CN104467166A - Uninterruptible power supply system - Google Patents
Uninterruptible power supply system Download PDFInfo
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- CN104467166A CN104467166A CN201410809021.8A CN201410809021A CN104467166A CN 104467166 A CN104467166 A CN 104467166A CN 201410809021 A CN201410809021 A CN 201410809021A CN 104467166 A CN104467166 A CN 104467166A
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Abstract
The invention relates to an uninterruptible power supply system, and belongs to the uninterruptible power supply field. The system comprises an AC power source, an AC switching power module and a monitoring system/secondary device. The AC power source is connected with the monitoring system/secondary device through the AC switching power module. The uninterruptible power supply system further comprises a high-voltage DC module which supplies direct currents and a DC mutual-plugging module used for regulating DC and AC switch power sources. The high-voltage DC module is connected to the monitoring system/secondary device through the DC mutual-plugging module, and the AC switching power module is connected with the DC mutual-plugging module. According to the uninterruptible power supply system, a high-position electricity collecting mode is used for directly collecting electricity from a high-voltage battery pack of energy storage equipment, the stable operation of the secondary device and the monitoring system is guaranteed, the electricity can be converted to be alternating currents to be provided for a control coil of an AC main loop, and the problem that an UPS can not work under the long-time outage condition, so that an energy storage system does not operate normally in the prior art is solved.
Description
Technical field
The invention belongs to uninterrupted power supply field, particularly relate to the uninterruptible power system aspect for supervisory control system, be specifically related to the uninterruptible power system for large power energy storage equipment monitoring system.
Background technology
Human society enters 21 century, based on the progressively approach exhaustion of limited fossil energy and the day by day serious of environmental pollution, people appeal to set up reproducible clean energy resource to replace existing energy resource structure, so be established and fast development based on the new energy technology of solar photovoltaic technology and wind generating technology.The generation of electricity by new energy such as wind energy, solar energy has fluctuation and randomness, so people propose the concept of micro-capacitance sensor on the basis of distributed power generation.Wherein, energy-storage system is one of most important part in micro-capacitance sensor.
Along with power electronic technology and material technology constantly develop, the efficiency of energy-storage system, energy density, response speed and capacity etc. improve constantly.In the construction of intelligent grid, application energy-storage system can make the electric power of generation of electricity by new energy fixed and reliably be connected to the grid, thus in order to make generation of electricity by new energy can provide high-quality electric power for user, energy-storage system is absolutely necessary, and the development of energy-storage system is also inundant.Different applications also has corresponding difference to power generation requirements to the requirement of energy-storage system, can be different capacity, different voltage etc., but they are identical to only have any to require, that is exactly " ensureing supervisory control system non-stop run in 24 hours ".
What current most of energy storage device adopted is that UPS (AC-DC) ensures that monitoring and secondary circuit are powered, and in the normal situation of electrical network, UPS is in the state of cutting out, and after the unexpected power-off of electrical network, UPS cuts work.Consider that some applied environment is as frontier defense area, externally fed is unstable or do not have external electrical network, and long-time powering-off state happens occasionally, and UPS cannot work, and causes energy-storage system normally to run.The energy-storage battery capacity of another UPS itself is less, cannot support energy-storage system standby for a long time, and volume is comparatively large, takies more installing space.
Summary of the invention
When in order to overcome prior art peripheral power supply instability or there is no external electrical network, during long-time powering-off state, UPS cannot work, the deficiency causing energy-storage system normally to run, the invention provides a kind of uninterruptible power system, for the supervisory control system of large power energy storage equipment.
Technical scheme of the present invention is: a kind of uninterruptible power system, this system comprises AC power, alternating-current switch power module and supervisory control system/secondary device, AC power connects supervisory control system/secondary device by AC switch module, described uninterruptible power system also comprises to be provided galvanic high voltage direct current module and regulates the direct current of direct current, alternating-current switch power supply to stifled module, high voltage direct current module by direct current to stifled model calling to supervisory control system/secondary device, alternating-current switch power module connect direct current to stifled module.
