CN103368249B - The system and method that a kind of uninterrupted power supply is powered - Google Patents
The system and method that a kind of uninterrupted power supply is powered Download PDFInfo
- Publication number
- CN103368249B CN103368249B CN201210082627.7A CN201210082627A CN103368249B CN 103368249 B CN103368249 B CN 103368249B CN 201210082627 A CN201210082627 A CN 201210082627A CN 103368249 B CN103368249 B CN 103368249B
- Authority
- CN
- China
- Prior art keywords
- direct current
- current
- power supply
- alternating
- voltage direct
- 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.)
- Active
Links
Abstract
This application provides the system and method that a kind of uninterrupted power supply is powered, wherein said system, comprising: DC power supply connects direct current distributor circuit and alternating current distributor circuit; Direct current distributor circuit connects rated voltage direct current output circuit by rated voltage direct current generative circuit; Alternating current distributor circuit connects rated voltage alternating current output circuit by rated voltage alternating current generative circuit.The application can improve energy conversion efficiency, reduces power supply unit Single Point of Faliure, and reduces the low loss caused of device power supply (DPS) load factor.
Description
Technical field
The application relates to the technical field that machine room is powered, and particularly relates to the system that a kind of uninterrupted power supply is powered, and, a kind of method that uninterrupted power supply is powered.
Background technology
Along with the development of information technology, information technoloy equipment power consumption is more and more higher, improves information technoloy equipment power consumption efficiency and seems more important than ever.But traditional IT machine room adopts ups system (uninterruptiblepowersupply/ uninterrupted power supply) power supply plan, electric energy needs from the conversion of civil power through ups system, again through the conversion of information technoloy equipment power supply, finally convert information technoloy equipment power inside to, namely through two-stage conversion, together with all have passed through with information technoloy equipment inside at ups system, input power is converted to fixed voltage galvanic process.Specifically can the UPS power supply plan that adopts of the traditional machine room shown in reference diagram 1:
1, when civil power input ups system is converted to the first busbar voltage direct current by the first transformer rectifier circuit;
2, described first busbar voltage direct current can supply the charge in batteries in ups system, and transmission downwards exports through the alternating current that direct current transformation circuit conversion is 220V;
3, the voltage using the information technoloy equipment of alternating current directly to use ups system to export, and after using galvanic information technoloy equipment to need the second external transformer rectifier circuit to convert 220V alternating current to second busbar voltage direct current, described second busbar voltage direct current is converted to 12V direct current again by the second direct current transformation circuit, could for the IT DC installation of rear end and the inner DC installation of IT.Mainly there is the problem of the following aspects in the scheme that this existing employing ups system is powered:
(1) energy conversion efficiency is low.When powering to the galvanic information technoloy equipment of use, civil power needs just to power into equipment after UPS and information technoloy equipment power supply two-stage change, and most utilization rate of electrical is lower than 80%.
(2) Single Point of Faliure problem.Because ups system adopts concentration supply power, unified equipment is to the back-end powered, once UPS breaks down, by cause rear end with all devices face power-off.
(3) problem that information technoloy equipment power utilization rate is low, loss is large.Current information technoloy equipment mostly adopts self-powered mode, and the mode that the power supply of every platform information technoloy equipment is all multiplied by coefficient of safety according to equipment maximum load designs, and so just causes the situation that information technoloy equipment power supply integrated load rate is lower.Load factor is low, can cause the problem that power-supply device investment increases and energy conversion efficiency is low.
Therefore, current those skilled in the art problem in the urgent need to address is: a kind of a kind of method providing rack uninterrupted power supply electric power system and rack uninterrupted power supply, in order to improve energy conversion efficiency, reduce power supply unit Single Point of Faliure, and reduce the low loss caused of device power supply (DPS) load factor.
Summary of the invention
Technical problems to be solved in this application are to provide system that a kind of uninterrupted power supply powers and a kind of method that uninterrupted power supply is powered, and in order to improve energy conversion efficiency, reduce power supply unit Single Point of Faliure, and reduce the low loss caused of information technoloy equipment power source loads rate.
In order to solve the problem, this application discloses the system that a kind of uninterrupted power supply is powered, specifically can comprise:
DC power supply, for providing direct current;
Direct current distributor circuit, for distributing to rated voltage alternating current generative circuit and rated voltage direct current generative circuit by described direct current;
Alternating current distributor circuit, for when described alternating-current power supply is normal, distributes to rated voltage alternating current generative circuit and rated voltage direct current generative circuit by alternating current;
Rated voltage direct current generative circuit, for received alternating current or direct current are first converted to the first busbar voltage direct current, be converted to the first rated voltage direct current again, and when described alternating-current power supply is normal, the first busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
Rated voltage alternating current generative circuit, for received alternating current or direct current are first converted to the second busbar voltage direct current, be converted to the second rated voltage alternating current again, and when described alternating-current power supply is normal, the second busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
Rated voltage direct current output circuit, for exporting described first rated voltage direct current to direct-flow electricity utilization apparatus;
Rated voltage alternating current output circuit, for exporting described second rated voltage alternating current to AC electric equipment.
Preferably, described rated voltage direct current generative circuit is provided with at least two, and described system can also comprise:
Supervising device, for monitoring rated voltage direct current generative circuit job information, obtains practical power Rate of average load, and according to the rated voltage direct current generative circuit of described practical power Rate of average load gating respective amount.
