CN102208830A - Hybrid uninterruptible power supply system - Google Patents
Hybrid uninterruptible power supply system Download PDFInfo
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- CN102208830A CN102208830A CN2011100692831A CN201110069283A CN102208830A CN 102208830 A CN102208830 A CN 102208830A CN 2011100692831 A CN2011100692831 A CN 2011100692831A CN 201110069283 A CN201110069283 A CN 201110069283A CN 102208830 A CN102208830 A CN 102208830A
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Abstract
The invention discloses a hybrid uninterruptible power supply system. A generator is connected with a rapid power dump device. A diesel engine is connected with the generator by a clutch. A battery is connected with a bidirectional transducer which is connected with an electric/generator device. The rapid power dump device is connected in series into a path formed by an input power supply and post load equipment. When the input power supply fails or is interrupted, the path formed by the input power supply and the post load equipment is rapidly interrupted. When the input power supply is normal, the input power supply charges the battery by the generator, the electric/generator device and the bidirectional transducer. When the input power supply fails, the battery is discharged, and provides energy for the post load equipment by the bidirectional transducer, the electric/generator device and the generator, and simultaneously, the starting of the diesel engine is finished. After the diesel engine is normally started, the battery stops supplying power, and the diesel engine drives the generator to supply the power to the post load equipment. The hybrid uninterruptible power supply system provided by the invention supplies timely and reliable uninterruptible power to the post load equipment.
Description
Technical field
The present invention relates to uninterruptible power system, particularly a kind of mixing uninterruptible power system.
Background technology
Along with development of science and technology, mainframe computer, the application of data center and medicine equipment or the like is more and more wider, and the increase of various nonlinear loads is more and more higher to the requirement of grid supply quality simultaneously.More and more the electric installation to the power supply quality sensitivity needs uninterrupted power supply to power, prevent to cause immeasurable loss owing to have a power failure, as the large-scale data center, the data processing centre of bankwire, the base station of telecom communication system, any one power failure in short-term of medicine equipment that use in carrying out at satellite control detection center, hospital surgical all can cause loss difficult to the appraisal or to the threat of life security to user, equipment and patient.Therefore, be vital to the reliability of power-supply system, this also is the requirement to the UPS reliability.
Uninterruptible power system as stand-by power supply commonly used comprises static UPS (Uninterruptible Power Supply, uninterruptible power system) and rotation UPS.Static UPS has off-line type, and is online, three kinds of patterns of online interaction formula.As shown in Figure 1, the structural representation of the existing static on line type UPS of using always adopts power electronic technology that electric network source is converted to the high-performance of load needs, the power supply of high reliability by rectifier and inverter.Battery pack provides short-time energy for load when the rectifier fault, meanwhile finish the handoff procedure from the main road to the bypass.Static UPS has its unique advantage, and is little etc. as the distortion of efficient and reliability height, out-put supply, but the place of its deficiency is also arranged, and big as the impedance of output, to the bad adaptability of nonlinear load, cost is high.As shown in Figure 2, the structural representation of the existing rotation UPS that uses always, just often alternating current machine and generator provide power supply for load at the input power supply, battery drives direct current machine by converter when the input power supply is interrupted, direct current machine and generator coaxle, the drive generator continues as load provides energy.The input power supply is finished the handoff procedure to bypass in battery provides time of energy.Direct current machine is as the critical piece that power supply is provided for load, and its advantage is that technology maturation reliability height, output impedance are little, so but because critical piece is a mechanical structure maintenance expense height, slow to the speed of instantaneous frequency response.
Because all there are deficiency in existing static on line type UPS and rotation UPS, how to avoid the deficiency of above-mentioned two kinds of systems, can utilize the advantage of above-mentioned two kinds of systems again, i.e. output impedance is little, and the out-put supply distortion is little, the reliability height, the transient error ability is strong and the dynamic frequency response is fast, to power grade without limits, can realize providing in time uninterrupted power supply reliably to back level load, guaranteeing the safe operation of back level load equipment, is those skilled in the art's technical issues that need to address.
Summary of the invention
The purpose of this invention is to provide a kind of mixing uninterruptible power system,, guarantee the safe operation of back level load equipment for back level load equipment provides in time uninterrupted power supply reliably.
