CN205104918U - Big power convertor principal and subordinate control system - Google Patents
Big power convertor principal and subordinate control system Download PDFInfo
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- CN205104918U CN205104918U CN201520898434.8U CN201520898434U CN205104918U CN 205104918 U CN205104918 U CN 205104918U CN 201520898434 U CN201520898434 U CN 201520898434U CN 205104918 U CN205104918 U CN 205104918U
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Abstract
The utility model discloses a big power convertor principal and subordinate control system, including external control system and at least one principal and subordinate's converter group, principal and subordinate's converter group including a main convertor and at least one from the converter, the main convertor that the external control system passes through in control network and the principal and subordinate's converter group is connected, the main convertor passes through the main network and is connected being connected from the converter in organizing through principal and subordinate's network and this principal and subordinate converter with the main convertor in other principal and subordinate's converter groups. The utility model has the advantages of the trouble redundancy is good, can realize the excision of trouble equipment on -line, and dilatation convenient and fast, the nimble convenience of system configuration, control are simply.
Description
Technical field
The utility model relates to Electric control field, particularly relates to a kind of high-power converter master & slave control system.
Background technology
Along with the development of new energy field, lot of domestic and foreign enterprises marches wind-powered electricity generation, photovoltaic industry and regenerative electric energy one after another and utilizes field.Wherein Reproduceable electricity recycling aspect Yi Cheng rail regenerating braking energy recovery, hybrid vehicle etc. to grow stronger day by day development for the new industry of representative, also more and more higher to AC/DC converter system capacity requirements.Absorb field at wind-powered electricity generation, photovoltaic and city rail regenerating braking energy, it is even higher that available electric energy mostly is MW class, and many employing high power semi-conductor unsteady flow module controls modes, to realize the two-way flow of electric energy.Be limited to present power semiconductor device development level, unsteady flow modular power is 100kW ~ 1MW and many employing multiple-variable flow device series-parallel systems, and single cabinet capacity is many lower than 2MW.For realizing more than 2MW great power conversion circuit, many cabinets, the multiple-variable flow module series-parallel system of adopting realizes more.Adopt many cabinets, multimode series-parallel system, for relatively independent converter control system, how to ensure the synchronism of multiple control system, rapidity, real-time, and solve parallel current-sharing, fault redundance, the problems such as failure removal are quite crucial.
Utility model content
The technical problems to be solved in the utility model is just: the technical problem existed for prior art, and the utility model provides that a kind of fault redundance is good, faulty equipment excises online, dilatation is convenient and swift, system configuration is flexible, control simple high-power converter master & slave control system.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is: a kind of high-power converter master & slave control system, comprise external control system 1 and at least one principal and subordinate's current transformer group 2, described principal and subordinate's current transformer group 2 comprises a main convertor 21 and at least one from current transformer 22;
Described external control system 1 is connected with the main convertor 21 in principal and subordinate's current transformer group 2 by net control, the running status of monitoring principal and subordinate current transformer group 2, and to principal and subordinate's current transformer group 2 sending controling instruction;
Described main convertor 21 is connected with external control system 1 by net control, and externally control system 1 transmits the running state information of principal and subordinate's current transformer group 2, receives the control command from external control system 1 simultaneously;
Described main convertor 21 is connected with the main convertor 21 in other principal and subordinate's current transformer group 2 by master network, transmits the running state information of described principal and subordinate's current transformer group 2 to other main convertor 21, and receives the running state information from other principal and subordinate's current transformer group 2;
Described main convertor 21, by master-slave network and being connected from current transformer 22 in this principal and subordinate current transformer group 2, monitors the running state information from current transformer 22, and to from current transformer 22 sending controling instruction;
Describedly to be connected with the main convertor 21 this principal and subordinate current transformer group 2 by master-slave network from current transformer 22, to send this running state information from current transformer 22 to main convertor 21, receive the control command from main convertor 21 simultaneously.
