CN103138274A - Monitorable magnetically-controlled reactor - Google Patents
Monitorable magnetically-controlled reactor Download PDFInfo
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- CN103138274A CN103138274A CN2013100253250A CN201310025325A CN103138274A CN 103138274 A CN103138274 A CN 103138274A CN 2013100253250 A CN2013100253250 A CN 2013100253250A CN 201310025325 A CN201310025325 A CN 201310025325A CN 103138274 A CN103138274 A CN 103138274A
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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
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 a kind of magnet controlled reactor of monitoring, belong to the reactor technical field.
Background technology
In order to satisfy 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, the 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 the 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, to introduce reactive power compensator and carry out reactive power compensation in electric power system, 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.Thyristor triggering mode commonly used has electromagnetism triggering mode, photoelectricity triggering mode and light triggering mode at present.Traditional electromagnetism triggering mode can't the Real Time Monitoring thyristor the triggering state, can't accurately grasp in real time the triggering situation of reality, be not easy to realize the accuracy that triggers and to the protection of thyristor.
Summary of the invention
The purpose of this invention is to provide a kind of magnet controlled reactor of monitoring, this magnet controlled reactor can return to control system with thyristor triggering state, conveniently carries out Real Time Monitoring and protection, and have trigger accurately, good stability, power consumption be little.
For achieving the above object, the technical solution used in the present invention is: a kind of magnet controlled reactor of monitoring comprises: described magnet controlled reactor comprises reactor and is used for controlling the thyristor of reactor switching angle;
The power module that connects civil power is used for receiving the electric energy from electrical network, and it comprises transformer and the 1st diode, and described transformer will obtain direct voltage from removing positive half cycle through described the 1st diode again after the voltage step-down of civil power;
get the energy module, be used for and be converted into direct current from the alternating current of power module, described the first voltage-stabiliser tube that can module comprises series connection of getting, the second voltage-stabiliser tube, this first voltage-stabiliser tube will be converted into from the direct voltage of described power module 12V voltage, described the second voltage-stabiliser tube will be converted into 5V voltage from the 12V voltage of the first voltage-stabiliser tube, the contact of described the first voltage-stabiliser tube and the second voltage-stabiliser tube is as being used for to the 1st triode, the first output of the 2nd diode power supply, the opposing end conduct of the second voltage-stabiliser tube and the first voltage-stabiliser tube is used for to the 3rd triode, the second output of optic electric interface module for power supply,
The optic electric interface module, it comprises optical receiving circuit unit and optical transmission circuit unit, the light pulse signal that the optical receiving circuit unit is used for fetching self-controller is converted into the synchronizing current signal; The optical transmission circuit unit is used for and will be 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, be used for amount idle according to electrical network and adjust described reactor switching angle;
be connected to the trigger module of described gate circuit transistor gate, the synchronizing current signal is amplified be converted to the current impulse that drives gate circuit transistor gate, it comprise series connection by the 2nd triode, the preamplifying circuit that the 3rd triode forms 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 separately is connected to described the second output of getting the energy module through the 4th resistance and the 3rd resistance respectively, the tie point of described the 2nd diode cathode and the 3rd diode cathode is connected to the described gate circuit transistor gate of stating, drive successively the 2nd triode from the synchronizing current signal of optic electric interface module after by the 3rd its conducting of diode base drive, the 1st triode conducting, thereby the tie point output by the 2nd diode and the 3rd diode enters the thyristor gate leve for the synchronous triggering signal of controlling reactor switching angle,
Trigger feedback module, thereby be used 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:
1. in such scheme, one the 1st electric capacity and described transformers connected in parallel are used for filtering and exchange interference.
2. in such scheme, between described the first output and ground connection, cross-over connection has the 2nd electric capacity, and between the second output and ground connection, cross-over connection has the 3rd electric capacity.
3. in such scheme, branch road and described the 2nd Capacitance parallel connection by the 1st resistance and the series connection of the 1st light-emitting diode is by branch road and described the 3rd Capacitance parallel connection of the 2nd resistance and the series connection of the 2nd light-emitting diode.
4. in such scheme, the 3rd light-emitting diode that is used to indicate the triggering state and the tie point that is connected to the 2nd diode and the 3rd diode after the 7th resistance is connected.
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, its voltage and gate voltage by collection thyristor two ends compares, if the thyristor both end voltage is greater than its rated voltage, and judge not conducting of thyristor by gate voltage, at this moment, the protection circuits for triggering will produce triggering signal, force the thyristor conducting with the protection thyristor, prevent that it is by over-voltage breakdown; Secondly, it is positioned at the 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, all is better than the equipment of electromagnetism triggering mode on pulse quality or isolation performance; Again, circuit design of the present invention can obtain the working power stable, that ripple is little from the equipment primary side, in more abominable electromagnetic environment, overcome the strong electromagnetic that circuit is caused of cut-offfing of large electric current in the main circuit, thyristor, have 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 2nd resistance and the 2nd light-emitting diode series connection, the 3rd light-emitting diode that is used to indicate the triggering state and the tie point that is connected to the 2nd diode and the 3rd diode after the 7th resistance is connected; Realize the triggering of thyristor module, it is accurate, timely and synchronous to guarantee to trigger.