For addressing the above problem, the invention provides a kind of mixing uninterruptible power system, described system comprises: quick power cut-off device, generator, diesel engine, dynamoelectric machine device, reversible transducer and battery;
Described generator links to each other with described quick power cut-off device;
Described diesel engine links to each other with described generator by clutch;
Described battery links to each other with described reversible transducer, and reversible transducer links to each other with described dynamoelectric machine device;
Described generator is coaxial with described dynamoelectric machine device;
Described quick power cut-off device is connected in the path of input power supply and back level load equipment; When the input power supply breaks down or disconnects the path of input power supply and back level load equipment during power interruptions fast; At the input power supply just often, the input power supply by described generator and described dynamoelectric machine device and described reversible transducer to described battery charge; When the input power failure, described battery discharge provides energy by described reversible transducer, dynamoelectric machine device and generator to described back level load equipment;
Finish start-up course at described battery discharge described diesel engine when described back level load equipment provides energy, described diesel engine normally starts the described battery in back stops power supply, and described diesel engine drives described generator and provides power supply to described back level equipment.
Preferably, described input power supply is the power supply that medium voltage network provides behind station service transformer.
Preferably, a described back level load equipment is middle pressure input power distribution unit, server and POL.
Preferably, described system comprises the detecting unit that is arranged between described quick power cut-off device and the described input power supply, described detecting unit be used to the to sample voltage signal and/or the current signal of described quick power cut-off device front end;
Described system comprises the controller that links to each other with described detecting unit, described controller is according to the input power source voltage signal and/or the current signal of described detecting unit sampling, judge that described input power supply breaks down or during power interruptions, disconnect the path of input power supply and back level load equipment fast.
Preferably, described system also comprises and described generator, dynamoelectric machine generator coupled, dynamoelectric machine rotation speed detection unit, described generator, the detected signal of dynamoelectric machine rotation speed detection unit are delivered to described controller, control the running status of described generator, dynamoelectric machine by described controller.
Preferably, described system also comprises reversible transducer electric current, the voltage signal detecting unit that links to each other with described reversible transducer, described reversible transducer electric current, the detected signal of voltage signal detecting unit are delivered to described controller, described controller is controlled the operating state of described reversible transducer, give back level battery charge when described reversible transducer is operated in the rectification pattern, battery discharged when described reversible transducer was operated in inverter mode.
Preferably, described system also comprises cell voltage, temperature, the electric weight detecting unit that links to each other with described battery, and the signal that described cell voltage, temperature, electric weight detecting unit detect is delivered to described controller, is used to control battery operated in the working range of safety.
Preferably, the output of described system is provided with filter.
Preferably, described filter is the filter of being made up of inductance and electric capacity.
Preferably, the output of described system is provided with frequency correcting apparatus, by detecting the phase place of described system output signal, compare with reference signal, control the needs that described frequency correcting apparatus output signal frequency satisfies described back level load equipment according to comparative result.
Preferably, described system further comprises the under-voltage and over-pressure safety device of line voltage that links to each other with described input power supply.
Compare with above-mentioned prior art, the described mixing uninterruptible power system of the embodiment of the invention provides in time uninterrupted power supply reliably by being used of rotating electromagnetic power apparatus such as reversible transducer, battery and motor of static state to back level load equipment, guarantees the safe operation of back level load equipment.
The described mixing uninterruptible power system of the embodiment of the invention has following advantage: owing to used reversible transducer, do not need independent battery charger and discharge loop; Reversible transducer is a power electronic equipment, response speed is fast, so the initial time at the input power failure can provide energy for back level equipment at once, because the energy density of battery is low, the energy of being stored only can be kept several milliseconds of running times to several seconds of back level equipment, so finish start-up course at described battery discharge described diesel engine when described back level load equipment provides energy, described diesel engine normally start the back described battery stops power supply, diesel engine by generator backward the level equipment power supply is provided.
Owing to use generator and the coaxial coupling of dynamoelectric machine device, can have the ability of synchronous phase modulation; Owing to adopt the dynamoelectric machine device, can realize the voltage transitions of any grade, the system that makes has than higher efficient.
Description of drawings
Fig. 1 is the structural representation of the existing static on line type UPS of using always;
Fig. 2 is the structural representation of the existing rotation UPS that uses always;
Fig. 3 is the described mixing uninterruptible power system of an embodiment of the invention structure chart;
Fig. 4 is the application schematic diagram of the described mixing uninterruptible power system of the embodiment of the invention;
Fig. 5 is described mixing uninterruptible power system of the embodiment of the invention and peripheral circuit connection diagram.
