Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method of supplying power to for Information Technology Equipment and device, can under the prerequisite ensureing ICT equipment double circuit power supply high reliability, reduce whole electric power system loss, improve power supplying efficiency, optimize electric power-feeding structure, reduce costs.
For achieving the above object, technical scheme of the present invention is achieved in that
For an electric supply installation for information technology ICT equipment, comprising: A road input power, B road input power, detection control module, the first power module group, second source module group and voltage bus; Wherein,
Described A road input power, for powering for the first power module group;
Described B road input power, for powering for second source module group;
Described detection control module, for gathering and controlling output and the dormancy of the first power module group and second source module group;
Described first power module group, exports voltage bus to for converting A road input power output voltage to direct current 12V;
Described second source module group, exports voltage bus to for converting B road input power output voltage to direct current 12V;
Described voltage bus, for powering for ICT equipment.
Preferably, described A road input power comprises: civil power, photovoltaic, interchange ups power or DC power supply; Described B road input power is DC power supply.
Preferably, described detection control module, for the output voltage values of each power module of Real-time Collection first power module group and each power module of second source module group, the output voltage values of the power module group of collection and the output voltage lower limit set value of the first power module group and the output voltage limit set point of second source module group are compared, and controls output and the dormancy of each power module of the first power module group and each power module of second source module group according to comparative result.
Preferably, the output of each power module of described detection control module controls first power module group and each power module of second source module group and dormancy are:
If the output voltage values of power module group is more than or equal to the output voltage lower limit set value of the first power module group, be then that all ICT equipment is powered by each power module of the first power module group;
If the output voltage values of power module group is less than or equal to the output voltage limit set point of second source module group, be then that all ICT equipment is powered by each power module of second source module group;
If the output voltage values of power module group between the output voltage lower limit set value of the first power module group and the output voltage limit set point of second source module group, is then powered for all ICT equipment by each power module of the first power module group and second source module group jointly.
Preferably, described first power module group, second source module group are formed in parallel by n+x power module; Wherein, the power module number of n output power of power supply needed for ICT electricity consumption of equipment all in ICT equipment enclosure, x is the power module number of redundancy backup.
For a method of supplying power to for Information Technology Equipment, comprising:
Gather the output voltage values of the first power module group and second source module group;
The output voltage values of the power module group of collection and the output voltage lower limit set value of the first power module group and the output voltage limit set point of second source module group are compared, obtains comparative result;
Output and the dormancy of the first power module group and second source module group is controlled according to comparative result.
Preferably, describedly the output of each power module of the first power module group and each power module of second source module group is controlled according to comparative result and dormancy is:
If the output voltage values of power module group is more than or equal to the output voltage lower limit set value of the first power module group, be then that all ICT equipment is powered by each power module of the first power module group;
If the output voltage values of power module group is less than or equal to the output voltage limit set point of second source module group, be then that all ICT equipment is powered by each power module of second source module group;
If the output voltage values of power module group between the output voltage lower limit set value of the first power module group and the output voltage limit set point of second source module group, is then powered for all ICT equipment by each power module of the first power module group and second source module group jointly.
Preferably, described is after all ICT equipment is powered by each power module of second source module group, and when A road input power normally works and the first power module group progressively re-establishes output voltage, described method also comprises:
Again output and the dormancy of each power module of the first power module group and each power module of second source module group is controlled according to comparative result.
Method of supplying power to for Information Technology Equipment provided by the present invention and device, detection control module, two groups of power modules and voltage bus are set between two-way input power and multiple ICT equipment, every road input power is connected with each power module in one group of power module respectively, is detected and control output and the dormancy of two groups of power modules by detection control module; All power modules and all ICT equipment are all connected in voltage bus, and the input voltage received is input in voltage bus by each power module often organized in power module after conversion, is powered for each ICT equipment by voltage bus.So, can ensure on the reliability basis that double circuit power supply has, back up and control two groups of power modules band at different conditions to carry how many by the dormancy controlled between two-way input power, reduce the loss of whole electric power system, improve load factor.
