CN1378322A - High voltage large power uninterrupted power supply - Google Patents
High voltage large power uninterrupted power supply Download PDFInfo
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- CN1378322A CN1378322A CN 02110194 CN02110194A CN1378322A CN 1378322 A CN1378322 A CN 1378322A CN 02110194 CN02110194 CN 02110194 CN 02110194 A CN02110194 A CN 02110194A CN 1378322 A CN1378322 A CN 1378322A
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Abstract
A high-voltage and high-power uniterrupted power source has its circuit consisting of a three-phase AC input transformer and a power unit module circuit which is composed of 6 power unit modules and each of them consisting of rectifier, DC filter capacitor, IGBT single phase full bridge inverter, storage battery set and electric charger, each phase having 2 power unit modules connected in series and connected in front or rear with reactor and three-phase output transformer or is composed of 12, 15 or 21 power unit modules, each correspondingly having 4,5 or 7 power unit modules connected in series and connected with three-phase output transformer and controller separately for the individual charger being used by each independently. The controller is composed of a chip circuit connected to each other, industrial computer and logic program controller.
Description
Technical field
The invention belongs to the power electronics power technique fields, a kind of high voltage large power uninterrupted power supply that utilizes new high-pressure frequency-conversion fabrication techniques of more clearly saying so.
Background technology
Traditional uninterrupted power supply (ups) Unity has following shortcoming and defect: power output is little, generally hundreds of, tens of, several are below KW even littler, be difficult to do to satisfy the particularly important laboratory of powerful electrical appliance and some visual plant needs greatly to uninterrupted power supply; Voltage is low, can not satisfy the needs of high-tension electrical appliance to uninterrupted power supply; Current waveform is poor, and high order and low-order harmonic are all very abundant, and the power factor under the load is low, often less than 0.9 even lower; Output stability is poor, more than output voltage instability, stability are difficult to accomplish very much; Efficient is low, general less than 0.9 even littler.In addition, existing uninterrupted power supply structure is reasonable inadequately, and when wherein certain part broke down, often complete machine quit work and waits to repair.Above-mentioned existing uninterrupted power supply is difficult to satisfy the requirement of various electrical appliances to uninterrupted power supply.
Purpose of the present invention is to overcome above-mentioned shortcoming and defect, and the stability height, efficient height of a kind of high voltage, high-power, High Power Factor, no harmonic wave,, output voltage little to the pollution of electrical network, high voltage large power uninterrupted power supply rational in infrastructure are provided.
Summary of the invention
In order to achieve the above object, high voltage large power uninterrupted power supply of the present invention is made of shell and the electric wiring that is installed in the shell.Electric wiring is made of three-phase AC input circuit and the power unit module circuit that is connected with three-phase AC input circuit.Power unit module by rectifier, the DC filter capacitors that is connected with rectifier, IGBT (insulated gate bipolar transistor npn npn) single-phase full-bridge inverter that is connected with DC filter capacitors, be connected in parallel on the batteries on the rectifier output end and form with the charger that three-phase AC input circuit is connected with batteries.The power unit module technology that the present invention adopts has made things convenient for I﹠M, has improved the reliability of power supply greatly.In the course of work of power supply, when some unit break down, its auto by pass can be cut out system and do not influence the operation of other unit.And, can send alarm signal, the prompting relevant personnel change.
Three-phase AC input circuit can be a three-phase phase-shifting transformer.The power unit module circuit can be made up of 6 power unit modules, and every have 2 power unit modules to connect mutually.The power unit module circuit also successively is connected with the three-phase output transformer with reactor.All power unit modules use the charge independence device.This is the uninterrupted power supply by 2 power unit module series connection.
Three-phase AC input circuit also can be a phase shifting transformer.The power unit module circuit can be made up of 12 power unit modules, and every have 4 power unit modules to connect mutually.The power unit module circuit also is connected with controller with the three-phase output transformer respectively.Each power unit module all uses the charge independence device.Controller then is made up of single chip circuit, industrial control computer and the PLC (logic programming controller) of interconnection.This is the uninterrupted power supply by 4 power unit module series connection.
