CN104104105B - A kind of based on direct current share regulation and control from net light store electricity generating and supplying system - Google Patents
A kind of based on direct current share regulation and control from net light store electricity generating and supplying system Download PDFInfo
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- CN104104105B CN104104105B CN201310124981.6A CN201310124981A CN104104105B CN 104104105 B CN104104105 B CN 104104105B CN 201310124981 A CN201310124981 A CN 201310124981A CN 104104105 B CN104104105 B CN 104104105B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The invention belongs to new forms of energy technical field of electric power, it is specifically related to a kind of store electricity generating and supplying system based on what direct current shared regulation and control from net light, comprising: the isolation of power generation system, band becomes power generation system, stand alone generating system, accumulator system, band isolation becomes accumulator system, independent accumulator system, the 1st direct current shares regulator control system, the 2nd direct current shares regulator control system, N direct current shares regulator control system, the 1st step-up transformer D1, the 2nd step-up transformer D2, N step-up transformer, N+1 step-up transformer, step-down transformer, user load, M user load and power line, by photovoltaic power generation array through direct current share regulator control system be connected with accumulator system or secondary battery through the combining inverter of the shared regulator control system of direct current and power generation system, thus make the generating period and all can to realize photovoltaic generating system and energy-storing and power-generating system be load supplying jointly the period that do not generate electricity, make system realize direct current and share regulation and control and photovoltaic DC-to-AC converter realizes direct current and powers to the muck in exchanged with energy storage inverter, greatly increase robustness and the reliability of system, the utilization ratio of the resource simultaneously greatly improved, the equal load supplying demand of exerting oneself can reduce more than the 30% of system investments, greatly improve the rate of return on investment of user.
Description
Technical field
The invention belongs to new forms of energy technical field of electric power, be specifically related to a kind of based on direct current share regulation and control from net light store electricity generating and supplying system.
Background technology
The widespread use of new forms of energy electric power and micro-capacitance sensor, facilitate the development of light volt and energy storage complemental power-generation power supply system, especially from the storage of net light or wind storage and scene, to store complemental power-generation power supply system be remote and without a kind of main mode of electricity or power-shortage area application new forms of energy power supply, owing to photoelectricity (and wind-powered electricity generation) is unstable fitful power, in order to stable powering load, needing the store battery configuring a constant volume to carry out complementary power supply, the main mode of prior art and system is as depicted in figs. 1 and 2.
Its prior art be load supplying in the generating period by power generation system and accumulator system in the lump, when generating is greater than load electricity consumption, generating power supply simultaneously remaining electricity charge for accumulator system, generate electricity when being less than load electricity consumption, the supplementary generation deficiency of accumulator system is powered in the lump, do not generating electricity the period, can only be load supplying by accumulator system, the output power of accumulator system can be only for peak power, therefore prior art is when design configurations light stores up complemental power-generation power supply system, total output power of accumulator system is greater than the total rated output of load, if when load is perception load, consider the starting power of load, output power should meet the power output requirement of more than twice, general energy storage exert oneself design should >=total rated output of twice load, accumulator system affects the life of storage battery and power supply capacity to not produce charge less simultaneously, so also to be increased the scale of corresponding power generation system, so just make to store up the configuration of complemental power-generation power supply system from net light greatly to increase, reduce resource utilization, have impact on rate of return on investment, at home and abroad hundreds of demonstrations store up electricity generating and supplying system from net light (and wind), except above-mentioned increase configuration and investment way, diesel generation (or fuel gas generation etc.) is also adopted to power as a supplement in a large number, consider that diesel generation response is slow, need heat engine state, namely require to be in generator operation state, minimum also to be had more than 20% output rating, oil electricity delivery considerable quantity like this, and cause environmental pollution, increase the cost of generating electricity consumption.
