CN2904465Y - Main circuit topology for double way power supply integrated power - Google Patents
Main circuit topology for double way power supply integrated power Download PDFInfo
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- CN2904465Y CN2904465Y CN 200620113402 CN200620113402U CN2904465Y CN 2904465 Y CN2904465 Y CN 2904465Y CN 200620113402 CN200620113402 CN 200620113402 CN 200620113402 U CN200620113402 U CN 200620113402U CN 2904465 Y CN2904465 Y CN 2904465Y
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Abstract
The utility model discloses a main circuit topology with a double-circuit integrated power supply used in the power supply system to improve the reliability and the quality of power supply, comprising an inverter bridge, a filter and voltage enhancement circuit, a pio controller and a bypass controller. The key point is that at least one rectifying bridge is connected with a smoothing reactance and capacitance circuit, and then with the inverter bridge which is connected with the filter and voltage enhancement circuit and then with the pio controller. The pio controller which has an output terminal is connected with the bypass controller. The utility model can achieve the double-circuit or multi-circuit integrated power supply with a simpler circuit structure and a more flexible control, improving the prevention level of power supply break-off and the voltage sag, reducing the cost to the half of the uninterruptible power supply.
Description
Technical field:
The utility model relates to a kind of power equipment, specifically is meant a kind of main circuit topology that is used to the integrated power supply that supplies power with double circuit of the system of supplying power with double circuit.
Background technology:
Development along with informationization technology, modern society improves day by day to the requirement of power supply quality, the high quality power supply has become the production line that modern society produces, life is smooth, the primary condition of stable development drives based on system controlled by computer, frequency control, these modern societies typical case such as the financial system of Network Basedization using electricity system, even if of short duration power failure or other power quality problems just can cause economic loss difficult to the appraisal.Yet because apparatus factor, management factors and the natural cause that is difficult to resist, other power quality problems such as power failure, voltage dip still serious threat the high-quality power supply.The statistics of U.S.'s DianKeYuan shows: the economic loss that U.S. every year causes because of power quality problem is between 15,000,000,000 to 24,000,000,000 dollars.China's economic development is along with national product, living standard improve constantly, the introduction and the employing of novel automatic production line, networked services system, and the user more and more pays close attention to the quality problems of supply of electric power.Supply of electric power enters the new stage of stressing quality stage and benefit from the quantity in past.The quality of power supply has become the restraining factors of capital introduction, developing industry.Along with joining of China WTO, the development of Chinese production and processing industries, national product, life more are tending towards internationalization, and power supply quality also will be tending towards international standard.Therefore, the research of China's high-quality power supply technique has more urgency and challenge with corresponding product development and application.
The solution of power quality problem is usually relevant with the power quality problem ability to bear of Electric Power Network Planning and operation, equipment, quality of power supply adjusting measure etc.People have carried out many fruitful work in these areas.The general supply power mode of power consumers such as becoming the industrial enterprise of outbalance, municipal administration, commerce and trade, building supplies power with double circuit.When one road power supply breaks down, put into operation in another road, improves the reliability of power supply.Supply power with double circuit at present and switch the main prepared auto restart mode that adopts based on mechanical switch, the only a few occasion adopts the thuristor throw-in and throw-off mode.Mechanical switch exists switching process time-delay big, the problem of very flexible, thuristor throw-in and throw-off mode exist reliability low, easily problems such as phase hit, equipment investment are big take place.Thereby, promoted the reliability of power supply greatly though supply power with double circuit, powerless to the maximum power quality problem of power equipment harm for this class of voltage dip, performance is supplied power with double circuit to promoting the effect of the quality of power supply far away.
Summary of the invention:
Goal of the invention of the present utility model is the main circuit topology that discloses the integrated power supply that supplies power with double circuit of a kind of raising power supply reliability that is used to the system of supplying power with double circuit and power supply quality.
The realization the technical solution of the utility model is as follows: comprise inverter bridge 3, filtering and voltage lifting circuit 4, o controller 5 and bypass controller 6, key is that at least more than one rectifier bridge 1 connects flat ripple reactance and condenser network 2, connect inverter bridge 3 again, inverter bridge 3 connects o controller 5 after connecing filtering and voltage lifting circuit 4 again, o controller 5 connects bypass controller 6, and o controller 5 has output.
Described rectifier bridge 1 is connected with stand-by power supply Va, and bypass controller 6 is connected with main power source Vp.
Described rectifier bridge 1 is two parallel connections, and input is connected with stand-by power supply Va with main power source Vp, and output all is connected with condenser network 2 with flat ripple reactance, and bypass controller 6 is connected with main power source Vp.