Preferably, described rated voltage direct current generative circuit can comprise:
Circuit is propped up in first power factor correction, for received alternating current is converted to the first busbar voltage direct current;
First transformation props up circuit, for received direct current is converted to the first busbar voltage direct current, and when alternating-current power supply is normal, the first busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
Direct current transformation props up circuit, for converting described first busbar voltage direct current to first rated voltage direct current; Wherein, described first busbar voltage is higher than the first rated voltage.
Preferably, described first power factor correction is propped up circuit and can be comprised:
First filter unit: for carrying out filtering to received alternating current;
First rectification unit: for the described AC rectification through filtering is converted to the first busbar voltage direct current.
Preferably, described rated voltage alternating current generative circuit can comprise:
Circuit is propped up in second power factor correction, for received alternating current is converted to the second busbar voltage direct current;
Second transformation props up circuit, for received direct current is converted to the second busbar voltage direct current, and when alternating-current power supply is normal, the second busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
Ac converter props up circuit, for converting described second busbar voltage direct current to second rated voltage alternating current; Wherein, described second busbar voltage is higher than the second rated voltage.
Preferably, described second power factor correction is propped up circuit and can be comprised:
Second filter unit: for carrying out filtering to received alternating current;
Second rectification unit: for the described AC rectification through filtering is converted to the second busbar voltage direct current.
Preferably, described system, can also comprise:
Switch logic device, triggers described alternating current distributor circuit during for having no progeny in alternating-current power supply and restoring electricity, and switches the first busbar voltage direct current in described DC power supply path and the second busbar voltage direct current is hot stand-by duty; For triggering described direct current distributor circuit when alternating-current power supply interrupts, and start the first busbar voltage direct current and the second busbar voltage direct current that export DC power supply path.
Preferably, the voltage of described alternating-current power supply is 220V or 380V; The voltage of described DC power supply is 240V; Described first busbar voltage and the second busbar voltage are 400V; Described first rated voltage is 12V; Described second rated voltage is 220V.
The application provides a kind of method that uninterrupted power supply is powered simultaneously, specifically can comprise:
DC power supply is set, direct current is provided;
When alternating-current power supply is normal, conducting alternating-current power supply;
Received alternating current or direct current are first converted to the first busbar voltage direct current, then are converted to the first rated voltage direct current, and when alternating-current power supply is normal, the first busbar voltage direct current in described DC power supply path switches to hot stand-by duty;
Received alternating current or direct current are first converted to the second busbar voltage direct current, then are converted to the alternating current of the second rated voltage, and when alternating-current power supply is normal, the second busbar voltage direct current in described DC power supply path switches to hot stand-by duty;
Export described first rated voltage direct current to direct-flow electricity utilization apparatus;
Export described second rated voltage alternating current to AC electric equipment.
Preferably, described received alternating current or direct current are first converted to the first busbar voltage direct current, the more galvanic step being converted to the first rated voltage can comprise:
Received alternating current is converted to the first busbar voltage direct current;
Received direct current is converted to the first busbar voltage direct current, and when described alternating-current power supply is normal, switches to hot stand-by duty;
Convert described first busbar voltage direct current to first rated voltage direct current; Wherein, described first busbar voltage is higher than the first rated voltage.
Preferably, the described galvanic step of the first busbar voltage that is converted to by received alternating current may further include:
Filtering is carried out to received alternating current;
The described AC rectification through filtering is converted to the first busbar voltage direct current.
Preferably, described received alternating current or direct current are first converted to the second busbar voltage direct current, then the step of the alternating current being converted to the second rated voltage can comprise:
Received alternating current is converted to the second busbar voltage direct current;
Received direct current is converted to the second busbar voltage direct current, and when described alternating-current power supply is normal, switches to hot stand-by duty;
Convert described second busbar voltage direct current to second rated voltage alternating current; Wherein, described second busbar voltage is higher than the second rated voltage.
Preferably, the described galvanic step of the second busbar voltage that is converted to by received alternating current may further include:
Filtering is carried out to received alternating current;
The described AC rectification through filtering is converted to the second busbar voltage direct current.
Preferably, described method, when alternating-current power supply is normal, before conducting alternating-current power supply, can also comprise:
Have no progeny when restoring electricity in alternating-current power supply, the first busbar voltage direct current and the second busbar voltage direct current that switch DC power supply path are hot stand-by duty; When alternating-current power supply interrupts, start the first busbar voltage direct current and the second busbar voltage direct current that export described hot stand-by duty DC power supply path.
Compared with prior art, the application has the following advantages:
The application provides a kind of rack uninterrupted power supply electric power system.When alternating current is normal, alternating current is converted to 12V direct current through alternating current distributor circuit input rated voltage direct current generative circuit and powers to DC installation; Alternating current is also converted to 220V alternating current through alternating current distributor circuit input rated voltage alternating current generative circuit and powers to alternating-current installation/AC installation.Achieved by one-level conversion and convert alternating current to 12V direct current, be directly supplied to DC installation and use, decrease the flow process of alternating current conversion, improve energy conversion efficiency.
When alternating current interrupts, powered to specified voltage dc generative circuit and rated voltage alternating current generative circuit through direct current distributor circuit by storage battery, finally realize the uninterrupted power supply of alternating current equipment and DC equipment to the back-end.
The application also utilizes supervising device to obtain practical power Rate of average load, and according to the rated voltage direct current generative circuit of described practical power Rate of average load gating respective amount, load factor is regulated and controled, ensures that power supply operates in optimum load region, thus reduce electric energy loss.