Summary of the invention
For the above-mentioned defect of prior art and product, in order to not increase scale of investment, do not increase the power generation system of oil electric engine or other primary energy source simultaneously yet, just can increase the system power supply power of the period that do not generate electricity, the present invention proposes " a kind of based on direct current share regulation and control from net light store electricity generating and supplying system ", regulation and control are shared by direct current, no matter making photovoltaic generating system and accumulator system all can power with operate in generating period or the period that do not generate electricity, change the prior art defect that only accumulator system is powered and exerted oneself in the period that do not generate electricity, under the electric power thus supplied of same even load need for electricity, can reduce by the investment of about more than 30%, greatly improve the resource utilization of system, increase rate of return on investment. for from net type independence and micro-capacitance sensor or micro-capacitance sensor form store up complemental power-generation power supply system from net light (wind) for not only reduce investment, raise the efficiency, preventing pollution, and the power supply owing to doubling exerts oneself ability, so substantially increasing robustness and the reliability of electricity generating and supplying system.
The present invention propose " a kind of based on direct current share regulation and control from net light store electricity generating and supplying system " comprising: power generation system, band isolation becomes power generation system, stand alone generating system, accumulator system, band isolation becomes accumulator system, independent accumulator system, 1st direct current shares regulator control system, 2nd direct current shares regulator control system, N direct current shares regulator control system, 1st step-up transformer D1, 2nd step-up transformer D2, N step-up transformer, N+1 step-up transformer, step-down transformer, user load, M user load and power line, it is characterized in that:
Power generation system comprises the first photovoltaic power generation array and combining inverter; Band isolation becomes power generation system and comprises the 2nd photovoltaic power generation array and band isolation change combining inverter; Stand alone generating system comprises the n-th photovoltaic power generation array and independent combining inverter; Accumulator system comprises bidirectional energy-storage invertor and the first secondary battery; Band isolation becomes accumulator system and comprises band isolation change bidirectional energy-storage invertor and the 2nd secondary battery; Independent accumulator system comprises independent bidirectional energy-storage invertor and the n-th secondary battery;
Power generation system connects power line by the 1st step-up transformer and power generation system is shared regulator control system by the first photovoltaic power generation array connection direct current and shared the combining inverter of regulator control system connection power generation system through direct current, form the photovoltaic generation supply path of power generation system, and the first secondary battery of accumulator system connects the shared regulator control system of direct current and shares the combining inverter of regulator control system connection power generation system through direct current, the electric power storage forming power generation system shares supply path with generating electricity;
Accumulator system connects power line by the 1st step-up transformer and accumulator system is shared regulator control system by the first secondary battery connection direct current and shared the bidirectional energy-storage invertor of regulator control system connection accumulator system through direct current, form the energy storage for power supply electrical path of accumulator system, and the first photovoltaic power generation array of power generation system connects direct current and shares regulator control system and share, through direct current, the bidirectional energy-storage invertor that regulator control system connects accumulator system, form light volt auxiliary energy storage and power electrical path;
Band isolation become power generation system by the 2nd step-up transformer connect power line and band isolation become power generation system by the 2nd photovoltaic power generation array connect the 2nd direct current share regulator control system and through the 2nd direct current share regulator control system connecting band isolation become power generation system band isolation become combining inverter, form the photovoltaic generation supply path that band isolation becomes power generation system, and the 2nd secondary battery of band isolation change accumulator system connects the shared regulator control system of the 2nd direct current and shares the band isolation change combining inverter of regulator control system connecting band isolation change power generation system through the 2nd direct current, the electric power storage forming band isolation change power generation system shares supply path with generating,
Band isolation become accumulator system by the 2nd step-up transformer connect power line and band isolation become accumulator system by the 2nd secondary battery connect the 2nd direct current share regulator control system and through the 2nd direct current share regulator control system connecting band isolation become accumulator system band isolation become bidirectional energy-storage invertor, form the energy storage for power supply electrical path that band isolation becomes accumulator system, and the 2nd photovoltaic power generation array of band isolation change power generation system connects the shared regulator control system of the 2nd direct current and shares the band isolation change bidirectional energy-storage invertor of regulator control system connecting band isolation change accumulator system through the 2nd direct current, form the auxiliary band isolation of light volt and become energy storage for power supply electrical path,
Stand alone generating system connects power line and stand alone generating system by N step-up transformer and connects N direct current by the n-th photovoltaic power generation array and share regulator control system and share, through N direct current, the independent combining inverter that regulator control system connects stand alone generating system, form the photovoltaic generation supply path of stand alone generating system, and the n-th secondary battery of independent accumulator system connects the shared regulator control system of N direct current and shares the independent combining inverter of regulator control system connection stand alone generating system through N direct current, the electric power storage forming stand alone generating system shares supply path with generating electricity;
Independent accumulator system connects power line and independent accumulator system by N+1 step-up transformer and connects N direct current by the n-th secondary battery and share regulator control system and share, through N direct current, the independent bidirectional energy-storage invertor that regulator control system connects independent accumulator system, form the energy storage for power supply electrical path of independent accumulator system, and the n-th photovoltaic power generation array of stand alone generating system connects the shared regulator control system of N direct current and connects the independent bidirectional energy-storage invertor of independent accumulator system through the shared regulator control system of N direct current, form the auxiliary independent energy storage for power supply electrical path of light volt;
User load and M user load connect power line by step-down transformer, form user load electricity consumption and power electrical path.