Embodiment
The invention provides a kind of mixing uninterruptible power system, make full use of the advantage of static UPS and rotation UPS,, guarantee the safe operation of back level load equipment for back level load equipment provides in time uninterrupted power supply reliably.
The present invention combines use in order to make full use of the advantage of static UPS and rotation UPS with static UPS and rotation UPS, forms a kind of mixing UPS.Make it have advantage static and rotation UPS simultaneously, little as output impedance, the out-put supply distortion is little, the reliability height, and the strong and dynamic frequency of transient error ability responds advantages such as fast.Common hybrid UPS has three kinds of forms, and a kind of is off-line type mixing UPS, is made of off-line UPS and rotation UPS, another kind is that the online interaction formula is mixed UPS, be made of online interaction formula UPS and rotation UPS, the third is online mixing UPS, is made of on line type UPS and rotation UPS.The pluses and minuses that every kind of structure had are relevant with the characteristics of its component parts.
In order to make those skilled in the art understand the present invention program better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 3, this figure is the described mixing uninterruptible power system of an embodiment of the invention structure chart.
The described mixing uninterruptible power system of the embodiment of the invention, described system comprises: quick power cut-off device (FUD, Fast Utility Disconnect), generator, diesel engine, dynamoelectric machine device, reversible transducer and battery.
Described generator links to each other with described quick power cut-off device.
Described diesel engine links to each other with described generator by clutch.
Described battery links to each other with described reversible transducer, and reversible transducer links to each other with described dynamoelectric machine device;
Described generator is coaxial with described dynamoelectric machine device.
Described quick power cut-off device is connected in the path of input power supply and back level load equipment (not shown among Fig. 3).When the input power supply breaks down or disconnects the path of input power supply and back level load equipment during power interruptions fast.At the input power supply just often, the input power supply by described generator and described dynamoelectric machine device and described reversible transducer to described battery charge.When the input power failure, described battery discharge provides energy by described reversible transducer, dynamoelectric machine device and generator to described back level load equipment.Finish start-up course at described battery discharge diesel engine when described back level load equipment provides energy, diesel engine normally starts the back battery stops power supply, and diesel engine drive generator level equipment backward provides power supply.
The dynamoelectric machine device is operated in the generator state when charging the battery; The dynamoelectric machine device is to be operated in electric motor state when driving diesel engine and generator.
Described input power supply specifically can be the power supply that medium voltage network provides behind station service transformer.
Power supply was imported in conduct after the voltage of medium voltage network carried out conversion by the intermediate voltage generating station transformer, and the input power supply links to each other with quick power cut-off device FUD, and the middle pressure of level is imported power devices such as power distribution unit after line voltage just often is.
Fast power cut-off device FUD breaks down or disconnects the path of input power supply and back level load equipment fast during power interruptions at the input power supply, in order to avoid a back level load equipment is threatened.At the input power supply just often, input voltage by generator and coaxial dynamoelectric machine and reversible transducer to battery charge; When input during power failure, battery discharge, by reversible transducer, dynamoelectric machine and generator backward level equipment energy is provided.
Short-time energy when battery provides input power failure or interruption, power supply needs to start diesel engine for a long time.Diesel engine starting in battery discharge, diesel engine normally start the back battery stops power supply, and diesel engine drive generator level equipment backward provides power supply.
The described mixing uninterruptible power system of the embodiment of the invention provides in time uninterrupted power supply reliably by being used of rotating electromagnetic power apparatus such as reversible transducer, battery and motor of static state to back level load equipment, guarantees the safe operation of back level load equipment.
The described mixing uninterruptible power system of the embodiment of the invention has following advantage: owing to used reversible transducer, do not need independent battery charger and discharge loop; Use generator and the coaxial coupling of dynamoelectric machine device, can have the ability of synchronous phase modulation; Owing to adopt the dynamoelectric machine device, can realize the voltage transitions of any grade, the system that makes has than higher efficient.
The described mixing uninterruptible power system of the embodiment of the invention is used very extensive.Referring to Fig. 4, this figure is the application schematic diagram of the described mixing uninterruptible power system of the embodiment of the invention.
Figure 4 shows that one of application mode.The described mixing uninterruptible power system of the embodiment of the invention is specially middle pressure input power distribution unit PDU (Power DistributionUnit), server, the POL POL power supplies such as (Point Of Load) of back level.Be middle pressure input power distribution unit, server, the POL of described back level load equipment for the back level.
