CN103138274B - Monitorable magnetically-controlled reactor - Google Patents
Monitorable magnetically-controlled reactor Download PDFInfo
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- CN103138274B CN103138274B CN201310025325.0A CN201310025325A CN103138274B CN 103138274 B CN103138274 B CN 103138274B CN 201310025325 A CN201310025325 A CN 201310025325A CN 103138274 B CN103138274 B CN 103138274B
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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
- Y02E40/30—Reactive power compensation
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Abstract
The invention discloses a monitorable magnetically-controlled reactor comprising an electric reactor body, a thyristor, a power module, an energy-taking module, a photoelectricity interface module, a controller, a trigger module, a trigger feedback module and a protective trigger module, wherein the photoelectricity interface module comprises a light reception circuit unit and a light emitting circuit unit; the controller is connected with the photoelectricity interface module; the trigger module is connected with a gate pole of the thyristor and enables a synchronous current signal to be amplified and converted to a current pulse driving the gate pole of the thyristor, the trigger module comprises a preceding-stage amplifying circuit composed of a second audion and a third audion and a back-stage amplifying circuit composed of a first audion, a second diode and a third diode in series, and the preceding-stage amplifying circuit is in serial connection with the back-stage amplifying circuit; the trigger feedback module is used for collecting voltage at two ends of the thyristor and gate pole voltage to generate a voltage state feedback signal; and the protective trigger module is located between the trigger feedback module and the thyristor. According to the reactor, a thyristor trigger state can be returned to a control system, real-time monitoring and protection are conveniently carried out, and the reactor has the advantages of being precise in triggering, good in stability and little in power consumption.
Description
Technical field
The present invention relates to one and can monitor magnet controlled reactor, belong to reactor technical field.
Background technology
In order to meet the requirement of remote large capacity transmission of electric energy in recent years, transmission voltage is more and more higher; The scale of electric power system is increasing, energy output sustainable growth; Due to the lack of uniformity that China's energy and load distribute, it is aobvious outstanding that the dynamic reactive power in electrical network supports problem day, and power delivery ability is restricted.Due to a large amount of uses of large capacity single phase load and unbalanced load, the three-phase imbalance problem of electrical network is day aobvious giving prominence to also simultaneously.For administering the problems referred to above, in electric power system, to introduce reactive power compensator and carry out reactive power compensation, magnet controlled reactor (MCR) is to commonly use always, it is bringing into play important effect aspect dynamic reactive support, improvement electrical network three-phase imbalance.Compare with active equipment, it is having huge advantage aspect stability and compensation capacity.Wherein, the reliable triggering of thyristor is one of key technology of whole device.Conventional thyristor triggering mode has electromagnetism triggering mode, photoelectricity triggering mode and light triggering mode at present.Traditional electromagnetism triggering mode cannot be monitored the triggering state of thyristor in real time, cannot accurately grasp in real time actual triggering situation, is not easy to realize the accuracy of triggering and the protection to thyristor.
Summary of the invention
The object of this invention is to provide one and can monitor magnet controlled reactor, this magnet controlled reactor can return to control system by thyristor triggering state, conveniently monitor in real time and protect, and have trigger accurately, good stability, power consumption be little.
