CN104767468A - Solar server control system and method - Google Patents

Solar server control system and method Download PDF

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Publication number
CN104767468A
CN104767468A CN201510133341.0A CN201510133341A CN104767468A CN 104767468 A CN104767468 A CN 104767468A CN 201510133341 A CN201510133341 A CN 201510133341A CN 104767468 A CN104767468 A CN 104767468A
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CN
China
Prior art keywords
electric energy
server machine
solar
battery pack
power supply
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Pending
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CN201510133341.0A
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Chinese (zh)
Inventor
王合球
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OULUTONG ELECTRONIC CO Ltd SHENZHEN
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OULUTONG ELECTRONIC CO Ltd SHENZHEN
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Priority to CN201510133341.0A priority Critical patent/CN104767468A/en
Publication of CN104767468A publication Critical patent/CN104767468A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381Dispersed generators
    • H02J3/382Dispersed generators the generators exploiting renewable energy
    • H02J3/383Solar energy, e.g. photovoltaic energy
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • 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
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

Abstract

The invention relates to a solar server control system and method. The system comprises a solar power generation module, a direct-current power supply, an alternating-current power supply, a battery pack and a server cabinet set. The solar power generation module generates first electric energy and judges whether the first electric energy is larger than the total electric energy required for the server cabinet set and the battery pack or not; if the first electric energy is larger than the total electric energy required for the server cabinet set and the battery pack, the first electric energy is converted into stable and constant direct-current electric energy through the direct-current power supply to be supplied to the server cabinet set and charge the battery pack, and redundant electric energy is output to a power grid to be supplied to other server cabinets; if the first electric energy is not larger than the total electric energy required for the server cabinet set and the battery pack, the direct-current power supply supplies power to the server cabinet set, and the battery pack is charged if the voltage of the redundant electric energy meets the charging voltage of the battery pack; if the first electricity is smaller than the electric energy required for the server cabinet set, the direct-current power supply supplies power to the server cabinet set, and the insufficient part is supplied through battery pack discharge or by converting alternating current output by the power grid into stable and constant direct current. By means of the method and the device, electric energy generated through solar power generation is fully utilized, and the solar energy utilization rate is increased.

Description

A kind of solar energy server control system and method
Technical field
The present invention relates to field of solar energy utilization, more particularly, relate to a kind of solar energy server control system and method.
Background technology
Along with the development of science and technology, the consumption of the energy is increasing, but tellurian non-renewable energy is limited, and sending out to open and directly causing environmental pollution and climate change with utilizing of non-renewable energy, the future trouble and disaster that can not estimate is brought to the mankind.The utilization of new forms of energy thus become imperative, and great advantage is there is and utilizes space in solar energy as the application of new forms of energy: being 1. radiated at tellurian solar energy very huge, is inexhaustible, the nexhaustible energy; 2. solar energy is the energy of absolute cleanliness, can not cause any pollution; 3. solar energy is not by the restriction of resource distribution region, can generate electricity nearby and utilize; The advantages such as 4. energy quality is high, and the time that the acquisition energy spends is short make solar energy become the focus of development in science and technology.But because the impact of climate, day-night change, the utilance of solar energy is low, makes too much solar energy be wasted.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of solar energy server control system and the method that can improve solar energy utilization ratio.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of solar energy server control system, comprise solar power generation module, also comprise DC power supply, AC power, battery pack and server machine group, described server machine group comprises at least one server cabinet;
Described solar power generation module, be connected with described DC power supply, for converting solar energy into the first electric energy and judging whether described first electric energy is greater than electric energy summation needed for electric energy needed for described server machine group and described batteries charging, if not, then export described first electric energy to described DC power supply, if, then export remaining second electric energy after removing electric energy needed for electric energy needed for described server machine group and described batteries charging in described first electric energy to electrical network, and export remaining 3rd electric energy after described second electric energy of described first electric energy removing to described DC power supply,
Described DC power supply, be connected with described server machine group and described battery pack respectively, for receiving the electric energy of described solar power generation module output and being converted into the 4th electric energy of constant-direct current and judging whether described 4th electric energy is greater than electric energy needed for described server machine group, if not, then export described 4th electric energy to described server machine group, if, then export the 6th electric energy needed for server machine group described in described 4th electric energy to described server machine group, and whether the voltage of remaining 5th electric energy meets the voltage that described batteries charging requires after judging described 6th electric energy of described 4th electric energy removing, if, then export described 5th electric energy to described battery pack,
Described AC power, is connected with described electrical network, described battery pack and described server machine group, is converted into the 7th electric energy of constant-direct current and exports described battery pack and described server machine group to for the electric energy that receives from described electrical network;
Described server machine group, be connected with described battery pack and described AC power respectively, receiving electric energy that described DC power supply exports and judging whether the electric energy that described DC power supply exports is less than electric energy needed for described server machine group, if so, the electric energy of described battery pack or the output of described AC power is then received.
