CN204947718U - A kind of mirror field, solar energy thermal-power-generating station electric supply installation - Google Patents

A kind of mirror field, solar energy thermal-power-generating station electric supply installation Download PDF

Info

Publication number
CN204947718U
CN204947718U CN201520771750.9U CN201520771750U CN204947718U CN 204947718 U CN204947718 U CN 204947718U CN 201520771750 U CN201520771750 U CN 201520771750U CN 204947718 U CN204947718 U CN 204947718U
Authority
CN
China
Prior art keywords
power
mirror field
solar energy
energy thermal
supply installation
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
Application number
CN201520771750.9U
Other languages
Chinese (zh)
Inventor
朱小利
唐华
张朝阳
沈坚
杨月红
周爽
王莹玉
杨小平
李磊
孙瑞强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northwest Electric Power Design Institute of China Power Engineering Consulting Group
Northeast Electric Power Design Institute of China Power Engineering Consulting Group
Original Assignee
Northwest Electric Power Design Institute of China Power Engineering Consulting Group
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Northwest Electric Power Design Institute of China Power Engineering Consulting Group filed Critical Northwest Electric Power Design Institute of China Power Engineering Consulting Group
Priority to CN201520771750.9U priority Critical patent/CN204947718U/en
Application granted granted Critical
Publication of CN204947718U publication Critical patent/CN204947718U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies

Landscapes

  • Inverter Devices (AREA)

Abstract

The utility model discloses mirror field, a kind of solar energy thermal-power-generating station electric supply installation, the ac power supply apparatus, continuous-current plant and the automatic power changer-over switch that comprise controller and be connected with controller respectively by data/address bus, automatic power changer-over switch is connected to frequency converter, inverter output terminal is connected with feeder line screen, and feeder line screen is connected with load mirror field condenser servomotor.By digital nonshared control unit, monitor and forecast is carried out to AC power and DC power supply, when AC power exceedes set point extremely, controller sends switching command, to DC side be switched power supply in official hour, be continued to power to mirror field servomotor through frequency converter by inverter by direct current system, ensure when whole audience dead electricity, the timely astigmatism of mirror field condenser, avoid endothermic tube because of working medium stopping circulation after dead electricity, condenser still focuses on, and burns the accident of thermal-collecting tube.

