Demand reduction amount calculation method, device and system
A reduction and demand reduction technology, which is applied in the field of devices and systems, calculation methods of demand reduction, and can solve problems such as inability to calculate demand reduction
Pending Publication Date: 2020-09-22
HEFEI SUNGROW RENEWABLE ENERGY SCI & TECH CO LTD
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However, for users who use the actual maximum demand to pay the basic electricity fee, since the maximum demand before the user uses the energy storage device for power supply cannot be directly measured, it is impossible to use the maximum demand before the application of the energy storage device for power supply and the application of energy storage. The maximum demand after the equipment is powered on calculates the demand reduction amount, and how to accurately calculate the demand reduction amount when billing according to the actual maximum demand has become a technical problem that needs to be solved urgently in this field
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[0055] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0056] In the present invention, in the case that the user is billed according to the actual maximum demand, the power of the electric meter at the public access point of the power grid is used as the power supplied by the energy storage device, and the power of the energy storage grid-connected point is used as the power supply of the energy storage device , to realize the accurate calculation of the demand reduction amount under the mode of billing according ...
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The invention discloses a demand reduction amount calculation method, a device and a system. Under the condition that the user charges according to the actual maximum demand, the power of the power grid public access point ammeter is used as the power after power supply of the application energy storage equipment; the power of the energy storage grid-connected point is used as the power supply power of the energy storage equipment; the power, determined by the difference value between the power of the power grid public access point ammeter and the power of the energy storage grid-connected point, of the application energy storage equipment before power supply can be accurately obtained; therefore, the demand amount of each sampling point before the energy storage equipment is used for supplying power can be accurately calculated according to the power of each sampling point before the energy storage equipment is used for supplying power, and the maximum demand in the preset charging period is obtained, so that the demand reduction amount is accurately calculated.
Description
technical field [0001] The present invention relates to the field of electric power technology, and more specifically, to a calculation method, device and system for demand reduction. Background technique [0002] With the continuous innovation of technologies such as distributed photovoltaic, distributed wind power, energy storage technology and micro-grid, more and more users have installed distributed power sources such as distributed photovoltaic power generation, distributed wind power, and energy storage power stations. These distributed power sources supply power to users through energy storage equipment, which reduces the maximum demand for power consumption of the user's grid and brings benefits to users due to demand reduction. [0003] At present, there are two methods of charging according to the maximum demand, one is to charge according to the maximum demand of the contract agreed in advance, and the other is to charge according to the actual maximum demand. F...
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IPC IPC(8): G06Q10/06G06Q50/06G06N3/04G06N3/08
CPCG06Q10/06315G06Q50/06G06N3/084G06N3/045
Inventor 魏正佳翁炎
Owner HEFEI SUNGROW RENEWABLE ENERGY SCI & TECH CO LTD