For achieving the above object, the technical solution used in the present invention is: one can be monitored magnet controlled reactor, and described magnet controlled reactor comprises reactor and for controlling the thyristor of reactor switching angle;
Also comprise: connect the power module of civil power, for receiving the electric energy from electrical network, it comprises transformer and the 1st diode, described transformer obtains direct voltage by removing positive half cycle through described the 1st diode again after the voltage step-down from civil power;
Get energy module, described the first voltage-stabiliser tube, the second voltage-stabiliser tube that can module comprise series connection got, this first voltage-stabiliser tube will be converted into 12V voltage from the direct voltage of described power module, the 12V voltage from the first voltage-stabiliser tube is converted into 5V voltage by described the second voltage-stabiliser tube, the contact of described the first voltage-stabiliser tube and the second voltage-stabiliser tube is as the first output for giving the power supply of the 1st triode and the 2nd diode, the second voltage-stabiliser tube away from one end of the first voltage-stabiliser tube as the second output for giving the 3rd triode and optic electric interface module for power supply;
Optic electric interface module, it comprises optical receiving circuit unit and optical transmission circuit unit, optical receiving circuit unit is for being converted into synchronizing current signal by the light pulse signal that fetches self-controller; Optical transmission circuit unit is for being converted into optical signal transmission to described controller from the voltage status feedback signal that triggers feedback module;
Be connected to the controller of optic electric interface module, for adjust described reactor switching angle according to the idle amount of electrical network;
Be connected to the trigger module of described gate circuit transistor gate, synchronizing current signal is amplified and is converted to the current impulse that drives gate circuit transistor gate, it comprise series connection by the 2nd triode, the preamplifying circuit of the 3rd triode composition and by the 1st triode, the rear class amplifying circuit that the 2nd diode and the 3rd diode are composed in series, described the 2nd triode, the 3rd triode base stage is separately got respectively the second output that can module described in being connected to through the 4th resistance and the 3rd resistance, the tie point of described the 2nd diode cathode and the 3rd diode cathode is connected to described gate circuit transistor gate, after driving its conducting from the synchronizing current signal of optic electric interface module by the 3rd transistor base, drive successively the 2nd triode, the 1st triode conducting, thereby the tie point output by the 2nd diode and the 3rd diode enters thyristor gate leve for the synchronous triggering signal of controlling reactor switching angle,
Trigger feedback module, thereby for gathering voltage and the gate voltage formation voltage state feedback signal at described thyristor two ends;
One protection trigger module is between described triggering feedback module and thyristor, according to adjusting described thuristor working state from triggering feedback module voltage status feedback signal.
In technique scheme, further improvement project is as follows:
In such scheme, one the 1st electric capacity and described transformers connected in parallel, exchanges and disturbs for filtering.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
The present invention can monitor magnet controlled reactor, it compares by the voltage and the gate voltage that gather thyristor two ends, if thyristor both end voltage is greater than its rated voltage, and judge not conducting of thyristor by gate voltage, now, protection circuits for triggering will produce triggering signal, force thyristor conducting with protection thyristor, prevent that it is by over-voltage breakdown; Secondly, it is positioned at electrical network hot side, and gate circuit transistor gate and optic electric interface module are provided with trigger module, uses the isolation of the transmission of optical fiber settling signal and high electronegative potential, is all better than the equipment of electromagnetism triggering mode in pulse quality or isolation performance; Again, circuit design of the present invention can obtain the working power stable, ripple is little from equipment primary side, in more severe electromagnetic environment, overcome the strong electromagnetic that circuit is caused of cut-offfing of large electric current in main circuit, thyristor, there is certain interference free performance; Again, magnet controlled reactor of the present invention, it is by branch road and described the 2nd Capacitance parallel connection of the 1st resistance and the series connection of the 1st light-emitting diode, by branch road and described the 3rd Capacitance parallel connection of the series connection of the 2nd resistance and the 2nd light-emitting diode, the 3rd light-emitting diode that is used to indicate triggering state is connected to the tie point of the 2nd diode and the 3rd diode after connecting with the 7th resistance; Realize the triggering of thyristor module, ensure to trigger accurate, timely and synchronous.
Brief description of the drawings
Accompanying drawing 1 can be monitored magnet controlled reactor structure principle chart for implementing the present invention;
Accompanying drawing 2 is for implementing power module circuitry figure of the present invention;
Accompanying drawing 3 is got energy module circuit diagram for implementing the present invention;
Accompanying drawing 4 is for implementing trigger module circuit diagram of the present invention.