Description of drawings
Accompanying drawing 1 can be monitored the 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 the 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 the 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
The invention will be further described below in conjunction with drawings and Examples:
Embodiment: a kind of magnet controlled reactor of monitoring, as shown in accompanying drawing 1 ~ 4, described magnet controlled reactor comprises reactor 1 and is used for controlling the thyristor 2 of reactor 1 switching angle;
Also comprise: connect the power module 3 of civil power, be used for receiving the electric energy from electrical network, it comprises transformer T1 and the 1st diode D1, and described transformer T1 will obtain direct voltage from removing positive half cycle through described the 1st diode D1 again after the voltage step-down of civil power;
get energy module 4, be used for and be converted into direct current from the alternating current of power module 3, 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 from the direct voltage of described power module 3 12V voltage, 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 is as being used for to the 1st triode Q1, the first output of the 2nd diode D2 power supply, the opposing end conduct of the second voltage-stabiliser tube U2 and the first voltage-stabiliser tube U1 is used for to 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, the light pulse signal that optical receiving circuit unit 51 is used for fetching self-controller 6 is converted into the synchronizing current signal; Optical transmission circuit unit 52 is used for and will be 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, be used for amount idle according to electrical network and adjust described reactor 1 switching angle;
be connected to the trigger module 7 of described thyristor 2 gate poles, the synchronizing current signal is amplified be converted to the current impulse that drives thyristor 2 gate poles, it comprise series connection by the 2nd triode Q2, the preamplifying circuit that the 3rd triode Q3 forms 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 separately is connected to described the second output of getting energy module 4 through the 4th resistance R 4 and the 3rd resistance R 3 respectively, described the 2nd diode D2 tie point anodal and the 3rd diode D3 positive pole is connected to described thyristor 2 gate poles of stating, drive successively the 2nd triode Q2 from the synchronizing current signal of optic electric interface module 5 after by the 3rd its conducting of diode D3 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 be used 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, is used for filtering and exchanges interference.
Between above-mentioned the first output and ground connection, cross-over connection has that between the 2nd capacitor C 2, the second outputs and ground connection, cross-over connection has the 3rd capacitor C 3.
One is in parallel with described the 2nd capacitor C 2 by the branch road of the 1st resistance and the 1st LED 1 series connection, in parallel with described the 3rd capacitor C 3 by the branch road of the 2nd resistance and the 2nd LED 2 series connection.
One the 3rd LED 3 that is used to indicate the triggering state and the tie point that is connected to the 2nd diode D2 and the 3rd diode D3 after the 7th resistance R 7 is connected.
The present embodiment reactive compensator of electrical network course of work is as follows.
Adopt the advanced photoelectricity triggering mode of monitoring.But adopt photoelectricity to trigger and Real Time Monitoring 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 the equipment primary side for realizing effective isolation; But 2. the triggering state of the present embodiment Real Time Monitoring MCR valve group thyristor, and feed back to the control system, realize the triggering of precise and safety more; 3. the protection circuits for triggering can be at thyristor when conducting state not be born overvoltage, and its conducting of forced-triggered is with the 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 the control system optical-fibre channel, and is translated into the signal of telecommunication and enters in trigger module; Trigger simultaneously the signal that feedback circuit is sent here, the light radiating portion through optical-electric module is translated into light signal and sends control system back to, realizes thyristor is triggered the monitoring of state;
3. by the circuit in the subsequent triggers module, weak pulse is rushed signal and amplify the current impulse that is converted to satisfied triggering requirement, the gate leve that outputs to thyristor triggers the thyristor valve group;
4. the protection circuits for triggering compare by voltage and the gate voltage that gathers thyristor two ends, if the thyristor both end voltage is greater than its rated voltage, and judge not conducting of thyristor by gate voltage, at this moment, the protection circuits for triggering will produce triggering signal, force the thyristor conducting with the 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 the impact; (2) owing to having adopted the protection circuits for triggering can protect thyristor, prevent that it is by over-voltage breakdown; (3) owing to having adopted the photoelectricity triggering mode to realize synchronism, accuracy and the promptness of triggering signal; (4) owing to having adopted the triggering feedback circuit, thyristor triggering state control system be can be returned to, Real Time Monitoring and protection conveniently carried out; (5) cost is low, and hardware circuit is simple, is easy to realize.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow person skilled in the art scholar can understand content of the present invention and implement according to this, can not limit protection scope of the present 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 (5)
