CN205229338U - Take redundant silicon controlled rectifier change of current valve system emission of light detection loop - Google Patents
Take redundant silicon controlled rectifier change of current valve system emission of light detection loop Download PDFInfo
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- CN205229338U CN205229338U CN201520987853.9U CN201520987853U CN205229338U CN 205229338 U CN205229338 U CN 205229338U CN 201520987853 U CN201520987853 U CN 201520987853U CN 205229338 U CN205229338 U CN 205229338U
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Abstract
The utility model discloses a take redundant silicon controlled rectifier change of current valve system emission of light detection loop, it includes VBE device and valve module, the reverse recovery unit of first reverse recovery unit and second all has two outputs, first multimode star coupler and second multimode star coupler all have two self -checking inputs and respectively with two self -checking outputs that the self -checking input is corresponding, two self -checking outputs of first multimode star coupler are all connected in first light -receiving board, two self -checking outputs of second multimode star coupler are all connected in second light -receiving board. The utility model discloses contrast traditional change of current valve emission of light monitoring return circuit, the light that can correctly detect the emission of light return circuit is unusual to provide redundancy detection fiber channel when emission of light monitoring return circuit one way optic fibre is unusual, is applicable to different kinds of direct current transmission system operation mode, improved the stability of direct current system and electric wire netting.
Description
Technical field
The utility model relates to converter valve systems technology field, is specifically related to a kind of controllable silicon converter valve system light with redundancy and launches measure loop.
Background technology
Converter valve is one of most important equipment of straight-flow system, and the reliable triggering of converter valve directly affects the stability of straight-flow system, controls converter valve and triggers valve-based electronics (ValveBaseElectronic, the VBE) system relied in valve control system.
Light signal transmitter plate in VBE equipment is from TC & M (ThyristorControlandMonitoring, the trigger angle control signal that receiving pole control sends, and convert valve Trigger Angle pulse signal to, i.e. microprocessor) plate obtain converted the signal of trigger pulse to after, the laser diode be arranged on different optical signal launch plate by three sends the enough strong light signal of power to same valve layer, triggers being finally sent to light on thyristor through multimode star-type coupler MSC (MultimodeStarCoupler).
As shown in Figure 1, the converter valve module of a corresponding valve layer of MSC.Light signal by 3 blocks of optical signal launch plates is sent to 13 blocks of light and triggers thyristor by MSC.In addition, 2 light signals inputted by Reverse recovery unit R PU (RecoveryProtectionUnit) are also had, 1 optical signal launch detection signal exporting VBE equipment to.Wherein, the optical signal launch plate of VBE equipment and to MSC optical fiber, RPU and trigger thyristor to MSC optical fiber and 13 blocks of light and be redundant configuration to MSC optical fiber, but MSC itself and optical monitoring signal loop thereof do not have redundancy.
This shows, when optical fiber becomes once appearance decay, fractures impaired or patch the faults such as position loosens in long-time running, to cause detecting return signal and smooth and easyly can not return VBE, or light receiving plate clamping is closed up or the fault of MSC delivery outlet own, will report by mistake is 3 road expelling plate simultaneous faultss, cause forced outage, have a strong impact on the stable operation of electrical network.
Utility model content
In order to solve the problem, the utility model proposes a kind of controllable silicon converter valve system light with redundancy and launch measure loop, its light that correctly can detect light launching circuit is abnormal, and provide redundancy detection optical-fibre channel when light launch monitor loop single-path optical fiber is abnormal, be applicable to the dissimilar DC transmission system method of operation, improve the stability of straight-flow system and electrical network.
