CN105071523A - Power supply method of three-phase uninterruptable power supply (UPS) - Google Patents
Power supply method of three-phase uninterruptable power supply (UPS) Download PDFInfo
- Publication number
- CN105071523A CN105071523A CN201510473578.3A CN201510473578A CN105071523A CN 105071523 A CN105071523 A CN 105071523A CN 201510473578 A CN201510473578 A CN 201510473578A CN 105071523 A CN105071523 A CN 105071523A
- Authority
- CN
- China
- Prior art keywords
- power supply
- phase
- power
- alternating current
- ups
- 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.)
- Pending
Links
Landscapes
- Inverter Devices (AREA)
Abstract
The invention discloses a power supply method of a three- phase uninterruptable power supply (UPS). The power supply method comprises the following steps of: 1) constructing a backup power supply hardware system for implementing the power supply method of the three-phase UPS on a three-phase power supply system of a backup power supply; 2) debugging the constructed backup power supply hardware system, and testing whether the system can normally provide a three-phase backup power supply in identification; 3) inversing a direct current power supply; 4) raising the voltage of an inverted power supply to obtain three-phase alternating current with the voltage of 220v; and 5) switching the inverted power supply and the normal three-phase power supply to supply power. By the power supply method, the three-phase UPS can be effectively used for timely supplying power in an abnormal condition, and an outage phenomenon is prevented from occurring in the whole three-phase power supply system so as to affect system running.
Description
Technical field
The present invention relates to three phase supply technical field, specifically, is a kind of three-phase ups power method of supplying power to.
Background technology
In large-scale power supply system, often will use three-phase power supply system, and adopt three live wires to power, magnitude of voltage is between the lines 380v; Phase voltage (voltage between live wire and zero line) is 220v, and along with adopting increasing of the system of three phase supply, three-phase ups power is also an indispensable part, and how effectively utilizing three-phase ups power to carry out power supply is be the most important thing.
Summary of the invention
The object of the invention is to design a kind of three-phase ups power method of supplying power to, the timely power supply under effectively utilizing three-phase ups power to carry out abnormal conditions, makes whole three-phase power supply system there will not be circut breaking, influential system operation.
The present invention is achieved through the following technical solutions: a kind of three-phase ups power method of supplying power to, comprises the following steps:
1) the back-up source hardware system for realizing three-phase ups power method of supplying power to is built the three-phase power supply system at back-up source to be used;
2) the back-up source hardware system put up is debugged, test its identity and can normally provide three-phase back-up source;
3) DC power supply inversion;
4) inverter boosts phase voltage is 220v three-phase alternating current;
5) switching of inverter and normal three phase mains is powered.
Further to better implement the present invention, the inversion of described step 3) DC power supply comprises following concrete steps:
3-1) DC power supply, described DC power supply comprises conversion DC power supply and preset DC power supply, and described conversion DC power supply is, three-phase mains is transformed to 110v DC power supply by half-bridge or full-bridge rectifier filter device; The 110v/220v DC power supply of described prefabricated DC power supply set by three-phase power supply system self;
3-2) current limliting, described 110v DC power supply or 110v/220v DC power supply are through current-limiting circuit current limliting and unified step-down carries out inversion in order to inverter after being 110v current limliting direct current;
3-3) anti-electromagnetic interference, through step 3-2) after, utilize anti-electromagnetic interference buffer circuit that 110v current limliting direct current is carried out electromagnetic interference signal isolation;
110v current limliting DC inverter after electromagnetic interference signal isolation is 110v alternating current by 3-4) inversion.
Further to better implement the present invention, the concrete grammar of described step 4) is: utilize inversion isolating transformer by the boosting of 110v alternating current for phase voltage is 220v three-phase alternating current.
Further to better implement the present invention, before carrying out described step 5), be also provided with low-pass filtering step, described low-pass filtering step is be high frequency harmonic signals filtering in 220v three-phase alternating current by phase voltage.
Further to better implement the present invention, the concrete grammar of described step 5) is, the phase voltage after filtering high frequency harmonic signals is supply three-phase power supply system after 220v three-phase alternating current and normal three phase mains utilize diverter switch to switch.
Further to better implement the present invention, also comprise isolation step, described isolation step is, after diverter switch switches, adopts isolating device to be that 220v three-phase alternating current or normal three phase mains are transferred in three-phase power supply system by the phase voltage after filtering high frequency harmonic signals.
