CN2859902Y - In-line duplicate supply control device and in-line duplicate supply electric power unit - Google Patents
In-line duplicate supply control device and in-line duplicate supply electric power unit Download PDFInfo
- Publication number
- CN2859902Y CN2859902Y CN 200520128323 CN200520128323U CN2859902Y CN 2859902 Y CN2859902 Y CN 2859902Y CN 200520128323 CN200520128323 CN 200520128323 CN 200520128323 U CN200520128323 U CN 200520128323U CN 2859902 Y CN2859902 Y CN 2859902Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- power
- output
- inverter circuit
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an in-line duplicate supply control device and in-line duplicate supply electric power unit for continuously supplying power. Two or three power supply electrical source input wiring terminals are arranged on the control cabinet case, respectively connected to the input end of two or three commutate circuits in the control cabinet, the DC output of the two or three commutate circuits is connected to an inverting circuit. An operation control circuit containing a driving circuit, and a commutate circuit, a filtering circuit and an inverting circuit connected therein are arranged in the control cabinet; the output of the current, voltage detecting element and the control panel are all connected to the operation control circuit, and the output of the driving circuit is connected to the trigger control terminal of the power element for the inverting circuit. The utility model adopts the way of power supplying using the duplicate supply power and the commutate output parallel way, outputs the single phase of three-phase power frequency or frequency conversion AC power supply by the inverting circuit, to drive the motor or the industrial equipment application power, without the short power cut when switching the duplicate loop power, and has all the functions of the traditional transducer.
Description
One, technical field: the utility model relates to a kind of supply unit, particularly relates to a kind of online duplicate supply control device and online duplicate supply supply unit that is used for uninterrupted power supply.
Two, background technology: along with the continuous development of society, the raising of industrial automation controlling level, modern industrial production is more and more higher to the stability requirement of supply of electric power, and the intrinsic defective of continuous expansion, the equipment of electrical network and the destruction of some irresistible natural calamities make people seem unable to do what one wishes to the control of supply of electric power stability.The continous-stable that power network fluctuation has been upset industrial and agricultural production carries out, even can damage visual plant, influences personal safety, brings irretrievable loss for country, enterprise or individual.
Endanger to the destructiveness that ordinary production causes for fear of unexpected power failure, most power consumers all adopt two-way even the above power supply power supply of two-way, prevent long power-off event, but the switching of double loop power supply short time still is difficult to avoid have a power failure, visual plant still can be out of service, bring certain influence to ordinary production, double loop power supply also can't resolve under this electric power system that causes because of power network fluctuation those, and relatively apparatus sensitive is out of service to voltage fluctuation.At present people generally adopt avoids having a power failure suddenly that to bring the supply unit of harm to industrial production be ups power, the shortcoming that ups power exists is, can only keep the power supply of the lower important control equipment of some power at short notice, be subjected to the restriction of battery, power is done greatly and is not easy, and it is big to take up room, and maintenance is also bigger, can't satisfy the user demand of high-power electric appliance, UPS presses in also being difficult to adapt to, the high voltage supply field.Even adopt traditional stable-pressure device, because of its voltage stabilizing time longer, also be difficult to avoid shut down, can not satisfy industrial requirements, the power of stable-pressure device will be done and need occupation space also very big greatly simultaneously, the power consumption height is uneconomical, and is powerless to power outage.
The disclosed a kind of online uninterrupted power supply of China utility model patent ZL95210131.9, with the patent No. be the UPS without power consumption of ZL00114301.8, the computer of ZL01232884.7 is controlled online uninterrupted power supply(ups), all be from the angle that increases storage battery under the situation of mains failure by storage battery power supply, the online anti-interference uninterrupted power supply of four ports of ZL952229277 is on the basis of existing three port uninterrupted power supply UPS, set up the auxiliary inversion winding, remedied the existing three port UP S defective that voltage is interrupted in handoff procedure, satisfied under abominable electrical network condition the need for electricity of high-grade equipment such as computer.The problem that their solve is just: be certain equipment continued power temporarily under situation about having a power failure, do not solve to the double-cricuit supply of power devices had a power failure in the short time when the switching, do not cause equipment problem out of service.