For achieving the above object, the technical scheme that the utility model is taked is:
A kind of controllable silicon converter valve system light with redundancy launches measure loop, it comprises VBE device and valve module, and described valve module comprises the first multimode star-type coupler, the second multimode star-type coupler, the first Reverse recovery unit, the second Reverse recovery unit, the first Group of Silicon Controlled Rectifier, the second Group of Silicon Controlled Rectifier and the first thyristor voltage measure loop and the second thyristor voltage measure loop, wherein, corresponding two change of current valve layer of described valve module, first multimode star-type coupler, first Reverse recovery unit, first Group of Silicon Controlled Rectifier and corresponding first change of current valve layer of the first thyristor voltage measure loop, second multimode star-type coupler, second Reverse recovery unit, second Group of Silicon Controlled Rectifier and corresponding second change of current valve layer of the second thyristor voltage measure loop, described VBE device comprises microprocessor, Reverse recovery unit controls plate, light expelling plate and the first light receiving plate and the second light receiving plate, described first Group of Silicon Controlled Rectifier and the rear one end of the second Group of Silicon Controlled Rectifier series connection are connected to converter valve system high pressure side, the other end is connected to converter valve system low-voltage side, described smooth expelling plate is connected to the gate pole of the first Group of Silicon Controlled Rectifier by the first multimode star-type coupler, described smooth expelling plate is connected to the gate pole of the second Group of Silicon Controlled Rectifier by the second multimode star-type coupler, be sent in the first Group of Silicon Controlled Rectifier and the second Group of Silicon Controlled Rectifier respectively, for triggering converter valve with the light signal that light expelling plate is sent, two test sides of described first thyristor voltage measure loop are connected to positive pole and the negative pole of the first Group of Silicon Controlled Rectifier, two test sides of described second thyristor voltage measure loop are connected to positive pole and the negative pole of the second Group of Silicon Controlled Rectifier, the output terminal of described first thyristor voltage measure loop and the output terminal of the second thyristor voltage measure loop are connected with the second light receiving plate with the first light receiving plate respectively, to be detected the duty of the first Group of Silicon Controlled Rectifier and the second Group of Silicon Controlled Rectifier respectively by the first thyristor voltage measure loop and the second thyristor voltage measure loop, and send the duty of the first Group of Silicon Controlled Rectifier and the second Group of Silicon Controlled Rectifier to the first light receiving plate and the second light receiving plate respectively, the input end of described Reverse recovery unit controls plate is connected with microprocessor, the output terminal of described Reverse recovery unit controls plate is connected with the input end of the second Reverse recovery unit with the input end of the first Reverse recovery unit respectively, first Reverse recovery unit and the second Reverse recovery unit all have two output terminals, described first multimode star-type coupler and the second multimode star-type coupler all have two self-inspection input ends and two corresponding with two self-inspection input ends respectively self-inspection output terminals, wherein, two output terminals of described first Reverse recovery unit are connected to the first self-inspection input end of the first multimode star-type coupler and the first self-inspection input end of the second multimode star-type coupler, two output terminals of described second Reverse recovery unit are connected to the second self-inspection input end of the first multimode star-type coupler and the second self-inspection input end of the second multimode star-type coupler, two self-inspection output terminals of described first multimode star-type coupler are all connected to the first light receiving plate, two self-inspection output terminals of described second multimode star-type coupler are all connected to the second light receiving plate.
Two self-inspection output terminals of described first multimode star-type coupler are connected to the first light receiving plate by one first or door; Two self-inspection output terminals of described second multimode star-type coupler are connected to the second light receiving plate by one second or door.
Described first Group of Silicon Controlled Rectifier comprises 13 the first controllable silicons, second Group of Silicon Controlled Rectifier comprises 13 the second controllable silicons, negative pole after 13 the first controllable silicon in serial connections is connected to converter valve system high pressure side, positive pole after 13 the second controllable silicon in serial connections is connected to converter valve system low-voltage side, and the positive pole after 13 the first controllable silicon in serial connections is connected to the negative pole after 13 the second controllable silicon in serial connections; Described first thyristor voltage measure loop comprises and 13 the first controllable silicons measure loop of the first thyristor voltage one to one, and two test sides of the sub-measure loop of each first thyristor voltage are connected to corresponding first silicon controlled both positive and negative polarity respectively; Described second thyristor voltage measure loop comprises and 13 the second controllable silicons measure loop of the second thyristor voltage one to one, and two test sides of the sub-measure loop of each second thyristor voltage are connected to corresponding second silicon controlled both positive and negative polarity respectively; Described smooth expelling plate is all connected with 13 the first silicon controlled gate poles by the first multimode star-type coupler, and described smooth expelling plate is all connected with 13 the second silicon controlled gate poles by the second multimode star-type coupler.
The controllable silicon converter valve system light of the band redundancy that the utility model provides launches measure loop, and it, when light launching circuit occurs abnormal, correctly can detect light launching circuit fault; When light launching circuit does not occur abnormal, can effectively avoid because single light launches measure loop fiber failure, the trip event that VBE reports the 3 equal faults of road light expelling plate by mistake and causes.
Compared with prior art, its beneficial effect is: the utility model contrasts traditional converter valve light launch monitor loop, the light that correctly can detect light launching circuit is abnormal, and provide redundancy detection optical-fibre channel when light launch monitor loop single-path optical fiber is abnormal, be applicable to the dissimilar DC transmission system method of operation, improve the stability of straight-flow system and electrical network.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that existing controllable silicon converter valve system light launches measure loop;
Fig. 2 is the schematic diagram of the controllable silicon converter valve system light transmitting measure loop of the utility model band redundancy.