Preferably, described batteries charging required voltage is 250-400Vdc.
Preferably, described DC power supply is high-voltage DC power supply.
Preferably, described solar energy server control system also comprises inverter, described inverter is connected with described solar power generation module and described electrical network respectively, and the second electric energy inversion for described solar power generation module being exported is the 8th electric energy exchanged, and exports electrical network to.
Preferably, described DC power supply comprises dc-dc and the second judging unit,
Described dc-dc, for receiving the electric energy of described solar power generation module output and being converted into described 4th electric energy output;
Described second judging unit, be connected with described dc-dc, for judging whether described 4th electric energy is greater than electric energy needed for described server machine group, if not, then export described 4th electric energy to described server machine group, if so, then export described 6th electric energy to described server machine group, and export described 5th electric energy to described battery pack when judging that the voltage of described 5th electric energy meets described batteries charging required voltage.
Preferably, described solar power generation module comprises generator unit and the first judging unit;
Described generator unit, export for converting solar energy into described first electric energy, described first electric energy is non-constant direct current;
Described first judging unit, be connected with described generator unit, described DC power supply and described inverter, for judging whether described first electric energy is greater than electric energy summation needed for described server machine group and described batteries charging, if, then export described second electric energy to electrical network, and export described 3rd electric energy to described DC power supply, if not, then export described first electric energy to described DC power supply.
Preferably, described solar power generation module also comprises MPPT controller, and described MPPT controller is connected with described generator unit, exports electric energy for controlling described generator unit with peak power output.
The present invention also provides a kind of solar energy server control method, comprises the steps:
A. solar power generation module converts solar energy into the first electric energy and judges whether described first electric energy is greater than electric energy summation needed for electric energy needed for described server machine group and described batteries charging, if so, then performs step B, if not, then performs step C;
B. described solar power generation module exports remaining second electric energy after removing electric energy needed for electric energy needed for described server machine group and described batteries charging in described first electric energy to electrical network, and exports DC power supply to by removing remaining 3rd electric energy of described second electric energy in described first electric energy;
C. described solar power generation module exports described first electric energy to DC power supply;
D. described DC power supply receives the electric energy conversion that described solar power generation module exports the 4th electric energy that is constant-direct current also judges whether described 4th electric energy is greater than electric energy needed for described server machine group, if, then the 6th electric energy needed for server machine group described in described 4th electric energy is exported to described server machine group and performs step e by described DC power supply, if not, then described 4th electric energy is exported to described server machine group;
If so, and export described 5th electric energy to described battery pack E. after judging to remove described 6th electric energy in described 4th electric energy, whether the voltage of remaining 5th electric energy meets the voltage needed for described batteries charging.
Preferably, after described step C, perform following step,
AC power receives the electric energy of described electrical network output and is converted into the 7th electric energy of constant-direct current and exports described battery pack and described server machine group to.
Preferably, in described step D, if described 4th electric energy that described server machine group receives is less than electric energy needed for self, then after described step D, perform following step:
Described server machine group receives the electric energy of described battery pack or the output of described AC power.
Implement solar energy server control system of the present invention and method, there is following beneficial effect: solar power generation module judges whether the first electric energy that solar power generation produces is greater than electric energy summation needed for electric energy needed for server machine group and batteries charging, if, after then the first electric energy being deducted electric energy summation needed for electric energy needed for server machine group and batteries charging, remaining second electric energy inversion is to electrical network, use at other racks be supplied to by electrical network beyond server machine group or other power consumption equipments, the electric energy exported when DC power supply is greater than electric energy needed for server machine group and is less than electric energy summation needed for electric energy needed for server machine group and batteries charging, then export the 5th unnecessary electric energy to battery storage, by the time when the first electric energy is less than electric energy needed for server machine group, server machine group just receives the electric energy of battery pack or electrical network output again, so just, avoid the waste of the unnecessary electric energy that solar power generation module produces, to solar power generation module produce making full use of of electric energy, and then improve the utilance of solar energy.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the theory structure schematic diagram of solar energy server control system of the present invention;
Fig. 2 is the flow chart of solar energy server control method of the present invention.
