CN201298750Y - Double-power-supply quick automatic switching device - Google Patents
Double-power-supply quick automatic switching device Download PDFInfo
- Publication number
- CN201298750Y CN201298750Y CNU2008201422956U CN200820142295U CN201298750Y CN 201298750 Y CN201298750 Y CN 201298750Y CN U2008201422956 U CNU2008201422956 U CN U2008201422956U CN 200820142295 U CN200820142295 U CN 200820142295U CN 201298750 Y CN201298750 Y CN 201298750Y
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- power
- automatic switching
- control system
- quick automatic
- switching device
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- 230000005284 excitation Effects 0.000 claims abstract description 10
- 239000004065 semiconductor Substances 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Control Of Eletrric Generators (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
A double-power-supply quick automatic switching device comprises a power grid and a generator set and is characterized in that semiconductor power valves are respectively connected between the power grid and a load bus and between the generator bus and the load bus. The semiconductor power valve adopts a component combining a non-return electronic power switch and a contactor. The generator set is controlled by a generator set control system, and the generator set control system mainly comprises 4 units of a measuring mechanism, a speed regulating system, an excitation regulating system and a generator set comprehensive control module. The device uses a diesel generating set as a standby power supply, and adopts the combination of a semiconductor power valve and a generating set control mechanism, thereby realizing the quasi-instantaneous undisturbed double-power-supply quick automatic switching.
Description
Technical field
The utility model relates to a kind of duplicate supply quick automatic switching device, belongs to the electrical devices technical field.
Background technology
The application of science and technology development and high-end precision equipment is had higher requirement to the quality of power supply and power supply continuity and reliability.Important places such as Aero-Space observing and controlling, aviation management, communication system, power plant, hospital are close to harshness to power supply reliability, and some military affairs and defense sector do not allow the power failure of 3-5ms substantially.In recent years, the computer extensive use, it is chaotic that of short duration power failure also will make the operation of computer take place, and makes the information of handling be destroyed or lose.
The factor that influences the transmission line safe operation is a lot, as the voltage transient that thunderbolt, bird pest, large capacity motor excise and startup, big capacity convertor assembly operation, power-factor compensator excision and input, thunder and lightning cause, fault trip of equipment or the like, only depend on mains-supplied, its reliability and quality all can not get ensureing, so stand-by power supply becomes requisite electric device.Extensively the stand-by power supply of operation has uninterrupted power supply (ups) Unity, emergency power supply (EPS) and double power supply automatic transfer switch (ATS) at present.UPS, EPS can accomplish continuous power supply, but are not suitable for military Field Operational by storage battery power supply; Though ATS can utilize generating set as stand-by power supply, ATS must could drop into after working power disappears, and a power failure process is always arranged, so utilize generating set to become the problem of needing solution badly as the apparatus for fast switching of stand-by power supply therebetween.
Summary of the invention
The purpose of this utility model is to provide a kind of duplicate supply quick automatic switching device, this installs with diesel generating set as stand-by power supply, adopt the semiconductor power valve to combine, realized that accurate moment do not have disturbance duplicate supply quick automatic switching with the generating set controlling organization.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions.
A kind of duplicate supply quick automatic switching device comprises electrical network, generating set, it is characterized in that, is connected with the semiconductor power valve respectively between described electrical network and load bus, generator bus and the load bus.
Described generating set is controlled by gen-set control system, and the measuring mechanism that gen-set control system mainly is made up of elements such as voltage transformer, current transformers, velocity-controlled system, excitation control system, 4 unit of generating set Comprehensive Control module are formed.
The assembly that described semiconductor power valve adopts the check electronic power switch to combine with contactor.
The utlity model has following useful technique effect:
1, adopt assembly that the check electronic power switch combines with contactor as the power circuit control valve, this power circuit control valve is the electronic switch between mains side and the load side, can improve the rapidity of break-make response, be again the valve device that prevents the power circuit reverse flow, it is used in combination has realized that accurate moment do not have disturbance duplicate supply quick automatic switching;
2, the application of diesel-generator set control system has realized the adjusting automatically in real time of oily machine Automatic Control and load.
Description of drawings
Fig. 1 is that the utility model circuit constitutes block diagram.
Fig. 2 is the utility model gen-set control system block diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is elaborated.
As shown in Figure 1, the utility model comprises electrical network, generating set, between electrical network and load bus, generator bus and load bus, be connected with the semiconductor power valve respectively, the assembly that described semiconductor power valve adopts the check electronic power switch to combine with contactor.
