Energy storing device for supplying valley current at peak of current supply
A technology of energy storage device and valley power, which is applied in the direction of harmonic reduction device, single network parallel feeding arrangement, AC network to reduce harmonic/ripple, etc., which can solve the problem of backward power transmission capacity of the power grid and difficulty in meeting the peak value of the installed capacity of the system The load, user power quality and power supply reliability are increasingly demanding, and the effect of improving power quality is achieved
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[0012] The specific embodiment of the present invention is further described as follows in conjunction with accompanying drawing:
[0013] like figure 1 , 2 As shown, the energy storage device is composed of an electric circuit formed by connecting various electronic components. The electric circuit includes a bidirectional converter, a battery pack, a controller, a man-machine interface and a detection circuit. Electric input and load, the sampling circuit, man-machine interface and bidirectional converter are connected on the controller; the bidirectional converter is a voltage-type three-phase half-bridge rectifier / inverter, consisting of three single-phase half-bridge rectifiers The bridge arm of the bridge inverter is formed, and in the three-phase four-wire structure circuit, the neutral point of the storage battery pack is used as the output; the controller is a dual-CPU structure with a DSP chip and a single-chip microcomputer, and consists of a DSP chip, a single-chi...
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