Description

A kind of mirror field, solar energy thermal-power-generating station electric supply installation
Technical field
The utility model belongs to power supply, control field, is specifically related to mirror field, solar energy thermal-power-generating station electric supply installation.
Background technology
Solar energy thermal-power-generating station Jing Chang is generally powered by special ups power in station.When full station dead electricity, carry storage battery or special DC means of power by UPS.During full station dead electricity; because the working medium in heat dump does not circulate because of dead electricity; if the light-resource fousing of the condenser of One's name is legion does not scatter; the temperature of the heat dump be on focal position then can be caused to rise fast and burn out heat dump thermal-collecting tube; therefore need condenser servomotor in action rapidly in such cases; light source is scattered, to protect thermal-collecting tube.
Along with the increase of solar energy thermal-power-generating station capacity, the quantity of mirror field condenser also gets more and more, and the place shared by condenser also gets more and more, and the capacity of required UPS becomes large, and quantity becomes many, and the gross investment of UPS equipment will be multiplied.In addition because the servomotor of the condenser of substantial amounts starts simultaneously, will require that the starting capacity that UPS provides increases considerably, cause UPS overload operation in short-term, voltage drop, the start-up time of motor lengthens, and even can burn UPS or servomotor, jeopardize the safety of power station equipment.
Therefore, improve the reliability of mirror field electric power system, reduce the investment of mirror field electric power system, solar energy thermal-power-generating station is significant.
Utility model content
The purpose of this utility model is to overcome the shortcoming existed in above-mentioned prior art, provides mirror field, a kind of solar energy thermal-power-generating station electric supply installation, has stability high, the advantage that operating cost is low.
For achieving the above object, the utility model adopts following technical scheme:
A kind of mirror field, solar energy thermal-power-generating station electric supply installation, the ac power supply apparatus, continuous-current plant and the automatic power changer-over switch that comprise controller and be connected with controller respectively by data/address bus, automatic power changer-over switch is connected to frequency converter, inverter output terminal is connected with feeder line screen, and feeder line screen is connected with load mirror field condenser servomotor.
Further, described continuous-current plant comprises the circuit breaker CB02 be connected with DC loop input power, circuit breaker CB02 rear end is connected with backward diode, inverter and isolating transformer in turn, and isolating transformer is connected with the SW2 switch of automatic power switching device shifter.
Further, inverter is also connected with storage battery.
Further, the input voltage of DC loop is 220V.
Further, ac power supply apparatus comprises the circuit breaker CB01 be connected with the input power of alternating current circuit, and circuit breaker CB01 is connected with the SW1 switch of automatic power switching device shifter.
Further, the input voltage of alternating current circuit is 380V, frequency 50Hz.
Further, frequency converter is also provided with distant place control command input interface.
Further, described frequency converter is voltage-source type low voltage frequency converter.
Further, switch disconnector is provided with between frequency converter and load mirror field condenser servomotor.
Compared with prior art, the utility model has following useful technique effect:
A kind of mirror field, solar energy thermal-power-generating station of the utility model electric supply installation, by arranging numeric type controller, by the current intelligence of controller Real-time Collection alternating current input power supplying and continuous-current plant, when AC power exceedes set point extremely, controller sends switching command, DC side will be switched power supply in official hour, continued to power to mirror field servomotor through frequency converter by inverter by direct current system, ensure when whole audience dead electricity, the timely astigmatism of mirror field condenser, avoid endothermic tube because of working medium stopping circulation after dead electricity, condenser still focuses on, burn the accident of thermal-collecting tube, this device can realize ac power supply apparatus and continuous-current plant quick, accurately switch, owing to have employed frequency converter, the starting current of servomotor is lower than the direct starting current of motor, be conducive to the capacity reducing ac power supply apparatus, continuous-current plant and inverter, avoid and strengthen direct current system capacity and capacity of short circuit because of starting problem, reduce the investment of whole direct current system and the utility model device, less at the harmonic wave in electric motor starting stage, meet the requirement of the quality of power supply, motor and electrical network are not impacted.Thus improve the stability of device, reduce operating cost.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in the figure, a kind of mirror field, solar energy thermal-power-generating station electric supply installation, the ac power supply apparatus, continuous-current plant and the automatic power changer-over switch that comprise numeric type controller and be connected with controller respectively by data/address bus, automatic power changer-over switch is connected to frequency converter, inverter output terminal is connected with feeder line screen, and feeder line screen is connected with load mirror field condenser servomotor.
Wherein continuous-current plant comprises the circuit breaker CB02 be connected with DC loop input power, circuit breaker rear end is connected with backward diode connection, inverter, isolating transformer in turn, inverter is also connected with storage battery, DC supply is through circuit breaker CB02 or provide continuous-current plant by storage battery to inverter, continuous-current plant to the automatic power changer-over switch being arranged at stand-by power supply position, then delivers to inverter input by inverter, isolation transmit; Isolating transformer is connected with the SW2 switch of automatic power switching device shifter; The input voltage of DC loop is 220V;
Ac power supply apparatus comprises the circuit breaker CB01 be connected with the input power of alternating current circuit, connect alternate current operation inlet wire and be connected to inverter input through circuit breaker CB01 and the automatic power switching device shifter being arranged at working power position, the input voltage of alternating current circuit is 380V, frequency 50Hz;
Controller comprises display, input, output, control, interlocking and data bus transmission function; Frequency converter is also provided with distant place control command input interface; Switch disconnector is provided with between frequency converter and load mirror field condenser servomotor; Described frequency converter is voltage-source type low voltage frequency converter;
Below in conjunction with accompanying drawing, structural principle of the present utility model and use step are described further:
As shown in Figure 1, when in standing, power supply is normal, powered by ac power supply apparatus in station, by circuit breaker CB01 by automatic power changer-over switch SW1 position, through inverter supply to condenser servomotor, DC loop and circuit breaker CB02 connect, once interchange dead electricity, system automatically switches to continuous-current plant and powers, and switching time is less than 2s, ensures servomotor action.Recover if exchanged, system automatically or a distant place be manually switched to ac power supply apparatus and power.
Controller monitors whole power supply, and time normal, AC and DC supply unit is all connected, and automatic power changer-over switch is positioned at work SW1 position.When ac power supply apparatus loses, send instruction by controller, automatic power changer-over switch automatically switches to spare space SW2, by continuous-current plant through inverter isolation transmit to frequency converter, power to servomotor.When ac power supply apparatus recovers, system automatic or manual is switched to Alternating Current Power Supply.
Above content is the further description done the utility model scheme in conjunction with concrete preferred implementation; can not assert that the embodiment of the utility model scheme is only limitted to this; for the utility model scheme person of an ordinary skill in the technical field; under the prerequisite not departing from the utility model plan plot; some simple deduction or replace can also be made, all should be considered as belonging to the utility model by submitted to claims determination scope of patent protection.