Accompanying drawing explanation
Fig. 1 is the ups system power supply plan schematic diagram that traditional machine room adopts;
Fig. 2 is the structured flowchart of the system embodiment 1 that a kind of uninterrupted power supply of the application is powered;
Fig. 3 is the structured flowchart of the system embodiment 2 that a kind of uninterrupted power supply of the application is powered;
Fig. 4 is the flow chart of the embodiment of the method 1 that a kind of uninterrupted power supply of the application is powered;
Fig. 5 is the flow chart of the embodiment of the method 2 that a kind of uninterrupted power supply of the application is powered.
Embodiment
For enabling above-mentioned purpose, the feature and advantage of the application more become apparent, below in conjunction with the drawings and specific embodiments, the application is described in further detail.
One of core idea of the embodiment of the present application is, the application provides a kind of rack uninterrupted power supply electric power system.When alternating current is normal, alternating current is converted to 12V direct current through alternating current distributor circuit input rated voltage direct current generative circuit and powers to DC installation; Alternating current is also converted to 220V alternating current through alternating current distributor circuit input rated voltage alternating current generative circuit and powers to alternating-current installation/AC installation.Achieved by one-level conversion and convert alternating current to 12V direct current, be directly supplied to DC installation and use, decrease the flow process of alternating current conversion, improve energy conversion efficiency.
With reference to Fig. 2, show the structured flowchart of the system embodiment 1 that a kind of uninterrupted power supply of the application is powered, specifically can comprise:
DC power supply 201, for providing direct current;
In specific implementation, the DC power supply of system is provided by external batteries, and during initial installation, charger is battery charging, is full of is in floating charge state to battery pack.Battery charger and alternating current distributor circuit is distributed to respectively when alternating-current power supply is normal.When alternating current fault, provide direct current by batteries, finally realize uninterrupted power supply.After alternating current recovers, charger also recovers battery charging.
Direct current distributor circuit 202, for distributing to rated voltage alternating current generative circuit and rated voltage direct current generative circuit by described direct current;
Alternating current distributor circuit 203, for when described alternating-current power supply is normal, distributes to rated voltage alternating current generative circuit and rated voltage direct current generative circuit by alternating current;
Rated voltage direct current generative circuit 204, for received alternating current or direct current are first converted to the first busbar voltage direct current, be converted to the first rated voltage direct current again, and when described alternating-current power supply is normal, the first busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
In specific implementation, the direct current transformation that batteries provides by rated voltage direct current generative circuit is always the first busbar voltage direct current; And when alternating-current power supply is normal, ensure that direct current transformation is switch to hot stand-by duty after the first busbar voltage direct current.Therefore the first busbar voltage direct current in DC power supply path, when AC power is normal, does not export to circuit rear end; Again when AC power failure, can conducting export to power supply rear end at any time; Ensure that rear end rated voltage direct current is in stable uninterrupted output state always.
And in rated voltage direct current generative circuit, when first busbar voltage direct current exports to power supply rear end, further transformation is 12V DC power supply, directly can be supplied to IT direct-flow electricity utilization apparatus and the inner direct-flow electricity utilization apparatus use of IT, not need external potential device.
In a preferred embodiment of the present application, described rated voltage direct current generative circuit 204 specifically can comprise following circuit:
Circuit is propped up in first power factor correction, for received alternating current is converted to the first busbar voltage direct current;
In a preferred embodiment of the present application, described first power factor correction is propped up circuit and can be comprised with lower unit further:
First filter unit: for carrying out filtering to received alternating current;
First rectification unit: for the described AC rectification through filtering is converted to the first busbar voltage direct current.
In specific implementation, circuit is propped up in the first power factor correction can be corrected to sinusoidal current by distortion current, and makes it and voltage in phase, thus makes power factor close to 1.Improve power factor for reduction energy resource consumption, improve distribution system efficiency.As: direct current 220V alternating current being converted to 400V, and adjust galvanic waveform, reach and improve power factor for reduction energy resource consumption, improve the object of distribution system efficiency.
First transformation props up circuit, for received direct current is converted to the first busbar voltage direct current, and when alternating-current power supply is normal, the first busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
In specific implementation, the first transformation props up main circuit will be converted to the first busbar voltage direct current by received direct current.And when alternating current is normal, the first busbar voltage direct current in this circuit is in hot stand-by duty.As: the DC voltage that storage battery provides is 240V, props up to become voltage to be the direct current of 400V after circuit conversion through the first transformation.And when alternating current is normal, in this circuit, the direct voltage of 400V is in hot stand-by duty.
Direct current transformation props up circuit, for converting described first busbar voltage direct current to first rated voltage direct current; Wherein, described first busbar voltage is higher than the first rated voltage.
In specific implementation, propping up circuit by direct current transformation can be that the direct current of 400V converts the direct current that the first rated voltage is 12V to by the first busbar voltage.
Rated voltage alternating current generative circuit 205, for received alternating current or direct current are first converted to the second busbar voltage direct current, be converted to the second rated voltage alternating current again, and when described alternating-current power supply is normal, the second busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
In specific implementation, the direct current transformation that batteries provides by rated voltage alternating current generative circuit is always the second busbar voltage direct current; And when alternating-current power supply is normal, ensure that direct current transformation is switch to hot stand-by duty after the second busbar voltage direct current.Therefore the second busbar voltage direct current in DC power supply path, when AC power is normal, does not export to circuit rear end; Again when AC power failure, can conducting export to power supply rear end at any time; Ensure that rear end rated voltage alternating current is in stable uninterrupted output state always.
In a preferred embodiment of the present application, described rated voltage alternating current generative circuit 206 specifically can comprise following circuit:
Circuit is propped up in second power factor correction, for received alternating current is converted to the second busbar voltage direct current;
In a preferred embodiment of the present application, described second power factor correction is propped up circuit and can be comprised with lower unit further:
Second filter unit: for carrying out filtering to received alternating current;
Second rectification unit: for the described AC rectification through filtering is converted to the second busbar voltage direct current.