As further improvement of the utility model, described external control system 1 comprises System control computer 11 and control system communication module 12; Described System control computer 11 for carrying out analyzing and processing to the running state information of principal and subordinate's current transformer group 2, and to main convertor 21 sending controling instruction; Described control system communication module 12 is for realizing the communication between System control computer 11 and each main convertor 21.
As further improvement of the utility model, described main convertor 21 comprises the first communication module 211, first control module 212 and at least one the first unsteady flow module 213;
Described first communication module 211 comprises the first upper machine communication port 2111, first lan port 2112 and the first master-slave communication port 2113; Described first upper machine communication port 2111 is connected with external control system 1 by described net control, for the communication of described external control system 1; Described first lan port 2112 is connected with other main convertor 21 by described master network, for other main convertor 21 communication; Described first master-slave communication port 2113 by described master-slave network and being connected from current transformer 22 in this principal and subordinate current transformer group 2, for described from current transformer 22 communication;
Described first control module 212 is connected with the first communication module 211, the control command received for the treatment of the first communication module 211 and state information, and outwards sends information by the first communication module 211; Described first control module 212 is connected with the first unsteady flow module 213, for monitoring and controlling the running status of the first unsteady flow module 213;
Described first unsteady flow module 213, according to the control command of the first control module 212, realizes unsteady flow function.
As further improvement of the utility model, describedly comprise the second communication module 221, second control module 222 and at least one the second unsteady flow module 223 from current transformer 22;
Described second communication module 221 comprises the second master-slave communication port 2213, and described second master-slave communication port 2213 is connected with the main convertor 21 in this principal and subordinate current transformer group 2 by described master-slave network, for the communication of described main convertor 21;
Described second control module 222 is connected with the second communication module 221, the control command received for the treatment of the second communication module 221 and state information, and outwards sends information by the second communication module 221; Described second control module 222 is connected with the second unsteady flow module 223, for monitoring and controlling the running status of the second unsteady flow module 223;
Described second unsteady flow module 223, according to the control command of the second control module 222, realizes unsteady flow function.
As further improvement of the utility model, described the second communication module 221 from current transformer 22 also comprises the second upper machine communication port 2211 and the second lan port 2212; Described second upper machine communication port 2211 can be connected with external control system 1 by described net control, for the communication of described external control system 1; Described second lan port 2212 can be connected with other main convertor 21 by described master network, for other main convertor 21 communication.
Compared with prior art, the utility model has the advantage of:
1, the utility model peripheral control system is connected with the main convertor in multiple principal and subordinate's current transformer group by network, by top layer control information, can manage simultaneously, effectively can ensure the real-time of system responses to multiple principal and subordinate's current transformer group.The flexibility of system configuration.
2, in the utility model, principal and subordinate's current transformer group is connected by master network, can transmit the information such as current transformer state information and operational factor in real time, effectively can ensure that each principal and subordinate's current transformer group running status is synchronous, effectively realize the reasonable distribution of power and capacity.When a main convertor breaks down, fault current transformer can be excised online, the normal work of other principal and subordinate's current transformer group and whole system can not be affected, and redistributing of power can be realized between each principal and subordinate's current transformer group.When needs expansion capacity, only need principal and subordinate's current transformer group to add network, can System Expansion be realized.
3, in the utility model, principal and subordinate's current transformer group adopts one master and multiple slaves structure, and cascade network, can realize the dilatation of principal and subordinate's current transformer group and master and slave current transformer fault redundance flexibly.
Accompanying drawing explanation
Fig. 1 is a kind of high-power converter master & slave control of the utility model system configuration schematic diagram.
Fig. 2 is a kind of high-power converter master & slave control of the utility model its exterior Control system architecture schematic diagram.
Fig. 3 is a kind of high-power converter master & slave control of the utility model system main convertor structural representation.
Fig. 4 is that a kind of high-power converter master & slave control of the utility model system is from converter structure schematic diagram.
Marginal data: 1, external control system; 11, System control computer; 12, control system communication module; 2, principal and subordinate's current transformer group; 21, main convertor; 211, the first communication module; 2111, the first upper machine communication port; 2112, the first lan port; 2113, the first master-slave communication port; 212, the first control module; 213, the first unsteady flow module; 22, from current transformer; 221, the second communication module; 2211, the second upper machine communication port; 2212, the second lan port; 2213, the second master-slave communication port; 222, the second control module; 223, the second unsteady flow module.