For B road input power, batteries can be connected, for realizing the direct backup of battery at output further; So, the reliability of DC power-supply system can not only be improved further, electric power can also be provided to support for B road input power rectifier module is waken up gap.For A road input power, when being input as interchange UPS or DC power supply, also can selecting to connect batteries at its output and carrying out power supply backup, so, can further improve the reliability of A road input power.
Two-way input power Zhong Mei road input power is connected with each power module in one group of power module respectively, all power modules are all by holding wire and detection control model calling, described detection control module and two groups of power modules are integrated is positioned in the power supply subrack embedding ICT equipment enclosure, all power modules are all connected in voltage bus by power line, are powered for each ICT equipment by voltage bus; So, the standardization that ICT equipment is powered in physical structure and construction for electricity can be realized; Further, 12V voltage bus can go up the characteristic of downward-extension, reduces power delivery loss to greatest extent.
Embodiment
Basic thought of the present invention is: between two-way input power and multiple ICT equipment, arrange detection control module, two groups of power modules and voltage bus, every road input power is connected with each power module in one group of power module respectively; Detected by detection control module and control output and the dormancy of two groups of power modules; All power modules and all ICT equipment are all connected in voltage bus, and the input voltage received is input in voltage bus by each power module often organized in power module after conversion, is powered for each ICT equipment by voltage bus.
Here, in two-way input power, A road input power is electric main A or ups power or solar photovoltaic power or DC power supply, and B road input power is DC power supply; Further, the output of B road input power can connect batteries.
Concrete, the each power module Ai of detection control module Real-time Collection first power module group (i=1 ... and each power module Bi of second source module group (i=1 n+x) ... n+x) output voltage values, and the output voltage limit set point (Vb+ Δ Vb) of the output voltage values of power module group gathered and the output voltage lower limit set value (Va-Δ Va) of the first power module group and second source module group is compared, and output and the dormancy of first power module group each power module Ai and each power module Bi of second source module group is controlled according to comparative result, here, when described power module Ai or power module Bi works, output voltage, to voltage bus, when described power module Bi does not work, is in dormancy.
Wherein, the output of described detection control module controls first power module group each power module Ai and each power module Bi of second source module group and dormancy are:
If the output voltage values of power module group is more than or equal to the output voltage lower limit set value (Va-Δ Va) of the first power module group, be then that all ICT equipment is powered by all power modules of the first power module group;
If the output voltage values of power module group is less than or equal to the output voltage limit set point (Vb+ Δ Vb) of second source module group, be then that all ICT equipment is powered by all power modules of second source module group;
If the output voltage values of power module group is positioned between the output voltage lower limit set value (Va-Δ Va) of the first power module group and the output voltage limit set point (Vb+ Δ Vb) of second source module group, then jointly powered for all ICT equipment by all power modules of the first power module group and second source module group.
It should be noted that, the equipment of ICT described in the present invention is different from ICT equipment of the prior art, and being the novel I CT equipment of power module part in original ICT equipment being rejected, is special equipment.
In the present invention, the upper and lower limit of described ICT equipment requirement input voltage is respectively (12V+ Δ V) and (12V-Δ V), the output voltage stabilizing point of power module Ai is Va, its bound is respectively (Va+ Δ Va) and (Va-Δ Va), and the deviation delta Va of described Va is the deviation when ensureing the comprehensive effect of source effect and load effect; The output voltage stabilizing point of power module Bi is Vb, and its bound is respectively (Vb+ Δ Vb) and (Vb-Δ Vb), and the deviation delta Vb of described Vb is the deviation when ensureing the comprehensive effect of source effect and load effect.
Relation between above-mentioned each amount meets: (Va+ Δ Va)≤(12V+ Δ V), (Va-Δ Va) >=(Vb+ Δ Vb), (Vb-Δ Vb) >=(12V-Δ V), with meet power module Ai or power module Bi normal time output voltage all within ICT equipment required voltage scope, and meet A road input power normal time power module Ai can bear power consumption needed for all ICT equipment.