Three, utility model content:
The technical problem that the utility model solves: at disadvantages of background technology, propose a kind of online duplicate supply control device and online duplicate supply supply unit, overcome the short supply interruption of common double ring current when switching, caused visual plant stoppage in transit problem.
The technical solution adopted in the utility model:
A kind of online duplicate supply control device, contain control cubicle and control panel, on the control cubicle housing, be provided with main circuit power input and output binding post, be provided with the arithmetic control circuit and the connected rectification circuit that contain drive circuit in the control cubicle, filter circuit, inverter circuit, electric current, the output of voltage detector component all is connected with arithmetic control circuit with control panel, the output of drive circuit connects the trigger control end of the power component of inverter circuit, the power supply input wires terminal that is located on the control cubicle housing is a two-way or three tunnel, connect two-way or three road power supplies respectively, two-way or three road power supply binding posts connect the input of two groups or three groups rectification circuits in the control cubicle respectively, the direct current output of two groups or three groups rectification circuits inserts the input of inverter circuit after filtering, organize respectively perhaps after the output parallel connection of rectification circuit after filtration that ripple inserts inverter circuit, the output of inverter circuit connects the power supply output wiring terminal.
Described online duplicate supply control device, power supply is the three-phase main-frequency alternating current, power supply is a two-way, rectification circuit is a three-phase bridge fully controlled rectifier, filter circuit adopts capacitor filtering, inverter circuit adopts the IGBT inverter circuit of three-phase output, the rectifier bridge CZ1 that the duplex feeding power supply is formed through diode T1～T6 and T7～T12 respectively, CZ2 becomes direct current, the parallel connection of two-way direct current same polarity, after filtering, insert two inputs of inverter circuit respectively, connect the braking circuit that oxide-semiconductor control transistors Q and brake resistance Rz are composed in series after the filtering between the two poles of the earth of direct current output.
Described online duplicate supply control device, rectification circuit adopts the uncontrollable rectification circuit of bridge-type, or is halbgesteuerte Gleichrichterbrueckenschaltung; Filter circuit adopts inductor filter, perhaps capacitor filtering, and active power filtering is perhaps adopted in the "T"-shaped filtering of perhaps adopting inductance to combine with electric capacity, or the filtering of " ∏ " shape, or the filtering of " L " shape; Inverter circuit or employing GTO or IGCT inverter circuit perhaps adopt the integrated intelligent IPM power model of IGBT and drive circuit.
Described online duplicate supply control device, power supply uses two-way single phase industrial frequence alternating current, two groups of single phase bridge type rectifier circus of the corresponding employing of rectification circuit, the direct current output of rectification circuit inserts the input of inverter circuit after filtering, inverter circuit adopts the IGBT inverter circuit of two-phase or three-phase output, perhaps adopt the GTO inverter circuit, or the IGCT inverter circuit, or intelligent IPM power model.
Described online duplicate supply control device, the rectifier cell of rectification circuit and the filter element of filter circuit adopt high voltage device, and in perhaps adopting, the low voltage component series connection, inverter circuit adopts the high-voltage power element, or the series connection of many power components.
Described online duplicate supply control device, contain power supply switch circuit, be serially connected with A.C. contactor KM1 at the inverter circuit power output end, be serially connected with A.C. contactor KM2 and KM3 respectively in the circuit of A.C. contactor KM1 output and between the first via power supply and the second road power input, the control power supply of A.C. contactor KM2 and KM3 is taken from ac power input end separately respectively.
A kind of online duplicate supply supply unit, contain control cubicle and control panel, on the control cubicle housing, be provided with main circuit power input and output binding post, be provided with the arithmetic control circuit and the connected rectification circuit that contain drive circuit in the control cubicle, filter circuit, inverter circuit, electric current, the output of voltage detector component all is connected with arithmetic control circuit with control panel, the output of drive circuit connects the trigger control end of the power component of inverter circuit, the power supply input wires terminal that is located on the control cubicle housing is a two-way, power supply is the three-phase main-frequency alternating current, the duplex feeding power supply inserts the input of two groups of three-phase bridge rectifier circuits being made up of rectifier diode or controllable silicon respectively, the direct current output same polarity filter circuit that inserts in parallel of two groups of rectification circuits, after filtering, insert the input of inverter circuit, inverter circuit adopts the IGBT inverter circuit of three-phase output, the three-phase output end of inverter circuit connects the elementary three-phase coil two ends of transformer respectively in twos, and the secondary coil three-phase output of transformer connects the power output terminal on the control cubicle housing.