Described flat ripple reactance and condenser network 2 connect flat wave capacitor (Cdc) by two identical flat ripple reactance (Ls) and equalizing capacitance (Cav) constitutes, and rectifier bridge 1 is the uncontrollable 6 pulsation diode rectifier bridges of three-phase.
Described inverter bridge 3 is three phase full bridge inverter circuit or the single-phase full bridge inverter circuit based on IGBT.
Described filtering and voltage lifting circuit 4 connect autotransformer (Ta) by filter reactance (Lo) and connect filter capacitor (Co) again.
Described o controller 5 and bypass controller 6 are the bidirectional thyristor switch.
Described equalizing capacitance (Cav) is the high frequency equalizing capacitance, and in parallel with each section flat wave capacitor (Cdc).
Main circuit topology is in the power industry or a common appellation of power electronic technology industry, utilize main circuit topology or the utility model, be equipped with advanced control strategy and auxiliary circuit, then constitute the integrated power supply of realizing two-way or many power supplies, the electric energy of high reliability, high-quality, high standard, high stability is provided for sensitive load.Circuit structure of the present utility model is simple, control flexibly, greatly improved the level of preventing and treating of power failure and voltage dip, the switching of no gap can realize supplying power with double circuit, it is the regeneration product of uninterrupted power supply (ups) Unity, its cost can reduce nearly one times than uninterrupted power supply, and the utility model in fact also can carry out quality adjustment to multiple-way supply.
Description of drawings:
Fig. 1 is the circuit theory diagrams of an embodiment of the present utility model.
Fig. 2 is the circuit theory diagrams of another embodiment of the present utility model.
Embodiment:
See also Fig. 1～2, embodiment of the present utility model is as follows: comprise inverter bridge 3, filtering and voltage lifting circuit 4, o controller 5 and bypass controller 6, key is that at least more than one rectifier bridge 1 connects flat ripple reactance and condenser network 2, connect inverter bridge 3 again, inverter bridge 3 connects o controller 5 after connecing filtering and voltage lifting circuit 4 again, o controller 5 connects bypass controller 6, and o controller 5 has output; After the utility model inserts electrical network and load, double loop power supply (Vp, Va) connects flat ripple reactance and condenser network 2 after rectification, when power failure or voltage dip take place in arbitrary road, the gapless input in another road, obtain the galvanic current pressure through flat ripple reactance and condenser network 2, become interchange through inverter bridge 3 again, behind filtering and voltage lifting circuit 4, give the load power supply by o controller 5, guarantee the continuity and the power supply quality of sensitive load power supply; Because the unilateral conduction of commutating circuit (or rectifier bridge), this topological structure has guaranteed that double loop power supply circulation can not occur; Because the employing of inverter bridge 3 can produce the constant output of voltage, frequency and phase place; Because the employing of filtering and voltage lifting circuit 4 has improved voltage levvl, is easy to connect the load of various forms wiring, has improved the efficient of equipment.
Described rectifier bridge 1 can be the uncontrollable 6 pulsation diode rectifier bridges of three-phase, it is connected with stand-by power supply Va, bypass controller 6 is connected with main power source Vp simultaneously, the input of the quick no phase step the when main circuit topology of this structure can be realized the off-line operation of stand-by power supply Va and main power source Vp fault, its major advantage is that power loss is little, but has switching gap (less than 20ms).
Described rectifier bridge 1 is two (see figure 2)s in parallel, input is connected with stand-by power supply Va with main power source Vp, output all is connected with condenser network 2 with flat ripple reactance, and bypass controller 6 is connected with main power source Vp, and above-mentioned structure can guarantee the gapless switching between power supply.
The utility model both can be used for three phase supply, also can be used for single phase power supply.To three phase supply, select two uncontrollable 6 pulsation diode rectifier bridges of three-phase for use, to single phase power supply, two-way rectifier bridge 1 is selected two single-phase uncontrollable all-wave diode rectifier bridges for use.The definite value of diode is determined according to equipment applied voltage grade and capacity.Flat ripple reactance of the present utility model and condenser network 2 are made of two identical flat ripple reactance (Ls), one group of flat wave capacitor (Cdc) and equalizing capacitance (Cav), silicon steel material is adopted in flat ripple reactive iron, and reactance value is determined by the electric power system capacity of short circuit and the ratio of installed capacity.Flat wave capacitor is connected by alminium electrolytic condenser and is composed in parallel, and capacity is by place capacity and control characteristic decision.Cav is the high frequency equalizing capacitance, with each section flat wave capacitor (Cdc) formation in parallel.The utility model both can be used for threephase load, also can be used for single-phase load, and to threephase load, inverter bridge 3 is selected the three phase full bridge inverter circuit based on IGBT for use, and to single-phase load, inverter bridge 3 is selected the single-phase full bridge inverter circuit based on IGBT for use.The definite value of IGBT is determined according to equipment applied voltage grade and capacity.