Described high voltage direct current module comprises high-voltage DC power supply and high-order electricity-fetching module, and high-order electricity-fetching module is connected to high-voltage DC power supply direct current between stifled module.Described uninterruptible power system also comprises inverter circuit, and inverter circuit connects direct current respectively to stifled module and supervisory control system or secondary device.Described uninterruptible power system also comprises the inversion module carrying out direct current conversion alternating current, and inversion module connects direct current respectively to stifled module and supervisory control system/secondary device.Described inversion module comprises inverter circuit and changes the transformer of alternating voltage, and transformer connects inverter circuit.Described uninterruptible power system also comprises the transformer changing alternating voltage, and transformer connects inverter circuit.Described high-order electricity-fetching module comprises dc-dc, and dc-dc connects direct current to stifled module.Described direct current comprises controller to stifled module, and controller connects high-order electricity-fetching module and alternating-current switch power module.Described controller comprises the communication module transmitting remote signal, connects on the controller.
The present invention has following good effect: adopt the mode of high-order power taking from the direct power taking of high-tension battery group of energy storage device in the present invention, ensure secondary device and supervisory control system stable operation, and can be passed through the control coil converting to and exchange supply ac main circuit, be aided with associated control procedures, automatic control function and remote control function can be realized.In addition, the high-order electricity-fetching module equipment volume in the present invention is little, is conducive to the space availability ratio improving energy storage device.
Accompanying drawing explanation
Fig. 1 is the operation principle block diagram of uninterrupted power supply in the present invention.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and operation principle, manufacturing process and operation using method etc., be described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
A kind of uninterruptible power system, as shown in Figure 1, power supply in the present invention comprises alternating current and direct current, alternating current is traditional industrial frequency AC, in alternating current, alternating-current switch power module connects AC power, thus regulate alternating current to reach spendable object, direct current is connected and is transported to secondary device/supervisory control system.Direct current is the high-voltage DC power supply utilizing high-tension battery group to provide, high-voltage DC power supply connects high-order electricity-fetching module, high-voltage DC power supply and high-order electricity-fetching module composition provide galvanic high voltage direct current module, as the high-voltage power module providing low-voltage DC, directly from the power taking of high-tension battery group, rated DC current supplying secondary equipment and supervisory control system use can be converted to.This high-order power taking equipment has wider input range, normally can export rated DC current within the scope of this, ensure that the normal operation of electric power system to the normal power supply of secondary device/supervisory control system and secondary device/supervisory control system.
Uninterruptible power system provided by the invention also comprises direct current to stifled module, inverter circuit and transformer, direct current obtains input to stifled module and connects high-order electricity-fetching module and AC switch module respectively, direct current connects inverter circuit and secondary device/supervisory control system respectively to the output of stifled module, inverter circuit connection transformer.High-order electricity-fetching module comprises dc-dc, galvanic high pressure and low pressure conversion is carried out by dc-dc, also can export rated DC current to convert to exchange and supply AC after boosting through contravariant equipment and use, contravariant equipment refers to inverter circuit and the transformer being connected inverter circuit.Direct current comprises the communication module can carried out telecommunication, send remote signal to stifled module, carry out remote notification for during Electrical change by communication unit.In addition, direct current to stifled module can to realize when alternating-current switch power supply uses high-order electricity-fetching module not working voltage direct current rest, switch to high-order electricity-getting switch power supply when alternating-current switch power supply quits work suddenly and continue power supply, handoff procedure is very fast.
Adopt the mode of high-order power taking from the direct power taking of high-tension battery group of energy storage device in the present invention, ensure secondary device and supervisory control system stable operation, and can be passed through the control coil converting to and exchange supply ac main circuit, be aided with associated control procedures, automatic control function and remote control function can be realized.Because the high-tension battery pool-size of large power energy storage equipment is huge, as 100KW energy storage device is equipped with the battery pack of 25kwh, this solution can ensure the long-time running of energy-storage system.In addition, the high-order electricity-fetching module equipment volume in the present invention is little, is conducive to the space availability ratio improving energy storage device.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (7)
1. a uninterruptible power system, this system comprises AC power, alternating-current switch power module and supervisory control system/secondary device, AC power connects supervisory control system/secondary device by alternating-current switch power module, it is characterized in that, described uninterruptible power system also comprises to be provided galvanic high voltage direct current module and regulates the direct current of direct current, alternating current to stifled module, high voltage direct current module by direct current to stifled model calling to supervisory control system/secondary device, alternating-current switch power module connect direct current to stifled module.