Described online duplicate supply supply unit, rectification circuit adopt the bridge-type all controlled rectifier circuit, or are halbgesteuerte Gleichrichterbrueckenschaltung, or are control rectifying circuit not; Filter circuit adopts inductor filter, perhaps capacitor filtering, and active filter circuit is perhaps adopted in the "T"-shaped filtering of perhaps adopting inductance to combine with electric capacity, or the filtering of " ∏ " shape, or the filtering of " L " shape; Inverter circuit or employing GTO inverter circuit, perhaps the IGCT inverter circuit perhaps adopts the integrated intelligent IPM power model of IGBT and drive circuit.
Described online pair of formula duplicate supply supply unit, be connected in parallel the respectively inverter circuit of three groups of single-phase outputs of the output of filter circuit, two outputs of every group of inverter circuit connect three coil two ends of transformer respectively, the output junctor body case power output terminal of transformer secondary output coil.
Useful good effect of the present utility model:
1, online duplicate supply control device supply unit employing is supplied power with double circuit, and power supply is powered simultaneously, the mode of rectification output-parallel, through inverter circuit output single-phase or three-phase main-frequency or variable frequency alternating current power source, in order to drive motors or as the industrial equipment applied power source, power cut problem in short-term when not existing the double-cricuit supply power supply to switch, do not influence normally carrying out of power consumption equipment and production, guaranteed the output and the quality of product.
2, online duplicate supply control device has all functions of traditional frequency conversion device, can adjust frequency automatically as required, realization equipment soft start and variable frequency control, saves energy greatly, reduce impact on the one hand, improve electric power system stability, can significantly reduce impact and wearing and tearing on the other hand power consumption equipments such as motor, blower fan or water pumps to power supply grid, prolong service life of equipment, reduce the maintenance and repair expense.
Four, description of drawings:
Fig. 1: online duplicate supply control device principle block diagram
Fig. 2: online duplicate supply control device main circuit theory structure schematic diagram
Fig. 3: three-phase bridge rectifier circuit schematic diagram
Fig. 4: middle and high voltage rectifier schematic diagram
Fig. 5: the middle and high press filtration wave circuit of capacitances in series schematic diagram
Fig. 6: active filter circuit schematic diagram
Fig. 7: single-phase four power component inverter circuits
Fig. 8: single-phase two power component inverter circuits
Fig. 9: the inverter circuit of two-phase output
Figure 10: the inverter circuit of three-phase output
Figure 11: the middle and high pressure inverter circuit of inverter power element connected in series
Figure 12: the common three-phase inverting circuit that uses transformer
Figure 13: the unbalanced inverter circuit of severe three-phase
Five, embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, online duplicate supply control device, contain control cubicle and control panel, on the control cubicle housing, be provided with main circuit power input and output binding post, be provided with the arithmetic control circuit 4 and the connected rectification circuit 1 that contain drive circuit in the control cubicle, filter circuit 3, inverter circuit 2, electric current, the output of voltage detector component all is connected with arithmetic control circuit 4 with control panel (not drawing among the figure), the output of drive circuit connects the trigger control end of the power component of inverter circuit 2, the power supply input wires terminal that is located on the control cubicle housing is a two-way, connect the duplex feeding power supply respectively, the duplex feeding power supply terminal connects the input of two groups of rectification circuits in the control cubicle respectively, the output of the two groups of rectification circuits filter circuit that inserts in parallel, insert inverter circuit after filtering, the output of inverter circuit connects the power supply output wiring terminal.5 is the filter reactor of filter circuit among Fig. 1.
Present embodiment power supply and inversion are output as three-phase main-frequency or frequency-changing AC, rectification circuit adopts three-phase full-bridge controlled rectifier, inverter circuit adopts the IGBT inverter circuit of three-phase output shown in Figure 10, the duplex feeding power supply becomes direct current through the rectifier bridge CZ1 and the CZ2 of diode T1～T6 and T7～T12 composition respectively, the two-way direct current is through same polarity parallel connection after the capacitor C filtering (perhaps after the parallel connection again through filter circuit filtering), insert two inputs of inverter circuit then, the output of inverter circuit connects the power supply output wiring terminal.The online duplicate supply frequency-converting control device of present embodiment is used to drive the separate unit motor, connects the braking circuit 6 that oxide-semiconductor control transistors Q and brake resistance Rz form this moment between filter circuit output the two poles of the earth.Oxide-semiconductor control transistors Q control end concatenation operation control circuit.