Referring to Fig. 5, this figure is described mixing uninterruptible power system of the embodiment of the invention and peripheral circuit connection diagram.
The described mixing uninterruptible power system of the embodiment of the invention can also comprise the detecting unit that is arranged between described quick power cut-off device and the described input power supply (realizing voltage, current detecting), the voltage signal and/or the current signal of the described quick power cut-off device front end that is used to sample.
The described mixing uninterruptible power system of the embodiment of the invention can also comprise the controller that links to each other with described detecting unit, described controller is according to the input power source voltage signal and/or the current signal of described detecting unit sampling, judge that described input power supply breaks down or during power interruptions, disconnect the path of input power supply and back level load equipment fast; Control described battery discharge, provide energy to described back level load equipment by described reversible transducer, dynamoelectric machine and generator.
The described mixing uninterruptible power system of the embodiment of the invention can also comprise and described generator, dynamoelectric machine generator coupled, dynamoelectric machine rotation speed detection unit.Generator, dynamoelectric machine rotation speed detection unit are delivered to described controller with detected signal.Described controller control is according to the running status of the described generator of above-mentioned detected signal controlling, dynamoelectric machine.
The described mixing uninterruptible power system of the embodiment of the invention can also comprise reversible transducer electric current, the voltage signal detecting unit that links to each other with described reversible transducer.
Reversible transducer electric current, voltage signal detecting unit are delivered to described controller with detected signal.Described controller is according to the operating state of the described reversible transducer of above-mentioned detected signal controlling.Give back level battery charge when being operated in the rectification pattern, battery discharges when being operated in inverter mode.
The described mixing uninterruptible power system of the embodiment of the invention can also comprise cell voltage, temperature, the electric weight detecting unit that links to each other with described battery.
Cell voltage, temperature, electric weight detecting unit are delivered to described controller with the signal that detects.Controller is battery operated in the working range of safety according to above-mentioned detected signal controlling.
Because reversible transducer is a power electronic equipment, response speed is fast, so can provide energy for back level load equipment at the initial time of input power failure at once.But because the energy density of battery is low, the energy of being stored only can be kept several milliseconds of running times to several seconds of back level equipment, concrete hold time relevant with the size of the capacity of battery and back grade load.
When the input power failure, controller sends instruction to diesel engine simultaneously, as shown in Figure 5.Dynamoelectric machine drives diesel engine by clutch, makes the diesel engine smooth starting, and after the normal startup of diesel engine, battery stops discharge.Diesel engine by generator backward the level equipment power supply is provided.Diesel engine and dynamoelectric machine belong to electromagnetic power equipment, and critical piece is a magnetic element, so dynamic responding speed is slow, in the time that battery powers to the load diesel engine finish start-up course backward the level equipment energy is provided.The effect of clutch is to make diesel engine co-ordination steadily is connected with dynamoelectric machine, in order to avoid owing to impact the damage that causes diesel engine, dynamoelectric machine.
Mixing uninterruptible power system of the present invention periphery can also comprise that the output that is arranged on described system is provided with filter.
The filter that described filter specifically can be made up of inductance and electric capacity.
Described filter also can adopt the harmonic wave of the certain number of times of software filtering filtering in Control Software.
For requiring relatively stricter occasion can consider frequency correcting apparatus to be set at the output of described system to output quality, by detecting the phase place of described system output signal, compare and controlled with reference signal, make described frequency correcting apparatus output signal frequency satisfy the needs of described back level load equipment reality.
The described mixing uninterruptible power system of the embodiment of the invention further can also comprise the under-voltage and over-pressure safety device of line voltage that links to each other with described input power supply, is used for protecting under the under-voltage and overpressure situation of line voltage.
According to different controlling schemes, can sample the respectively voltage signal of FUD front end, current signal or while sampled voltage and current signal, the signals such as rotating speed of generator, dynamoelectric machine, signals such as the electric current of reversible transducer, voltage, with signals such as the voltage of battery, temperature, electric weight, in controller, finish control to whole system, send control command by signal being carried out computings such as Mathematical treatment, logic determines, the action of control diesel engine, generator, dynamoelectric machine, battery and reversible transducer.The line voltage overvoltage and when under-voltage action in time FUD is disconnected.
