Automatic coordination control method and system for optical storage charging and discharging micro-grid system
A technology of coordinated control and micro-grid, applied in the direction of AC network load balancing, single-network parallel feeding arrangement, etc., can solve the problems of low integration of operation coordination, energy waste, low work efficiency, etc., to achieve operation coordination and photovoltaic Accurate, timely and efficient consumption, reducing overload frequency and relieving capacity pressure
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Embodiment 1
[0043] This implementation discloses an automatic coordination control method for an optical storage charging and discharging microgrid system, which includes the following steps:
[0044] Collect the real-time load of the microgrid system transformer and the real-time power generation of the photovoltaic system;
[0045] Calibration of the low working load limit value, high working load limit value and working load interval of the transformer in the microgrid system, wherein the lower limit of the working load interval is the sum of the working low load limit value and its hysteresis value, and the upper limit of the working load interval is the difference between the working high load limit value and its hysteresis value;
[0046] And compare the real-time load of the microgrid system transformer with the low working load limit value, the working high load limit value, and the working load interval respectively:
[0047] When the real-time load is less than or equal to the ...
Embodiment 2
[0053] The second embodiment is a preferred embodiment of the first embodiment. The difference between the second embodiment and the first embodiment is that the specific steps of the automatic coordination control method of the optical storage charging and discharging microgrid system are introduced:
[0054] like figure 2 As shown, in this embodiment, an automatic coordination control method for an optical storage charge-discharge microgrid system is disclosed, and the application is as follows figure 1 In the shown optical storage charging and discharging microgrid system, the following steps are included:
[0055] Step 1: Set the working low load limit value P(L) and its hysteresis value P(LHC) of the distribution transformer in the microgrid system, and the transformer working high load limit value P(H) and its hysteresis value P(HHC), The photovoltaic system power generation state judgment power P(GFMK), configure the parameters of the power peak and valley period, the...
Embodiment 3
[0070] The present invention proposes an automatic coordination control method for an optical storage charge-discharge microgrid system, comprising the following steps:
[0071] Step 1: Parameter setting in the microgrid system. Distribution transformer working low load limit value P(L)=20KW hysteresis value P(LHC)=10KW; transformer working high load limit value P(H)=600KW, hysteresis value P(HHC)=20KW; photovoltaic system power generation The state judgment power P(GFMK)=5KW; configure the parameters of the power peak and valley period, the valley period start time TM (US1) is 0:00, the end time TM (UZ1) is 7:59, and the charging power P (UCST1) =-40KW; the start time TM(GS1) of the peak period is 8:00, the end time TM(GZ1) is 18:59, the discharge power P(GFST1)=30KW; the start time of the peak period TM(JS1) is At 19:00, the end time TM(JZ1) is 23:59, and the discharge power P(JFST1)=20KW.
[0072] Step 2: The microgrid energy management system detects real-time transforme...
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