CN105811782A - Dedicated integrated variable frequency power supply for uranium enrichment - Google Patents
Dedicated integrated variable frequency power supply for uranium enrichment Download PDFInfo
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- CN105811782A CN105811782A CN201410852282.8A CN201410852282A CN105811782A CN 105811782 A CN105811782 A CN 105811782A CN 201410852282 A CN201410852282 A CN 201410852282A CN 105811782 A CN105811782 A CN 105811782A
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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 belongs to the technical field of power supplies, and specifically relates to a dedicated integrated variable frequency power supply for uranium enrichment. The power supply consists of four working variable frequency power supplies and two standby variable frequency power supplies. Each working variable frequency power supply is in unidirectional connection with a load. The communication ends of the six variable frequency power supplies are connected with each other through a CAN bus. The monitoring ends of the six variable frequency power supplies are connected with the input end of a power supply monitoring system through an RS485 bus. The remote monitoring ends of the six variable frequency power supplies are connected with a DCS remote control system through radio. Each variable frequency power supply comprises an integrated power cabinet and an integrated power load cabinet. The power supply greatly reduces the size through employing the rectification of an 18-pulse phase shift transformer and the PWM digital inversion of IGBT paired tubes while improving the efficiency and reliability. The power supply enables the operation of the whole intermediate frequency power supply system to be more convenient and quicker, and enables the operation to be more reliable.
Description
Technical field
The invention belongs to power technique fields, be specifically related to a kind of special integrated variable frequency power supply of uranium enrichment.
Background technology
At present, the widely used 190 type variable-frequency power sources of equipment of uranium enrichment commercialization centrifugal factory variable-frequency power sources, domestic 150-450 type variable-frequency power sources and 180 type variable-frequency power sources.Wherein 190 type variable-frequency power sources are the power electronic equipments of external middle nineteen sixties, and domestic 150-450 type variable-frequency power sources is the intermediate frequency power supply of the PWM inversion of domestic independent development after 2005.This two classes power supply disadvantageously, standby, the maintenance switching of variable-frequency power sources, output reactive-load compensation, host-initiated all need the independent section powering shelf work of collocation so that conversion power supply system equipment is unified not, makes troubles to follow-up maintenance.Recently the 180 type variable-frequency power sources introduced achieve variable-frequency power sources and the combination of section powering shelf, make whole electric power system simple and direct reliably, realize switching operating in a key, but owing to its output is low, and every variable-frequency power sources is made up of two independent power cabinets, each power cabinet can only be with a unit, it is impossible to meets the technique cascade requirement of 1-3 unit of a Power supply belt.
At present, but without the central controlled Large Copacity variable-frequency power sources of integral type suitable in the centrifugal factory of uranium enrichment commercialization.Given this situation is planted, it is necessary to research and development are applicable to the general integral type Large Copacity variable-frequency power sources of the centrifugal factory of uranium enrichment commercialization.
Summary of the invention
It is an object of the invention to provide a kind of special integrated variable frequency power supply of uranium enrichment convenient, reliable, it is possible to realize the networking of Intermediate frequency power supply system system.
Realize the technical scheme of the object of the invention:
A kind of special integrated variable frequency power supply of uranium enrichment, it is made up of 6 variable-frequency power sources: 1# variable-frequency power sources, 2# work variable-frequency power sources, the 4# of variable-frequency power sources, 3# that work that work works variable-frequency power sources, standby 1 variable-frequency power sources, standby 2 variable-frequency power sources；The outfan of 1# work variable-frequency power sources connects with the input of 1# working power load, the outfan of 2# work variable-frequency power sources connects with the input of 2# working power load, the outfan of 3# work variable-frequency power sources connects with the input of 3# working power load, and the outfan of 4# work variable-frequency power sources connects with the input of 4# working power load；1# work variable-frequency power sources, 2# work variable-frequency power sources, 3# work variable-frequency power sources, 4# are worked and are connected by standby 1 main line between variable-frequency power sources and the input of standby 1 variable-frequency power sources；1# work variable-frequency power sources, 2# work variable-frequency power sources, 3# work variable-frequency power sources, 4# are worked and are connected by standby 2 main lines between variable-frequency power sources and the input of standby 2 variable-frequency power sources；Connected by CAN between the communication ends of 6 variable-frequency power sources；The monitoring side of 6 variable-frequency power sources is all each connected by RS485 bus with between the input for pyroelectric monitor system；Feedback end for pyroelectric monitor system connects with the receiving terminal of control room monitoring station；The long-range monitoring side of 6 variable-frequency power sources all each and DCS tele-control system pass through radio connectivity；The feedback end of DCS tele-control system connects with the receiving terminal of control room monitoring station.