Claims (9)

1. mirror field, solar energy thermal-power-generating station electric supply installation, it is characterized in that, the ac power supply apparatus, continuous-current plant and the automatic power changer-over switch that comprise controller and be connected with controller respectively by data/address bus, automatic power changer-over switch is connected to frequency converter, inverter output terminal is connected with feeder line screen, and feeder line screen is connected with load mirror field condenser servomotor.
2. mirror field, a kind of solar energy thermal-power-generating station according to claim 1 electric supply installation, it is characterized in that, described continuous-current plant comprises the circuit breaker CB02 be connected with DC loop input power, circuit breaker CB02 rear end is connected with backward diode, inverter and isolating transformer in turn, and isolating transformer is connected with the SW2 switch of automatic power switching device shifter.
3. mirror field, a kind of solar energy thermal-power-generating station according to claim 2 electric supply installation, it is characterized in that, inverter is also connected with storage battery.
4. mirror field, a kind of solar energy thermal-power-generating station according to claim 2 electric supply installation, is characterized in that, the input voltage of DC loop is 220V.
5. mirror field, a kind of solar energy thermal-power-generating station according to claim 1 electric supply installation, it is characterized in that, ac power supply apparatus comprises the circuit breaker CB01 be connected with the input power of alternating current circuit, and circuit breaker CB01 is connected with the SW1 switch of automatic power switching device shifter.
6. mirror field, a kind of solar energy thermal-power-generating station according to claim 5 electric supply installation, is characterized in that, the input voltage of alternating current circuit is 380V, frequency 50Hz.
7. mirror field, a kind of solar energy thermal-power-generating station according to claim 1 electric supply installation, is characterized in that, frequency converter is also provided with distant place control command input interface.
8. mirror field, a kind of solar energy thermal-power-generating station electric supply installation according to claim 1 or 7, it is characterized in that, described frequency converter is voltage-source type low voltage frequency converter.
9. mirror field, a kind of solar energy thermal-power-generating station according to claim 1 electric supply installation, is characterized in that, is provided with switch disconnector between frequency converter and load mirror field condenser servomotor.
CN201520771750.9U 2015-09-30 2015-09-30 A kind of mirror field, solar energy thermal-power-generating station electric supply installation Active CN204947718U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520771750.9U CN204947718U (en) 2015-09-30 2015-09-30 A kind of mirror field, solar energy thermal-power-generating station electric supply installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520771750.9U CN204947718U (en) 2015-09-30 2015-09-30 A kind of mirror field, solar energy thermal-power-generating station electric supply installation

Publications (1)

Publication Number Publication Date
CN204947718U true CN204947718U (en) 2016-01-06

Family

ID=55015107

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520771750.9U Active CN204947718U (en) 2015-09-30 2015-09-30 A kind of mirror field, solar energy thermal-power-generating station electric supply installation

Country Status (1)

Country Link
CN (1) CN204947718U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107302258A (en) * 2017-06-09 2017-10-27 天津滨海光热跟踪技术有限公司 It is a kind of have promptly defocus ups system in the slot type fused salt cabinet of function
CN108462250A (en) * 2018-01-31 2018-08-28 株洲中车时代电气股份有限公司 A kind of more power supplys for crossing split-phase electronic switch take can circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107302258A (en) * 2017-06-09 2017-10-27 天津滨海光热跟踪技术有限公司 It is a kind of have promptly defocus ups system in the slot type fused salt cabinet of function
CN108462250A (en) * 2018-01-31 2018-08-28 株洲中车时代电气股份有限公司 A kind of more power supplys for crossing split-phase electronic switch take can circuit

Similar Documents

Publication Publication Date Title
CN202535258U (en) Bus capacitor discharging circuit of photovoltaic inverter
CN202798128U (en) Independent photovoltaic power supply system with self-starting function
CN103944227B (en) A kind of online active inversion discharge system for storage batteries of transformer substation
CN104600831A (en) Inverter auxiliary power supply system and method
CN202906774U (en) High-power photovoltaic inverter with automatic power-off auxiliary power supply circuit
CN204947718U (en) A kind of mirror field, solar energy thermal-power-generating station electric supply installation
CN102810902B (en) Household hybrid power supply management system and power supply management method
CN103683435A (en) Voltage stabilizing frequency stabilizing uninterruptible power supply (UPS) and intelligent charging integrated method for mobile power supply
CN103683442A (en) An emergency power supply device with an independent safe voltage and a working method thereof
CN203312829U (en) Inverter capable of smoothly switching between grid-off mode and grid-connected mode
CN103368249B (en) The system and method that a kind of uninterrupted power supply is powered
CN105703383A (en) Power control system and working method thereof
CN204809905U (en) Integration portable solar energy system
CN117048401A (en) Auxiliary loop power supply system based on small light storage inverter and control method
CN205791774U (en) High efficiency uninterrupted power supply(ups)
CN203339768U (en) Backup energy storage power supply for photovoltaic and mains supply complementary input
CN203219171U (en) Instantaneous power-fail protection device for mine high-voltage frequency converter
CN206533188U (en) A kind of FTU power source specials
CN202798015U (en) Inversion, feedback and discharging integrated device
CN102420456A (en) Power supply system for photovoltaic grid-connected inverter
CN103368253B (en) Intelligent back-up source duty control method and system
CN204089327U (en) A kind of centralized power category emergency power system
CN201450358U (en) Emergency mobile direct current supply device
CN203827059U (en) Solar photovoltaic generating and commercial power complementation control inversion unity machine
CN203788008U (en) DC stand-by power supply of remote communication device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant