CN203690935U - Novel TSC reactive compensation controller - Google Patents
Novel TSC reactive compensation controller Download PDFInfo
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- CN203690935U CN203690935U CN201320895427.3U CN201320895427U CN203690935U CN 203690935 U CN203690935 U CN 203690935U CN 201320895427 U CN201320895427 U CN 201320895427U CN 203690935 U CN203690935 U CN 203690935U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 101150008604 CAN1 gene Proteins 0.000 description 1
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
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Abstract
The utility model discloses a novel TSC reactive compensation controller. The novel TSC reactive compensation controller is characterized by comprising a voltage detection circuit, a current detection circuit, a temperature control circuit, an analog-digital conversion circuit, a control unit, a switching and driving circuit, a communication circuit and a display circuit, wherein the control unit is a 32-bit ARM Cortex-M4 processor, and the voltage detection circuit and the current detection circuit are connected with a signal input terminal of the control unit via the analog-digital conversion circuit; the temperature control circuit is connected with the signal input terminal of the control unit, and a signal output terminal of the control unit is connected with the switching and driving circuit; an I/O port of the control unit is connected with the display circuit, and the signal output terminal of the control unit is connected with the communication circuit. The novel TSC reactive compensation controller of the utility model has the characteristics of good stability and high safety coefficient.
Description
Technical field
The utility model relates to electric power compensation technical field, particularly relates to a kind of TSC(thyristor series capacitor) idle compensating control.
Background technology
At present, electric reactive compensating control field is completed by idle compensating control and electric reactive compensating switching module two parts, find by practice, there is following defect in traditional reactive power compensator: one, due to the environment for use more complicated of reactive power compensator, in the time that ambient temperature amplitude of variation is larger, the semiconductor device of reactive power compensator inside can produce larger measure error, and then causes reactive power compensator normally to work; Two and any phase of most of idle compensating control collections draw the foundation as switching capacitance capacity without function signal without function signal or a phase current and another two phase voltages, therefore this mode is applicable to the distribution district with three-phase equilibrium, it likely caused and mends and owe to mend the system of three-phase imbalance, and electrical network and electric equipment exist certain potential safety hazard.
Utility model content
The technical problems to be solved in the utility model is: provide that a kind of coefficient of safety is high, the New Type TS C idle compensating control of good stability.
The technical scheme that the utility model is taked for the technical problem existing in solution known technology is:
A kind of New Type TS C idle compensating control, comprises voltage detecting circuit, current detection circuit, temperature control circuit, analog to digital conversion circuit, control unit, switching drive circuit, telecommunication circuit and display circuit; Wherein: described control unit is 32 ARM Cortex-M4 processors; Described voltage detecting circuit and current detection circuit are by the signal input part sub-connection of analog to digital conversion circuit and control unit; The signal input part sub-connection of described temperature control circuit and control unit; The signal output terminal of described control unit is connected with switching drive circuit; The I/O port of described control unit is connected with display circuit, and the signal output terminal of described control unit is connected with telecommunication circuit.
As optimal technical scheme, the utility model has also adopted following technical characterictic:
Further: described voltage detecting circuit comprises three voltage transformers, on the input terminal of each voltage transformer, be connected with a pressure limiting resistance, the lead-out terminal of each voltage transformer is electrically connected with the analog input terminal of analog to digital conversion circuit by OP07 amplifying circuit.
Further: described current detection circuit comprises three current transformers, the lead-out terminal of each current transformer is electrically connected with the analog input terminal of analog to digital conversion circuit by OP07 amplifying circuit.
Further: described temperature control circuit comprises an optocoupler, and the input terminal of described optocoupler is connected with current-limiting resistance, the lead-out terminal of described optocoupler is connected with the input terminal of 74LCX244M chip by pull-up resistor; The lead-out terminal of described 74LCX244M chip is connected with control unit.
Further: analog-digital conversion circuit as described is AD7606 A/D conversion system.
Further: described switching drive circuit comprises the SN74HC244DW chip with control unit signal output part sub-connection, described SN74HC244DW chip is connected with the input terminal of Darlington transistor by pressure limiting resistance, driving triode, optocoupler successively, and the lead-out terminal of described Darlington transistor is connected with switching indicator light by reactive compensation switching device.
Further: described telecommunication circuit comprises SN74HC126D chip, the USART1 pin of described control unit is connected with SN74HC126D chip, and described SN74HC126D chip is connected with optocoupler, MAX485 chip successively.