Three-phase AC input circuit also can be a phase shifting transformer.The power unit module circuit can be made up of 15 power unit modules, and every have 5 power unit modules to connect mutually.The power unit module circuit also is connected with controller with the three-phase output transformer respectively.Each power unit module all uses the charge independence device.Controller then is made up of single chip circuit, industrial control computer and the PLC (logic programming controller) of interconnection.This is the uninterrupted power supply by 5 power unit module series connection.
Three-phase AC input circuit also can be a phase shifting transformer.The power unit module circuit can be made up of 21 power unit modules, and every have 7 power unit modules to connect mutually.The power unit module circuit also is connected with controller with the three-phase output transformer respectively, and each power unit module all uses the charge independence device.Controller then is made up of single chip circuit, industrial control computer and the logic programming controller of interconnection.This is the uninterrupted power supply by 7 power unit module series connection.
Above-mentioned power supply of the present invention adopts the commutation technique of multistage phase shift stack, has improved the waveform of electric current greatly, has reduced input current harmonics, makes the power factor under its load approach 1.
Its output inverter has partly adopted the direct overlapped in series technology with independent DC power supply single-phase bridge SPWM inverter, reduced the low-order harmonic of output voltage, made things convenient for the adjusting of output voltage, the stable state and the dynamic voltage balancing problem of switching device series connection have been eliminated, reduced the switching frequency of single switch device, improved inversion efficiency, can guarantee input voltage in+10%～-15% excursion, output voltage stabilization is constant.
Controller core is realized by high-speed microprocessor and the collaborative computing of Industry Control PC.Well-designed algorithm can guarantee that system reaches optimum performance.The Industry Control PC provides full Chinese Windows monitoring and operation interface, can realize remote monitoring and networking control simultaneously.Controller also comprises a built-in PLC (logic programming controller), is used for the logical process of switching signal in the cabinet and the coordination of on-the-spot various operation signal and status signal, has strengthened the flexibility of system.
Adopt VME standard container body structure on the controller architecture.Each control unit plate adopts large scale integrated circuit and surface soldered technology such as FPGA, CPLD, makes system have high reliability.
In addition, adopt optical fiber communication technology between controller and the power cell, low-pressure section and high-pressure section are reliable fully isolates, and makes system have high fail safe.Simultaneously, it has good Electro Magnetic Compatibility, strong anti-interference performance.
Task of the present invention comes to this and finishes.
The invention provides the stability height, efficient height of a kind of high voltage, high-power, output voltage, high voltage large power uninterrupted power supply rational in infrastructure.Its input voltage can reach 3000～10000V, and power output can reach 300～6000KVA, and gross efficiency can be up to 92%, output voltage setting range 100～10000V, and output power factor can reach 0.95～0.99, output frequency setting range 40～120HZ.It can be widely used in the uninterrupted power supply of various electric equipments.
Description of drawings
Fig. 1 is the circuit diagram of power unit module of the present invention.
Fig. 2 is every electrical schematic diagram that the ups power of 2 power unit module series connection is arranged mutually.
Fig. 3 is every electrical schematic diagram that the ups power of 4 power unit module series connection is arranged mutually.
Fig. 4 is every electrical schematic diagram that the ups power of 5 power unit module series connection is arranged mutually.
Fig. 5 is every electrical schematic diagram that the ups power of 7 power unit module series connection is arranged mutually.
Shown in Figure 1, electric wiring is made of three-phase AC input circuit 1 and power unit module circuit 2.Power unit module 6 is made up of rectifier 3, DC filter capacitors 4, IGBT single-phase full-bridge inverter 5, batteries 13 and charger 14.Power unit module circuit 2 is made up of 1 power unit module 6.
Shown in Figure 2, three-phase AC input circuit 1 of the present invention is a three-phase isolation transformer.Power unit module circuit 2 is made up of 6 power unit modules 6, and every have 2 power unit modules 6 to connect mutually.Power unit module circuit 2 also successively is connected with three-phase output transformer 8 with reactor 7.Each power unit module 6 all uses charge independence device 14.