In specific implementation, the direct current that 220V alternating current is converted to 400V by circuit is propped up in the second power factor correction, and adjusts galvanic waveform, reaches and improves power factor for reduction energy resource consumption, improve distribution system efficiency object.
Second transformation props up circuit, for received direct current is converted to the second busbar voltage direct current, and when alternating-current power supply is normal, the second busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
In specific implementation, the second transformation props up main circuit will be converted to the second busbar voltage direct current by received direct current.And when alternating current is normal, the second busbar voltage direct current in this circuit is in hot stand-by duty.As: the DC voltage that batteries provides is 240V, props up to become busbar voltage to be the direct current of 400V after circuit conversion through the second transformation.And when alternating current is normal, the direct current of the 400V in this circuit is in hot stand-by duty.
Ac converter props up circuit, for converting described second busbar voltage direct current to second rated voltage alternating current; Wherein, described second busbar voltage is higher than the second rated voltage.
In specific implementation, it is that the DC inverter of 400V is converted to the alternating current that the second rated voltage is 220V by busbar voltage that ac converter props up circuit.
Rated voltage direct current output circuit 206, for exporting the direct current of described first rated voltage to direct-flow electricity utilization apparatus;
Rated voltage alternating current output circuit 207, for exporting the alternating current of described second rated voltage to AC electric equipment.
In a kind of preferred embodiment of the application, the voltage of described alternating-current power supply can be 220V or 380V; The voltage of described DC power supply can be 240V; Described first busbar voltage and the second busbar voltage can be 400V; Described first rated voltage can be 12V; Described second rated voltage can be 220V.
In specific implementation, the first busbar voltage and the second busbar voltage are generally about 400V; According to the change of application and environment, the concrete numerical value of voltage also can make corresponding adjustment.
Conveniently those skilled in the art understand the application better, below with reference to Fig. 2, illustrate further the application by a complete example:
1, alternating current supply is in normal condition, and civil power provides the alternating current of 220V; DC power supply provides 240V direct current.
2,220V alternating current is supplied to rated voltage alternating current generative circuit and rated voltage direct current generative circuit by alternating current distributor circuit respectively; 240V direct current is supplied to rated voltage alternating current generative circuit and rated voltage direct current generative circuit by direct current distributor circuit respectively.
3, in rated voltage direct current generative circuit, the first power factor correction is propped up circuit and 220V alternating current is done filter rectification and transformation process, converts 400V direct current to, and then direct current transformation props up circuit and does transformation process to 400V direct current, converts 12V direct current to.In rated voltage direct current generative circuit, the first transformation is propped up circuit and 240V direct current is done transformation process, and also temporarily not exporting to direct current transformation props up circuit to convert 400V direct current to, and is in hot stand-by duty.
4, in rated voltage alternating current generative circuit, the second power factor correction is propped up circuit and 220V alternating current is done filter rectification and transformation process, convert 400V direct current to, then ac converter props up circuit and does inversion and transformation process to 400V direct current, converts 220V alternating current to.In rated voltage alternating current generative circuit, the second transformation is propped up circuit and 240V direct current is done transformation process, and also temporarily not exporting to ac converter props up circuit to convert 400V direct current to, and is in hot stand-by duty.
5, rated voltage direct current output circuit is by 12V direct current supply back end DC power consumption equipment; Rated voltage alternating current output circuit is by 220V alternating current supply rear end AC electric equipment.
6, when alternating current supply discontinuity, immediately the first transformation at rated voltage direct current generative circuit is propped up in circuit the 400V direct current being in hot stand-by duty to export to direct current transformation and prop up circuit, then direct current transformation props up circuit and does transformation process to 400V direct current, converts 12V direct current to;
7, when alternating current supply discontinuity, immediately the second transformation at rated voltage alternating current generative circuit is propped up in circuit the 400V direct current being in hot stand-by duty to export to direct current transformation and prop up circuit, then ac converter props up circuit and does inversion and transformation process to 400V direct current, converts 220V alternating current to;
8, rated voltage direct current output circuit is by 12V direct current supply back end DC power consumption equipment; Rated voltage alternating current output circuit is by 220V alternating current supply rear end AC electric equipment.
With reference to Fig. 3, show the structured flowchart of the system embodiment 2 that a kind of uninterrupted power supply of the application is powered, specifically can comprise:
DC power supply 301, for providing direct current;
Direct current distributor circuit 302, for distributing to rated voltage alternating current generative circuit and rated voltage direct current generative circuit by direct current;
Switch logic device 303, triggers described alternating current distributor circuit during for having no progeny and restore electricity in described alternating-current power supply, and switches the first busbar voltage direct current in DC power supply path and the second busbar voltage direct current is hot stand-by duty; For triggering described direct current distributor circuit when described alternating-current power supply interrupts, and start the first busbar voltage direct current and the second busbar voltage direct current in the DC power supply path exporting described hot stand-by duty;
Alternating current distributor circuit 304, for when described alternating-current power supply is normal, distributes to rated voltage alternating current generative circuit and rated voltage direct current generative circuit by alternating-current power supply;
Rated voltage direct current generative circuit 305, for received alternating current or direct current are first converted to busbar voltage direct current, be converted to the first rated voltage direct current again, and when described alternating-current power supply is normal, the busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
In a preferred embodiment of the present application, described rated voltage direct current generative circuit 204 specifically can comprise following circuit:
Circuit is propped up in first power factor correction, for received alternating current is converted to the first busbar voltage direct current;
In a preferred embodiment of the present application, described first power factor correction is propped up circuit and can be comprised with lower unit further:
First filter unit: for carrying out filtering to received alternating current;
First rectification unit: for the described AC rectification through filtering is converted to the first busbar voltage direct current.