In concrete enforcement, rectification circuit also can adopt the uncontrollable bridge rectifier of three-phase, referring to Fig. 3, forms each brachium pontis of three phase rectifier electric bridge, the output access filter circuit of rectifier bridge by six rectifier diode D1～D6; Rectification circuit also can adopt half-controlling bridged rectifier.Filter circuit can adopt capacitor filtering or inductor filter, the "T"-shaped filtering of perhaps adopting inductance to combine with electric capacity, or the filtering of " ∏ " shape, or the filtering of " L " shape.Inverter circuit also can adopt the GTO inverter circuit, or is the IGCT inverter circuit, or IPM inverter circuit etc., in use, can select power component according to electric current, frequency and to the height that equipment performance requires.For middle and high pressing system, use the series connection of high-voltage power element or many power components to solve voltage problem, Fig. 4 is a plurality of rectifier cells (per two each brachium pontis that are composed in series bridge rectifier of D1～D12); Fig. 5 is two filter circuits that capacitor C 1, C2 are composed in series, and Figure 11 is the series connection of inverter circuit power component.A kind of version of Fig. 6 active filter circuit, capacitor C are connected in parallel on two outputs of rectification circuit, connect inductance L and oxide-semiconductor control transistors Q between the positive and negative electrode of capacitor C, and the contact of inductance L and oxide-semiconductor control transistors Q is exported filtered direct current through diode D.
Embodiment two: referring to Fig. 1, Fig. 7, Fig. 8, Fig. 9, the difference of present embodiment and embodiment one is that power supply uses two-way single phase industrial frequence alternating current, inverter circuit is output as single phase industrial frequence or frequency-changing AC, two groups of single phase bridge type rectifier circus of the corresponding employing of rectification circuit, the output of rectification circuit connects the input of filter circuit, the output of filter circuit inserts the input of inverter circuit, inverter circuit adopts the IGBT inverter circuit of two-phase output, or be the GTO inverter circuit, or be the IGCT inverter circuit, or intelligent IPM power model.
Fig. 7 is single-phase four power component inverter output circuits, four groups of series arm the two poles of the earth of inserting filter circuit output in parallel that per two series connection of inverter power element are formed, and the contact of series arm two power components connects the control cubicle power output terminal; Fig. 8 is single-phase two power component inverter output circuits, and the former wherein one group of series arm of forming with two electric capacity of power component series arm is replaced; Fig. 9 is single-phase four power component two-phases output inverter circuit, the series arm that two electric capacity in parallel are formed between the two poles of the earth of filtering output and four inverter power elements are formed two series arms, and two loads are connected on respectively between the power component node of the contact of two electric capacity and two power component series arms.
Embodiment three: present embodiment is the practical circuit of embodiment one online duplicate supply control device, be on the circuit base of embodiment one, to increase power supply switch circuit, be serially connected with A.C. contactor KM1 at the inverter circuit power output end, be serially connected with A.C. contactor KM2 and KM3 respectively in the circuit of A.C. contactor KM1 output and between the first via power supply and the second road power input, the control power supply of A.C. contactor KM2 and KM3 is taken from ac power input end separately respectively.KM2 and KM3 disconnected when KM1 connected, online duplicate supply work, and when online duplicate supply broke down, KM1 disconnected, and can select to use the first via power supply and the second road power supply to power to power consumption equipment respectively.
Embodiment four: referring to Fig. 1, Fig. 2, present embodiment is online duplicate supply supply unit, as industrial electricity apparatus system power supply, its difference with embodiment one is: do not need to be connected the braking circuit of being made up of oxide-semiconductor control transistors Q and brake resistance Rz 3 when using as power supply.