The present invention compared with prior art, has the following advantages and beneficial effect:
Timely power supply under the present invention can effectively utilize three-phase ups power to carry out abnormal conditions, makes whole three-phase power supply system there will not be circut breaking, influential system operation.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
A kind of three-phase ups power method of supplying power to, comprises the following steps:
1) the back-up source hardware system for realizing three-phase ups power method of supplying power to is built the three-phase power supply system at back-up source to be used;
2) the back-up source hardware system put up is debugged, test its identity and can normally provide three-phase back-up source;
3) DC power supply inversion;
4) inverter boosts phase voltage is 220v three-phase alternating current;
5) switching of inverter and normal three phase mains is powered.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, and further to better implement the present invention, the inversion of described step 3) DC power supply comprises following concrete steps:
3-1) DC power supply, described DC power supply comprises conversion DC power supply and preset DC power supply, and described conversion DC power supply is, three-phase mains is transformed to 110v DC power supply by half-bridge or full-bridge rectifier filter device; The 110v/220v DC power supply of described prefabricated DC power supply set by three-phase power supply system self;
3-2) current limliting, described 110v DC power supply or 110v/220v DC power supply are through current-limiting circuit current limliting and unified step-down carries out inversion in order to inverter after being 110v current limliting direct current;
3-3) anti-electromagnetic interference, through step 3-2) after, utilize anti-electromagnetic interference buffer circuit that 110v current limliting direct current is carried out electromagnetic interference signal isolation;
110v current limliting DC inverter after electromagnetic interference signal isolation is 110v alternating current by 3-4) inversion.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, and further to better implement the present invention, the concrete grammar of described step 4) is: utilize inversion isolating transformer by the boosting of 110v alternating current for phase voltage is 220v three-phase alternating current.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further to better implement the present invention, before carrying out described step 5), be also provided with low-pass filtering step, described low-pass filtering step is be high frequency harmonic signals filtering in 220v three-phase alternating current by phase voltage.
Embodiment 5:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further to better implement the present invention, the concrete grammar of described step 5) is, the phase voltage after filtering high frequency harmonic signals is supply three-phase power supply system after 220v three-phase alternating current and normal three phase mains utilize diverter switch to switch.
Enter embodiment 6:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, one step to better implement the present invention, also comprise isolation step, described isolation step is, after diverter switch switches, isolating device is adopted to be that 220v three-phase alternating current or normal three phase mains are transferred in three-phase power supply system by the phase voltage after filtering high frequency harmonic signals.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (6)
1. a three-phase ups power method of supplying power to, is characterized in that: comprise the following steps:
1) the back-up source hardware system for realizing three-phase ups power method of supplying power to is built the three-phase power supply system at back-up source to be used;
2) the back-up source hardware system put up is debugged, test its identity and can normally provide three-phase back-up source;
3) DC power supply inversion;
4) inverter boosts phase voltage is 220v three-phase alternating current;
5) switching of inverter and normal three phase mains is powered.
2. a kind of three-phase ups power method of supplying power to according to claim 1, is characterized in that: the inversion of described step 3) DC power supply comprises following concrete steps:
3-1) DC power supply, described DC power supply comprises conversion DC power supply and preset DC power supply, and described conversion DC power supply is, three-phase mains is transformed to 110v DC power supply by half-bridge or full-bridge rectifier filter device; The 110v/220v DC power supply of described prefabricated DC power supply set by three-phase power supply system self;
3-2) current limliting, described 110v DC power supply or 110v/220v DC power supply are through current-limiting circuit current limliting and unified step-down carries out inversion in order to inverter after being 110v current limliting direct current;
3-3) anti-electromagnetic interference, through step 3-2) after, utilize anti-electromagnetic interference buffer circuit that 110v current limliting direct current is carried out electromagnetic interference signal isolation;
110v current limliting DC inverter after electromagnetic interference signal isolation is 110v alternating current by 3-4) inversion.
3. a kind of three-phase ups power method of supplying power to according to claim 2, is characterized in that: the concrete grammar of described step 4) is: utilize inversion isolating transformer by the boosting of 110v alternating current for phase voltage is 220v three-phase alternating current.
4. a kind of three-phase ups power method of supplying power to according to claim 3, it is characterized in that: before carrying out described step 5), be also provided with low-pass filtering step, described low-pass filtering step is be high frequency harmonic signals filtering in 220v three-phase alternating current by phase voltage.
5. a kind of three-phase ups power method of supplying power to according to claim 4, it is characterized in that: the concrete grammar of described step 5) is, the phase voltage after filtering high frequency harmonic signals is supply three-phase power supply system after 220v three-phase alternating current and normal three phase mains utilize diverter switch to switch.