Embodiment
As shown in Figure 1, in the first embodiment of solar energy server control system of the present invention, solar energy server control system comprises solar power generation module 1, DC power supply 2, AC power 5, battery pack 4, server machine group 3 and inverter 7, and server machine group 3 comprises at least one server cabinet.Wherein, battery pack 4 can carry out charging and discharging.
Solar power generation module 1 is connected with DC power supply 2, for converting solar energy into the first electric energy, also judge whether the first electric energy is greater than electric energy needed for server machine group 3 and battery pack 4 and charges required electric energy summation simultaneously, if the first electric energy is greater than electric energy needed for server machine group 3 and battery pack 4 and charges required electric energy summation, then export electrical network 6 to by removing electric energy needed for server machine group 3 and battery pack 4 remaining second electric energy after required electric energy that charges in the first electric energy, and export DC power supply 2 to by removing remaining 3rd electric energy of the second electric energy in the first electric energy, if the first electric energy is less than or equal to electric energy needed for server machine group 3 and battery pack 4 and charges required electric energy summation, then solar power generation module 1 exports the first electric energy to DC power supply 2.
Solar power generation module 1 comprises generator unit 11, first judging unit 12 and MPPT (MaximumPower Point Tracking, MPPT maximum power point tracking) controller 13.Generator unit 11 can adopt solar power generation panel, and export for converting solar energy into the first electric energy, wherein, the first electric energy is non-constant direct current.First judging unit 12 is connected with generator unit 11, DC power supply 2 and inverter 7, and inverter 7 is also connected with electrical network 6.
The first electric energy that first judging unit 12 exports for receiving generator unit 11, and judge whether the first electric energy is greater than server machine group 3 and battery pack 4 and charges required electric energy summation, here, the charge numerical value of required electric energy summation of server machine group 3 and battery pack 4 can pre-enter to the first judging unit 12.
If the first electric energy is greater than server machine group 3 and battery pack 4 and charges required electric energy summation, then the first judging unit 12 connects inverter 7, inverter 7 is exported to by removing electric energy needed for server machine group 3 and battery pack 4 remaining second electric energy after required electric energy that charges in the first electric energy, inverter 7 receives the second electric energy and is the 8th electric energy of alternating current form by the second electric energy inversion, and exports electrical network 6 to.Meanwhile, the first judging unit 12 also connects DC power supply 2, exports remaining 3rd electric energy after removing the second electric energy in the first electric energy to DC power supply.
If the first electric energy is less than or equal to server machine group 3 and battery pack 4 and charges required electric energy summation, then the first judging unit 12 connects DC power supply 2, exports the first electric energy to server machine group 3.Can for using except other racks of above-mentioned #19, #20 server cabinet after electrical network 6 receives the 8th electric energy.First judging unit 12 adopt maximal power tracing method to judge generator unit 11 in solar power generation module 1 generate electricity the watt level of generation first electric energy.
MPPT controller 13 is connected with generator unit 11, exports electric energy for controlling generator unit 11 with peak power output.
In the present embodiment, needed for server machine group 3, the power of electric energy is 12KW, and the peak power output of solar power generation module 1 is 18KW, and in electrical network 6, transmission is the civil power of 220Vac.
Server machine group 3 is #19, #20 server cabinet in server room, 20 station server racks are had in this server room, the civil power of the 220Vac that other 18 station server racks are exported by electrical network 6 is powered, #19, #20 server cabinet can select solar energy or civil power to provide, and the maximum gross output of #19 and #20 server cabinet is 12kW.
DC power supply 2 is connected with server machine group 3 and battery pack 4 respectively, the electric energy exported for the first judging unit 12 received in solar power generation module 1 is also converted into the 4th electric energy of constant-direct current, DC power supply 2 can also judge whether the 4th electric energy is greater than electric energy needed for server machine group 3 simultaneously, if the 4th electric energy is less than or equal to electric energy needed for server machine group 3, then DC power supply 2 exports the 4th electric energy to server machine group 3; If the 4th electric energy is greater than electric energy needed for server machine group 3, export the 6th electric energy in the 4th electric energy needed for server machine group 3 to server machine group 3, and after judging to remove the 6th electric energy in the 4th electric energy, whether the voltage of remaining 5th electric energy meets the voltage of battery pack 4 charging requirement.If the voltage of the 5th electric energy meets the voltage of battery pack 4 charging requirement, then DC power supply 2 exports the 5th electric energy to battery pack 4, charges to give battery pack 4.
