second source integrated circuit board A and second source integrated circuit board B; The first power supply integrated circuit board A and the first power supply integrated circuit board B are respectively U2 layer power supply integrated circuit board A and U2 layer power supply integrated circuit board B, and second source integrated circuit board A and second source integrated circuit board B are respectively U9 layer power supply integrated circuit board A and U9 layer power supply integrated circuit board B.
A road power supply connects the first power transfer module and second source modular converter, B road power supply connection the 3rd power transfer module and the 4th power transfer module; The first power transfer module is connected with the first coupling diode module two inputs by the first gate-controlled switch, the 3rd gate-controlled switch respectively with the 3rd power transfer module, and this coupling diode module output connects the first power supply integrated circuit board A and the first power supply integrated circuit board B of the first valve control integrated circuit board; Described second source modular converter is connected with the second coupling diode module input by the second gate-controlled switch, the 4th gate-controlled switch respectively with the 4th power transfer module, and this coupling diode module output connects second source integrated circuit board A and the second source integrated circuit board B of second valve control integrated circuit board.
Be provided with the detection of power loss signal output part in described four power transfer module, this output is connected to respectively supervisory control system, is pointed out by monitoring system alarming after power down.
The present embodiment operation principle is: system when normal operation, and four equal conductings of gate-controlled switch, A road power supply and B road power supply are four power transfer module normal power supplies.But according to this coupling diode modular character, only have one road diode current flow in the coupling diode module, another road diode is in off state, namely only has one road power supply using in U2A and U2B power transfer module, and another road is at stand-by state.In using, after the power transfer module fault of a certain road, standby power supply can come into operation automatically, and in U2A, U2B, U9A, U9B four-way power supply modular converter, arbitrary road fault does not all affect the manipulate stock quotations power supply of cabinet of valve like this.
When arbitrary road power failure, for example when A road power supply breaks down, the supply power mode of system is, B road power supply is the power supply integrated circuit board A of U2 floor valve control integrated circuit board and power supply integrated circuit board B power supply by the 3rd power transfer module, gate-controlled switch 2, the first coupling diode, and B road power supply is power supply integrated circuit board A and the power supply integrated circuit board B power supply of U9 floor valve control integrated circuit board by the 4th power transfer module, gate-controlled switch 4, the second coupling diode.When breaking down, supervisory control system can disconnect gate-controlled switch 1 and gate-controlled switch 3, and the safety of keeping in repair is guaranteed in the isolation that realizes power supply, simultaneously monitoring system alarming prompting abort situation guarantee to keep in repair fast, effectively.When B road power supply breaks down, the operation principle of system is the same.
When the first power transfer module breaks down, the manipulate stock quotations U9 layer valve control integrated circuit board supply power mode of cabinet of valve is constant, and the power supply integrated circuit board A of U2 floor valve control integrated circuit board and power supply integrated circuit board B by B road power supply by the 3rd power transfer module, gate-controlled switch 2, the first coupling diode module for power supply; Supervisory control system disconnects gate-controlled switch 1 when breaking down, and the safety of keeping in repair is guaranteed in the isolation that realizes power supply, simultaneously monitoring system alarming prompting abort situation guarantee to keep in repair fast, effectively.When other power transfer module break down, the operation principle of system is the same.
Be more than some specific implementation of the present invention, it describes comparatively concrete and detailed, but can not therefore be interpreted as limitation of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, any apparent replacement form all belongs to protection scope of the present invention.
Claims (4)
1. converter valve control system in a DC converter station comprises:
The first valve control integrated circuit board and second valve control integrated circuit board, described the first valve control integrated circuit board comprises the first power supply integrated circuit board A and the first power supply integrated circuit board B, described second valve control integrated circuit board comprises second source integrated circuit board A and second source integrated circuit board B;
Be A road power supply and the B road power supply of the power supply of the first valve control integrated circuit board and second valve control integrated circuit board;
The first power transfer module and the second source modular converter that are connected with A road power supply, the 3rd power transfer module and the 4th power transfer module that are connected with B road power supply;
It is characterized in that: described the first power transfer module is connected with the first coupling diode module two inputs respectively with the 3rd power transfer module, coupling diode module output connects the first power supply integrated circuit board A and the first power supply integrated circuit board B of the first valve control integrated circuit board, is both power supplies; Described second source modular converter is connected with the second coupling diode module input with the 4th power transfer module, and coupling diode module output connects second source integrated circuit board A and the second source integrated circuit board B of second valve control integrated circuit board, is both power supplies.