First transformation props up circuit, for received direct current is converted to the first busbar voltage direct current, and when alternating-current power supply is normal, the first busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
Direct current transformation props up circuit, for described first busbar voltage direct current being converted to the direct current of the first rated voltage; Wherein, described first busbar voltage is higher than the first rated voltage.
Supervising device 306, for monitoring rated voltage direct current generative circuit job information, obtains practical power Rate of average load, and according to the rated voltage direct current generative circuit of described practical power Rate of average load gating respective amount.
In specific implementation, direct current distributor circuit, alternating current distributor circuit, rated voltage direct current generative circuit, rated voltage alternating current generative circuit, rated voltage direct current output circuit and rated voltage alternating current output circuit can sensor installations, and described transducer connects monitoring outlay; Transducer can obtain each circuit working state, temperature, the information such as power.When monitoring practical power Rate of average load and being too low, by the mode of the rated voltage direct current generative circuit of gating respective amount, power supply Rate of average load is regulated and controled, ensure that power supply operates in optimum load region, thus reduce electric energy loss.As: be 30% to 80% between optimum load region, if power supply Rate of average load lower than 30% time, then reduce the rated voltage direct current generative circuit quantity of work, improve power supply Rate of average load; If power supply Rate of average load higher than 80% time, then increase the rated voltage direct current generative circuit quantity of work, reduce power supply Rate of average load; Power supply Rate of average load is remained in the optimal load interval of power supply Rate of average load 30% to 80%.
Rated voltage alternating current generative circuit 307, for received alternating current or direct current are first converted to busbar voltage direct current, be converted to the second rated voltage alternating current again, and when described alternating-current power supply is normal, the busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
In a preferred embodiment of the present application, described rated voltage alternating current generative circuit 206 specifically can comprise following circuit:
Circuit is propped up in second power factor correction, for received alternating current is converted to the second busbar voltage direct current;
In a preferred embodiment of the present application, described second power factor correction is propped up circuit and can be comprised with lower unit further:
Second filter unit: for carrying out filtering to received alternating current;
Second rectification unit: for the described AC rectification through filtering is converted to the second busbar voltage direct current.
Second transformation props up circuit, for received direct current is converted to the second busbar voltage direct current, and when alternating-current power supply is normal, the second busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
Ac converter props up circuit, for described second busbar voltage direct current being converted to the direct current of the second rated voltage; Wherein, described second busbar voltage is higher than the second rated voltage.
Rated voltage direct current output circuit 308, for exporting described first rated voltage direct current to direct-flow electricity utilization apparatus;
Rated voltage alternating current output circuit 309, for exporting described second rated voltage alternating current to AC electric equipment.
In a kind of preferred embodiment of the application, the voltage of described alternating-current power supply can be 220V or 380V; The voltage of described DC power supply can be 240V; Described first busbar voltage can be 400V; Described second busbar voltage can be 400V; Described first rated voltage can be 12V; Described second rated voltage can be 220V.
Conveniently those skilled in the art understand the application better, below with reference to Fig. 3, illustrate further the application by a complete example:
1, when alternating current interrupts time, use batteries to serve as DC power supply and power, the direct current of 240V is provided;
2, the connection of batteries described in the conducting of direct current distributor circuit and rated voltage alternating current generative circuit and rated voltage direct current generative circuit;
3, in rated voltage direct current generative circuit, the first transformation is propped up circuit and 240V direct current is done transformation process, converts 400V direct current to, and then direct current transformation props up circuit and does transformation process to 400V direct current, converts 12V direct current to;
4, in rated voltage direct current generative circuit, the second transformation is propped up circuit and 240V direct current is done transformation process, converts 400V direct current to, and then ac converter props up circuit and does inversion and transformation process to 400V direct current, converts 220V alternating current to;
5, rated voltage direct current output circuit is by 12V direct current supply back end DC power consumption equipment; Rated voltage direct current output circuit is by 220V alternating current supply rear end AC electric equipment.
6, when alternating-current power supply recovers normal power supply, switching logic circuit triggers alternating current distributor circuit, again makes alternating current distributor circuit be in normal operating conditions; And the 400V direct current in DC power supply path is switched to hot stand-by duty.
7, alternating current distributor circuit receives the alternating current of 220V/380V, and 220V/380V alternating current is distributed to rated voltage alternating current generative circuit and rated voltage direct current generative circuit.
8, rated voltage direct current generative circuit, receives 220V/380V alternating current, props up circuit and do filter rectification and transformation process to 220V/380V alternating current, convert 400V direct current to through the first power factor correction; Prop up circuit through direct current transformation and transformation process is done to 400V direct current, convert 12V direct current to; At this time, the first transformation is propped up after circuit converts 240V direct current to 400V direct current and is in hot stand-by duty, does not prop up circuit export to direct current transformation.
9, current have 6 rated voltage direct current generative circuits in parallel, wherein has 4 in work.At this moment, it is 27% that supervising device monitors current practical power Rate of average load from the numerical value that transducer obtains, between the load region of the optimum lower than 30% to 80%.So select closedown 2 rated voltage direct current generative circuits, power supply Rate of average load is brought up in the load region of the optimum of 30% to 80%.