In above accompanying drawing: 1, reactor; 2, thyristor; 3, power module; 4, get energy module; 5, optic electric interface module; 51, optical receiving circuit unit; 52, optical transmission circuit unit; 6, controller; 7, trigger module; 8, trigger feedback module; 9, protection trigger module.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: one can be monitored magnet controlled reactor, as shown in accompanying drawing 1～4, described magnet controlled reactor comprises reactor 1 and for controlling the thyristor 2 of reactor 1 switching angle;
Also comprise: connect the power module 3 of civil power, for receiving the electric energy from electrical network, it comprises transformer T1 and the 1st diode D1, described transformer T1 obtains direct voltage by removing positive half cycle through described the 1st diode D1 again after the voltage step-down from civil power;
Get energy module 4, described the first voltage-stabiliser tube U1 that can module 4 comprises series connection that gets, the second voltage-stabiliser tube U2, this first voltage-stabiliser tube U1 will be converted into 12V voltage from the direct voltage of described power module 3, described the second voltage-stabiliser tube U2 will be converted into 5V voltage from the 12V voltage of the first voltage-stabiliser tube U1, the contact of described the first voltage-stabiliser tube U1 and the second voltage-stabiliser tube U2 as for give the 1st triode Q1, the first output of the 2nd diode D2 power supply, the second voltage-stabiliser tube U2 away from one end of the first voltage-stabiliser tube U1 as for giving the 3rd triode Q3, the second output of optic electric interface module for power supply,
Optic electric interface module 5, it comprises optical receiving circuit unit 51 and optical transmission circuit unit 52, optical receiving circuit unit 51 is for being converted into synchronizing current signal by the light pulse signal that fetches self-controller 6; Optical transmission circuit unit 52 is for being converted into optical signal transmission to described controller 6 from the voltage status feedback signal that triggers feedback module;
Be connected to the controller 6 of optic electric interface module 5, for adjust described reactor 1 switching angle according to the idle amount of electrical network;
Be connected to the trigger module 7 of described thyristor 2 gate poles, synchronizing current signal is amplified and is converted to the current impulse that drives thyristor 2 gate poles, it comprise series connection by the 2nd triode Q2, the preamplifying circuit of the 3rd triode Q3 composition and by the 1st triode Q1, the rear class amplifying circuit that the 2nd diode D2 and the 3rd diode D3 are composed in series, described the 2nd triode Q2, the 3rd triode Q3 base stage is separately got respectively the second output that can module 4 described in being connected to through the 4th resistance R 4 and the 3rd resistance R 3, described in being connected to, the tie point of described the 2nd diode D2 negative pole and the 3rd diode D3 negative pole states thyristor 2 gate poles, drive successively the 2nd triode Q2 from the synchronizing current signal of optic electric interface module 5 after by the 3rd its conducting of triode Q3 base drive, the 1st triode Q1 conducting, thereby the tie point output by the 2nd diode D2 and the 3rd diode D3 enters thyristor 2 gate leves for the synchronous triggering signal of controlling reactor 1 switching angle,
Trigger feedback module 8, thereby for gathering voltage and the gate voltage formation voltage state feedback signal at described thyristor 2 two ends.
One protection trigger module 9 is between described triggering feedback module 8 and thyristor 2, according to adjusting described thyristor 2 operating states from triggering feedback module 8 voltage status feedback signals;
One the 1st capacitor C 1 is in parallel with described transformer T1, exchanges and disturbs for filtering.
Between above-mentioned the first output and ground connection, cross-over connection has cross-over connection between the 2nd capacitor C 2, the second outputs and ground connection to have the 3rd capacitor C 3.
One branch road of being connected by the 1st resistance and the 1st LED 1 is in parallel with described the 2nd capacitor C 2, and the branch road of being connected by the 2nd resistance and the 2nd LED 2 is in parallel with described the 3rd capacitor C 3.
One the 3rd LED 3 that is used to indicate triggering state is connected to the tie point of the 2nd diode D2 and the 3rd diode D3 after connecting with the 7th resistance R 7.
The present embodiment reactive compensator of electrical network course of work is as follows.