DC power supply 2 is high-voltage DC power supply, and high-voltage DC power supply can detect the first electric energy of solar power generation module 1 output according to maximal power tracing method, and possesses optimum use (adopting constant current mode to export) function.In the present embodiment, the output voltage of this high-voltage DC power supply is 48V, and input voltage is 150V-400V.
DC power supply 2 comprises dc-dc 21 and the second judging unit 22.Dc-dc 21 is connected with the first judging unit 12 in solar power generation module 1 and the second judging unit 22 in DC power supply 2, when the first judging unit 12 in solar power generation module 1 exports the first electric energy, dc-dc 21 to receive in solar power generation module 1 the first electric energy that first judging unit 12 exports and is converted into the 4th electric energy and exports the second judging unit 22 to, when the first judging unit 12 in solar power generation module 1 exports the 3rd electric energy, dc-dc 21 to receive in solar power generation module 1 the 3rd electric energy that first judging unit 12 exports and is converted into the 4th electric energy and exports the second judging unit 22 to.
Second judging unit 22 is connected with dc-dc 21, battery pack 4 and server stack of cabinets 3, connect the 4th electric energy of output for receiving dc-dc 21 and judge whether the 4th electric energy is greater than electric energy needed for server machine group 3, here, needed for server machine group 3, the numerical value of electric energy can pre-enter to the second judging unit 22.If the 4th electric energy is greater than electric energy needed for server machine group 3, then the second judging unit 22 connects server machine group 3, export the 6th electric energy in the 4th electric energy needed for server machine group 3 to server machine group 3, and whether the voltage of remaining 5th electric energy meets the voltage of battery pack 4 charging requirement after judging to remove the 6th electric energy needed for server machine group 3 in the 4th electric energy, if the voltage of the 5th electric energy meets the voltage of battery pack 4 charging requirement, then the second judging unit 22 connects battery pack 4 to export the 5th electric energy to battery pack 4, charges to give battery pack 4; If the 4th electric energy is less than electric energy needed for server machine group 3, then the second judging unit 22 connects server machine group 3, exports the 4th electric energy to server machine group 3.
Wherein, battery pack 4 required voltage that charges is 250-400Vdc, and in the present embodiment, battery pack 4 required voltage that charges is 300Vdc; As when solar power generation after the electric energy that produces supplied the electric energy needed for #19, #20 server cabinet, voltage in bus is > 300Vdc still, then battery pack 4 charges required electricity consumption general also by providing by the sun generating electric energy that produces very much.
In other embodiment, second judging unit 22 can be connected with inverter 7, when the voltage of the 5th electric energy do not meet battery pack 4 charge required voltage time, second judging unit 22 can export the 5th electric energy to inverter 7, and the 5th electric energy is reverse into the electric energy of interchange and exports electrical network 6 to by inverter 7.
AC power 5 is connected with electrical network 6, battery pack 4 and server stack of cabinets 3 respectively, for receiving the electric energy of electrical network 6 output and being converted into the 7th electric energy of constant-direct current and exporting battery pack 4 and server stack of cabinets 3 to, battery pack 4 can be charged after receiving the 7th electric energy.
Server machine group 3 respectively with the second judging unit 22 in DC power supply 2, battery pack 4 is connected with AC power 5, after the electric energy that the second judging unit 22 received in DC power supply 2 exports. judge whether this electric energy is less than electric energy needed for server machine group 3, when this electric energy is less than electric energy needed for server machine group 3, then server machine group 3 can be selected to receive the electric energy of battery pack 4 output or the electric energy of AC power 5 output again, when server machine group 3 prioritizing selection receives the electric energy of AC power 5 output, then can reduce the discharge time of battery pack 4, and then extend the useful life of battery pack 4.Server machine group 3 also can receive the electric energy of battery pack 4 output and the electric energy of AC power 5 output simultaneously.When server machine group 3 prioritizing selection selects the electric energy receiving battery pack 4 output still can not meet need for electricity, the electric energy receiving AC power 5 output also can be started again.