10, rated voltage alternating current generative circuit, receives 220V/380V alternating current, props up circuit and do filter rectification and transformation process to 220V/380V alternating current, convert 400V direct current to through the second power factor correction; Prop up circuit through ac converter and inversion and transformation process are done to 400V direct current, convert 220V direct current to; At this time, the second transformation is propped up after circuit converts 240V direct current to 400V direct current and is in hot stand-by duty, does not prop up circuit export to ac converter.
11, rated voltage direct current output circuit is by 12V direct current supply back end DC power consumption equipment; Rated voltage alternating current output circuit is by 220V alternating current supply rear end AC electric equipment.
It should be noted that, for system embodiment, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the application is not by the restriction of described sequence of movement, because according to the application, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action might not be that the application is necessary.
With reference to Fig. 4, show the flow chart of the embodiment of the method 1 that a kind of uninterrupted power supply of the application is powered, specifically can comprise:
Step 401, DC power supply is set, direct current is provided;
Step 402, when alternating-current power supply is normal, conducting alternating-current power supply;
Step 403, received alternating current or direct current are first converted to the first busbar voltage direct current, then are converted to the first rated voltage direct current, and when alternating-current power supply is normal, the busbar voltage direct current in described DC power supply path switches to hot stand-by duty;
In a preferred embodiment of the present application, described step 403 specifically can comprise following sub-step:
Sub-step S11, received alternating current is converted to the first busbar voltage direct current;
In a preferred embodiment of the present application, described sub-step S11 may further include with lower unit:
Filtering is carried out to received alternating current;
The described AC rectification through filtering is converted to the first busbar voltage direct current.
Sub-step S12, received direct current is converted to the first busbar voltage direct current, and when described alternating-current power supply is normal, switches to hot stand-by duty;
Sub-step S13, described first busbar voltage direct current is converted to the direct current of the first rated voltage; Wherein, described first busbar voltage is higher than the first rated voltage.
Step 404, received alternating current or direct current are first converted to busbar voltage direct current, then are converted to the alternating current of the second rated voltage, and when alternating-current power supply is normal, the busbar voltage direct current in described DC power supply path switches to hot stand-by duty;
In a preferred embodiment of the present application, described step 404 specifically can comprise:
Sub-step S21, received alternating current is converted to the second busbar voltage direct current;
In a preferred embodiment of the present application, described sub-step S21 may further include:
Filtering is carried out to received alternating current;
The described AC rectification through filtering is converted to the second busbar voltage direct current.
Sub-step S22, received direct current is converted to the second busbar voltage direct current, and when described alternating-current power supply is normal, switches to hot stand-by duty;
Sub-step S23, described second busbar voltage direct current is converted to the direct current of the second rated voltage; Wherein, described second busbar voltage is higher than the second rated voltage.
Step 405, export described first rated voltage direct current to direct-flow electricity utilization apparatus;
Step 406, export described second rated voltage alternating current to AC electric equipment.
With reference to Fig. 5, show the flow chart of the embodiment of the method 2 that a kind of uninterrupted power supply of the application is powered, specifically can also comprise:
Step 501, DC power supply is set, direct current is provided;
Step 502, have no progeny when restoring electricity in alternating-current power supply, the first busbar voltage direct current and the second busbar voltage direct current that switch DC power supply path are hot stand-by duty; When alternating-current power supply interrupts, start the first busbar voltage direct current and the second busbar voltage direct current that export described hot stand-by duty DC power supply path;
Step 503, when alternating-current power supply is normal, conducting alternating-current power supply;
Step 504, received alternating current or direct current are first converted to the first busbar voltage direct current, then are converted to the first rated voltage direct current, and when alternating-current power supply is normal, the busbar voltage direct current in described DC power supply path switches to hot stand-by duty;
Step 505, received alternating current or direct current are first converted to busbar voltage direct current, then are converted to the alternating current of the second rated voltage, and when alternating-current power supply is normal, the busbar voltage direct current in described DC power supply path switches to hot stand-by duty;
Step 506, export described first rated voltage direct current to direct-flow electricity utilization apparatus;
Step 507, export described second rated voltage alternating current to AC electric equipment.
Because described embodiment of the method is substantially corresponding to aforementioned means embodiment, therefore not detailed part in the description of the present embodiment, see the related description in previous embodiment, just can not repeat at this.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The system that a kind of uninterrupted power supply provided the application is above powered and a kind of method that uninterrupted power supply is powered are described in detail, apply specific case herein to set forth the principle of the application and execution mode, the explanation of above embodiment is just for helping method and the core concept thereof of understanding the application; Meanwhile, for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application.
Claims (14)
1. a uninterrupted power supply system of powering, is characterized in that, comprising:
DC power supply, for providing direct current;
Direct current distributor circuit, for distributing to rated voltage alternating current generative circuit and rated voltage direct current generative circuit by described direct current;
Alternating current distributor circuit, for when alternating-current power supply is normal, distributes to rated voltage alternating current generative circuit and rated voltage direct current generative circuit by alternating current;
Rated voltage direct current generative circuit, for received alternating current or direct current are first converted to the first busbar voltage direct current, be converted to the first rated voltage direct current again, and when described alternating-current power supply is normal, the first busbar voltage direct current in DC power supply path is switched to hot stand-by duty, when described alternating-current power supply fault, conducting at any time exports to power supply rear end;
Rated voltage alternating current generative circuit, for received alternating current or direct current are first converted to the second busbar voltage direct current, be converted to the second rated voltage alternating current again, and when described alternating-current power supply is normal, the second busbar voltage direct current in described DC power supply path is switched to hot stand-by duty, when described alternating-current power supply fault, conducting at any time exports to power supply rear end;
Rated voltage direct current output circuit, for exporting described first rated voltage direct current to direct-flow electricity utilization apparatus;
Rated voltage alternating current output circuit, for exporting described second rated voltage alternating current to AC electric equipment.