Embodiment
Below in conjunction with Figure of description and concrete preferred embodiment, the utility model is further described, but does not therefore limit protection range of the present utility model.
As shown in Figure 1, a kind of high-power converter master & slave control of the utility model system, comprises external control system 1 and at least one principal and subordinate's current transformer group 2, and principal and subordinate's current transformer group 2 comprises a main convertor 21 and at least one from current transformer 22; External control system 1 is connected with the main convertor 21 in principal and subordinate's current transformer group 2 by net control, the running status of monitoring principal and subordinate current transformer group 2, and to principal and subordinate's current transformer group 2 sending controling instruction; Main convertor 21 is connected with external control system 1 by net control, and externally control system 1 transmits the running state information of principal and subordinate's current transformer group 2, receives the control command from external control system 1 simultaneously; Main convertor 21 is connected with the main convertor 21 in other principal and subordinate's current transformer group 2 by master network, transmits the running state information of this principal and subordinate current transformer group 2 to other main convertor 21, and receives the running state information from other principal and subordinate's current transformer group 2; Main convertor 21, by master-slave network and being connected from current transformer 22 in this principal and subordinate current transformer group 2, monitors the running state information from current transformer 22, and to from current transformer 22 sending controling instruction; Be connected with the main convertor 21 this principal and subordinate current transformer group 2 by master-slave network from current transformer 22, send originally from the running state information of current transformer 22 to main convertor 21, receive the control command from main convertor 21 simultaneously.In the present embodiment, running state information comprises state information and parameter information.
As shown in Figure 2, in the present embodiment, external control system 1 comprises System control computer 11 and control system communication module 12; System control computer 11 for carrying out analyzing and processing to the running state information of principal and subordinate's current transformer group 2, and to main convertor 21 sending controling instruction; Described control system communication module 12 is for realizing the communication between System control computer 11 and each main convertor 21.In the present embodiment, System control computer is a technical grade computer, and communication module is the industrial PLC Programmable Logic Controller of band communication apparatus, and communication module is connected with main convertor by optical fiber.
As shown in Figure 3, in the present embodiment, main convertor 21 comprises the first communication module 211, first control module 212 and at least one the first unsteady flow module 213; First communication module 211 comprises the first upper machine communication port 2111, first lan port 2112 and the first master-slave communication port 2113; First upper machine communication port 2111 is connected with external control system 1 by net control, for external control system 1 communication; First lan port 2112 is connected with other main convertor 21 by master network, for other main convertor 21 communication; First master-slave communication port 2113 by master-slave network and being connected from current transformer 22 in this principal and subordinate current transformer group 2, for from current transformer 22 communication; First control module 212 is connected with the first communication module 211, the control command received for the treatment of the first communication module 211 and state information, and outwards sends information by the first communication module 211; First control module 212 is connected with the first unsteady flow module 213 simultaneously, for monitoring and controlling the running status of the first unsteady flow module 213; First unsteady flow module 213, according to the control command of the first control module 212, realizes unsteady flow function.
As shown in Figure 4, in the present embodiment, the second communication module 221, second control module 222 and at least one the second unsteady flow module 223 is comprised from current transformer 22; Second communication module 221 is comprised the second master-slave communication port 2213, second master-slave communication port 2213 and is connected with the main convertor 21 in this principal and subordinate current transformer group 2 by master-slave network, for the communication of described main convertor 21; Second control module 222 is connected with the second communication module 221, the control command received for the treatment of the second communication module 221 and state information, and outwards sends information by the second communication module 221; Second control module 222 is connected with the second unsteady flow module 223 simultaneously, for monitoring and controlling the running status of the second unsteady flow module 223; Second unsteady flow module 223, according to the control command of the second control module 222, realizes unsteady flow function.It should be noted that, the second upper machine communication port 2211 and the second lan port 2212 can also be comprised from the second communication module 221 of current transformer 22; Second upper machine communication port 2211 can be connected with external control system 1 by net control, for the communication of described external control system 1; Second lan port 2212 can be connected with other main convertor 21 by master network, for other main convertor 21 communication.That is, the structural design identical with main convertor can be adopted from current transformer, when main convertor 21 in principal and subordinate's current transformer group 2 break down cannot work time, only need simple adjustment configuration main convertor to be connected with from the network between current transformer to configure and software design patterns, just can realize main convertor easily and from the exchange between current transformer, the normal work of fast quick-recovery principal and subordinate current transformer group.