The present invention " a kind of based on direct current share regulation and control from net light store electricity generating and supplying system ", utilizing direct current to share regulator control system regulates the photovoltaic power generation array of power generation system to be connected path with the secondary battery of accumulator system, realize being connected electric power storage and the shared electrical path of photovoltaic generation, also can form light volt auxiliary energy storage to power electrical path, by photovoltaic power generation array through direct current share regulator control system be connected with accumulator system or secondary battery through the combining inverter of the shared regulator control system of direct current and power generation system, thus make the generating period and all can to realize photovoltaic generating system and energy-storing and power-generating system be load supplying jointly the period that do not generate electricity, power supply is exerted oneself multiplication. the present invention is applicable to the non-off-grid system from becoming also direct type and the various conventional light storage complementation of independent type every change or isolation that currently available products is formed, also it is applicable to above-mentioned various system and it is connected to form micro-capacitance sensor by power line, make system realize direct current and share regulation and control and photovoltaic DC-to-AC converter realizes direct current and powers to the muck in exchanged with energy storage inverter, former light storage electricity generating and supplying system is made to reach the effect being multiplied and powering and exert oneself, greatly increase robustness and the reliability of system, the utilization ratio of the resource simultaneously greatly improved, the equal load supplying demand of exerting oneself can reduce more than the 30% of system investments, greatly improve the rate of return on investment of user.
Accompanying drawing explanation
Fig. 1 is that prior art forms the schematic diagram storing up complemental power-generation power supply system from net light from net type independence form;
Fig. 2 is that prior art forms the schematic diagram storing up complemental power-generation power supply system from net light from net type micro-capacitance sensor or micro-capacitance sensor form;
Fig. 3 is a kind of principle of work and power schematic diagram storing electricity generating and supplying system from net light sharing regulation and control based on direct current.
Embodiment
As examples of implementation, share being described from net light storage electricity generating and supplying system of regulation and control to a kind of based on direct current by reference to the accompanying drawings, but, the technology of the present invention and scheme are not limited to the content that the present embodiment provides.
Fig. 1 illustrates prior art form from net type independence form from net light store up complemental power-generation power supply system schematic diagram, as shown in Figure 1, the scheme of prior art be by photovoltaic DC generating and store battery direct current and connect into inverter power supply or for store battery charge; Its shortcoming is: power supply is exerted oneself and is only the amount output rating of invertor; And, when there being load to need power supply, even accumulator positive is in charging, store battery also can be transformed into the state carrying out discharging so that secondary battery substantially not by the control of charge-discharge control circuit, seriously affects working healthily and the operation life of store battery.
Fig. 1 illustrates prior art and form the schematic diagram storing up complemental power-generation power supply system from net light from net type micro-capacitance sensor or micro-capacitance sensor form, as shown in Figure 2, the system of the formation of prior art adopt photovoltaic generating system and accumulator system relatively independent connect for user load is powered by power line, its shortcoming is: do not generating electricity the period, can only be load supplying by accumulator system, the output power of accumulator system can be only for peak power, therefore prior art is when design configurations light stores up complemental power-generation power supply system, total output power of accumulator system is greater than the total rated output of load, ensureing to generate electricity and do not generate electricity period all has the ability that maximum power supply exerts oneself, just can only increase system configuration, namely investment is increased.