Wherein, described source effect refers to that output voltage changes with input voltage change; Described load effect refers to that output voltage changes with institute's bringing onto load size.
Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.
The present invention is used for the electric supply installation of ICT equipment, as shown in Figure 3, this electric supply installation comprises: A road input power 301, B road input power 302, detection control module 305-1, the first power module group 305-2, second source module group 305-3 and voltage bus 306; Wherein,
Described A road input power 301, is connected with each power module Ai in the first power module group 305-2, for powering for each power module Ai in the first power module group 305-2;
Here, described A road input power 301 can be electric main A or ups power or solar photovoltaic power or DC power supply; Concrete, described A road input power 301 can be single-phase 220V alternating current after automatically switching of a road electric main or two-way civil power or three-phase 380V alternating current; Also can be the direct current of solar photovoltaic assembly generating input, can also be exchange ups power or 240V DC power supply or 336V DC power supply.
Described B road input power 302, is connected with each power module Bi in second source module group 305-3, for powering for each power module Bi in second source module group 305-3;
Here, described B road input power 302 is DC power supply, and the output of described DC power supply can connect batteries 303 further; Wherein, B road input power 302 is become direct voltage to be the modular high frequency rectifier power source of 240V or 336V the 220/380V convert alternating current that civil power B inputs; Described batteries 303 be one or more groups plumbic acid consistent with the output voltage of B road input power or iron lithium or other type for rear batteries for subsequent use.
Described detection control module 305-1, for being connected the output of each power module Bi in the output of each power module Ai in the first power module group 305-2 and second source module group 305-3 by holding wire 308, for gathering and controlling output and the dormancy of the first power module group and second source module group;
Described first power module group 305-2, is connected to voltage bus 306 by power line 309, outputs to voltage bus 306 for the voltage self received after conversion;
Here, described first power module group is the power conversion module becoming direct current 12V to export the alternating current in A loop or DC power conversion, composed in parallel by 1 to n+x power module, wherein, the power module number of n output power of power supply needed for ICT electricity consumption of equipment all in ICT equipment enclosure, n is natural number, and x is the power module number of redundancy backup, x=0,1,2 etc.; Power module Ai is input as alternating current or solar energy photovoltaic direct current electricity, exports and is connected with 12V voltage bus 306.
Described second source module group 305-3, is connected to voltage bus 306 by power line 309, outputs to voltage bus 306 for the voltage self received after conversion;
Here, described second source module group is power conversion module direct current 240V or 336V being transformed into direct current 12V output, composed in parallel by 1 to n+x power module, wherein, the power module number of n output power of power supply needed for ICT electricity consumption of equipment all in ICT equipment enclosure, x is the power module number of redundancy backup; The output being input as B road input power of described second source module group and batteries, export and be connected with 12V bus.
Wherein, in the power supply subrack 305 that described detection control module 305-1, the first power module group 305-2, second source module group 305-3 and holding wire 308 and power line 309 accessible site embed in ICT equipment enclosure 304, described power supply subrack 305 exports and is connected with 12V bus 306; Described ICT equipment enclosure 304 is 19 inches or other size rack of standard.
Described voltage bus 306, is connected with all ICT equipment 307, for powering for ICT equipment;
Here, described ICT equipment 307 can have M, and M ICT equipment 307 is called load.
In the present invention, described power supply subrack 305, voltage bus 306 and multiple ICT equipment can all be installed in ICT equipment enclosure; First power module group, second source module group, holding wire and power line and voltage bus composition 2* (n+x) electric power system, physically form embedded power supply subrack and export bus bar, so, be convenient to safeguard and change that there is high reliability.
Described power supply subrack 305 can be installed on the middle part of ICT equipment enclosure, and voltage bus can reduce the loss of voltage bus row discharged to upper downward-extension.For an ICT equipment enclosure, two-way power supply is only needed to input, with the protection device needed for the 2* (M-1) reducing power supply unit in ICT equipment enclosure individual output along separate routes, as for the ICT equipment enclosure being provided with six ICT equipment, only need two-way to input sky to open, just can save 12 tunnels output skies and open; For most ICT equipment, 12V power supply is main power source, if also have the power supply of other electric pressure in equipment, is then transformed into the level power supplies such as required voltage by board supply from 12V bus at device interior.Because high voltage does not enter ICT device interior, be more conducive to improving electric supply installation safety and reliability.