In the present embodiment, when in master network, the main convertor 21 of principal and subordinate's current transformer group 2 breaks down, external control system 1 and other main convertor 21 can obtain this main convertor 21 fault status information, and rapidly operational factor is adjusted, redistribute power, reach new power match and sharing control, realize the fault redundance of main convertor 21.
When breaking down from current transformer 22 in principal and subordinate's current transformer group 2, main convertor 21 in this principal and subordinate's current transformer group 2 monitors this from current transformer 22 malfunction, in time fault can be closed from current transformer 22, cut out system, and by fault message by network advertisement external control system 1 and other main convertor 21, each main convertor 21 pairs of main convertors 21 and adjusting from the operational factor of current transformer 22, redistribute power, reach new power match and sharing control, realize the fault redundance from current transformer 22.
In the present embodiment, when needs increase power system capacity, can increase new for current transformer 22 in principal and subordinate's current transformer group 2, and by being connected with main convertor 21 by network from current transformer 22 of newly increasing, or in main variable flow network, increase new principal and subordinate's current transformer group 2, and main convertor 21 will be newly increased be connected with net control and master network; Each main convertor 21 passes through the new system parameters of Network Capture, and according to system parameters adjustment main convertor 21 and the operational factor from current transformer 22, redistributes power, reach new power match and sharing control, be i.e. the dilatation of completion system.
In the present embodiment, the topological structure of net control, master network and master-slave network can adopt the network topology structures such as ring network, bus-network etc. are many, its Network Transfer Media can adopt the multiple network such as optical fiber, twisted-pair feeder transmission medium to reach, and adaptability is good, networking flexibility.
Above-mentioned just preferred embodiment of the present utility model, not does any pro forma restriction to the utility model.Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (5)
1. a high-power converter master & slave control system, it is characterized in that: comprise external control system (1) and at least one principal and subordinate's current transformer group (2), described principal and subordinate's current transformer group (2) comprises a main convertor (21) and at least one from current transformer (22);
Described external control system (1) is connected with the main convertor (21) in principal and subordinate's current transformer group (2) by net control, the running status of monitoring principal and subordinate's current transformer group (2), and to principal and subordinate's current transformer group (2) sending controling instruction;
Described main convertor (21) is connected with external control system (1) by net control, and externally control system (1) transmits the running state information of principal and subordinate's current transformer group (2), receives the control command from external control system (1) simultaneously;
Described main convertor (21) is connected with the main convertor (21) in other principal and subordinate's current transformer group (2) by master network, transmit the running state information of described principal and subordinate's current transformer group (2) to other main convertor (21), and receive the running state information from other principal and subordinate's current transformer group (2);
Described main convertor (21), by master-slave network and being connected from current transformer (22) in this principal and subordinate current transformer group (2), monitors the running state information from current transformer (22), and to from current transformer (22) sending controling instruction;
Describedly to be connected with the main convertor (21) this principal and subordinate current transformer group (2) from current transformer (22) by master-slave network, send originally from the running state information of current transformer (22) to main convertor (21), receive the control command from main convertor (21) simultaneously.
2. high-power converter master & slave control system according to claim 1, is characterized in that: described external control system (1) comprises System control computer (11) and control system communication module (12); Described System control computer (11) for carrying out analyzing and processing to the running state information of principal and subordinate's current transformer group (2), and to main convertor (21) sending controling instruction; Described control system communication module (12) is for realizing the communication between System control computer (11) and each main convertor (21).