Output filtering of the present utility model and voltage lifting circuit 4 are made of filter reactance (Lo), autotransformer (Ta) and filter capacitor (Co); The filter reactance alloy material that adopts unshakable in one's determination.The autotransformer core material adopts silicon steel sheet, and voltage promotes than being chosen as 1.5.Filter capacitor adopts ac capacitor.The definite value of filter reactance and filter capacitor is by the switching frequency decision of applied voltage, place capacity, inverter bridge 3.
O controller 5 of the present utility model and bypass controller 6 are the bidirectional thyristor switch, realize the switching between integrated power supply and mains-supplied.The Capacity Selection of o controller 5 can be approaching with load, and the Capacity Selection of bypass controller 6 is according to the character decision of load.
The utility model utilizes that the seamless switching between the power supply of realizing in parallel extends to the multiple-way supply pattern behind the AC rectification.
The utility model is simple in structure, reliability is high, loss is low, constitutes supply unit in conjunction with control device and auxiliary circuit.To single time power supply reliability is 99.9% electric power system, can rise to 99.9999%, on average occurs 10 times falling temporarily of harm arranged single time power supply is annual, can reduce to 3 years and take place once.In addition, functions such as interference filtering, power supply are selected automatically because the device of realizing according to the utility model has, voltage close loop adjusting can effectively be improved the power utilization environment of load, improve power factor, minimizing is regulated distribution voltage to the impact of electrical network, reduces effects such as distribution loss.Thereby reliability, the quality of power supply and the confession power utilization environment that will give electric power system applied of the present utility model brings great change, for significant contribution is made in the raising of China and even world's power consumer power supply quality.
Claims (10)
1. the main circuit topology of the integrated power supply that is used to supply power with double circuit, comprise inverter bridge (3), filtering and voltage lifting circuit (4), o controller (5) and bypass controller (6), it is characterized in that at least one rectifier bridge (1) connects flat ripple reactance and condenser network (2), connect inverter bridge (3) again, inverter bridge (3) connects o controller (5) after connecing filtering and voltage lifting circuit (4) again, o controller (5) connects bypass controller (6), and o controller (5) has output.
2. by the main circuit topology of the described integrated power supply that is used to supply power with double circuit of claim 1, it is characterized in that described rectifier bridge (1) is connected with stand-by power supply Va, bypass controller (6) is connected with main power source Vp.
3. by the main circuit topology of the described integrated power supply that is used to supply power with double circuit of claim 1, it is characterized in that described rectifier bridge (1) is two parallel connections, input is connected with stand-by power supply Va with main power source Vp, output all is connected with condenser network (2) with flat ripple reactance, and bypass controller (6) is connected with main power source Vp.
4. by the main circuit topology of claim 2 or the 3 described integrated power supplies that are used to supply power with double circuit, it is characterized in that described flat ripple reactance and condenser network (2) connect flat wave capacitor (Cdc) by two identical flat ripple reactance (Ls) and equalizing capacitance (Cay) constitutes, rectifier bridge (1) is the uncontrollable 6 pulsation diode rectifier bridges of three-phase.
5. by the main circuit topology of the described integrated power supply that is used to supply power with double circuit of claim 4, it is characterized in that described inverter bridge (3) is three phase full bridge inverter circuit or single-phase full bridge inverter circuit based on IGBT.
6. by the main circuit topology of the described integrated power supply that is used to supply power with double circuit of claim 5, it is characterized in that described filtering and voltage lifting circuit (4) connect autotransformer (Ta) by filter reactance (Lo) and connect filter capacitor (Co) again.
7. by the main circuit topology of claim 5 or the 6 described integrated power supplies that are used to supply power with double circuit, it is characterized in that described filtering and voltage lifting circuit (4) connect autotransformer (Ta) by filter reactance (Lo) and connect filter capacitor (Co) again.
8. by the main circuit topology of the described integrated power supply that is used to supply power with double circuit of claim 7, it is characterized in that described o controller (5) and bypass controller (6) are the bidirectional thyristor switch.
9. by the main circuit topology of the described integrated power supply that is used to supply power with double circuit of claim 8, it is characterized in that described o controller (5) and bypass controller (6) are the bidirectional thyristor switch.