2. the system as claimed in claim 1, is characterized in that, described rated voltage direct current generative circuit is provided with at least two, and described system also comprises:
Supervising device, for monitoring rated voltage direct current generative circuit job information, obtains practical power Rate of average load, and according to the rated voltage direct current generative circuit of described practical power Rate of average load gating respective amount.
3. system as claimed in claim 2, it is characterized in that, described rated voltage direct current generative circuit comprises:
Circuit is propped up in first power factor correction, for received alternating current is converted to the first busbar voltage direct current;
First transformation props up circuit, for received direct current is converted to the first busbar voltage direct current, and when alternating-current power supply is normal, the first busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
Direct current transformation props up circuit, for converting described first busbar voltage direct current to first rated voltage direct current; Wherein, described first busbar voltage is higher than the first rated voltage.
4. system as claimed in claim 3, it is characterized in that, described first power factor correction is propped up circuit and is comprised:
First filter unit: for carrying out filtering to received alternating current;
First rectification unit: for the described AC rectification through filtering is converted to the first busbar voltage direct current.
5. system as claimed in claim 4, it is characterized in that, described rated voltage alternating current generative circuit comprises:
Circuit is propped up in second power factor correction, for received alternating current is converted to the second busbar voltage direct current;
Second transformation props up circuit, for received direct current is converted to the second busbar voltage direct current, and when alternating-current power supply is normal, the second busbar voltage direct current in described DC power supply path is switched to hot stand-by duty;
Ac converter props up circuit, for converting described second busbar voltage direct current to second rated voltage alternating current; Wherein, described second busbar voltage is higher than the second rated voltage.
6. system as claimed in claim 5, it is characterized in that, described second power factor correction is propped up circuit and is comprised:
Second filter unit: for carrying out filtering to received alternating current;
Second rectification unit: for the described AC rectification through filtering is converted to the second busbar voltage direct current.
7. system as claimed in claim 6, is characterized in that, also comprise:
Switch logic device, triggers described alternating current distributor circuit during for having no progeny in alternating-current power supply and restoring electricity, and switches the first busbar voltage direct current in described DC power supply path and the second busbar voltage direct current is hot stand-by duty; For triggering described direct current distributor circuit when alternating-current power supply interrupts, and start the first busbar voltage direct current and the second busbar voltage direct current that export DC power supply path.
8. system as claimed in claim 7, it is characterized in that, the voltage of described alternating-current power supply is 220V or 380V; The voltage of described DC power supply is 240V; Described first busbar voltage and the second busbar voltage are 400V; Described first rated voltage is 12V; Described second rated voltage is 220V.
9. a uninterrupted power supply method of powering, is characterized in that, comprising:
DC power supply is set, direct current is provided;
When alternating-current power supply is normal, conducting alternating-current power supply;
Received alternating current or direct current are first converted to the first busbar voltage direct current, be converted to the first rated voltage direct current again, and when alternating-current power supply is normal, the first busbar voltage direct current in DC power supply path switches to hot stand-by duty, when described alternating-current power supply fault, conducting at any time exports to power supply rear end;
Received alternating current or direct current are first converted to the second busbar voltage direct current, be converted to the alternating current of the second rated voltage again, and when alternating-current power supply is normal, the second busbar voltage direct current in described DC power supply path switches to hot stand-by duty, when described alternating-current power supply fault, conducting at any time exports to power supply rear end;
Export described first rated voltage direct current to direct-flow electricity utilization apparatus;
Export described second rated voltage alternating current to AC electric equipment.
10. method as claimed in claim 9, is characterized in that, described received alternating current or direct current is first converted to the first busbar voltage direct current, the more galvanic step being converted to the first rated voltage comprises:
Received alternating current is converted to the first busbar voltage direct current;
Received direct current is converted to the first busbar voltage direct current, and when described alternating-current power supply is normal, switches to hot stand-by duty;
Convert described first busbar voltage direct current to first rated voltage direct current; Wherein, described first busbar voltage is higher than the first rated voltage.
11. methods as claimed in claim 10, is characterized in that, the described galvanic step of the first busbar voltage that is converted to by received alternating current comprises further:
Filtering is carried out to received alternating current;
The described AC rectification through filtering is converted to the first busbar voltage direct current.
12. methods as claimed in claim 11, is characterized in that, described received alternating current or direct current are first converted to the second busbar voltage direct current, then the step of the alternating current being converted to the second rated voltage comprises:
Received alternating current is converted to the second busbar voltage direct current;
Received direct current is converted to the second busbar voltage direct current, and when described alternating-current power supply is normal, switches to hot stand-by duty;
Convert described second busbar voltage direct current to second rated voltage alternating current; Wherein, described second busbar voltage is higher than the second rated voltage.
13. methods as claimed in claim 12, is characterized in that, the described galvanic step of the second busbar voltage that is converted to by received alternating current comprises further:
Filtering is carried out to received alternating current;
The described AC rectification through filtering is converted to the second busbar voltage direct current.