Shown in Figure 3, three-phase AC input circuit 1 of the present invention is a phase shifting transformer.Power unit module circuit 2 is made up of 12 power unit modules 6, and every have 4 power unit modules 6 to connect mutually.Power unit module circuit 2 also is connected with controller 9 with three-phase output transformer 8 respectively.Controller 9 is made up of single chip circuit 10, industrial control computer 11 and the logic programming controller 12 of interconnection.Its input voltage is 3KV.Each power unit module 6 all uses charge independence device 14.
Shown in Figure 4, power unit module circuit 2 of the present invention is made up of 15 power unit modules 6, and every have 5 power unit modules 6 to connect mutually.Its input voltage is 6KV.Each power unit module 6 all uses charge independence device 14.
Shown in Figure 5, power unit module circuit 2 of the present invention is made up of 21 power unit modules 6, and every have 7 power unit modules 6 to connect mutually.Its input voltage is 10KV.Each power unit module 6 all uses charge independence device 14.
Embodiment
Embodiments of the invention are as follows:
1. 1 kinds of high voltage large power uninterrupted power supplies of embodiment, as shown in Figure 1.It is made of shell and the electric wiring that is installed in the shell.Electric wiring is made of three-phase AC input circuit and the power unit module circuit that is connected with three-phase AC input circuit.Power unit module by rectifier, DC filter capacitors, IGBT single-phase full-bridge inverter, be connected in parallel on the batteries on the rectifier output end and form with the charger that three-phase AC input circuit is connected with batteries.
2. 1 kinds of high voltage large power uninterrupted power supplies of embodiment, as shown in Figure 2.Its three-phase AC input circuit is a three-phase isolation transformer, and the power unit module circuit is made up of 6 power unit modules, and every have 2 power unit modules to connect mutually, and the power unit module circuit also successively is connected with the three-phase output transformer with reactor.Each power unit module all uses the charge independence device.
3. 1 kinds of high voltage large power uninterrupted power supplies of embodiment, as shown in Figure 3.Its three-phase AC input circuit is a phase shifting transformer.The power unit module circuit is made up of 12 power unit modules, and every have 4 power unit modules to connect mutually.The power unit module circuit also is connected with controller with the three-phase output transformer respectively, and controller is made up of single chip circuit, industrial control computer and the logic programming controller of interconnection.Its input voltage is 3KV.Each power unit module all uses the charge independence device.
4. 1 kinds of high voltage large power uninterrupted power supplies of embodiment, as shown in Figure 4.Its power unit module circuit is made up of 15 power unit modules, and every have 5 power unit modules to connect mutually.Input voltage is 6KV.All the other are with embodiment 3.Each power unit module all uses the charge independence device.
5. 1 kinds of high voltage large power uninterrupted power supplies of embodiment, as shown in Figure 5.Its power unit module circuit is made up of 21 power unit modules, and every have 7 power unit modules to connect mutually.Input voltage is 10KV.All the other are with embodiment 3.Each power unit module all uses the charge independence device.
Embodiment 1～embodiment 5 is a kind of High Power Factor, no harmonic wave, voltage stability height, efficient height, high voltage large power uninterrupted power supply rational in infrastructure, can be widely used in the uninterrupted power supply of various electrical appliances.
Claims (5)
1. high voltage large power uninterrupted power supply, it is made of shell and the electric wiring that is installed in the shell, it is characterized in that said electric wiring is made of three-phase AC input circuit and the power unit module circuit that is connected with three-phase AC input circuit, power unit module by rectifier, the DC filter capacitors that is connected with rectifier, the IGBT single-phase full-bridge inverter that is connected with DC filter capacitors, be connected in parallel on the batteries on the rectifier output end and form with the charger that three-phase AC input circuit is connected with batteries.
2. according to the described high voltage large power uninterrupted power supply of claim 1, it is characterized in that said three-phase AC input circuit is a three-phase phase-shifting transformer, the power unit module circuit is made up of 6 power unit modules, every have 2 power unit modules to connect mutually, the power unit module circuit also successively is connected with the three-phase output transformer with reactor, and each power unit module all uses the charge independence device.
3. according to the described high voltage large power uninterrupted power supply of claim 1, it is characterized in that said three-phase AC input circuit is a phase shifting transformer, the power unit module circuit is made up of 12 power unit modules, every have 4 power unit modules to connect mutually, the power unit module circuit also is connected with controller with the three-phase output transformer respectively, controller is made up of single chip circuit, industrial control computer and the logic programming controller of interconnection, and each power unit module all uses the charge independence device.