The present invention also provides a kind of solar energy server control method, as shown in Figure 2, comprises the steps:
S1. solar power generation module 1 converts solar energy into the first electric energy, and judges whether the first electric energy is greater than electric energy needed for server machine group 3 and battery pack 4 and charges required electric energy summation, if so, then performs step S2, if not, then directly performs step S3.
Particularly, the first electrical power storage of non-constant direct current form is converted solar energy into after generator unit 11 in solar power generation module 1 absorbs solar energy, the first judging unit 12 in solar power generation module 1 judges whether the first electric energy is greater than electric energy and battery pack 4 needed for the server machine group 3 that pre-enters in the first judging unit 12 and charges required electric energy summation, if the first electric energy is greater than electric energy and battery pack 4 needed for the server machine group 3 that pre-enters in the first judging unit 12 and charges required electric energy summation, then perform step S2, if the first electric energy is less than electric energy and battery pack 4 needed for the server machine group 3 that pre-enters in the first judging unit 12 and charges required electric energy summation, then directly perform step S3.
Here, server machine group 3 is the #19 in server room in 20 station server racks, #20 server cabinet.
S2. solar power generation module 1 exports electrical network 6 to by removing electric energy needed for server machine group 3 and battery pack 4 remaining second electric energy after required electric energy that charges in the first electric energy, and exports remaining 3rd electric energy after removing the second electric energy in the first electric energy to DC power supply 2.
Particularly, first judging unit 12 receives the first electric energy that generator unit 11 exports, and judge whether the first electric energy is greater than electric energy needed for server machine group 3 and battery pack 4 and charges required electric energy, if judge, the first electric energy is greater than electric energy needed for server machine group 3 and battery pack 4 and charges required electric energy, first judging unit 12 connects inverter 7, remaining second electric energy after required electric energy that electric energy needed for first electric energy deduction server machine group 3 and battery pack 4 charged exports inverter 7 to, and the second electric energy inversion is the 6th electric energy of interchange and exports electrical network 6 to by inverter 7; Meanwhile, the first judging unit 12 also connects server machine group 3, exports remaining 3rd electric energy after removing the second electric energy in the first electric energy to DC power supply 2.
For other racks beyond 19#, 20# rack in above-mentioned machine room are powered after electrical network 6 receives the 8th electric energy.Perform step S4 upon step s 2.
S3. the first judging unit 12 in solar power generation module 1 connects DC power supply 2, and exports the first electric energy to DC power supply 2.Perform step S4 and step S10 after step s 3.
S4. the dc-dc 21 in DC power supply 2 receives the first electric energy or the 3rd electric energy of the first judge module 12 output in solar power generation module 1, and the 4th electric energy being converted into constant-direct current exports the second judging unit 22 to, second judging unit 22 judges whether the 4th electric energy is greater than electric energy needed for server machine group 3, if the 4th electric energy is greater than the electric energy needed for server machine group 3, then perform step S5 and step S6, if the 4th electric energy is less than or equal to electric energy needed for server machine group 3, then perform step S8.
S5. the second judging unit 22 connects server machine group 3, exports the 6th electric energy in the 4th electric energy needed for server machine group 3 to server machine group 3.
S6. after DC power supply 2 judges to remove the 6th electric energy needed for server machine group 3 in the 4th electric energy, whether the voltage of remaining 5th electric energy meets battery pack 4 and to charge required voltage, if the voltage of the 5th electric energy meets battery pack 4 and to charge required voltage, then perform step S7.
S7. the second judging unit 22 in DC power supply 2 connects battery pack 4, exports the 5th electric energy to battery pack 4, charges to give battery pack 4.
S8. the second judging unit 22 in DC power supply 2 connects server machine group 3, exports the 4th electric energy to server machine group 3.After step S8, perform step S9.
S9. when the 4th electric energy is less than the electric energy needed for server machine group 3, server machine group 3 receives the electric energy of battery pack 4 output or the electric energy of AC power 5 output.
S10. electrical network 6 exports electric energy to AC power 5, and AC power 5 receives electric energy that electrical network 6 exports and the 7th electric energy being converted to constant-direct current exports battery pack 4 and server stack of cabinets 3 to, and battery pack 4 receives the 7th electric energy that AC power 5 exports and charges.