14. methods as claimed in claim 13, is characterized in that, when alternating-current power supply is normal, before conducting alternating-current power supply, also comprise:
Have no progeny when restoring electricity in alternating-current power supply, the first busbar voltage direct current and the second busbar voltage direct current that switch DC power supply path are hot stand-by duty; When alternating-current power supply interrupts, start the first busbar voltage direct current and the second busbar voltage direct current that export described hot stand-by duty DC power supply path.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210082627.7A CN103368249B (en) | 2012-03-26 | 2012-03-26 | The system and method that a kind of uninterrupted power supply is powered |
| HK13114116.5A HK1186851A1 (en) | 2012-03-26 | 2013-12-20 | System and method for supplying power by uninterrupted power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210082627.7A CN103368249B (en) | 2012-03-26 | 2012-03-26 | The system and method that a kind of uninterrupted power supply is powered |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103368249A CN103368249A (en) | 2013-10-23 |
| CN103368249B true CN103368249B (en) | 2016-02-10 |
Family
ID=49369015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210082627.7A Active CN103368249B (en) | 2012-03-26 | 2012-03-26 | The system and method that a kind of uninterrupted power supply is powered |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103368249B (en) |
| HK (1) | HK1186851A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711990A (en) * | 2015-07-29 | 2017-05-24 | 腾讯科技（深圳）有限公司 | Vehicle concentrated power supply device and system |
| CN106340956A (en) * | 2016-11-09 | 2017-01-18 | 上海传英信息技术有限公司 | Uninterrupted power source (UPS) conversion device and power supply control method thereof |
| CN108522221A (en) * | 2018-04-23 | 2018-09-14 | 台州创投环保科技有限公司 | A kind of agricultural irrigation systems based on agriculture big data |
| CN110933346A (en) * | 2019-11-26 | 2020-03-27 | 广州长嘉电子有限公司 | Television power supply method and system based on uninterruptible power supply |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286655A (en) * | 2008-05-22 | 2008-10-15 | 中国科学院电工研究所 | Complementary power supply system of wind and photovoltaic power generation based on super capacitor power storage |
| CN101976871A (en) * | 2010-10-22 | 2011-02-16 | 艾默生网络能源有限公司 | UPS (Uninterrupted Power Supply) power supply control circuit and UPS power supply |
| CN202168013U (en) * | 2011-07-29 | 2012-03-14 | 深圳市上古光电有限公司 | Solar energy power generation system used for communication base station |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005176460A (en) * | 2003-12-09 | 2005-06-30 | Fuji Electric Fa Components & Systems Co Ltd | Uninterruptible power supply unit |
-
2012
- 2012-03-26 CN CN201210082627.7A patent/CN103368249B/en active Active
-
2013
- 2013-12-20 HK HK13114116.5A patent/HK1186851A1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286655A (en) * | 2008-05-22 | 2008-10-15 | 中国科学院电工研究所 | Complementary power supply system of wind and photovoltaic power generation based on super capacitor power storage |
| CN101976871A (en) * | 2010-10-22 | 2011-02-16 | 艾默生网络能源有限公司 | UPS (Uninterrupted Power Supply) power supply control circuit and UPS power supply |
| CN202168013U (en) * | 2011-07-29 | 2012-03-14 | 深圳市上古光电有限公司 | Solar energy power generation system used for communication base station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103368249A (en) | 2013-10-23 |
| HK1186851A1 (en) | 2014-03-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103178553B (en) | A kind of family expenses mixed power supply system | |
| CN102427266B (en) | Multifunctional photovoltaic UPS (uninterruptible power supply) system and control method thereof | |
| CN103427430A (en) | Hybrid energy storage system and energy management method thereof in micro-grid | |
| CN205489553U (en) | Photovoltaic energy storage battery electrical power generating system | |
| CN103972976A (en) | Electric energy supply system | |
| CN103915856B (en) | A kind of base station is grid-connected-charging photovoltaic micro-inverter system and control method thereof | |
| CN203674793U (en) | On-line power frequency uninterrupted power supply | |
| CN108123497B (en) | Power distribution cabinet for AC/DC hybrid power supply and AC/DC hybrid power supply system | |
| CN102468682A (en) | High voltage direct current power supply system for both alternating current purpose and direct current purpose | |
| CN104467509B (en) | A kind of bidirectional energy-storage current transformer | |
| CN105337306A (en) | Optical storage integrated power generation system | |
| CN202712876U (en) | Solar photovoltaic microgrid grid-connected power generation system | |
| CN103580264A (en) | Direct current micro-grid system supplying power in looped network mode | |
| CN103368249B (en) | The system and method that a kind of uninterrupted power supply is powered | |
| CN204809877U (en) | Control circuit of energy storage equipment | |
| CN103872747A (en) | Uninterrupted 12V direct-current power system | |
| CN203312829U (en) | Inverter capable of smoothly switching between grid-off mode and grid-connected mode | |
| CN202550614U (en) | Off-line discharge device of storage battery | |
| CN205081560U (en) | A stand -by power supply for communication base station | |
| CN201839195U (en) | AC-DC dual-purpose high-voltage DC power supply system | |
| CN103730949A (en) | Server energy-saving power supply design method supporting both AC input and DC input | |
| CN203151120U (en) | Household hybrid power supply system | |
| CN203261257U (en) | Solar photovoltaic power generation single-phase grid-connected inverter | |
| CN103107531B (en) | Energy control method of intelligent building direct current micro-grid based on distributed generation and uninterrupted power supply (UPS) energy storage integration | |
| CN202888860U (en) | Off-grid and grid-connected photovoltaic inverter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1186851 Country of ref document: HK |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1186851 Country of ref document: HK |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20210331 Address after: Room 508, floor 5, building 4, No. 699, Wangshang Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Alibaba (China) Co.,Ltd. Address before: A four-storey 847 mailbox in Grand Cayman Capital Building, British Cayman Islands Patentee before: Alibaba Group Holding Ltd. |
|
| TR01 | Transfer of patent right |