2. uninterruptible power system according to claim 1, is characterized in that, described high voltage direct current module comprises high-voltage DC power supply and high-order electricity-fetching module, and high-order electricity-fetching module is connected to high-voltage DC power supply direct current between stifled module.
3. uninterruptible power system according to claim 1, is characterized in that, described uninterruptible power system also comprises the inversion module carrying out direct current conversion alternating current, and inversion module connects direct current respectively to stifled module and supervisory control system/secondary device.
4. uninterruptible power system according to claim 3, is characterized in that, described inversion module comprises inverter circuit and changes the transformer of alternating voltage, and transformer connects inverter circuit.
5. uninterruptible power system according to claim 1, is characterized in that, described high-order electricity-fetching module comprises dc-dc, and dc-dc connects direct current to stifled module.
6. uninterruptible power system according to claim 1, is characterized in that, described direct current comprises controller to stifled module, and controller connects high-order electricity-fetching module and alternating-current switch power module.
7. uninterruptible power system according to claim 6, is characterized in that, described controller comprises the communication module transmitting remote signal, connects on the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410809021.8A CN104467166B (en) | 2014-12-22 | 2014-12-22 | Uninterruptible power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410809021.8A CN104467166B (en) | 2014-12-22 | 2014-12-22 | Uninterruptible power system |
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| Publication Number | Publication Date |
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| CN104467166A true CN104467166A (en) | 2015-03-25 |
| CN104467166B CN104467166B (en) | 2017-12-15 |
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| CN201410809021.8A Active CN104467166B (en) | 2014-12-22 | 2014-12-22 | Uninterruptible power system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300632A (en) * | 2016-08-05 | 2017-01-04 | 重庆悦泰科技有限公司 | DC uninterrupted remote electric power system |
Citations (3)
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| CN102468682A (en) * | 2010-11-05 | 2012-05-23 | 湖南丰日电源电气股份有限公司 | High voltage direct current power supply system for both alternating current purpose and direct current purpose |
| CN202737559U (en) * | 2012-08-03 | 2013-02-13 | 浙江超荣力电器有限公司 | Intelligent type AC-DC integrated uninterrupted power supply system |
| JP2014158418A (en) * | 2014-05-19 | 2014-08-28 | Toshiba Mitsubishi-Electric Industrial System Corp | Uninterruptible power supply system |
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2014
- 2014-12-22 CN CN201410809021.8A patent/CN104467166B/en active Active
Patent Citations (3)
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| CN102468682A (en) * | 2010-11-05 | 2012-05-23 | 湖南丰日电源电气股份有限公司 | High voltage direct current power supply system for both alternating current purpose and direct current purpose |
| CN202737559U (en) * | 2012-08-03 | 2013-02-13 | 浙江超荣力电器有限公司 | Intelligent type AC-DC integrated uninterrupted power supply system |
| JP2014158418A (en) * | 2014-05-19 | 2014-08-28 | Toshiba Mitsubishi-Electric Industrial System Corp | Uninterruptible power supply system |
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| 辛甜等: "煤矿井下应急电源中高位取能电源的设计", 《煤炭工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300632A (en) * | 2016-08-05 | 2017-01-04 | 重庆悦泰科技有限公司 | DC uninterrupted remote electric power system |
| CN106300632B (en) * | 2016-08-05 | 2019-02-01 | 重庆悦泰科技有限公司 | DC uninterrupted remote electric power system |
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| Publication number | Publication date |
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| CN104467166B (en) | 2017-12-15 |
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Effective date of registration: 20190530 Address after: 211100 Tianyuan East Road 1009, Jiangning High-tech Park, Nanjing, Jiangsu Province Patentee after: Nanjing Valley Power Technology Co., Ltd. Address before: 241200 No. 17 Zhanghe Road, National High-tech Industrial Development Zone, Yijiang District, Wuhu City, Anhui Province Patentee before: ANHUI LIGHT ENERGY TECHNOLOGY RESEARCH INSTITUTE CO., LTD. |