In sum, solar energy server control system provided by the invention and method, first absorb solar energy by the generator unit 11 in solar power generation module 1 and be converted to the first electric energy of non-constant direct current form, first judging unit 12 receives the first electric energy and judges whether the first electric energy is greater than server machine group 3 and battery pack 4 and charges required electric energy summation, if, then the first judging unit 12 the second electric energy after required electric energy summation that first electric energy deduction server machine group 3 and battery pack 4 charged exports inverter 7 to, export remaining 3rd electric energy after removing the second electric energy in the first electric energy to DC power supply 2 simultaneously.
Inverter 7 receives the second electric energy and inversion is the 8th electric energy of interchange and exports electrical network 6 to for other racks outside above-mentioned server cabinet group 3, make full use of the electric energy that solar power generation produces, when the first electric energy is less than electric energy needed for server machine group 3, by electrical network 6 output AC electric energy to AC power 5, AC power 5 is converted to the 7th electric energy of direct current to battery pack 4 and server stack of cabinets 3 after receiving the AC energy of electrical network 6 output, the electric energy that the optionally connected receipts battery pack 4 of server machine group 3 exports or the electric energy directly exported by AC power 5.
On the other hand, dc-dc 21 in DC power supply 2 is converted to the 4th electric energy of constant-direct current after receiving the electric energy of solar power generation module 1 output and exports the second judging unit 22 to, after second judging unit 22 receives the 4th electric energy, when the 4th electric energy is greater than electric energy needed for server machine group 3 and needed for the 4th electric energy deduction server machine group 3, the charge voltage of the 5th electric energy after required electric energy of electric energy and battery pack 4 meets battery pack 4 and to charge required voltage, second judges that judging unit 22 just exports the 5th electric energy to battery pack 4, charges to give battery pack 4.
Under solar power generation needs to consider the condition of different weather, solar power generation produce the size of electric energy, above-mentioned process of powering to server machine group 3 by solar power generation module 1, to solar power generation module 1 generate electricity produce electric energy size judge after, select battery pack 4 to store the size of electric energy unnecessary after powering to server machine group 3 or by electrical network 6 for other racks beyond server machine group, when needed for the not enough server machine group 3 of electric energy that solar power generation produces during electric energy, server machine group 3 can be selected to be powered by battery pack 4 again or electrical network 6 is powered, electric energy unnecessary when so just taking full advantage of solar power generation, avoid solar power generation produce the waste of electric energy, and then improve the utilization ratio of solar energy.
Understandable, above embodiment only have expressed the preferred embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention; It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can carry out independent assortment to above-mentioned technical characterstic, can also make some distortion and improvement, these all belong to protection scope of the present invention; Therefore, all equivalents of doing with the claims in the present invention scope and modification, all should belong to the covering scope of the claims in the present invention.

Claims (10)

1. a solar energy server control system, comprises solar power generation module, it is characterized in that, also comprises DC power supply, AC power, battery pack and server machine group, and described server machine group comprises at least one server cabinet;
Described solar power generation module, be connected with described DC power supply, for converting solar energy into the first electric energy and judging whether described first electric energy is greater than electric energy summation needed for electric energy needed for described server machine group and described batteries charging, if not, then export described first electric energy to described DC power supply, if, then export remaining second electric energy after removing electric energy needed for electric energy needed for described server machine group and described batteries charging in described first electric energy to electrical network, and export remaining 3rd electric energy after described second electric energy of described first electric energy removing to described DC power supply,
Described DC power supply, be connected with described server machine group and described battery pack respectively, for receiving the electric energy of described solar power generation module output and being converted into the 4th electric energy of constant-direct current and judging whether described 4th electric energy is greater than electric energy needed for described server machine group, if not, then export described 4th electric energy to described server machine group, if, then export the 6th electric energy needed for server machine group described in described 4th electric energy to described server machine group, and whether the voltage of remaining 5th electric energy meets the voltage that described batteries charging requires after judging described 6th electric energy of described 4th electric energy removing, if, then export described 5th electric energy to described battery pack,
Described AC power, is connected with described electrical network, described battery pack and described server machine group, is converted into the 7th electric energy of constant-direct current and exports described battery pack and described server machine group to for the electric energy that receives from described electrical network;
Described server machine group, be connected with described battery pack and described AC power respectively, receiving electric energy that described DC power supply exports and judging whether the electric energy that described DC power supply exports is less than electric energy needed for described server machine group, if so, the electric energy of described battery pack or the output of described AC power is then received.