Described variable-frequency power sources includes integrated power supply power cabinet and integrated power supply load cabinet.
Described integrated power supply power cabinet includes PWM inverter, dc-link capacitance, 18 arteries and veins phase shift isolating transformer rectifications, main electricity inlet wire power distribution equipment, soft circuit and controller；The input of main electricity inlet wire power distribution equipment connects with power input, the main electricity outfan of inlet wire power distribution equipment connects with the input of soft circuit, and outfan and 18 arteries and veins phase shift isolating transformer rectifications, dc-link capacitance, the PWM inverter of soft circuit sequentially connect；PWM inverter, dc-link capacitance, 18 arteries and veins phase shift isolating transformer rectifications, main electricity inlet wire power distribution equipment, soft circuit control end connect with controller respectively.
Described integrated power supply load cabinet includes QS1 performance loop input disconnecting link, the standby 1/ standby 2 loop double-throw disconnecting links of QS2, QS3 emergent maintenance loop disconnecting link, QF1 major loop chopper, QF2 back-up circuit chopper, output short-circuit catalyst, output compensation capacitance group, impacts car/compensation car interface and QS4 load output disconnecting link；The input of QS1 performance loop input disconnecting link connects with the outfan of PWM inverter, the outfan of QS1 performance loop input disconnecting link connects with the input of QF1 major loop chopper, and the input that the outfan of QF1 major loop chopper exports disconnecting link with QS4 load connects；The outfan of QF1 major loop chopper and output short-circuit catalyst, output compensate capacitance group, impact car/compensation car interface is respectively communicated with；Standby 1 input of the standby 1/ standby 2 loop double-throw disconnecting links of QS2 connects with standby 1 trunk interface, and standby 2 inputs of the standby 1/ standby 2 loop double-throw disconnecting links of QS2 connect with standby 2 trunk interfaces；The standby 1/ standby outfan of 2 loop double-throw disconnecting links of QS2 connects with the input of QF2 back-up circuit chopper；The input that the outfan of QF2 back-up circuit chopper exports disconnecting link with QS4 load connects；The meet an urgent need input of maintenance loop disconnecting link of QS3 connects with standby 2 trunk interfaces；The QS3 outfan of maintenance loop disconnecting link of meeting an urgent need connects with the maintenance input of QS4 load output disconnecting link；The outfan of QS4 load output disconnecting link connects with load output interface；QS1 performance loop inputs disconnecting link, the standby 1/ standby 2 loop double-throw disconnecting links of QS2, QF1 major loop chopper, QF2 back-up circuit chopper, output short-circuit catalyst, output compensates capacitance group, the control end of impact car/compensation car interface connects with controller respectively.
Through the liter week of three phases when described work variable-frequency power sources works:
The liter week of first stage: integrated power supply power cabinet accesses the civil power of 380V/50Hz；Impact car/compensation car interface and connect impact car, open QS4 load output disconnecting link, the power supply of 36V/50Hz is provided for load；
The liter week of second stage: trigger PWM inverter, open QS1 performance loop input disconnecting link, QF1 major loop chopper, it is that load is powered by the 200V electric energy of PWM inverter inversion gained, impacts car/compensation car interface simultaneously and connect compensation car, carry out power back-off for load；The frequency of this 200V electric energy is 400Hz～700Hz；
The liter week of phase III: regulating PWM inverter, the 380V electric energy of gained is that load is powered；The frequency of this 380V electric energy is 1400Hz～1700Hz.