10. by the main circuit topology of claim 8 or the 9 described integrated power supplies that are used to supply power with double circuit, it is characterized in that described equalizing capacitance (Cav) is the high frequency equalizing capacitance, and in parallel with each section flat wave capacitor (Cdc).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620113402 CN2904465Y (en) | 2006-04-29 | 2006-04-29 | Main circuit topology for double way power supply integrated power |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200620113402 CN2904465Y (en) | 2006-04-29 | 2006-04-29 | Main circuit topology for double way power supply integrated power |
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| CN2904465Y true CN2904465Y (en) | 2007-05-23 |
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| CN 200620113402 Expired - Fee Related CN2904465Y (en) | 2006-04-29 | 2006-04-29 | Main circuit topology for double way power supply integrated power |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101960692A (en) * | 2008-02-07 | 2011-01-26 | 美国能量变换公司 | Systems and methods for uninterruptible power supply control |
| CN102005938A (en) * | 2010-08-25 | 2011-04-06 | 力博特公司 | Control method of bridge arm in UPS (uninterruptible power supply) in case of zero-crossing operation |
| CN102185329A (en) * | 2011-05-04 | 2011-09-14 | 华北电力大学 | Super-capacitor-based DC voltage sag suppression device and suppression method thereof |
| CN103296908A (en) * | 2012-03-02 | 2013-09-11 | 台达电子企业管理（上海）有限公司 | Multilevel inverter and active power filter |
| CN103545808A (en) * | 2013-10-30 | 2014-01-29 | 辽宁工程技术大学 | Flexible switching matching device of power system |
| WO2016090930A1 (en) * | 2014-12-11 | 2016-06-16 | 华为技术有限公司 | Uninterruptible power system |
| CN107404110A (en) * | 2017-07-13 | 2017-11-28 | 成都麦隆电气有限公司 | A kind of non-isolated energy storage three-phase off-network inversion electric power system |
| CN109103891A (en) * | 2018-10-30 | 2018-12-28 | 广州供电局有限公司 | Voltage dip governing system and voltage dip compensating control method, device |
| CN109193559A (en) * | 2018-10-30 | 2019-01-11 | 广州供电局有限公司 | Power supply fast switching system, method for handover control and device |
-
2006
- 2006-04-29 CN CN 200620113402 patent/CN2904465Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101960692A (en) * | 2008-02-07 | 2011-01-26 | 美国能量变换公司 | Systems and methods for uninterruptible power supply control |
| CN101960692B (en) * | 2008-02-07 | 2014-08-13 | 施耐德电气公司 | Systems and methods for uninterruptible power supply control |
| CN102005938A (en) * | 2010-08-25 | 2011-04-06 | 力博特公司 | Control method of bridge arm in UPS (uninterruptible power supply) in case of zero-crossing operation |
| CN102005938B (en) * | 2010-08-25 | 2013-01-30 | 力博特公司 | Control method of bridge arm in UPS (uninterruptible power supply) in case of zero-crossing operation |
| CN102185329A (en) * | 2011-05-04 | 2011-09-14 | 华北电力大学 | Super-capacitor-based DC voltage sag suppression device and suppression method thereof |
| CN103296908A (en) * | 2012-03-02 | 2013-09-11 | 台达电子企业管理（上海）有限公司 | Multilevel inverter and active power filter |
| CN103545808A (en) * | 2013-10-30 | 2014-01-29 | 辽宁工程技术大学 | Flexible switching matching device of power system |
| WO2016090930A1 (en) * | 2014-12-11 | 2016-06-16 | 华为技术有限公司 | Uninterruptible power system |
| US10014719B2 (en) | 2014-12-11 | 2018-07-03 | Huawei Technologies Co., Ltd. | Uninterruptible power system |
| CN107404110A (en) * | 2017-07-13 | 2017-11-28 | 成都麦隆电气有限公司 | A kind of non-isolated energy storage three-phase off-network inversion electric power system |
| CN109103891A (en) * | 2018-10-30 | 2018-12-28 | 广州供电局有限公司 | Voltage dip governing system and voltage dip compensating control method, device |
| CN109193559A (en) * | 2018-10-30 | 2019-01-11 | 广州供电局有限公司 | Power supply fast switching system, method for handover control and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Boyuan Puwo Technology Development Co., Ltd. Assignor: North China Electric Power University Contract fulfillment period: 2007.6.10 to 2012.6.9 Contract record no.: 2008110000157 Denomination of utility model: Main circuit topology for double way power supply integrated power Granted publication date: 20070523 License type: Exclusive license Record date: 20081204 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.6.10 TO 2012.6.9; CHANGE OF CONTRACT Name of requester: BEIJING BOYUANPUWO SCIENCE DEVELOPMENT CO., LTD. Effective date: 20081204 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070523 Termination date: 20100429 |