2. solar energy server control system according to claim 1, is characterized in that, described batteries charging required voltage is 250-400Vdc.
3. solar energy server control system according to claim 1, is characterized in that, described DC power supply is high-voltage DC power supply.
4. solar energy server control system according to claim 1, it is characterized in that, described solar energy server control system also comprises inverter, described inverter is connected with described solar power generation module and described electrical network respectively, the second electric energy inversion for described solar power generation module being exported is the 8th electric energy exchanged, and exports electrical network to.
5. solar energy server control system according to claim 4, is characterized in that, described DC power supply comprises dc-dc and the second judging unit,
Described dc-dc, for receiving the electric energy of described solar power generation module output and being converted into described 4th electric energy output;
Described second judging unit, be connected with described dc-dc, for judging whether described 4th electric energy is greater than electric energy needed for described server machine group, if not, then export described 4th electric energy to described server machine group, if so, then export described 6th electric energy to described server machine group, and export described 5th electric energy to described battery pack when judging that the voltage of described 5th electric energy meets described batteries charging required voltage.
6. solar energy server control system according to claim 4, is characterized in that, described solar power generation module comprises generator unit and the first judging unit;
Described generator unit, export for converting solar energy into described first electric energy, described first electric energy is non-constant direct current;
Described first judging unit, be connected with described generator unit, described DC power supply and described inverter, for judging whether described first electric energy is greater than electric energy summation needed for described server machine group and described batteries charging, if, then export described second electric energy to electrical network, and export described 3rd electric energy to described DC power supply, if not, then export described first electric energy to described DC power supply.
7. solar energy server control system according to claim 6, it is characterized in that, described solar power generation module also comprises MPPT controller, and described MPPT controller is connected with described generator unit, exports electric energy for controlling described generator unit with peak power output.
8. a solar energy server control method, is characterized in that, comprises the steps:
A. solar power generation module converts solar energy into the first electric energy and judges whether described first electric energy is greater than electric energy summation needed for electric energy needed for described server machine group and described batteries charging, if so, then performs step B, if not, then performs step C;
B. described solar power generation module exports remaining second electric energy after removing electric energy needed for electric energy needed for described server machine group and described batteries charging in described first electric energy to electrical network, and exports DC power supply to by removing remaining 3rd electric energy of described second electric energy in described first electric energy;
C. described solar power generation module exports described first electric energy to DC power supply;
D. described DC power supply receives the electric energy conversion that described solar power generation module exports the 4th electric energy that is constant-direct current also judges whether described 4th electric energy is greater than electric energy needed for described server machine group, if, then the 6th electric energy needed for server machine group described in described 4th electric energy is exported to described server machine group and performs step e by described DC power supply, if not, then described 4th electric energy is exported to described server machine group;
If so, and export described 5th electric energy to described battery pack E. after judging to remove described 6th electric energy in described 4th electric energy, whether the voltage of remaining 5th electric energy meets the voltage needed for described batteries charging.
9. solar energy server control method according to claim 8, is characterized in that, performs following step after described step C,
AC power receives the electric energy of described electrical network output and is converted into the 7th electric energy of constant-direct current and exports described battery pack and described server machine group to.
10. solar energy server control method according to claim 8, is characterized in that, in described step D, if described 4th electric energy that described server machine group receives is less than electric energy needed for self, then after described step D, performs following step:
Described server machine group receives the electric energy of described battery pack or the output of described AC power.
CN201510133341.0A 2015-03-25 2015-03-25 Solar server control system and method Pending CN104767468A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105656179A (en) * 2016-04-01 2016-06-08 浪潮电子信息产业股份有限公司 Data center with function of utilizing novel energy and low PUE (power usage effectiveness) value
CN105703472A (en) * 2016-04-01 2016-06-22 浪潮电子信息产业股份有限公司 New photovoltaic powered data center
CN105871050A (en) * 2016-04-01 2016-08-17 浪潮电子信息产业股份有限公司 New energy energy-saving power supply data center

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105656179A (en) * 2016-04-01 2016-06-08 浪潮电子信息产业股份有限公司 Data center with function of utilizing novel energy and low PUE (power usage effectiveness) value
CN105703472A (en) * 2016-04-01 2016-06-22 浪潮电子信息产业股份有限公司 New photovoltaic powered data center
CN105871050A (en) * 2016-04-01 2016-08-17 浪潮电子信息产业股份有限公司 New energy energy-saving power supply data center

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