When described work variable-frequency power sources is shut down
Disconnect PWM inverter, QF1 major loop chopper, and connect output short-circuit catalyst, the back-emf returned is removed clean.
When described work variable-frequency power sources breaks down,
Disconnect QF1 major loop chopper, and open QF2 back-up circuit chopper, fail operation variable-frequency power sources is by the use state of CAN inquiry standby variable frequency power supply, if standby 1 variable-frequency power sources is not used by, then the standby 1/ standby 2 loop double-throw disconnecting links of QS2 are beaten to standby 1 input, and standby 1 variable-frequency power sources is load supplying；If standby 1 variable-frequency power sources is used, standby 2 variable-frequency power sources are not used by, then the standby 1/ standby 2 loop double-throw disconnecting links of QS2 are beaten to standby 2 inputs, and standby 2 variable-frequency power sources are load supplying.
The Advantageous Effects of the present invention is in that:
(1) the special integrated variable frequency power supply of a kind of uranium enrichment provided by the invention is by adopting the PWM count word inversion of 18 arteries and veins phase-shifting transformer rectifications and IGBT pipe, while improving efficiency and reliability, has greatly reduced variable-frequency power sources volume；
(2) the load output counter of the present invention is made up of Switch device and corresponding drive circuit, it is achieved the automatic and manual switching function of load output and output no-power compensation function；
(3) present invention is by the combination of variable-frequency power sources Yu section powering shelf, meet while variable-frequency power sources requires with load and reduce its physical dimension, and optimisation technique parameter and index, it is capable of the networking of Intermediate frequency power supply system system so that the operation of whole Intermediate frequency power supply system system is more convenient, it is relatively reliable to run.
Accompanying drawing explanation
Fig. 1 is the special integrated variable frequency power supply architecture schematic diagram of uranium enrichment of the present invention；
Fig. 2 is the communication networking schematic diagram of the special integrated variable frequency power supply of uranium enrichment；
Fig. 3 is the structural representation of a variable-frequency power sources.
nullIn figure: 1. integrated power supply power cabinet、2. integrated power supply load cabinet、3.1# works variable-frequency power sources、4.2# works variable-frequency power sources、5.3# works variable-frequency power sources、6.4# works variable-frequency power sources、7. standby 1 variable-frequency power sources of integration、8. standby 2 variable-frequency power sources of integration、9.1# working power load、10.2# working power load、11.3# working power load、12.4# working power load、13. standby 1 main line、14 standby 2 main lines、15. power supply monitoring system signals collecting cabinet、16.DCS tele-control system、17. control room monitoring station、18.RS485 bus、19.CAN bus、20.QS4 load output disconnecting link、21.PWM inverter、22. dc-link capacitance、23.18 arteries and veins phase shift isolating transformer rectification、24. main electricity inlet wire power distribution equipment、25. soft circuit、26. controller、27.QS1 performance loop input disconnecting link、28.QS2 standby 1/ standby 2 loop double-throw disconnecting links、29.QS3 emergent maintenance loop disconnecting link、30.QF1 major loop chopper、31.QF2 back-up circuit chopper、32. output short-circuit catalyst、33. output compensates capacitance group、34. impact car/compensation car interface、A. power input、B. standby 1 trunk interface、C. standby 2 trunk interfaces、D. load output interface.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