Embodiment five: referring to Fig. 1, Fig. 2, Figure 12, the online duplicate supply supply unit of present embodiment is a kind of version of industrial electricity apparatus system power supply, with doing the power consumption equipment power supply to system.It is that the inverting output terminal at three-phase inverting circuit increases the output transformer composition on the basis of embodiment four, be the elementary three-phase coil two ends that the three-phase output end of inverter circuit output connects transformer B respectively in twos, the secondary coil three-phase output junctor body case power output terminal of transformer.
Embodiment six: referring to Fig. 1, Fig. 2, Figure 13, the online duplicate supply supply unit of present embodiment is used for the serious unbalanced situation of power supply, with the difference of embodiment four be: the output of the filter circuit three groups of single-phase inverter circuits that are connected in parallel respectively, two outputs of three groups of inverter circuits connect three coil two ends of transformer respectively, the output junctor body case power output terminal of transformer secondary output coil.The anti-unbalance current capacity is stronger, and the ability of band uncompensated load reaches 100%.
Claims (10)
1, a kind of online duplicate supply control device, contain control cubicle and control panel, on the control cubicle housing, be provided with main circuit power input and output binding post, be provided with the arithmetic control circuit and the connected rectification circuit that contain drive circuit in the control cubicle, filter circuit, inverter circuit, electric current, the output of voltage detector component all is connected with arithmetic control circuit with control panel, the output of drive circuit connects the trigger control end of the power component of inverter circuit, it is characterized in that: the power supply input wires terminal that is located on the control cubicle housing is a two-way or three tunnel, connect two-way or three road power supplies respectively, two-way or three road power supply binding posts connect the input of two groups or three groups rectification circuits in the control cubicle respectively, the direct current output of two groups or three groups rectification circuits inserts the input of inverter circuit after filtering, organize respectively perhaps after the output parallel connection of rectification circuit after filtration that ripple inserts inverter circuit, the output of inverter circuit connects the power supply output wiring terminal.
2, online duplicate supply control device according to claim 1, it is characterized in that: power supply is the three-phase main-frequency alternating current, power supply is a two-way, rectification circuit is a three-phase bridge fully controlled rectifier, filter circuit adopts capacitor filtering, inverter circuit adopts the IGBT inverter circuit of three-phase output, the rectifier bridge CZ1 that the duplex feeding power supply is formed through diode T1～T6 and T7～T12 respectively, CZ2 becomes direct current, the parallel connection of two-way direct current same polarity, after filtering, insert two inputs of inverter circuit respectively, connect the braking circuit that oxide-semiconductor control transistors Q and brake resistance RZ are composed in series after the filtering between the two poles of the earth of direct current output.
3, online duplicate supply control device according to claim 1, it is characterized in that: rectification circuit is adopted halbgesteuerte Gleichrichterbrueckenschaltung, the "T"-shaped filter circuit that filter circuit adopts inductance to combine with electric capacity; Inverter circuit adopts IGBT and the integrated intelligent IPM power model of drive circuit.
4, online duplicate supply control device according to claim 1, it is characterized in that: power supply uses two-way single phase industrial frequence alternating current, two groups of single phase bridge type rectifier circus of the corresponding employing of rectification circuit, the direct current output of rectification circuit inserts the input of inverter circuit after filtering, inverter circuit adopts the IGBT inverter circuit of two-phase or three-phase output, perhaps adopt the GTO inverter circuit, or the IGCT inverter circuit, or intelligent IPM power model.
5, according to claim 2 or 3 described online duplicate supply control device, it is characterized in that: the rectifier cell of rectification circuit and the filter element of filter circuit adopt high voltage device, in perhaps adopting, the low voltage component series connection, inverter circuit adopts the high-voltage power element, or the series connection of many power components.
6, according to claim 2 or 3 described online duplicate supply control device, it is characterized in that: contain power supply switch circuit, be serially connected with A.C. contactor KM1 at the inverter circuit power output end, be serially connected with A.C. contactor KM2 and KM3 respectively in the circuit of A.C. contactor KM1 output and between the first via power supply and the second road power input, the control power supply of A.C. contactor KM2 and KM3 is taken from ac power input end separately respectively.