Fig. 3 is a kind of principle of work and power schematic diagram storing electricity generating and supplying system from net light sharing regulation and control based on direct current, as shown in Figure 3, the present invention propose a kind of based on direct current share regulation and control from net light store electricity generating and supplying system, comprise: power generation system (A1), band isolation becomes power generation system (A2), stand alone generating system (An), accumulator system (B1), band isolation becomes accumulator system (B2), independent accumulator system (Bn), 1st direct current shares regulator control system (C1), 2nd direct current shares regulator control system (C2), N direct current shares regulator control system (Cn), 1st step-up transformer (D1), 2nd step-up transformer (D2), N step-up transformer (Dn1), N+1 step-up transformer (Dn2), step-down transformer (E), user load (U1), M user load (Um) and power line (P),
It is characterized in that:
Power generation system (A1) comprises the first photovoltaic power generation array (a12) and combining inverter (a11); Band isolation becomes power generation system (A2) and comprises the 2nd photovoltaic power generation array (a22) and band isolation change combining inverter (a21); Stand alone generating system (An) comprises the n-th photovoltaic power generation array (an2) and independent combining inverter (an1); Accumulator system (B1) comprises bidirectional energy-storage invertor (b11) and the first secondary battery (b12); Band isolation becomes accumulator system (B2) and comprises band isolation change bidirectional energy-storage invertor (b21) and the 2nd secondary battery (b22); Independent accumulator system (Bn) comprises independent bidirectional energy-storage invertor (bn1) and the n-th secondary battery (bn2);
Power generation system (A1) connects power line (P) and power generation system (A1) by the 1st step-up transformer (D1) and connects direct current by the first photovoltaic power generation array (a12) and share regulator control system (C1) and share, through direct current, the combining inverter (a11) that regulator control system (C1) connects power generation system (A1), form the photovoltaic generation supply path of power generation system (A1), and first secondary battery (b12) of accumulator system (B1) connects the shared regulator control system (C1) of direct current and connects the combining inverter (a11) of power generation system (A1) through the shared regulator control system (C1) of direct current, the electric power storage forming power generation system (A1) shares supply path with generating,
Accumulator system (B1) connects power line (P) and accumulator system (B1) by the 1st step-up transformer (D1) and connects direct current by the first secondary battery (b12) and share regulator control system (C1) and share, through direct current, the bidirectional energy-storage invertor (b11) that regulator control system (C1) connects accumulator system (B1), form the energy storage for power supply electrical path of accumulator system (B1), and first photovoltaic power generation array (a12) of power generation system (A1) connects the shared regulator control system (C1) of direct current and connects the bidirectional energy-storage invertor (b11) of accumulator system (B1) through the shared regulator control system (C1) of direct current, form light volt auxiliary energy storage to power electrical path,
Band isolation become power generation system (A2) by the 2nd step-up transformer (D2) connect power line (P) and band isolation become power generation system (A2) by the 2nd photovoltaic power generation array (a22) connect the 2nd direct current share regulator control system (C2) and through the 2nd direct current share regulator control system (C2) connecting band isolation become power generation system (A2) band isolation become combining inverter (a21), form the photovoltaic generation supply path that band isolation becomes power generation system (A2), and band isolation become accumulator system (B2) the 2nd secondary battery (b22) connect the 2nd direct current share regulator control system (C2) and through the 2nd direct current share regulator control system (C2) connecting band isolation become power generation system (A2) band isolation become combining inverter (a21), the electric power storage forming band isolation change power generation system (A2) shares supply path with generating,
Band isolation become accumulator system (B2) by the 2nd step-up transformer (D2) connect power line (P) and band isolation become accumulator system (B2) by the 2nd secondary battery (b22) connect the 2nd direct current share regulator control system (C2) and through the 2nd direct current share regulator control system (C2) connecting band isolation become accumulator system (B2) band isolation become bidirectional energy-storage invertor (b21), form the energy storage for power supply electrical path that band isolation becomes accumulator system (B2), and band isolation become power generation system (A2) the 2nd photovoltaic power generation array (a22) connect the 2nd direct current share regulator control system (C2) and through the 2nd direct current share regulator control system (C2) connecting band isolation become accumulator system (B2) band isolation become bidirectional energy-storage invertor (b21), form the auxiliary band isolation of light volt and become energy storage for power supply electrical path,