The described mixing uninterruptible power system of the embodiment of the invention can be used under the different electrical voltage systems, and operation principle is approximate, to power grade without limits.Being used of rotating electromagnetic power apparatus such as the reversible transducer by static state, battery, motor provides in time uninterrupted power supply reliably to a back level load, guarantees the safe operation of back level load equipment.
The above only is the preferred implementation of mixing uninterruptible power system of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. one kind is mixed uninterruptible power system, it is characterized in that described system comprises: quick power cut-off device, generator, diesel engine, dynamoelectric machine device, reversible transducer and battery;
Described generator links to each other with described quick power cut-off device;
Described diesel engine links to each other with described generator by clutch;
Described battery links to each other with described reversible transducer, and reversible transducer links to each other with described dynamoelectric machine device;
Described generator is coaxial with described dynamoelectric machine device;
Described quick power cut-off device is connected in the path of input power supply and back level load equipment; When the input power supply breaks down or disconnects the path of input power supply and back level load equipment during power interruptions fast; At the input power supply just often, the input power supply by described generator and described dynamoelectric machine device and described reversible transducer to described battery charge; When the input power failure, described battery discharge provides energy by described reversible transducer, dynamoelectric machine device and generator to described back level load equipment;
Finish start-up course at described battery discharge described diesel engine when described back level load equipment provides energy, described diesel engine normally starts the described battery in back stops power supply, and described diesel engine drives described generator and provides power supply to described back level equipment.
2. mixing uninterruptible power system according to claim 1 is characterized in that, described input power supply is the power supply that medium voltage network provides behind station service transformer.
3. mixing uninterruptible power system according to claim 2 is characterized in that, described back level load equipment is middle pressure input power distribution unit, server and POL.
4. mixing uninterruptible power system according to claim 1, it is characterized in that, described system comprises the detecting unit that is arranged between described quick power cut-off device and the described input power supply, described detecting unit be used to the to sample voltage signal and/or the current signal of described quick power cut-off device front end;
Described system comprises the controller that links to each other with described detecting unit, described controller is according to the input power source voltage signal and/or the current signal of described detecting unit sampling, judge that described input power supply breaks down or during power interruptions, disconnect the path of input power supply and back level load equipment fast.
5. mixing uninterruptible power system according to claim 4, it is characterized in that, described system also comprises and described generator, dynamoelectric machine generator coupled, dynamoelectric machine rotation speed detection unit, described generator, the detected signal of dynamoelectric machine rotation speed detection unit are delivered to described controller, control the running status of described generator, dynamoelectric machine by described controller.
6. mixing uninterruptible power system according to claim 4, it is characterized in that, described system also comprises reversible transducer electric current, the voltage signal detecting unit that links to each other with described reversible transducer, described reversible transducer electric current, the detected signal of voltage signal detecting unit are delivered to described controller, described controller is controlled the operating state of described reversible transducer, give back level battery charge when described reversible transducer is operated in the rectification pattern, battery discharged when described reversible transducer was operated in inverter mode.
7. mixing uninterruptible power system according to claim 4, it is characterized in that, described system also comprises cell voltage, temperature, the electric weight detecting unit that links to each other with described battery, the signal that described cell voltage, temperature, electric weight detecting unit detect is delivered to described controller, is used to control battery operated in the working range of safety.
8. mixing uninterruptible power system according to claim 1 is characterized in that the output of described system is provided with filter.
9. mixing uninterruptible power system according to claim 8 is characterized in that, described filter is the filter of being made up of inductance and electric capacity.
10. mixing uninterruptible power system according to claim 1, it is characterized in that, the output of described system is provided with frequency correcting apparatus, by detecting the phase place of described system output signal, compare with reference signal, control the needs that described frequency correcting apparatus output signal frequency satisfies described back level load equipment according to comparative result.
11. mixing uninterruptible power system according to claim 1 is characterized in that, described system further comprises the under-voltage and over-pressure safety device of line voltage that links to each other with described input power supply.