Embodiment
Below in conjunction with the drawings and specific embodiments, content of the present utility model is described in further details.
Embodiment:
Please refer to shown in Fig. 2, a kind of controllable silicon converter valve system light with redundancy launches measure loop, it comprises VBE device and valve module, and valve module comprises the first multimode star-type coupler (MSC1), the second multimode star-type coupler (MSC2), the first Reverse recovery unit (RPU1), the second Reverse recovery unit (RPU2), the first Group of Silicon Controlled Rectifier (U1), the second Group of Silicon Controlled Rectifier (U2) and the first thyristor voltage measure loop (TVM1) and the second thyristor voltage measure loop (TVM2); Wherein, corresponding two change of current valve layer of valve module, corresponding first change of current valve layer of first multimode star-type coupler, the first Reverse recovery unit, the first Group of Silicon Controlled Rectifier and the first thyristor voltage measure loop, corresponding second change of current valve layer of the second multimode star-type coupler, the second Reverse recovery unit, the second Group of Silicon Controlled Rectifier and the second thyristor voltage measure loop.VBE device comprises microprocessor, Reverse recovery unit controls plate (RPU plate), light expelling plate and the first light receiving plate and the second light receiving plate.
Controllable silicon measure loop:
First Group of Silicon Controlled Rectifier and the rear one end of the second Group of Silicon Controlled Rectifier series connection are connected to converter valve system high pressure side, and the other end is connected to converter valve system low-voltage side, light expelling plate is connected to the gate pole of the first Group of Silicon Controlled Rectifier by the first multimode star-type coupler, light expelling plate is connected to the gate pole of the second Group of Silicon Controlled Rectifier by the second multimode star-type coupler, be sent in the first Group of Silicon Controlled Rectifier and the second Group of Silicon Controlled Rectifier respectively, for triggering converter valve with the light signal that light expelling plate is sent, two test sides of the first thyristor voltage measure loop are connected to positive pole and the negative pole of the first Group of Silicon Controlled Rectifier, two test sides of the second thyristor voltage measure loop are connected to positive pole and the negative pole of the second Group of Silicon Controlled Rectifier, the output terminal of the first thyristor voltage measure loop and the output terminal of the second thyristor voltage measure loop are connected with the second light receiving plate with the first light receiving plate respectively, to be detected the duty of the first Group of Silicon Controlled Rectifier and the second Group of Silicon Controlled Rectifier respectively by the first thyristor voltage measure loop and the second thyristor voltage measure loop, and send the duty of the first Group of Silicon Controlled Rectifier and the second Group of Silicon Controlled Rectifier to the first light receiving plate and the second light receiving plate respectively.
First Group of Silicon Controlled Rectifier comprises 13 the first controllable silicons, second Group of Silicon Controlled Rectifier comprises 13 the second controllable silicons, negative pole after 13 the first controllable silicon in serial connections is connected to converter valve system high pressure side, positive pole after 13 the second controllable silicon in serial connections is connected to converter valve system low-voltage side, and the positive pole after 13 the first controllable silicon in serial connections is connected to the negative pole after 13 the second controllable silicon in serial connections; First thyristor voltage measure loop comprises and 13 the first controllable silicons measure loop of the first thyristor voltage one to one, and two test sides of the sub-measure loop of each first thyristor voltage are connected to corresponding first silicon controlled both positive and negative polarity respectively; Second thyristor voltage measure loop comprises and 13 the second controllable silicons measure loop of the second thyristor voltage one to one, and two test sides of the sub-measure loop of each second thyristor voltage are connected to corresponding second silicon controlled both positive and negative polarity respectively; Light expelling plate is all connected with 13 the first silicon controlled gate poles by the first multimode star-type coupler, and light expelling plate is all connected with 13 the second silicon controlled gate poles by the second multimode star-type coupler.
Reverse recovery unit inspection loop:
The input end of Reverse recovery unit controls plate is connected with microprocessor, the output terminal of Reverse recovery unit controls plate is connected with the input end of the second Reverse recovery unit with the input end of the first Reverse recovery unit respectively, first Reverse recovery unit and the second Reverse recovery unit all have two output terminals, first multimode star-type coupler and the second multimode star-type coupler all have two self-inspection input ends and two corresponding with two self-inspection input ends respectively self-inspection output terminals, wherein, two output terminals of the first Reverse recovery unit are connected to the first self-inspection input end of the first multimode star-type coupler and the first self-inspection input end of the second multimode star-type coupler, two output terminals of the second Reverse recovery unit are connected to the second self-inspection input end of the first multimode star-type coupler and the second self-inspection input end of the second multimode star-type coupler, two self-inspection output terminals of the first multimode star-type coupler are all connected to the first light receiving plate, two self-inspection output terminals of the second multimode star-type coupler are all connected to the second light receiving plate.