Based on the electric supply installation described in Fig. 3, the present invention is used for the method for supplying power to of ICT equipment, as shown in Figure 4, comprises the following steps:
Step 401: the output voltage values of Real-time Collection power module group;
Here, described collection can be completed by the detection control unit in electric supply installation;
Step 402: the output voltage values of the power module group of collection and the output voltage lower limit set value of the first power module group and the output voltage limit set point of second source module group are compared, obtains comparative result;
Step 403: the output and the dormancy that control the first power module group and second source module group according to comparative result;
Here, described control can be completed by the detection control unit in electric supply installation.
Concrete, control the output of the first power module group and second source module group according to comparative result described in step 403 and dormancy is:
If the output voltage values of power module group is more than or equal to the output voltage lower limit set value (Va-Δ Va) of the first power module group, be then that all ICT equipment is powered by all power modules of the first power module group;
If the output voltage values of power module group is less than or equal to the output voltage limit set point (Vb+ Δ Vb) of second source module group, be then that all ICT equipment is powered by all power modules of second source module group;
If the output voltage values of power module group is positioned between the output voltage lower limit set value (Va-Δ Va) of the first power module group and the output voltage limit set point (Vb+ Δ Vb) of second source module group, then jointly powered for all ICT equipment by all power modules of the first power module group and second source module group.
Below in conjunction with Fig. 5, be described in detail to method of supplying power to provided by the present invention, as shown in Figure 5, the method comprises the following steps:
Step 501:A road input power normally inputs;
Here, described A road input power is electric main A or ups power or solar photovoltaic power or DC power supply;
Step 502: the first power module group receives the input voltage of A road input power, and convert the output of 12V voltage to;
Now, the first power module group work, is in master state;
Step 503: detection control module judges whether the output voltage of each power module Ai in the first power module group is more than or equal to the output voltage lower limit set value (Va-Δ Va) of the first power module group, if so, then performs step 504; Otherwise, perform step 505;
Step 504: determine that the output voltage of each power module Ai is more than or equal to (Va-Δ Va), then bear power consumption needed for ICT equipment by each power module Ai in the first power module group, for ICT equipment is powered, terminates present treatment flow process;
Step 505: detection control module judges whether the output voltage of each power module Ai in the first power module group is more than or equal to the output voltage limit set point (Vb+ Δ Vb) of second source module group, if so, then performs step 506; Otherwise, perform step 507.
Step 506: determine that each power module Ai output voltage values is more than or equal to (Vb+ Δ Vb), then power consumption needed for each power module Bi shared ICT equipment in each power module Ai in the first power module group and second source module group, for ICT equipment is powered.
Step 507: determine that the output voltage of each power module Ai is less than or equal to (Vb+ Δ Vb), bear power consumption needed for ICT equipment, for ICT equipment is powered by each power module Bi in second source module group.
For the situation that step 507 occurs, illustrate that A road input power exceeds normal range (NR) or the first power module group breaks down, accordingly, when A road input power normally works, the first power module group progressively can re-establish output voltage, so, this method of supplying power to is further comprising the steps:
Step 508: the first power module group progressively sets up output voltage.
Step 509, whether the output voltage of each power module Ai that detection control module judges in the first power module group is more than or equal to (Vb+ Δ Vb), if not, performs step 510, if so, performs step 511.
Step 510, determine that the output voltage of each power module Ai in the first power module group is less than or equal to (Vb+ Δ Vb), then bear power consumption needed for ICT equipment by each power module Bi in second source module group, for ICT equipment is powered, terminate present treatment flow process.