Adopt the advanced photoelectricity triggering mode of monitoring.Adopt photoelectricity trigger and can monitor in real time thyristor opening state, feed back to control system and carry out better monitoring and protection.The realization of the present embodiment mainly contains following technological difficulties: 1. thyristor trigger board need to obtain working power from equipment primary side for realizing effective isolation; 2. the present embodiment can be monitored the triggering state of MCR valve group thyristor in real time, and feeds back to control system, realizes the triggering of precise and safety more; 3. protection circuits for triggering can be at thyristor when conducting state not be born overvoltage, and its conducting of forced-triggered is with protection thyristor.
The trigger board monitored of described applicable magnet controlled reactor (MCR) type reactive-load compensator comprises gets energy module, optical-electric module, trigger module, triggering feedback circuit and trigger protection circuit.
1. the trigger board monitored of the present embodiment magnet controlled reactor MCR is in operation, and gets and can module obtain the required working power of system works from hot side;
2. the receiving unit by optical-electric module receives the light signal from control system optical-fibre channel, and is translated into the signal of telecommunication and enters in trigger module; Trigger the signal that feedback circuit is sent here simultaneously, through the light radiating portion of optical-electric module, be translated into light signal and send control system back to, realize the monitoring that thyristor is triggered to state;
3. by the circuit in subsequent triggers module, weak pulse signal is amplified to be converted to meet and trigger the current impulse requiring, the gate leve that outputs to thyristor triggers thyristor valve group;
4. protection circuits for triggering compare by the voltage and the gate voltage that gather thyristor two ends, if thyristor both end voltage is greater than its rated voltage, and judge not conducting of thyristor by gate voltage, now, protection circuits for triggering will produce triggering signal, force thyristor conducting with protection thyristor, prevent that it is by over-voltage breakdown;
Owing to having adopted above technical scheme, the beneficial effect of the present embodiment is: the operating current of (1) circuit board own is little, low in energy consumption, on main circuit work substantially without impact; (2) owing to having adopted protection circuits for triggering can protect thyristor, prevent that it is by over-voltage breakdown; (3) owing to having adopted photoelectricity triggering mode to realize synchronism, accuracy and the promptness of triggering signal; (4) owing to having adopted triggering feedback circuit, thyristor triggering state can be returned to control system, conveniently monitor in real time and protect; (5) cost is low, and hardware circuit is simple, is easy to realize.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (1)
1. can monitor a magnet controlled reactor, described magnet controlled reactor comprises reactor (1) and for controlling the thyristor (2) of reactor (1) switching angle, it is characterized in that:
Also comprise: connect the power module (3) of civil power, for receiving the electric energy from electrical network, it comprises transformer and the 1st diode, described transformer obtains direct voltage by removing positive half cycle through described the 1st diode again after the voltage step-down from civil power;
Get energy module (4), described get can module (4) comprise the first voltage-stabiliser tube, second voltage-stabiliser tube of series connection, this first voltage-stabiliser tube will be converted into 12V voltage from the direct voltage of described power module (3), the 12V voltage from the first voltage-stabiliser tube is converted into 5V voltage by described the second voltage-stabiliser tube, the contact of described the first voltage-stabiliser tube and the second voltage-stabiliser tube is as the first output for giving the power supply of the 1st triode and the 2nd diode, the second voltage-stabiliser tube away from one end of the first voltage-stabiliser tube as the second output for giving the 3rd triode and optic electric interface module for power supply;
Optic electric interface module (5), it comprises optical receiving circuit unit (51) and optical transmission circuit unit (52), optical receiving circuit unit (51) are for being converted into synchronizing current signal by the light pulse signal that fetches self-controller (6); Optical transmission circuit unit (52) is for being converted into optical signal transmission to described controller (6) from the voltage status feedback signal that triggers feedback module;
Be connected to the controller (6) of optic electric interface module (5), for adjust described reactor (1) switching angle according to the idle amount of electrical network;
Be connected to the trigger module (7) of described thyristor (2) gate pole, synchronizing current signal is amplified and is converted to the current impulse that drives thyristor (2) gate pole, it comprise series connection by the 2nd triode, the preamplifying circuit of the 3rd triode composition and by the 1st triode, the rear class amplifying circuit that the 2nd diode and the 3rd diode are composed in series, described the 2nd triode, the 3rd triode base stage is separately got respectively the second output that can module (4) described in being connected to through the 4th resistance and the 3rd resistance, the tie point of described the 2nd diode cathode and the 3rd diode cathode is connected to described thyristor (2) gate pole, after driving its conducting from the synchronizing current signal of optic electric interface module (5) by the 3rd transistor base, drive successively the 2nd triode, the 1st triode conducting, thereby the output of the tie point by the 2nd diode and the 3rd diode is used for controlling the synchronous triggering signal of reactor (1) switching angle enters thyristor (2) gate leve,
Trigger feedback module (8), for gathering described thyristor (2) thus the voltage at two ends and gate voltage formation voltage state feedback signal;
One protection trigger module (9) is positioned between described triggering feedback module (8) and thyristor (2), according to adjusting described thyristor (2) operating state from triggering feedback module (8) voltage status feedback signal.