Two self-inspection output terminals of the first multimode star-type coupler are connected to the first light receiving plate by one first or door; Two self-inspection output terminals of the second multimode star-type coupler are connected to the second light receiving plate by one second or door.
Its principle of work is: the light expelling plate of VBE device sends 3 road light signals to MSC1 and MSC2, MSC1 and MSC2 triggers controllable silicon by being sent to 13 blocks of light after optical signal respectively, for triggering converter valve, 13 pieces of TVM detect 13 blocks of light respectively and trigger silicon controlled state, light signal are sent to the light receiving plate of VBE device.1 road light signal is sent to RPU1 and RPU2 by the RPU control panel of VBE device, if meet RPU1 or RPU2 trigger condition, light signal is sent to corresponding MSC1 and MSC2 of same valve module and is used for triggering light triggering controllable silicon by RPU1 with RPU2,13 pieces of TVM detect 13 blocks of light respectively and trigger silicon controlled state, light signal are sent to the light receiving plate of VBE device.
The utility model, on traditional converter valve light launch monitor loop, between the corresponding light receiving plate of MSC to VBE, increases the optical fiber circuit of a road redundant configuration, and before input processor, add one or to select two paths of signals.The MSC utilizing the self-inspection of band two-way to export, two-way is detected the light receiving plate that return signal delivers to VBE, by light receiving plate, two-way is detected return and change into electric signal, two path signal is through one or export microprocessor to respectively behind the door.
Under normal circumstances, MSC1 (or MSC2) does not detect that light launching circuit is abnormal, light receiving plate 1 (or light receiving plate 2) receives two-way detection return signal and (is referred to as self-test signal, realized by corresponding self-inspection loop, each self-inspection loop comprises self-inspection input end and self-inspection output terminal) after change into low level, two-way low level process or behind the door output low level, processor detects that low level judges that exception does not appear in light launching circuit.When a certain Lu Guangguang launch monitor loopback fiber occurs that decay becomes greatly, it is impaired to fracture or patch the faults such as position loosens, the road light that light receiving plate exports is launched detection signal and is become high level, processor monitors abnormal detection return signal, judge that converter valve light launching circuit exists fault, forced outage signal is sent to control system.Two self-inspection input ends of above-mentioned MSC1 and MSC2 and two self-inspection output terminals achieve the redundancy each other between MSC1 and MSC2, in fact, a self-inspection input end and self-inspection output terminal can also be increased all again on MSC1 and MSC2, the self-inspection input end that wherein MSC1 newly increases is connected to RPU1, the self-inspection output terminal that MSC1 newly increases is connected to light receiving plate 1, between the self-inspection output terminal that this newly increases and the first self-inspection input end of MSC1 by or door be connected between light receiving plate 1, thus realize the redundancy of MSC1 self; In like manner, MSC2 increase self-inspection input end and self-inspection output terminal make himself to realize redundancy.
Said structure is only the description carried out a valve module and VBE apparatus structure corresponding to this valve module.In fact, each VBE device can corresponding multiple valve module, the corresponding all valve modules of microprocessor in VBE device, a RPU plate in the equal corresponding VBE device of each valve module and a light expelling plate, the corresponding light receiving plate of the multimode star-type coupler (or Group of Silicon Controlled Rectifier) in each valve module in different valve layer.
Above-listed detailed description is illustrating for the utility model possible embodiments, and this embodiment is also not used to limit the scope of the claims of the present utility model, does not allly depart from the equivalence that the utility model does and implements or change, and all should be contained in the scope of the claims of this case.