As it is shown in figure 1, the special integrated variable frequency power supply of uranium enrichment provided by the present invention is made up of 6 variable-frequency power sources, every variable-frequency power sources is single channel output；Wherein, four work variable-frequency power sources: 1# variable-frequency power sources 3,2# work variable-frequency power sources 5,4# of variable-frequency power sources 4,3# that work that work works variable-frequency power sources 6, two standby variable frequency power supplys: standby 1 variable-frequency power sources 7, standby 2 variable-frequency power sources 8.Every variable-frequency power sources all each includes the integrated power supply power cabinet 1 and the integrated power supply load cabinet 2 that are interconnected.The outfan of 1# work variable-frequency power sources 3 connects with the input of 1# working power load 9, the outfan of 2# work variable-frequency power sources 4 connects with the input of 2# working power load 10, the outfan of 3# work variable-frequency power sources 5 connects with the input of 3# working power load 11, and the outfan of 4# work variable-frequency power sources 6 connects with the input of 4# working power load 12.1# work variable-frequency power sources 3,2# work variable-frequency power sources 4,3# work variable-frequency power sources 5,4# are worked and are connected by standby 1 main line 13 between variable-frequency power sources 6 and the input of standby 1 variable-frequency power sources 7, when one of 1# work variable-frequency power sources 3,2# work variable-frequency power sources 4,3# work variable-frequency power sources 5,4# work variable-frequency power sources break down or need periodic maintenance, standby 1 main line 13, by the power supply trouble power of standby 1 variable-frequency power sources 7, drives relevant work power source loads.1# work variable-frequency power sources 3,2# work variable-frequency power sources 4,3# work variable-frequency power sources 5,4# are worked and are connected by standby 2 main lines 14 between variable-frequency power sources 6 and the input of standby 2 variable-frequency power sources 8.Standby 2 main lines 14 are identical with the effect of standby 1 main line 13.Standby variable frequency power supply can realize automatic spare device by the work running status of variable-frequency power sources of automatic decision, it is also possible to manually switching realizes standby.
As in figure 2 it is shown, connected by CAN 19 between the communication ends of 6 variable-frequency power sources, it is achieved share operation information between variable-frequency power sources.The monitoring side of 6 variable-frequency power sources is all each connected by RS485 bus 18 with between the input for pyroelectric monitor system 15.Feedback end for pyroelectric monitor system 15 connects with the receiving terminal of control room monitoring station 17.Being gathered the running status of 6 variable-frequency power sources for pyroelectric monitor system 15 by RS485 bus 18, and running status is sent to control room monitoring station 17, control room monitoring station 17 can also by being controlled the opening and closing of 6 variable-frequency power sources for pyroelectric monitor system 15.The long-range monitoring side of 6 variable-frequency power sources all each and DCS tele-control system 16 pass through radio connectivity.The feedback end of DCS tele-control system 16 connects with the receiving terminal of control room monitoring station 17.DCS tele-control system 16 receives the running status of 6 variable-frequency power sources, and running status is sent to control room monitoring station 17, and the opening and closing of 6 variable-frequency power sources can also be controlled by control room monitoring station 17 by DCS tele-control system 16.
As it is shown on figure 3, a variable-frequency power sources includes integrated power supply power cabinet 1 and integrated power supply load cabinet 2.Integrated power supply power cabinet 1 includes PWM inverter 21, dc-link capacitance 22,18 arteries and veins phase shift isolating transformer rectification 23, main electricity inlet wire power distribution equipment 24, soft circuit 25 and controller 26.The input of main electricity inlet wire power distribution equipment 24 connects with power input a, the main electricity outfan of inlet wire power distribution equipment 24 connects with the input of soft circuit 25, and outfan and 18 arteries and veins phase shift isolating transformer rectifications 23, dc-link capacitance 22, the PWM inverter 21 of soft circuit 25 sequentially connect.PWM inverter 21, dc-link capacitance 22,18 arteries and veins phase shift isolating transformer rectification 23, main electricity inlet wire power distribution equipment 24, soft circuit 25 control end connect with controller 26 respectively.