2. the magnet controlled reactor of monitoring according to claim 1, is characterized in that: one the 1st electric capacity and described transformers connected in parallel, exchanges and disturb for filtering.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410588714.9A CN104319789B (en) | 2013-01-23 | 2013-01-23 | Power reactor |
| CN201310025325.0A CN103138274B (en) | 2013-01-23 | 2013-01-23 | Monitorable magnetically-controlled reactor |
| CN201410578293.1A CN104466975B (en) | 2013-01-23 | 2013-01-23 | High-reliability compensation reactor |
| CN201410578079.6A CN104269865B (en) | 2013-01-23 | 2013-01-23 | There is the magnet controlled reactor of anti-interference function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310025325.0A CN103138274B (en) | 2013-01-23 | 2013-01-23 | Monitorable magnetically-controlled reactor |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410578293.1A Division CN104466975B (en) | 2013-01-23 | 2013-01-23 | High-reliability compensation reactor |
| CN201410588714.9A Division CN104319789B (en) | 2013-01-23 | 2013-01-23 | Power reactor |
| CN201410578079.6A Division CN104269865B (en) | 2013-01-23 | 2013-01-23 | There is the magnet controlled reactor of anti-interference function |
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| Publication Number | Publication Date |
|---|---|
| CN103138274A CN103138274A (en) | 2013-06-05 |
| CN103138274B true CN103138274B (en) | 2014-12-10 |
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| CN201310025325.0A Active CN103138274B (en) | 2013-01-23 | 2013-01-23 | Monitorable magnetically-controlled reactor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655723B (en) * | 2016-11-24 | 2023-11-17 | 国家电网公司 | Trigger silicon controlled rectifier control unit and control method |
| CN113708750B (en) * | 2021-08-24 | 2024-07-02 | 西安西电电力系统有限公司 | Bypass thyristor trigger unit for soft direct current converter valve and control method |
| CN113708603B (en) * | 2021-08-26 | 2023-12-15 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Gate trigger circuit of thyristor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282340Y (en) * | 2008-10-07 | 2009-07-29 | 王运虎 | Magnetic valve type controllable inductor type SVC dynamic reactive compensator |
| CN203103973U (en) * | 2013-01-23 | 2013-07-31 | 苏州工业园区和顺电气股份有限公司 | Monitorable magnetically controlled reactor |
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2013
- 2013-01-23 CN CN201310025325.0A patent/CN103138274B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282340Y (en) * | 2008-10-07 | 2009-07-29 | 王运虎 | Magnetic valve type controllable inductor type SVC dynamic reactive compensator |
| CN203103973U (en) * | 2013-01-23 | 2013-07-31 | 苏州工业园区和顺电气股份有限公司 | Monitorable magnetically controlled reactor |
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| CN103138274A (en) | 2013-06-05 |
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