Stand alone generating system (An) connects power line (P) and stand alone generating system (An) by N step-up transformer (Dn1) and connects N direct current by the n-th photovoltaic power generation array (an2) and share regulator control system (Cn) and share, through N direct current, the independent combining inverter (an1) that regulator control system (Cn) connects stand alone generating system (An), form the photovoltaic generation supply path of stand alone generating system (An), and n-th secondary battery (bn2) of independent accumulator system (Bn) connects the shared regulator control system (Cn) of N direct current and connects the independent combining inverter (an1) of stand alone generating system (An) through the shared regulator control system (Cn) of N direct current, the electric power storage forming stand alone generating system (An) shares supply path with generating,
Independent accumulator system (Bn) connects power line (P) and independent accumulator system (Bn) by N+1 step-up transformer (Dn2) and connects N direct current by the n-th secondary battery (bn2) and share regulator control system (Cn) and share, through N direct current, the independent bidirectional energy-storage invertor (bn1) that regulator control system (Cn) connects independent accumulator system (Bn), form the energy storage for power supply electrical path of independent accumulator system (Bn), and n-th photovoltaic power generation array (an2) of stand alone generating system (An) connects the shared regulator control system (Cn) of N direct current and connects the independent bidirectional energy-storage invertor (bn1) of independent accumulator system (Bn) through the shared regulator control system (Cn) of N direct current, form the auxiliary independent energy storage for power supply electrical path of light volt,
User load (U1) and M user load (Um) connect power line (P) by step-down transformer (E), form user load electricity consumption and power electrical path.
By the enforcement of the technical program, by photovoltaic power generation array through direct current share regulator control system be connected with accumulator system B or secondary battery through the combining inverter of the shared regulator control system of direct current and power generation system A, thus making the generating period and the period that do not generate electricity all can realize photovoltaic generating system A and energy-storing and power-generating system B jointly for load supplying so that power supply is exerted oneself multiplication. Make system realize direct current and share regulation and control and photovoltaic DC-to-AC converter realizes direct current and powers to the muck in exchanged with energy storage inverter, greatly increase robustness and the reliability of system, the utilization ratio of the resource simultaneously greatly improved, the equal load supplying demand of exerting oneself can reduce more than the 30% of system investments, greatly improves the rate of return on investment of user.
Claims (1)
1. one kind based on direct current share regulation and control from net light store electricity generating and supplying system, comprise: power generation system (A1), band isolation becomes power generation system (A2), stand alone generating system (An), accumulator system (B1), band isolation becomes accumulator system (B2), independent accumulator system (Bn), 1st direct current shares regulator control system (C1), 2nd direct current shares regulator control system (C2), n-th direct current shares regulator control system (Cn), 1st step-up transformer (D1), 2nd step-up transformer (D2), n-th step-up transformer (Dn1), (n+1)th step-up transformer (Dn2), step-down transformer (E), user load (U1), M user load (Um) and power line (P), it is characterized in that:
Power generation system (A1) comprises the first photovoltaic power generation array (a12) and combining inverter (a11);
Band isolation becomes power generation system (A2) and comprises the 2nd photovoltaic power generation array (a22) and band isolation change combining inverter (a21);
Stand alone generating system (An) comprises the n-th photovoltaic power generation array (an2) and independent combining inverter (an1);
Accumulator system (B1) comprises bidirectional energy-storage invertor (b11) and the first secondary battery (b12);
Band isolation becomes accumulator system (B2) and comprises band isolation change bidirectional energy-storage invertor (b21) and the 2nd secondary battery (b22);
Independent accumulator system (Bn) comprises independent bidirectional energy-storage invertor (bn1) and the n-th secondary battery (bn2);
Power generation system (A1) connects power line (P) and power generation system (A1) by the 1st step-up transformer (D1) and connects direct current by the first photovoltaic power generation array (a12) and share regulator control system (C1) and share, through direct current, the combining inverter (a11) that regulator control system (C1) connects power generation system (A1), form the photovoltaic generation supply path of power generation system (A1), and first secondary battery (b12) of accumulator system (B1) connects the shared regulator control system (C1) of direct current and connects the combining inverter (a11) of power generation system (A1) through the shared regulator control system (C1) of direct current, the electric power storage forming power generation system (A1) shares supply path with generating,