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| CN201110069283.1A CN102208830B (en) | 2011-03-22 | 2011-03-22 | Hybrid uninterruptible power supply system |
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| CN201110069283.1A CN102208830B (en) | 2011-03-22 | 2011-03-22 | Hybrid uninterruptible power supply system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016034086A1 (en) * | 2014-09-01 | 2016-03-10 | 力博特公司 | Power supply system and method |
| CN106253453A (en) * | 2015-06-05 | 2016-12-21 | 通用电气公司 | Uninterrupted power source and using method |
| CN107787541A (en) * | 2015-06-29 | 2018-03-09 | Abb瑞士股份有限公司 | UPS with source impedance compensation |
| CN111224413A (en) * | 2020-03-12 | 2020-06-02 | 国家电网有限公司 | Emergency adjusting system for three-phase electric unbalance |
| CN112886704A (en) * | 2021-03-10 | 2021-06-01 | 贵州中联氢能能源设计研究院 | Uninterrupted power supply composed of full-automatic energy storage and grid-connected system and local network system |
| CN114206655A (en) * | 2019-06-03 | 2022-03-18 | 美国能源生产***有限责任公司 | Power generation and distribution |
| CN115149631A (en) * | 2022-06-23 | 2022-10-04 | 四川蓝海化工（集团）有限公司 | Leak-proof oil-immersed UPS (uninterrupted Power supply) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0236738A (en) * | 1988-07-22 | 1990-02-06 | Central Glass Co Ltd | Uninterruptible power system |
| CN2328124Y (en) * | 1997-05-20 | 1999-07-07 | 交通部上海船舶运输科学研究所 | Uninterruption A.C. power source |
| CN2821180Y (en) * | 2005-01-12 | 2006-09-27 | 冯浪平 | Uninterrupted electric oil burning generator unit |
| US20100060076A1 (en) * | 2008-09-05 | 2010-03-11 | Gemin Paul R | Systems and methods for providing an uninterruptible power supply to a ship-service bus of a marine vessel |
-
2011
- 2011-03-22 CN CN201110069283.1A patent/CN102208830B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0236738A (en) * | 1988-07-22 | 1990-02-06 | Central Glass Co Ltd | Uninterruptible power system |
| CN2328124Y (en) * | 1997-05-20 | 1999-07-07 | 交通部上海船舶运输科学研究所 | Uninterruption A.C. power source |
| CN2821180Y (en) * | 2005-01-12 | 2006-09-27 | 冯浪平 | Uninterrupted electric oil burning generator unit |
| US20100060076A1 (en) * | 2008-09-05 | 2010-03-11 | Gemin Paul R | Systems and methods for providing an uninterruptible power supply to a ship-service bus of a marine vessel |
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| US10637283B2 (en) | 2014-09-01 | 2020-04-28 | Vertiv Tech Co., Ltd. | Power supply system and method |
| WO2016034086A1 (en) * | 2014-09-01 | 2016-03-10 | 力博特公司 | Power supply system and method |
| US10658867B2 (en) | 2014-09-01 | 2020-05-19 | Vertiv Tech Co., Ltd. | Power supply system and method |
| AU2015311401B2 (en) * | 2014-09-01 | 2018-08-02 | Vertiv Tech Co., Ltd. | Power supply system and method |
| US10601246B2 (en) | 2014-09-01 | 2020-03-24 | Vertiv Tech Co., Ltd. | Power supply system and method |
| US10637284B2 (en) | 2014-09-01 | 2020-04-28 | Vertiv Tech Co., Ltd. | Power supply system and method |
| CN106253453A (en) * | 2015-06-05 | 2016-12-21 | 通用电气公司 | Uninterrupted power source and using method |
| CN106253453B (en) * | 2015-06-05 | 2021-06-04 | Abb瑞士股份有限公司 | Uninterruptible power supply and power distribution system |
| CN107787541A (en) * | 2015-06-29 | 2018-03-09 | Abb瑞士股份有限公司 | UPS with source impedance compensation |
| CN107787541B (en) * | 2015-06-29 | 2020-10-30 | Abb瑞士股份有限公司 | UPS with source impedance compensation |
| CN114206655A (en) * | 2019-06-03 | 2022-03-18 | 美国能源生产***有限责任公司 | Power generation and distribution |
| CN111224413A (en) * | 2020-03-12 | 2020-06-02 | 国家电网有限公司 | Emergency adjusting system for three-phase electric unbalance |
| CN112886704A (en) * | 2021-03-10 | 2021-06-01 | 贵州中联氢能能源设计研究院 | Uninterrupted power supply composed of full-automatic energy storage and grid-connected system and local network system |
| CN115149631A (en) * | 2022-06-23 | 2022-10-04 | 四川蓝海化工（集团）有限公司 | Leak-proof oil-immersed UPS (uninterrupted Power supply) |
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| CN102208830B (en) | 2015-02-11 |
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