Integrated power supply load cabinet 2 includes QS1 performance loop input disconnecting link 27, the standby 1/ standby 2 loop double-throw disconnecting links 28 of QS2, QS3 emergent maintenance loop disconnecting link 29, QF1 major loop chopper 30, QF2 back-up circuit chopper 31, output short-circuit catalyst 32, output compensation capacitance group 33, impacts car/compensation car interface 34 and QS4 load output disconnecting link 20.The input of QS1 performance loop input disconnecting link 27 connects with the outfan of PWM inverter 21, the outfan of QS1 performance loop input disconnecting link 27 connects with the input of QF1 major loop chopper 30, and the input that the outfan of QF1 major loop chopper 30 exports disconnecting link 20 with QS4 load connects.The outfan of QF1 major loop chopper 30 and output short-circuit catalyst 32, output compensate capacitance group 33, impact car/compensation car interface 34 is respectively communicated with.Standby 1 input of the standby 1/ standby 2 loop double-throw disconnecting links 28 of QS2 connects with standby 1 trunk interface b, and standby 2 inputs of the standby 1/ standby 2 loop double-throw disconnecting links 28 of QS2 connect with standby 2 trunk interface c.The standby 1/ standby outfan of 2 loop double-throw disconnecting links 28 of QS2 connects with the input of QF2 back-up circuit chopper 31.The input that the outfan of QF2 back-up circuit chopper 31 exports disconnecting link 20 with QS4 load connects.The meet an urgent need input of maintenance loop disconnecting link 29 of QS3 connects with standby 2 trunk interface c.The QS3 outfan of maintenance loop disconnecting link 29 of meeting an urgent need connects with the maintenance input of QS4 load output disconnecting link 20.The outfan of QS4 load output disconnecting link 20 connects with load output interface d.QS1 performance loop inputs disconnecting link 27, the standby 1/ standby 2 loop double-throw disconnecting links 28 of QS2, QF1 major loop chopper 30, QF2 back-up circuit chopper 31, output short-circuit catalyst 32, output compensates capacitance group 33, the control end of impact car/compensation car interface 34 connects with controller 26 respectively.
Controller 26 is the control axis of a variable-frequency power sources, and the carrying out of each components and parts is manipulated.The power electricity of input is carried out distribution by main electricity inlet wire power distribution equipment 24, then by soft circuit 25, electric current is flowed to 18 arteries and veins phase shift isolating transformer rectification 23,18 arteries and veins phase shift isolating transformer rectifications 23 and ensure that variable-frequency power sources input power factor reaches more than 0.95.18 arteries and veins phase shift isolating transformer rectifications 23 charge to dc-link capacitance 22, when being charged to a certain degree, trigger PWM inverter 21 also by electric current by LC filtering output to integrated power supply load cabinet 2, pass sequentially through QS1 performance loop input disconnecting link 27, QF1 major loop chopper 30, QS4 load output disconnecting link 20 export in load.When the standby 1/ standby 2 loop double-throw disconnecting link of QS2 28 dozens to standby 1 input, integration standby 1 variable-frequency power sources 7 powering load, be specially integration standby 1 variable-frequency power sources 7 pass sequentially through the standby 1/ standby 2 loop double-throw disconnecting links 28 of standby 1 trunk interface b, QS2, QF2 back-up circuit chopper 31, QS4 load output disconnecting link 20 export in load.When the standby 1/ standby 2 loop double-throw disconnecting link of QS2 28 dozens to standby 2 input, integration standby 2 variable-frequency power sources 8 powering loads, be specially integration standby 2 variable-frequency power sources 8 pass sequentially through the standby 1/ standby 2 loop double-throw disconnecting links 28 of standby 2 trunk interface c, QS2, QF2 back-up circuit chopper 31, QS4 load output disconnecting link 20 export in load.When needs overhaul a variable-frequency power sources, standby 2 variable-frequency power sources 8 of integration pass sequentially through standby 2 trunk interface c, QS3 emergent maintenance loop disconnecting link 29, QS4 load output disconnecting link 20 exports in load.The function of output short-circuit catalyst 32 is: after power cut-off, and QF1 major loop chopper 30 disconnects, and the back-emf that load returns is removed totally by output short-circuit catalyst 32.Output compensates the function of capacitance group 33: according to load difference of performance characteristic under each operating mode, load is carried out switching.The function impacting car/compensation car interface 34 is: by switching shock car and compensation car, it is achieved power supply or the power back-off to load, it is achieved the big current start of load rises week.