4. according to the described high voltage large power uninterrupted power supply of claim 1, it is characterized in that said three-phase AC input circuit is a phase shifting transformer, the power unit module circuit is made up of 15 power unit modules, every have 5 power unit modules to connect mutually, the power unit module circuit also is connected with controller with the three-phase output transformer respectively, controller is made up of single chip circuit, industrial control computer and the logic programming controller of interconnection, and each power unit module all uses the charge independence device.
5. according to the described high voltage large power uninterrupted power supply of claim 1, it is characterized in that said three-phase AC input circuit is a phase shifting transformer, the power unit module circuit is made up of 21 power unit modules, every have 7 power unit modules to connect mutually, the power unit module circuit also is connected with controller with the three-phase output transformer respectively, controller is made up of single chip circuit, industrial control computer and the logic programming controller of interconnection, and each power unit module all uses the charge independence device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021101949A CN1172417C (en) | 2002-03-21 | 2002-03-21 | High voltage large power uninterrupted power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021101949A CN1172417C (en) | 2002-03-21 | 2002-03-21 | High voltage large power uninterrupted power supply |
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| Publication Number | Publication Date |
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| CN1378322A true CN1378322A (en) | 2002-11-06 |
| CN1172417C CN1172417C (en) | 2004-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021101949A Expired - Fee Related CN1172417C (en) | 2002-03-21 | 2002-03-21 | High voltage large power uninterrupted power supply |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509938B (en) * | 2009-03-31 | 2010-12-01 | 常熟理工学院 | Low voltage high-current harmonic generator based on resonance manner |
| CN102447403A (en) * | 2011-11-09 | 2012-05-09 | 北京工业大学 | Three-phase rectifier circuit with low harmonic wave continuous input current |
| CN102468682A (en) * | 2010-11-05 | 2012-05-23 | 湖南丰日电源电气股份有限公司 | High voltage direct current power supply system for both alternating current purpose and direct current purpose |
| CN101521400B (en) * | 2009-03-20 | 2012-07-04 | 深圳市捷益达电子有限公司 | Modularized UPS power supply |
| CN102570491A (en) * | 2010-12-22 | 2012-07-11 | 歌美飒创新技术公司 | Multilevel power converter or inverter arrangement using h bridges |
| CN106712272A (en) * | 2015-11-18 | 2017-05-24 | 中国移动通信集团设计院有限公司 | Uninterrupted power source system |
| CN109660014A (en) * | 2019-01-10 | 2019-04-19 | 广东志成冠军集团有限公司 | A kind of integrated energy storage type MW class uninterruptible power system |
-
2002
- 2002-03-21 CN CNB021101949A patent/CN1172417C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101521400B (en) * | 2009-03-20 | 2012-07-04 | 深圳市捷益达电子有限公司 | Modularized UPS power supply |
| CN101509938B (en) * | 2009-03-31 | 2010-12-01 | 常熟理工学院 | Low voltage high-current harmonic generator based on resonance manner |
| CN102468682A (en) * | 2010-11-05 | 2012-05-23 | 湖南丰日电源电气股份有限公司 | High voltage direct current power supply system for both alternating current purpose and direct current purpose |
| CN102570491A (en) * | 2010-12-22 | 2012-07-11 | 歌美飒创新技术公司 | Multilevel power converter or inverter arrangement using h bridges |
| CN102447403A (en) * | 2011-11-09 | 2012-05-09 | 北京工业大学 | Three-phase rectifier circuit with low harmonic wave continuous input current |
| CN102447403B (en) * | 2011-11-09 | 2014-02-26 | 北京工业大学 | Three-phase rectifier circuit with low harmonic wave continuous input current |
| CN106712272A (en) * | 2015-11-18 | 2017-05-24 | 中国移动通信集团设计院有限公司 | Uninterrupted power source system |
| CN109660014A (en) * | 2019-01-10 | 2019-04-19 | 广东志成冠军集团有限公司 | A kind of integrated energy storage type MW class uninterruptible power system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1172417C (en) | 2004-10-20 |
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