2. converter valve control system in DC converter station according to claim 1, it is characterized in that: described coupling diode module model is QUINT-DIODE/40.
3. converter valve control system in DC converter station according to claim 1, it is characterized in that: described four power transfer module outputs connect respectively a gate-controlled switch, and four power transfer module are connected with the coupling diode module input by the gate-controlled switch of output connection separately respectively.
4. converter valve control system in DC converter station according to claim 1 and 2, it is characterized in that: be provided with the detection of power loss signal output part in described four power transfer module, this output is connected to respectively supervisory control system, is pointed out by monitoring system alarming after power down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104095276A CN103166299A (en) | 2011-12-12 | 2011-12-12 | Converter valve control system inside direct current converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104095276A CN103166299A (en) | 2011-12-12 | 2011-12-12 | Converter valve control system inside direct current converter station |
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| Publication Number | Publication Date |
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| CN103166299A true CN103166299A (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104095276A Pending CN103166299A (en) | 2011-12-12 | 2011-12-12 | Converter valve control system inside direct current converter station |
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| CN (1) | CN103166299A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912176A (en) * | 2019-12-09 | 2020-03-24 | 中国南方电网有限责任公司超高压输电公司 | High-reliability power supply method for converter valve controller |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0908001B1 (en) * | 1996-06-25 | 2006-08-09 | Eaton Power Quality Corporation | Independent load sharing of ac power systems connected in parallel |
| CN101777790A (en) * | 2009-12-30 | 2010-07-14 | 北京宇航系统工程研究所 | Reliable power supply circuit of triple redundancy embedded computer system |
| CN102214918A (en) * | 2011-06-15 | 2011-10-12 | 艾默生网络能源有限公司 | High-reliability power supply system, method and frequency converter system |
-
2011
- 2011-12-12 CN CN2011104095276A patent/CN103166299A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0908001B1 (en) * | 1996-06-25 | 2006-08-09 | Eaton Power Quality Corporation | Independent load sharing of ac power systems connected in parallel |
| CN101777790A (en) * | 2009-12-30 | 2010-07-14 | 北京宇航系统工程研究所 | Reliable power supply circuit of triple redundancy embedded computer system |
| CN102214918A (en) * | 2011-06-15 | 2011-10-12 | 艾默生网络能源有限公司 | High-reliability power supply system, method and frequency converter system |
Non-Patent Citations (1)
| Title |
|---|
| 王中堂: "浅谈双路电源自动投切供电在AFC中的应用", 《现代城市轨道交通》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912176A (en) * | 2019-12-09 | 2020-03-24 | 中国南方电网有限责任公司超高压输电公司 | High-reliability power supply method for converter valve controller |
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| ASS | Succession or assignment of patent right |
Owner name: STATE GRID OPERATION CO., LTD. SHANGHAI SUPERHIGH- Effective date: 20130608 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: STATE GRID OPERATION CO., LTD. SHANGHAI SUPERHIGH-VOLTAGE MANAGEMENT OFFICE Effective date: 20130608 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 201413 FENGXIAN, SHANGHAI TO: 100000 XICHENG, BEIJING |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20130608 Address after: 100000 No. 86 West Chang'an Avenue, Beijing, Xicheng District Applicant after: State Grid Corporation of China Applicant after: State Grid Operation Co., Ltd. Shanghai Superhigh-Voltage Management Office Address before: 201413, Shanghai Fengxian District four village town cross bridge village UHV Fengxian converter station Applicant before: State Grid Operation Co., Ltd. Shanghai Superhigh-Voltage Management Office |
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Application publication date: 20130619 |