The work process of the present invention is:
The special integrated variable frequency power supply of uranium enrichment provided by the present invention is driven loaded work piece by four variable-frequency power sources that work under normal circumstances.For every the variable-frequency power sources that works, integrated power supply power cabinet 1 accesses the civil power of 380V/50Hz.Impact car/compensation car interface 34 and connect impact car, open QS4 load output disconnecting link 20, the power supply of 36V/50Hz is provided for load, be called the liter week of first stage.After this group load reaches the synchronous rotational speed of 50Hz, trigger PWM inverter 21, open QS1 performance loop input disconnecting link 27, QF1 major loop chopper 30, it is that load is powered by the 200V/500Hz electric energy of PWM inverter 21 inversion gained, impact car/compensation car interface 34 simultaneously and connect compensation car, carry out power back-off for load, be called the liter week of second stage.After this group load reaches the synchronous rotational speed of 500Hz, then regulating PWM inverter 21, band dynamic load enters final operating mode, i.e. 380V/1600Hz.When needing to shut down, disconnect PWM inverter 21, QF1 major loop chopper 30, and connect output short-circuit catalyst 32, the back-emf returned is removed clean.
When the variable-frequency power sources that works breaks down, disconnect QF1 major loop chopper 30, and open QF2 back-up circuit chopper 31, use standby variable frequency power supply: standby 1 variable-frequency power sources 7, standby 2 variable-frequency power sources 8.Fail operation variable-frequency power sources inquires about the use state of standby variable frequency power supply by CAN 19, if standby 1 variable-frequency power sources 7 is not used by, then the standby 1/ standby 2 loop double-throw disconnecting link of QS2 28 dozens is to standby 1 input, and standby 1 variable-frequency power sources 7 is load supplying；If by use, standby 2 variable-frequency power sources 8 are not used by standby 1 variable-frequency power sources 7, then the standby 1/ standby 2 loop double-throw disconnecting link of QS2 28 dozens is to standby 2 inputs, and standby 2 variable-frequency power sources 8 are load supplying.
When a work variable-frequency power sources is overhauled by needs, disconnecting QS1 performance loop input disconnecting link 27, disconnect the standby 1/ standby 2 loop double-throw disconnecting links 28 of QS2, open QS3 emergent maintenance loop disconnecting link 29, standby 2 variable-frequency power sources 8 are powered for load and Awaiting Overhaul work variable-frequency power sources.
Above in conjunction with drawings and Examples, the present invention is explained in detail, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, it is also possible under the premise without departing from present inventive concept, make various change.The content not being described in detail in the present invention all can adopt prior art.