Accumulator system (B1) connects power line (P) and accumulator system (B1) by the 1st step-up transformer (D1) and connects direct current by the first secondary battery (b12) and share regulator control system (C1) and share, through direct current, the bidirectional energy-storage invertor (b11) that regulator control system (C1) connects accumulator system (B1), form the energy storage for power supply electrical path of accumulator system (B1), and first photovoltaic power generation array (a12) of power generation system (A1) connects the shared regulator control system (C1) of direct current and connects the bidirectional energy-storage invertor (b11) of accumulator system (B1) through the shared regulator control system (C1) of direct current, form light volt auxiliary energy storage to power electrical path,
Band isolation become power generation system (A2) by the 2nd step-up transformer (D2) connect power line (P) and band isolation become power generation system (A2) by the 2nd photovoltaic power generation array (a22) connect the 2nd direct current share regulator control system (C2) and through the 2nd direct current share regulator control system (C2) connecting band isolation become power generation system (A2) band isolation become combining inverter (a21), form the photovoltaic generation supply path that band isolation becomes power generation system (A2), and band isolation become accumulator system (B2) the 2nd secondary battery (b22) connect the 2nd direct current share regulator control system (C2) and through the 2nd direct current share regulator control system (C2) connecting band isolation become power generation system (A2) band isolation become combining inverter (a21), the electric power storage forming band isolation change power generation system (A2) shares supply path with generating,
Band isolation become accumulator system (B2) by the 2nd step-up transformer (D2) connect power line (P) and band isolation become accumulator system (B2) by the 2nd secondary battery (b22) connect the 2nd direct current share regulator control system (C2) and through the 2nd direct current share regulator control system (C2) connecting band isolation become accumulator system (B2) band isolation become bidirectional energy-storage invertor (b21), form the energy storage for power supply electrical path that band isolation becomes accumulator system (B2), and band isolation become power generation system (A2) the 2nd photovoltaic power generation array (a22) connect the 2nd direct current share regulator control system (C2) and through the 2nd direct current share regulator control system (C2) connecting band isolation become accumulator system (B2) band isolation become bidirectional energy-storage invertor (b21), form the auxiliary band isolation of light volt and become energy storage for power supply electrical path,
Stand alone generating system (An) connects power line (P) and stand alone generating system (An) by N step-up transformer (Dn1) and connects N direct current by the n-th photovoltaic power generation array (an2) and share regulator control system (Cn) and share, through N direct current, the independent combining inverter (an1) that regulator control system (Cn) connects stand alone generating system (An), form the photovoltaic generation supply path of stand alone generating system (An), and n-th secondary battery (bn2) of independent accumulator system (Bn) connects the shared regulator control system (Cn) of N direct current and connects the independent combining inverter (an1) of stand alone generating system (An) through the shared regulator control system (Cn) of N direct current, the electric power storage forming stand alone generating system (An) shares supply path with generating,
Independent accumulator system (Bn) connects power line (P) and independent accumulator system (Bn) by N+1 step-up transformer (Dn2) and connects N direct current by the n-th secondary battery (bn2) and share regulator control system (Cn) and share, through N direct current, the independent bidirectional energy-storage invertor (bn1) that regulator control system (Cn) connects independent accumulator system (Bn), form the energy storage for power supply electrical path of independent accumulator system (Bn), and n-th photovoltaic power generation array (an2) of stand alone generating system (An) connects the shared regulator control system (Cn) of N direct current and connects the independent bidirectional energy-storage invertor (bn1) of independent accumulator system (Bn) through the shared regulator control system (Cn) of N direct current, form the auxiliary independent energy storage for power supply electrical path of light volt,
User load (U1) and M user load (Um) connect power line (P) by step-down transformer (E), form user load electricity consumption and power electrical path.
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| CN201966664U (en) * | 2011-04-18 | 2011-09-07 | 周锡卫 | Solar power generating and supplying system |
| CN102545260A (en) * | 2012-01-16 | 2012-07-04 | 中国电力科学研究院 | Method for controlling automatic seamless switching between grid-connected mode and grid-isolated mode of microgrid |
| CN203151118U (en) * | 2013-04-12 | 2013-08-21 | 周锡卫 | Off-grid light storage power generation and power supply system based on direct current sharing regulation and control |
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| CN104104105A (en) | 2014-10-15 |
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