Further: described display circuit is LCD liquid crystal display.
Advantage and the good effect that the utlity model has are: by adopting technique scheme, because the utility model has increased temperature control circuit, therefore can reduce the New Type TS C idle compensating control power that is acted upon by temperature changes; Meanwhile, because the voltage detecting circuit in the utility model and current detection circuit are the Real-time Collection to three-phase voltage and three-phase current signal simultaneously, therefore can make up the defect that traditional unidirectional current and unidirectional voltage collection cause; And then the stability of raising New Type TS C idle compensating control, improve the coefficient of safety of its work.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is partial circuit diagram of the present utility model; Be mainly used in showing voltage detecting circuit;
Fig. 3 is partial circuit diagram of the present utility model; Be mainly used in showing current detection circuit;
Fig. 4 is partial circuit diagram of the present utility model; Be mainly used in showing temperature control circuit;
Fig. 5 is partial circuit diagram of the present utility model; Be mainly used in showing switching drive circuit;
Fig. 6 is partial circuit diagram of the present utility model; Be mainly used in display communication circuit.
Wherein: 1, voltage detecting circuit; 2, current detection circuit; 3, temperature control circuit; 4, analog to digital conversion circuit; 5, control unit; 6, switching drive circuit; 7, telecommunication circuit; 8, display circuit.
Embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 to Fig. 6, a kind of New Type TS C idle compensating control, comprises voltage detecting circuit 1, current detection circuit 2, temperature control circuit 3, analog to digital conversion circuit 4, control unit 5, switching drive circuit 6, telecommunication circuit 7 and display circuit 8; Wherein: control unit 5 is 32 ARM Cortex-M4 processors; Voltage detecting circuit 1 and current detection circuit 2 be the signal input part sub-connection with control unit 5 by analog to digital conversion circuit 4; Above-mentioned voltage detecting circuit 1 and current detection circuit 2 are transferred to control unit 5 by the information of voltage collecting and current information respectively; As preferably, detect in order realizing three-phase current and three-phase voltage when, as shown in Figures 2 and 3: the voltage detecting circuit 1 in this specific embodiment comprises voltage transformer pt 1, voltage transformer pt 2 and voltage transformer pt 3; On the input terminal of voltage transformer pt 1, be connected with pressure limiting resistance R 18, on the input terminal of voltage transformer pt 2, be connected with pressure limiting resistance R 23, on the input terminal of voltage transformer pt 3, be connected with pressure limiting resistance R 28, the lead-out terminal of above-mentioned three voltage transformers is electrically connected with the analog input terminal of analog to digital conversion circuit 4 by OP07 amplifying circuit respectively.Current detection circuit 2 comprises Current Transmit 1, Current Transmit 2 and Current Transmit 3, and the lead-out terminal of each current transformer is electrically connected with the analog input terminal of analog to digital conversion circuit by OP07 amplifying circuit.The signal input part sub-connection of temperature control circuit 3 and control unit 5; As shown in Figure 4: temperature control circuit 3 comprises an optocoupler TLP521, the input terminal of described optocoupler TLP521 is connected with the current-limiting resistance that resistance is 4.7K, and the pull-up resistor that the lead-out terminal of described optocoupler TLP521 is 5.1K by resistance is connected with the input terminal of 74LCX244M chip; The lead-out terminal of described 74LCX244M chip is connected with control unit 5; The temperature detect switch (TDS) of temperature control circuit 3 sends to control unit 5 by current-limiting resistance, optocoupler TLP521 by temperature information; The signal output terminal of control unit 5 is connected with switching drive circuit 6; The I/O port of control unit 5 is connected with display circuit 8, and the signal output terminal of control unit 5 is connected with telecommunication circuit 7.As preferably, in this specific embodiment, analog to digital conversion circuit 4 is AD7606 A/D conversion system; As shown in Figure 5: switching drive circuit 6 comprises the SN74HC244DW chip with control unit 5 signal output part sub-connections, described SN74HC244DW chip is connected with the input terminal of Darlington transistor by pressure limiting resistance, driving triode, optocoupler successively, and the lead-out terminal of described Darlington transistor is connected with switching indicator light by reactive compensation switching device; Above-mentioned switching indicator light is light-emitting diode; As shown in Figure 6: telecommunication circuit 7 comprises SN74HC126D chip, the USART1 pin of control unit 5 is connected with SN74HC126D chip, and described SN74HC126D chip is connected with optocoupler, MAX485 chip successively; Control unit 5 is connected with SN74HC126D chip, PCA82C250 chip successively by CAN1 bus, and then realizes communicating by letter between control unit 5 and switching device; Display circuit 8 in this specific embodiment is LCD liquid crystal display, and display circuit 8 is mainly used in showing the running parameter of New Type TS C idle compensating control.
Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.
Claims (8)
1. a New Type TS C idle compensating control, is characterized in that: comprise voltage detecting circuit, current detection circuit, temperature control circuit, analog to digital conversion circuit, control unit, switching drive circuit, telecommunication circuit and display circuit; Wherein: described control unit is 32 ARM Cortex-M4 processors; Described voltage detecting circuit and current detection circuit are by the signal input part sub-connection of analog to digital conversion circuit and control unit; The signal input part sub-connection of described temperature control circuit and control unit; The signal output terminal of described control unit is connected with switching drive circuit; The I/O port of described control unit is connected with display circuit, and the signal output terminal of described control unit is connected with telecommunication circuit.
2. New Type TS C idle compensating control according to claim 1, it is characterized in that: described voltage detecting circuit comprises three voltage transformers, on the input terminal of each voltage transformer, be connected with a pressure limiting resistance, the lead-out terminal of each voltage transformer is electrically connected with the analog input terminal of analog to digital conversion circuit by OP07 amplifying circuit.
3. New Type TS C idle compensating control according to claim 1, it is characterized in that: described current detection circuit comprises three current transformers, the lead-out terminal of each current transformer is electrically connected with the analog input terminal of analog to digital conversion circuit by OP07 amplifying circuit.
4. New Type TS C idle compensating control according to claim 1, it is characterized in that: described temperature control circuit comprises an optocoupler, the input terminal of described optocoupler is connected with current-limiting resistance, and the lead-out terminal of described optocoupler is connected with the input terminal of 74LCX244M chip by pull-up resistor; The lead-out terminal of described 74LCX244M chip is connected with control unit.
5. New Type TS C idle compensating control according to claim 1, is characterized in that: analog-digital conversion circuit as described is AD7606 A/D conversion system.
6. New Type TS C idle compensating control according to claim 1, it is characterized in that: described switching drive circuit comprises the SN74HC244DW chip with control unit signal output part sub-connection, described SN74HC244DW chip is connected with the input terminal of Darlington transistor by pressure limiting resistance, driving triode, optocoupler successively, and the lead-out terminal of described Darlington transistor is connected with switching indicator light by reactive compensation switching device.
7. New Type TS C idle compensating control according to claim 1, it is characterized in that: described telecommunication circuit comprises SN74HC126D chip, the USART1 pin of described control unit is connected with SN74HC126D chip, and described SN74HC126D chip is connected with optocoupler, MAX485 chip successively.
8. according to the New Type TS C idle compensating control described in claim 1-7 any one, it is characterized in that: described display circuit is LCD liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895427.3U CN203690935U (en) | 2013-12-27 | 2013-12-27 | Novel TSC reactive compensation controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895427.3U CN203690935U (en) | 2013-12-27 | 2013-12-27 | Novel TSC reactive compensation controller |
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| CN203690935U true CN203690935U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320895427.3U Expired - Fee Related CN203690935U (en) | 2013-12-27 | 2013-12-27 | Novel TSC reactive compensation controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977976A (en) * | 2016-06-23 | 2016-09-28 | 国网河南新安县供电公司 | Power compensation distribution network equipment and method |
| CN107222194A (en) * | 2017-05-25 | 2017-09-29 | 江苏现代电力科技股份有限公司 | A kind of SVG and TSC mixing reactive-load compensation level controllers and its control method |
-
2013
- 2013-12-27 CN CN201320895427.3U patent/CN203690935U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977976A (en) * | 2016-06-23 | 2016-09-28 | 国网河南新安县供电公司 | Power compensation distribution network equipment and method |
| CN107222194A (en) * | 2017-05-25 | 2017-09-29 | 江苏现代电力科技股份有限公司 | A kind of SVG and TSC mixing reactive-load compensation level controllers and its control method |
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| CF01 | Termination of patent right due to non-payment of annual fee |