1. can monitor magnet controlled reactor for one kind, described magnet controlled reactor comprises reactor (1) and is used 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, be used for receiving the electric energy from electrical network, it comprises transformer and the 1st diode, and described transformer will obtain direct voltage from removing positive half cycle through described the 1st diode again after the voltage step-down of civil power;
get energy module (4), be used for and be converted into direct current from the alternating current of power module (3), described get can module (4) comprise the first voltage-stabiliser tube of series connection, the second voltage-stabiliser tube, this first voltage-stabiliser tube will be converted into 12V voltage from the direct voltage of described power module (3), described the second voltage-stabiliser tube will be converted into 5V voltage from the 12V voltage of the first voltage-stabiliser tube, the contact of described the first voltage-stabiliser tube and the second voltage-stabiliser tube is as being used for to the 1st triode, the first output of the 2nd diode power supply, the opposing end conduct of the second voltage-stabiliser tube and the first voltage-stabiliser tube is used for to the 3rd triode, 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 converted into the synchronizing current signal for the light pulse signal that will fetch self-controller (6); Optical transmission circuit unit (52) is used for and will be 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), be used for amount idle according to electrical network and adjust described reactor (1) switching angle;
be connected to the trigger module (7) of described thyristor (2) gate pole, the synchronizing current signal is amplified be converted to the current impulse that drives thyristor (2) gate pole, it comprise series connection by the 2nd triode, the preamplifying circuit that the 3rd triode forms 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 separately is connected to described the second output of getting energy module (4) through the 4th resistance and the 3rd resistance respectively, the tie point of described the 2nd diode cathode and the 3rd diode cathode is connected to described thyristor (2) gate pole of stating, drive successively the 2nd triode from the synchronizing current signal of optic electric interface module (5) after by the 3rd its conducting of diode base drive, the 1st triode conducting, thereby the tie point output by the 2nd diode and the 3rd diode enters thyristor (2) gate leve for the synchronous triggering signal of controlling reactor (1) switching angle,
Trigger feedback module (8), be used for gathering described thyristor (2) thereby 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 are used for filtering and exchange and disturb.
3. the magnet controlled reactor of monitoring according to claim 1, it is characterized in that: between described the first output and ground connection, cross-over connection has the 2nd electric capacity, and between the second output and ground connection, cross-over connection has the 3rd electric capacity.
4. the magnet controlled reactor of monitoring according to claim 1 is characterized in that: branch road and described the 2nd Capacitance parallel connection by the 1st resistance and the series connection of the 1st light-emitting diode, branch road and described the 3rd Capacitance parallel connection of being connected by the 2nd resistance and the 2nd light-emitting diode.
5. the magnet controlled reactor of monitoring according to claim 1 is characterized in that: the 3rd light-emitting diode that is used to indicate the triggering state and the tie point that is connected to the 2nd diode and the 3rd diode after the 7th resistance is connected.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410578293.1A CN104466975B (en) | 2013-01-23 | 2013-01-23 | High-reliability compensation reactor |
| CN201310025325.0A CN103138274B (en) | 2013-01-23 | 2013-01-23 | Monitorable magnetically-controlled reactor |
| CN201410578079.6A CN104269865B (en) | 2013-01-23 | 2013-01-23 | There is the magnet controlled reactor of anti-interference function |
| CN201410588714.9A CN104319789B (en) | 2013-01-23 | 2013-01-23 | Power reactor |
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 |
|---|---|---|---|
| CN201410588714.9A Division CN104319789B (en) | 2013-01-23 | 2013-01-23 | Power reactor |
| CN201410578293.1A Division CN104466975B (en) | 2013-01-23 | 2013-01-23 | High-reliability compensation reactor |
| CN201410578079.6A Division CN104269865B (en) | 2013-01-23 | 2013-01-23 | There is the magnet controlled reactor of anti-interference function |
Publications (2)
| Publication Number | Publication Date |
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| CN103138274A true CN103138274A (en) | 2013-06-05 |
| CN103138274B 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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655723A (en) * | 2016-11-24 | 2017-05-10 | 国家电网公司 | Silicon controlled rectifier trigger control unit and control method thereof |
| CN113708750A (en) * | 2021-08-24 | 2021-11-26 | 西安西电电力系统有限公司 | Bypass thyristor trigger unit for flexible direct-current converter valve and control method |
| CN113708603A (en) * | 2021-08-26 | 2021-11-26 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Thyristor gate trigger circuit |
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| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655723A (en) * | 2016-11-24 | 2017-05-10 | 国家电网公司 | Silicon controlled rectifier trigger control unit and control method thereof |
| CN113708750A (en) * | 2021-08-24 | 2021-11-26 | 西安西电电力系统有限公司 | Bypass thyristor trigger unit for flexible direct-current converter valve and control method |
| CN113708603A (en) * | 2021-08-26 | 2021-11-26 | 中国南方电网有限责任公司超高压输电公司天生桥局 | Thyristor gate trigger circuit |
| 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 |
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| CN103138274B (en) | 2014-12-10 |
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