Claims (7)
1. the special integrated variable frequency power supply of uranium enrichment, it is characterised in that: it is made up of 6 variable-frequency power sources: 1# work variable-frequency power sources (3), 2# work variable-frequency power sources (4), 3# work variable-frequency power sources (5), 4# work variable-frequency power sources (6), standby 1 variable-frequency power sources (7), standby 2 variable-frequency power sources (8)；The outfan of 1# work variable-frequency power sources (3) connects with the input of 1# working power load (9), the outfan of 2# work variable-frequency power sources (4) connects with the input of 2# working power load (10), the outfan of 3# work variable-frequency power sources (5) connects with the input of 3# working power load (11), and the outfan of 4# work variable-frequency power sources (6) connects with the input of 4# working power load (12)；1# work variable-frequency power sources (3), 2# work variable-frequency power sources (4), 3# work variable-frequency power sources (5), 4# are worked and are connected by standby 1 main line (13) between variable-frequency power sources (6) and the input of standby 1 variable-frequency power sources (7)；1# work variable-frequency power sources (3), 2# work variable-frequency power sources (4), 3# work variable-frequency power sources (5), 4# are worked and are connected by standby 2 main lines (14) between variable-frequency power sources (6) and the input of standby 2 variable-frequency power sources (8)；By CAN (19) connection between the communication ends of 6 variable-frequency power sources；The monitoring side of 6 variable-frequency power sources is all each connected by RS485 bus (18) with between the input for pyroelectric monitor system (15)；Feedback end for pyroelectric monitor system (15) connects with the receiving terminal of control room monitoring station (17)；The long-range monitoring side of 6 variable-frequency power sources all each and DCS tele-control system (16) pass through radio connectivity；The feedback end of DCS tele-control system (16) connects with the receiving terminal of control room monitoring station (17).
2. a kind of special integrated variable frequency power supply of uranium enrichment according to claim 1, it is characterised in that: described variable-frequency power sources includes integrated power supply power cabinet (1) and integrated power supply load cabinet (2).
3. a kind of special integrated variable frequency power supply of uranium enrichment according to claim 2, it is characterised in that: described integrated power supply power cabinet (1) includes PWM inverter (21), dc-link capacitance (22), 18 arteries and veins phase shift isolating transformer rectification (23), main electricity inlet wire power distribution equipment (24), soft circuit (25) and controller (26)；The input of main electricity inlet wire power distribution equipment (24) connects with power input (a), the outfan of main electricity inlet wire power distribution equipment (24) connects with the input of soft circuit (25), and outfan and 18 arteries and veins phase shift isolating transformer rectification (23), dc-link capacitance (22), the PWM inverter (21) of soft circuit (25) sequentially connect；PWM inverter (21), dc-link capacitance (22), 18 arteries and veins phase shift isolating transformer rectification (23), main electricity inlet wire power distribution equipment (24), soft circuit (25) control end connect with controller (26) respectively.
4. the one special integrated variable frequency power supply of uranium enrichment according to claim 3, it is characterised in that: described integrated power supply load cabinet (2) includes QS1 performance loop input disconnecting link (27), standby 1/ standby 2 loops double-throw disconnecting link (28) of QS2, QS3 emergent maintenance loop disconnecting link (29), QF1 major loop chopper (30), QF2 back-up circuit chopper (31), output short-circuit catalyst (32), output compensation capacitance group (33), impacts car/compensation car interface (34) and QS4 load output disconnecting link (20)；The input of QS1 performance loop input disconnecting link (27) connects with the outfan of PWM inverter (21), the outfan of QS1 performance loop input disconnecting link (27) connects with the input of QF1 major loop chopper (30), and the input that the outfan of QF1 major loop chopper (30) exports disconnecting link (20) with QS4 load connects；The outfan of QF1 major loop chopper (30) and output short-circuit catalyst (32), output compensate capacitance group (33), impact car/compensation car interface (34) is respectively communicated with；Standby 1 input in standby 1/ standby 2 loops double-throw disconnecting link (28) of QS2 connects with standby 1 trunk interface (b), and standby 2 inputs in standby 1/ standby 2 loops double-throw disconnecting link (28) of QS2 connect with standby 2 trunk interfaces (c)；The standby 1/ standby outfan in 2 loops double-throw disconnecting link (28) of QS2 connects with the input of QF2 back-up circuit chopper (31)；The input that the outfan of QF2 back-up circuit chopper (31) exports disconnecting link (20) with QS4 load connects；The input of QS3 emergent maintenance loop disconnecting link (29) connects with standby 2 trunk interfaces (c)；The maintenance input that the outfan of QS3 emergent maintenance loop disconnecting link (29) exports disconnecting link (20) with QS4 load connects；The outfan of QS4 load output disconnecting link (20) connects with load output interface (d)；QS1 performance loop inputs disconnecting link (27), standby 1/ standby 2 loops double-throw disconnecting link (28) of QS2, QF1 major loop chopper (30), QF2 back-up circuit chopper (31), output short-circuit catalyst (32), output compensates capacitance group (33), the control end of impact car/compensation car interface (34) connects with controller (26) respectively.