3. high-power converter master & slave control system according to claim 1, is characterized in that: described main convertor (21) comprises the first communication module (211), the first control module (212) and at least one the first unsteady flow module (213);
Described first communication module (211) comprises the first upper machine communication port (2111), the first lan port (2112) and the first master-slave communication port (2113); Described first upper machine communication port (2111) is connected with external control system (1) by described net control, for described external control system (1) communication; Described first lan port (2112) is connected with other main convertor (21) by described master network, for other main convertor (21) communication; Described first master-slave communication port (2113) by described master-slave network and being connected from current transformer (22) in this principal and subordinate current transformer group (2), for described from current transformer (22) communication;
Described first control module (212) is connected with the first communication module (211), the control command received for the treatment of the first communication module (211) and state information, and outwards sends information by the first communication module (211); Described first control module (212) is connected with the first unsteady flow module (213), for monitoring and controlling the running status of the first unsteady flow module (213);
Described first unsteady flow module (213), according to the control command of the first control module (212), realizes unsteady flow function.
4. high-power converter master & slave control system according to claim 1, is characterized in that: describedly comprise the second communication module (221), the second control module (222) and at least one the second unsteady flow module (223) from current transformer (22);
Described second communication module (221) comprises the second master-slave communication port (2213), described second master-slave communication port (2213) is connected with the main convertor (21) in this principal and subordinate current transformer group (2) by described master-slave network, for described main convertor (21) communication;
Described second control module (222) is connected with the second communication module (221), the control command received for the treatment of the second communication module (221) and state information, and outwards sends information by the second communication module (221); Described second control module (222) is connected with the second unsteady flow module (223), for monitoring and controlling the running status of the second unsteady flow module (223);
Described second unsteady flow module (223), according to the control command of the second control module (222), realizes unsteady flow function.
5. high-power converter master & slave control system according to claim 4, is characterized in that: described the second communication module (221) from current transformer (22) also comprises the second upper machine communication port (2211) and the second lan port (2212); Described second upper machine communication port (2211) can be connected with external control system (1) by described net control, for described external control system (1) communication; Described second lan port (2212) can be connected with other main convertor (21) by described master network, for other main convertor (21) communication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520898434.8U CN205104918U (en) | 2015-11-12 | 2015-11-12 | Big power convertor principal and subordinate control system |
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| CN201520898434.8U CN205104918U (en) | 2015-11-12 | 2015-11-12 | Big power convertor principal and subordinate control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240934A (en) * | 2017-06-16 | 2017-10-10 | 华北电力大学（保定） | Alternating current-direct current mixing microgrid multi-mode operation control method for coordinating and smooth-switching method |
| CN107508454A (en) * | 2017-07-28 | 2017-12-22 | 中车大连电力牵引研发中心有限公司 | Converter cabinet level parallel method and system |
| CN108767893A (en) * | 2018-04-28 | 2018-11-06 | 杭州电子科技大学 | It is suitable for the active and slave current control device of new energy distributed grid-connected current transformer |
-
2015
- 2015-11-12 CN CN201520898434.8U patent/CN205104918U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240934A (en) * | 2017-06-16 | 2017-10-10 | 华北电力大学（保定） | Alternating current-direct current mixing microgrid multi-mode operation control method for coordinating and smooth-switching method |
| CN107240934B (en) * | 2017-06-16 | 2020-03-13 | 华北电力大学（保定） | AC/DC hybrid micro-grid multi-mode operation coordination control method and smooth switching method |
| CN107508454A (en) * | 2017-07-28 | 2017-12-22 | 中车大连电力牵引研发中心有限公司 | Converter cabinet level parallel method and system |
| CN107508454B (en) * | 2017-07-28 | 2023-02-10 | 中车大连电力牵引研发中心有限公司 | Converter cabinet level parallel connection method and system |
| CN108767893A (en) * | 2018-04-28 | 2018-11-06 | 杭州电子科技大学 | It is suitable for the active and slave current control device of new energy distributed grid-connected current transformer |
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZH CSR TIMES ELECTRIC Co.,Ltd. |
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