Claims (3)
1. the controllable silicon converter valve system light with redundancy launches measure loop, it comprises VBE device and valve module, and described valve module comprises the first multimode star-type coupler, the second multimode star-type coupler, the first Reverse recovery unit, the second Reverse recovery unit, the first Group of Silicon Controlled Rectifier, the second Group of Silicon Controlled Rectifier and the first thyristor voltage measure loop and the second thyristor voltage measure loop, wherein, corresponding two change of current valve layer of described valve module, first multimode star-type coupler, first Reverse recovery unit, first Group of Silicon Controlled Rectifier and corresponding first change of current valve layer of the first thyristor voltage measure loop, second multimode star-type coupler, second Reverse recovery unit, second Group of Silicon Controlled Rectifier and corresponding second change of current valve layer of the second thyristor voltage measure loop, described VBE device comprises microprocessor, Reverse recovery unit controls plate, light expelling plate and the first light receiving plate and the second light receiving plate, described first Group of Silicon Controlled Rectifier and the rear one end of the second Group of Silicon Controlled Rectifier series connection are connected to converter valve system high pressure side, the other end is connected to converter valve system low-voltage side, described smooth expelling plate is connected to the gate pole of the first Group of Silicon Controlled Rectifier by the first multimode star-type coupler, described smooth expelling plate is connected to the gate pole of the second Group of Silicon Controlled Rectifier by the second multimode star-type coupler, be sent in the first Group of Silicon Controlled Rectifier and the second Group of Silicon Controlled Rectifier respectively, for triggering converter valve with the light signal that light expelling plate is sent, two test sides of described first thyristor voltage measure loop are connected to positive pole and the negative pole of the first Group of Silicon Controlled Rectifier, two test sides of described second thyristor voltage measure loop are connected to positive pole and the negative pole of the second Group of Silicon Controlled Rectifier, the output terminal of described first thyristor voltage measure loop and the output terminal of the second thyristor voltage measure loop are connected with the second light receiving plate with the first light receiving plate respectively, to be detected the duty of the first Group of Silicon Controlled Rectifier and the second Group of Silicon Controlled Rectifier respectively by the first thyristor voltage measure loop and the second thyristor voltage measure loop, and send the duty of the first Group of Silicon Controlled Rectifier and the second Group of Silicon Controlled Rectifier to the first light receiving plate and the second light receiving plate respectively, the input end of described Reverse recovery unit controls plate is connected with microprocessor, the output terminal of described Reverse recovery unit controls plate is connected with the input end of the second Reverse recovery unit with the input end of the first Reverse recovery unit respectively, it is characterized in that, first Reverse recovery unit and the second Reverse recovery unit all have two output terminals, described first multimode star-type coupler and the second multimode star-type coupler all have two self-inspection input ends and two corresponding with two self-inspection input ends respectively self-inspection output terminals, wherein, two output terminals of described first Reverse recovery unit are connected to the first self-inspection input end of the first multimode star-type coupler and the first self-inspection input end of the second multimode star-type coupler, two output terminals of described second Reverse recovery unit are connected to the second self-inspection input end of the first multimode star-type coupler and the second self-inspection input end of the second multimode star-type coupler, two self-inspection output terminals of described first multimode star-type coupler are all connected to the first light receiving plate, two self-inspection output terminals of described second multimode star-type coupler are all connected to the second light receiving plate.
2. the controllable silicon converter valve system light of band redundancy according to claim 1 launches measure loop, and it is characterized in that, two self-inspection output terminals of described first multimode star-type coupler are connected to the first light receiving plate by one first or door; Two self-inspection output terminals of described second multimode star-type coupler are connected to the second light receiving plate by one second or door.
3. the controllable silicon converter valve system light of band redundancy according to claim 2 launches measure loop, it is characterized in that, described first Group of Silicon Controlled Rectifier comprises 13 the first controllable silicons, second Group of Silicon Controlled Rectifier comprises 13 the second controllable silicons, negative pole after 13 the first controllable silicon in serial connections is connected to converter valve system high pressure side, positive pole after 13 the second controllable silicon in serial connections is connected to converter valve system low-voltage side, and the positive pole after 13 the first controllable silicon in serial connections is connected to the negative pole after 13 the second controllable silicon in serial connections; Described first thyristor voltage measure loop comprises and 13 the first controllable silicons measure loop of the first thyristor voltage one to one, and two test sides of the sub-measure loop of each first thyristor voltage are connected to corresponding first silicon controlled both positive and negative polarity respectively; Described second thyristor voltage measure loop comprises and 13 the second controllable silicons measure loop of the second thyristor voltage one to one, and two test sides of the sub-measure loop of each second thyristor voltage are connected to corresponding second silicon controlled both positive and negative polarity respectively; Described smooth expelling plate is all connected with 13 the first silicon controlled gate poles by the first multimode star-type coupler, and described smooth expelling plate is all connected with 13 the second silicon controlled gate poles by the second multimode star-type coupler.
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| CN114001660B (en) * | 2021-11-02 | 2023-08-04 | 安徽科技学院 | All-digital photoelectric correction sensor with fine tuning structure |
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