Step 511, determine that the output voltage of each power module Ai in the first power module group is more than or equal to (Vb+ Δ Vb), then power consumption needed for each power module Bi shared ICT equipment in each power module Ai in the first power module group and second source module group, for ICT equipment is powered, terminate present treatment flow process.
Step 512, determines whether the output voltage of each power module Ai in the first power module group is more than or equal to (Va-Δ Va), if not, then performs step 511, if so, then performs step 513.
Step 513 ~ 514, determine that each power module Ai output voltage values in the first power module group is more than or equal to (Va+ Δ Va), then bear power consumption needed for ICT equipment by each power module Ai in the first power module group, for ICT equipment is powered, A road input power returns to normal power supply state.
For the situation that step 506 occurs, if A road input power recovers complete power supply capacity, then perform step 513 ~ 514, recover to bear power consumption needed for ICT equipment, for ICT equipment is powered by each power module Ai in the first power module group.
In above ICT equipment method of supplying power to flow process, power module band carries control logic as shown in Figure 6, in the t1 moment, when the input of A road input power exceeds normal range (NR) or the first power module group fault, first power module group output voltage starts to decline, before the output voltage of the first power module group drops to the t2 moment that magnitude of voltage is " Va-Δ Va ", the current from power source modules A i of voltage bus all bears; The current from power source modules A i of voltage bus and power module Bi shared after the t2 moment; In the t3 moment, the first power module Ai and power module Bi respectively bears the half of voltage bus electric current; After the t3 moment, the electric current that power module Bi bears increases gradually, and in the t4 moment, whole voltage bus current from power source module Bi bears.The lower limit (Vb-Δ Vb) of the output voltage of second source module group, under guarantee source effect and load comprehensive effect prerequisite, needs to ensure that its value is not less than the lower limit (12V-Δ V) of ICT equipment input power.
When first power module group progressively sets up output voltage, in the t5 moment, power module Ai group starts to bear voltage bus electric current; In the t6 moment, the output current of power module Ai and power module Bi is equal; Bear at t7 moment whole voltage bus current from power source modules A i; In the t8 moment, electric supply installation returns to normal power supply state.
In the present invention, DC power supply, as B road input power, can adopt civil power to input; DC power output voltage is generally 240V or 336V, and this DC power supply is composed in parallel by multiple rectifier module with dormancy power saving function.When load is powered by A road input power and the first power module group, and batteries is when being in again saturation condition, can retain 1 even 0 rectifier module work in DC power system, other rectifier module is in dormancy power save mode, thus reduces the loss of DC power system.When A road input power exceeds normal range (NR) or the first power module group fault, first powered by batteries, if the input civil power B of DC power supply is normal, then can wakes rectifier module up and devote oneself to work, load can continuous operation; When A road input power recovers normal, then turn and powered to the load by A road input power and the first power module group; If the input civil power B of the input civil power A of A road input power and B road input power inputs from same road, and before exhaustion of the accumulators, exchange input still do not recover normal, then after exhaustion of the accumulators, electric power system can be shut down and stopped power supply; As input power input in A road recovers normal before exhaustion of the accumulators, then turn and powered to the load by A road input power and the first power module group; When civil power B inputs normal, the rectifier module in DC power supply wakes the charging of work accumulators group up, until enter dormancy power save mode again after saturated.
When A road input power is normal, second source module group is in Status of Backups; When A road input power is more stable civil power, in input power loop, B road not only rectifier module can dormancy energy-conservation, the second source module group of rear class also can dormancy energy-conservation.
When A road input power is the direct current of more unstable solar energy power generating, in input power loop, B road, only rectifier module dormancy is energy-conservation, and the second source module group of rear class can be arranged to warm standby state.
When A road input power adopts 240V or the 336V DC power supply of modular band backup battery, the reliability that whole system is powered can improve further, A road DC power supply and B road DC power supply can rotation dormancies, to make the aging equalization of two cover power-supply systems, the reliability of raising system, but now there is power conversion, cause system effectiveness to reduce.
Input power loop, B road exchanges UPS such as adopted, the waking up and need the regular hour of UPS module because battery can not directly back up, therefore UPS can only be in Hot Spare, and because Hot Spare exists no-load loss, therefore energy-saving effect is not obvious.