7, a kind of online duplicate supply supply unit, contain control cubicle and control panel, on the control cubicle housing, be provided with main circuit power input and output binding post, be provided with the arithmetic control circuit and the connected rectification circuit that contain drive circuit in the control cubicle, filter circuit, inverter circuit, electric current, the output of voltage detector component all is connected with arithmetic control circuit with control panel, the output of drive circuit connects the trigger control end of the power component of inverter circuit, it is characterized in that: the power supply input wires terminal that is located on the control cubicle housing is a two-way, power supply is the three-phase main-frequency alternating current, the duplex feeding power supply inserts the input of two groups of three-phase bridge rectifier circuits being made up of rectifier diode or controllable silicon respectively, the direct current output same polarity filter circuit that inserts in parallel of two groups of rectification circuits, after filtering, insert the input of inverter circuit, inverter circuit adopts the IGBT inverter circuit of three-phase output, the three-phase output end of inverter circuit connects the elementary three-phase coil two ends of transformer respectively in twos, and the secondary coil three-phase output of transformer connects the power output terminal on the control cubicle housing.
8, online duplicate supply supply unit according to claim 7 is characterized in that: rectification circuit adopts the bridge-type all controlled rectifier circuit, and filter circuit adopts inductor filter, and inverter circuit adopts IGBT and the integrated intelligent IPM power model of drive circuit.
9, online duplicate supply supply unit according to claim 7, it is characterized in that: rectification circuit adopts not control rectifying circuit of bridge-type, " П " shape filter circuit that filter circuit adopts inductance to combine with electric capacity, inverter circuit adopts GTO inverter circuit, perhaps IGCT inverter circuit.
10, according to claim 7 or 8 or 9 described online pair of formula duplicate supply supply units, it is characterized in that: be connected in parallel the respectively inverter circuit of three groups of single-phase outputs of the output of filter circuit, two outputs of every group of inverter circuit connect three coil two ends of transformer respectively, the output junctor body case power output terminal of transformer secondary output coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520128323 CN2859902Y (en) | 2005-11-28 | 2005-11-28 | In-line duplicate supply control device and in-line duplicate supply electric power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520128323 CN2859902Y (en) | 2005-11-28 | 2005-11-28 | In-line duplicate supply control device and in-line duplicate supply electric power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2859902Y true CN2859902Y (en) | 2007-01-17 |
Family
ID=37612759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520128323 Expired - Fee Related CN2859902Y (en) | 2005-11-28 | 2005-11-28 | In-line duplicate supply control device and in-line duplicate supply electric power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2859902Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639514B (en) * | 2009-08-24 | 2011-06-22 | 天津华云自控股份有限公司 | Detecting device for detecting IGBT |
| CN102510647A (en) * | 2011-11-01 | 2012-06-20 | 北京工业大学 | Double inverter power supply used for large-power electronic ballast |
| WO2015131781A1 (en) * | 2014-03-04 | 2015-09-11 | 伊顿公司 | Ups circuit |
| CN106452067A (en) * | 2016-10-08 | 2017-02-22 | 中国科学院光电研究院 | Balloon-borne power converter for tethered balloon |
| CN106816873A (en) * | 2015-12-01 | 2017-06-09 | 玖星控股有限公司 | A kind of indoor AC-DC two-way electric power system |
| CN106851888A (en) * | 2017-02-06 | 2017-06-13 | 中国航天空气动力技术研究院 | A kind of double circuit power supply circuit of 50MW alternating current arcs heater |
| CN109066967A (en) * | 2018-09-07 | 2018-12-21 | 安徽合力股份有限公司 | A kind of electronic work vehicle double power-supply system |
| CN109286238A (en) * | 2017-07-23 | 2019-01-29 | 光宝科技股份有限公司 | Power supply device |
| CN110168908A (en) * | 2016-12-27 | 2019-08-23 | 株式会社开道 | Three-phase/single phase alternating current power supply corresponds to type electrical hoist |