Diesel generating set is the stand-by power supply of electrical network, generating set control comprises controls rotational speed regulation, excitation regulation and the same period three parts, rotational speed regulation is used to control the meritorious trend of unit, excitation regulation is used to control the reactive power flow of unit, and the same period, control was used to realize the paired running of unit and electrical network.Gen-set control system block diagram described in the utility model as shown in Figure 2, it is formed and mainly to comprise following unit:
(1) measuring mechanism: form by elements such as voltage transformer, current transformers, the state information when being mainly control system unit operation being provided, control system is monitored the running status of unit in real time, it is made corresponding adjustment by performer in good time;
(2) velocity-controlled system: before the paired running, the output frequency of genset speed regulator generator; Be used to control the meritorious trend output of unit during paired running, the output of velocity-controlled system will directly connect the Throttle Opening Control electric actuator of diesel engine;
(3) excitation control system: before the paired running, the output voltage of excitation control system regulator generator; Be used to control the reactive power flow output of unit during paired running, the output of excitation control system will connect the magnet exciting coil of generator;
(4) generating set Comprehensive Control module: generator Comprehensive Control module is the arithmetic element that diesel speed is regulated and generator excitation is regulated, it provides voltage reference signal to excitation control system, the reasonable control system field-forcing of moment that breaks down guarantees the voltage levvl of unit output when improving the unit transient stability.
More than be a specific embodiment of the present utility model, all unsubstantialities of doing according to technical solutions of the utility model improve, and when the function that is produced does not exceed the scope of technical solutions of the utility model, all belong to protection range of the present utility model.
Claims (3)
1, a kind of duplicate supply quick automatic switching device comprises electrical network, generating set, it is characterized in that, is connected with the semiconductor power valve respectively between described electrical network and load bus, generator bus and the load bus.
2, duplicate supply quick automatic switching device according to claim 1, it is characterized in that, described generating set is controlled by gen-set control system, and the measuring mechanism that gen-set control system mainly is made up of elements such as voltage transformer, current transformers, velocity-controlled system, excitation control system, 4 unit of generating set Comprehensive Control module are formed.
3, duplicate supply quick automatic switching device according to claim 1 is characterized in that, the assembly that described semiconductor power valve adopts the check electronic power switch to combine with contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201422956U CN201298750Y (en) | 2008-10-09 | 2008-10-09 | Double-power-supply quick automatic switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201422956U CN201298750Y (en) | 2008-10-09 | 2008-10-09 | Double-power-supply quick automatic switching device |
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| Publication Number | Publication Date |
|---|---|
| CN201298750Y true CN201298750Y (en) | 2009-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201422956U Expired - Fee Related CN201298750Y (en) | 2008-10-09 | 2008-10-09 | Double-power-supply quick automatic switching device |
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| Country | Link |
|---|---|
| CN (1) | CN201298750Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095907A (en) * | 2010-12-14 | 2011-06-15 | 广东雅达电子股份有限公司 | Electric energy meter capable of automatically switching different power supplies |
| CN102108527A (en) * | 2009-12-23 | 2011-06-29 | 贵阳铝镁设计研究院 | Method and system for supplying power to large aluminum electrolytic plant |
| CN104993581A (en) * | 2015-08-06 | 2015-10-21 | 国家电网公司 | Low-voltage power supply backup automatic switching device |
| CN105089996A (en) * | 2014-05-06 | 2015-11-25 | 国网山东省电力公司潍坊供电公司 | Dual-in dual-out control device |
| CN105914873A (en) * | 2016-06-30 | 2016-08-31 | 上海艾临科智能科技有限公司 | Two-way power supply automatic conversion device and conversion method |
| CN107919725A (en) * | 2017-11-16 | 2018-04-17 | 陕西航空电气有限责任公司 | A kind of airplane power source control box using Interleaved control configuration |
-
2008
- 2008-10-09 CN CNU2008201422956U patent/CN201298750Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108527A (en) * | 2009-12-23 | 2011-06-29 | 贵阳铝镁设计研究院 | Method and system for supplying power to large aluminum electrolytic plant |
| CN102108527B (en) * | 2009-12-23 | 2014-03-26 | 贵阳铝镁设计研究院有限公司 | Method and system for supplying power to large aluminum electrolytic plant |
| CN102095907A (en) * | 2010-12-14 | 2011-06-15 | 广东雅达电子股份有限公司 | Electric energy meter capable of automatically switching different power supplies |
| CN105089996A (en) * | 2014-05-06 | 2015-11-25 | 国网山东省电力公司潍坊供电公司 | Dual-in dual-out control device |
| CN104993581A (en) * | 2015-08-06 | 2015-10-21 | 国家电网公司 | Low-voltage power supply backup automatic switching device |
| CN105914873A (en) * | 2016-06-30 | 2016-08-31 | 上海艾临科智能科技有限公司 | Two-way power supply automatic conversion device and conversion method |
| CN105914873B (en) * | 2016-06-30 | 2019-01-04 | 上海艾临科智能科技有限公司 | Double loop power supply automatic transfer equipment and conversion method |
| CN107919725A (en) * | 2017-11-16 | 2018-04-17 | 陕西航空电气有限责任公司 | A kind of airplane power source control box using Interleaved control configuration |
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| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Li Baoqing Document name: Notification of patent rights granted to utility models and formalities for registration |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20101009 |