5. a kind of special integrated variable frequency power supply of uranium enrichment according to claim 4, it is characterised in that: through the liter week of three phases when described work variable-frequency power sources works:
The liter week of first stage: integrated power supply power cabinet (1) accesses the civil power of 380V/50Hz；Impact car/compensation car interface (34) and connect impact car, open QS4 load output disconnecting link (20), the power supply of 36V/50Hz is provided for load；
The liter week of second stage: trigger PWM inverter (21), open QS1 performance loop input disconnecting link (27), QF1 major loop chopper (30), it is that load is powered by the 200V electric energy of PWM inverter (21) inversion gained, impact car/compensation car interface (34) simultaneously and connect compensation car, carry out power back-off for load；The frequency of this 200V electric energy is 400Hz～700Hz；
The liter week of phase III: regulating PWM inverter (21), the 380V electric energy of gained is that load is powered；The frequency of this 380V electric energy is 1400Hz～1700Hz.
6. a kind of special integrated variable frequency power supply of uranium enrichment according to claim 5, it is characterised in that: when described work variable-frequency power sources is shut down
Disconnect PWM inverter (21), QF1 major loop chopper (30), and connect output short-circuit catalyst (32), the back-emf returned is removed clean.
7. a kind of special integrated variable frequency power supply of uranium enrichment according to claim 6, it is characterised in that: when described work variable-frequency power sources breaks down,
Disconnect QF1 major loop chopper (30), and open QF2 back-up circuit chopper (31), fail operation variable-frequency power sources is by the use state of CAN (19) inquiry standby variable frequency power supply, if standby 1 variable-frequency power sources (7) is not used by, then standby 1/ standby 2 loops double-throw disconnecting link (28) of QS2 are beaten to standby 1 input, and standby 1 variable-frequency power sources (7) is load supplying；If standby 1 variable-frequency power sources (7) is by use, standby 2 variable-frequency power sources (8) are not used by, then standby 1/ standby 2 loops double-throw disconnecting link (28) of QS2 are beaten to standby 2 inputs, and standby 2 variable-frequency power sources (8) are load supplying.
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| CN201410852282.8A CN105811782B (en) | 2014-12-31 | 2014-12-31 | The special integrated variable frequency power supply of uranium enrichment |
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| CN108270361A (en) * | 2016-12-30 | 2018-07-10 | 中核陕西铀浓缩有限公司 | The special one-stop intermediate frequency power supply of uranium enrichment |
| CN109038249A (en) * | 2018-06-29 | 2018-12-18 | 中核陕西铀浓缩有限公司 | Centrifugation cascade intermediate frequency parallel connection power supply |
| CN109916644A (en) * | 2017-12-13 | 2019-06-21 | 中核兰州铀浓缩有限公司 | It is centrifuged uranium enrichment process system ftercompction machine electromechanics experimental rig |
| CN109933036A (en) * | 2017-12-15 | 2019-06-25 | 中核兰州铀浓缩有限公司 | A kind of centrifuge intermediate frequency power supply system comprehensive parameters network monitoring module |
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| CN109933036A (en) * | 2017-12-15 | 2019-06-25 | 中核兰州铀浓缩有限公司 | A kind of centrifuge intermediate frequency power supply system comprehensive parameters network monitoring module |
| CN109038249A (en) * | 2018-06-29 | 2018-12-18 | 中核陕西铀浓缩有限公司 | Centrifugation cascade intermediate frequency parallel connection power supply |
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