This shows, what the present invention was identical with the method for supplying power to that prior art is supplied to is adopt double circuit power supply, ensures the reliability of system; Difference is the output voltage values by the current first power module group of detection control module Real-time Collection and second source module group, and controls dormancy backup and the band year quantity of two power module groups, reduces the loss of whole electric power system.
Below for A road input power for electric main, as shown in Figure 7, electric supply installation form and annexation concrete as described in Figure 3, here do not repeat, only the energy-saving effect of electric supply installation of the present invention be described in detail.
If the ICT equipment total power consumption 320kW that certain typical IDC machine room is all, when the traditional ups system of employing two 400kW forms double circuit power supply device, suppose that the conversion efficiency of UPS when load factor 80% is 93%, during the load factor of 40%, conversion efficiency is 91%.For ensureing that power supply safety needs certain surplus, in double circuit power supply system, the load factor in every loop is maximum is no more than 40%, and now, the conversion loss of UPS is 320kW/ (91%)-320kW=31.6kW.
As adopted the present invention, A loop provides alternating current by stable civil power, B loop adopts the 336V DC power system of 20 * 20kW rectifier modules composition, when normally working, only needs a rectifier module to provide power supply for battery float and for the zero load of second source module group.Suppose that the conversion efficiency of rectifier module when 80% load factor is 93%, during 40% load factor, efficiency is 91%, then only have the loss of a rectifier module to be about 16kW/ (93%)-16kW=1.2kW when normally working.When second source module group is arranged to Hot Spare work, save power 31.6kW-1.2kW=30.4kW; Then 1 year power saving: 30.4kW*365*24h=266304kWh (about 26.6 ten thousand kWh).For the IDC machine room of 4MW power consumption, then 1 year power saving: 26.6* (4000/320)=332.5 ten thousand kWh.The loss of the first power module group and second source module group all exists in the present invention with scheme in the past, therefore do not consider to include in compare, if consider the minimizing of the air-conditioner power consumption causing needs because of the reduction of the loss of power, or second source module group is arranged to dormancy, then energy-saving effect of the present invention is more obvious.
Be input as solar energy photovoltaic direct current electricity for A loop below, as shown in Figure 8, electric supply installation formation and annexation specifically as described in Figure 3, here do not repeat, are only described in detail to the energy-saving effect of electric supply installation of the present invention.
Suppose that the output peak power that the photovoltaic in A loop is designed to photovoltaic system is suitable with bearing power, photovoltaic exports and is not with energy storage device.The institute of load when solar energy is normal energy requirement is powered by A road solar energy and the first power module group, and when solar energy dies down, energetic portions needed for load is provided by B loop, night or overcast and rainy, is completely powered by DC power supply and second source module group by civil power B.Because considering the unsteadiness of solar energy, in the DC power supply of B loop, the rectifier module quantity of dormancy reduces relatively, to avoid frequent dormancy and to wake up.This device had not only reduced the equipment of solar energy and the investment of occupation of land but also can make full use of solar energy.
For a 320kW power consumption machine room, photovoltaic module provides the electric power of about 15%, and other is provided by civil power, and solar energy power generating can save civil power 15%*320kW=48kW.
Overlap exchange compared with double circuit power supply device that ups system forms with two, electric supply installation of the present invention reduces conversion loss 30.4kW, and total losses reduce 48+30.4=78.4kW; 1 Spring Festival holidays economized electric energy 78.4kW*365*24h=686784kWh (about 68.7 ten thousand kWh); For the IDC machine room of 4MW power consumption, 1 Spring Festival holidays economized electric energy 68.7* (4000/320)=8,580,000 kWh.
The scene good for illumination condition and the required soil of solar components installation is cheap, energy of the present invention is recouped capital outlay and produces good benefit within a short period of time, if consider the minimizing of the air-conditioner power consumption causing needs because of the reduction of the loss of power, then energy-saving effect is more obvious.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.