6. a kind of three-phase ups power method of supplying power to according to claim 5, it is characterized in that: also comprise isolation step, described isolation step is, after diverter switch switches, isolating device is adopted to be that 220v three-phase alternating current or normal three phase mains are transferred in three-phase power supply system by the phase voltage after filtering high frequency harmonic signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510473578.3A CN105071523A (en) | 2015-08-05 | 2015-08-05 | Power supply method of three-phase uninterruptable power supply (UPS) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510473578.3A CN105071523A (en) | 2015-08-05 | 2015-08-05 | Power supply method of three-phase uninterruptable power supply (UPS) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105071523A true CN105071523A (en) | 2015-11-18 |
Family
ID=54500834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510473578.3A Pending CN105071523A (en) | 2015-08-05 | 2015-08-05 | Power supply method of three-phase uninterruptable power supply (UPS) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105071523A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360381A (en) * | 2000-12-22 | 2002-07-24 | 广东志成冠军电子实业有限公司 | High-capacity UPS |
| CN201374571Y (en) * | 2008-12-29 | 2009-12-30 | 北京中创瑞普科技有限公司 | Online UPS |
| CN202663185U (en) * | 2012-07-09 | 2013-01-09 | 佛山市柏克新能科技股份有限公司 | Series-parallel UPS (Uninterrupted Power Supply) with single inverter |
| US20130015704A1 (en) * | 2011-07-13 | 2013-01-17 | National Tsing Hua University | Uninterruptible power supply |
| CN104410318A (en) * | 2014-12-17 | 2015-03-11 | 安徽启光能源科技研究院有限公司 | Inversion and rectification integrated power conversion circuit |
-
2015
- 2015-08-05 CN CN201510473578.3A patent/CN105071523A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360381A (en) * | 2000-12-22 | 2002-07-24 | 广东志成冠军电子实业有限公司 | High-capacity UPS |
| CN201374571Y (en) * | 2008-12-29 | 2009-12-30 | 北京中创瑞普科技有限公司 | Online UPS |
| US20130015704A1 (en) * | 2011-07-13 | 2013-01-17 | National Tsing Hua University | Uninterruptible power supply |
| CN202663185U (en) * | 2012-07-09 | 2013-01-09 | 佛山市柏克新能科技股份有限公司 | Series-parallel UPS (Uninterrupted Power Supply) with single inverter |
| CN104410318A (en) * | 2014-12-17 | 2015-03-11 | 安徽启光能源科技研究院有限公司 | Inversion and rectification integrated power conversion circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104821652A (en) | Industrial power supply ups system | |
| CN204905858U (en) | Flexible control ground connection arc extinction device of distribution network zero -sequence voltage | |
| CN203352454U (en) | Voltage-type high-frequency constant current source | |
| CN203312900U (en) | Seamless switching purifying power supply device | |
| CN203617778U (en) | Multifunctional emergency power supply system | |
| CN205992784U (en) | A kind of DC uninterrupted electric power system for DC load | |
| CN103219795A (en) | High-voltage and high-power uninterruptible power supply device | |
| CN204615497U (en) | Industrial power supply ups system | |
| CN104407300B (en) | UPS battery detection method | |
| CN105680557B (en) | A kind of dual power supply switching control circuit of CEMS | |
| CN204425028U (en) | A kind of large-sized DC uninterruptible power system | |
| CN204316175U (en) | Uninterruption power source | |
| CN204012651U (en) | A kind of direct current leakage protection circuit | |
| CN105071523A (en) | Power supply method of three-phase uninterruptable power supply (UPS) | |
| CN207732508U (en) | A kind of ups system | |
| CN203301140U (en) | Transformer direct-current magnetic bias suppression device | |
| CN104269842A (en) | Direct-current supply device of control system | |
| CN103904773B (en) | The shunting device of controller switching equipment and the control method of distribution network | |
| CN204376525U (en) | A kind of emergency supply circuit | |
| CN203062056U (en) | Over-voltage under-voltage detection-protection circuit of inverter welding machine | |
| CN203457385U (en) | Emergency lamp centralized control device | |
| CN201815777U (en) | Power circuit of generator power supply inverter type arc welding machine | |
| CN202276189U (en) | Control power supply dual-channel power supplying device for high voltage inverter | |
| CN203522319U (en) | Large-current DC double-power-supply switching device | |
| CN104143811A (en) | Direct-current electric leakage protection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151118 |
|
| RJ01 | Rejection of invention patent application after publication |