| CN112271814A (en) * | 2020-11-16 | 2021-01-26 | 合肥联信电源有限公司 | Method for zero-interruption conversion of double power supplies |
| CN113206608A (en) * | 2021-04-26 | 2021-08-03 | 四川优力源电子科技有限公司 | Special processing device for signal mechanical room power safety |
-
2005
- 2005-11-28 CN CN 200520128323 patent/CN2859902Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101639514B (en) * | 2009-08-24 | 2011-06-22 | 天津华云自控股份有限公司 | Detecting device for detecting IGBT |
| CN102510647A (en) * | 2011-11-01 | 2012-06-20 | 北京工业大学 | Double inverter power supply used for large-power electronic ballast |
| WO2015131781A1 (en) * | 2014-03-04 | 2015-09-11 | 伊顿公司 | Ups circuit |
| US10536030B2 (en) | 2014-03-04 | 2020-01-14 | Eaton Intelligent Power Limited | UPS circuit |
| CN106816873A (en) * | 2015-12-01 | 2017-06-09 | 玖星控股有限公司 | A kind of indoor AC-DC two-way electric power system |
| CN106452067B (en) * | 2016-10-08 | 2019-03-15 | 中国科学院光电研究院 | A kind of balloon borne supply convertor of captive balloon |
| CN106452067A (en) * | 2016-10-08 | 2017-02-22 | 中国科学院光电研究院 | Balloon-borne power converter for tethered balloon |
| CN110168908A (en) * | 2016-12-27 | 2019-08-23 | 株式会社开道 | Three-phase/single phase alternating current power supply corresponds to type electrical hoist |
| CN110168908B (en) * | 2016-12-27 | 2021-05-11 | 株式会社开道 | Three-phase/single-phase AC power supply corresponding type electric hoist |
| CN106851888A (en) * | 2017-02-06 | 2017-06-13 | 中国航天空气动力技术研究院 | A kind of double circuit power supply circuit of 50MW alternating current arcs heater |
| CN109286238A (en) * | 2017-07-23 | 2019-01-29 | 光宝科技股份有限公司 | Power supply device |
| CN109066967A (en) * | 2018-09-07 | 2018-12-21 | 安徽合力股份有限公司 | A kind of electronic work vehicle double power-supply system |
| CN112271814A (en) * | 2020-11-16 | 2021-01-26 | 合肥联信电源有限公司 | Method for zero-interruption conversion of double power supplies |
| CN113206608A (en) * | 2021-04-26 | 2021-08-03 | 四川优力源电子科技有限公司 | Special processing device for signal mechanical room power safety |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2859902Y (en) | In-line duplicate supply control device and in-line duplicate supply electric power unit | |
| CN102064712A (en) | Power electronic transformer based on simple PFC (Power Factor Correction) | |
| CN103187785B (en) | A kind of UPS module and ups system | |
| CN203289117U (en) | High-efficient rectification and inversion integrated energy feedback system | |
| CN105071679A (en) | Five-level self-balanced inverter based on bridge switched capacitor module | |
| CN1697279A (en) | Multifunctional adjuster for quality of voltage in low voltage system | |
| CN203399013U (en) | Static synchronous compensator based on three-level H bridge cascade and voltage source inversion module | |
| EP2904678A1 (en) | High-efficiency electric conversion and continuity management system for uninterruptible power supplies (ups) and derived apparatuses | |
| CN107947613A (en) | A kind of high-voltage large-capacity modularization multi-level converter based on IGCT | |
| CN1852021A (en) | L-source inventer | |
| CN101699699A (en) | Uninterruptible power supply | |
| CN101582648A (en) | Rectifier circuit | |
| CN102013814A (en) | Single quadrant high-pressure frequency converter topology structure without transformer | |
| CN105591533B (en) | A kind of PWM convertor circuits and the frequency converter comprising the circuit | |
| CN201887672U (en) | High-power power electronic transformer based on fault-tolerant design | |
| CN207753633U (en) | A kind of high-voltage large-capacity modularization multi-level converter based on IGCT | |
| CN201956686U (en) | Active power filtering device | |
| CN101699698B (en) | uninterruptible power supply | |
| CN103166478B (en) | A kind of high-tension integral gate change transistor five level power cabinet | |
| CN201966809U (en) | Power electronic transformer based on simple PFC (Power Factor Correction) | |
| CN214154020U (en) | 10kV series active voltage regulating system | |
| CN2223852Y (en) | Uninterrupted power supply special for micro computer system | |
| CN101071975A (en) | Dual three-level phase-shift high-voltage high-power frequency transformer | |
| CN110460229B (en) | Modular multilevel frequency converter starting circuit and starting and low-speed operation method thereof | |
| CN202565186U (en) | VSC transverter made of IGBT |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070117 Termination date: 20091228 |