An active demand energy storage design method for air-conditioning nonlinear group load operation
A technology of load operation and active demand, applied in AC network load balancing, AC network to reduce harmonics/ripples, harmonic reduction devices, etc., can solve energy loss, high peak demand of grid power consumption, unfavorable grid operation, etc. problem, to achieve the effect of effective utilization and effective energy storage capacity
Active Publication Date: 2018-12-21
NANTONG UNIVERSITY
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[0003] The purpose of the present invention is to solve the problem that nonlinear group load operation brings harmonics to the power grid, and at the same time causes a large amount of energy loss. Active filtering requires a DC power supply. The rectification process may bring harmonics for the second time, and the second harmonic processing power supply requires 24 Hourly uninterrupted power supply, higher peak demand of grid power consumption, very unfavorable to technical problems of grid operation, an active demand energy storage design method for air-conditioning nonlinear group load operation
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[0023] Such as figure 1 , figure 2 , image 3 As shown, an active demand energy storage design method for air-conditioning nonlinear group load operation designed by the present invention includes energy storage capacity for harmonic control active filtering and peak-valley compensation energy storage capacity considering the energy supply and maintenance characteristics of air-conditioning environments Design, this method closely combines the start-up, operation and energy consumption characteristics of air-conditioning nonlinear group loads, and considers the demand pressure of power grid peak regulation and dispatching reserve capacity, and proposes a harmonic processing and energy dispatching scheme for energy storage to participate in nonlinear group load operation. Firstly, calculate the electric energy required for harmonic processing on the basis of analyzing the harmonic components of nonlinear group load operation; secondly, combine the actual feasibility of group ...
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The invention relates to an air conditioning nonlinear group load operation active demand energy storage design method, belonging to the technical field of control system. In combination with the characteristics of start-up, operation and energy consumption of air conditioning nonlinear group load, considering the demand pressure of peak load regulation and dispatching reserve capacity, the methodproposes a scheme of energy storage participating in harmonic treatment and energy dispatching of nonlinear group load operation. At first, the power required for harmonic process is calculated on the basis of analyzing the harmonic component of the nonlinear group load operation; Secondly, in combination with the practical feasibility of energy-saving operation dispatching of multi-load and gridfault and peak-valley compensated energy active demand, the peak-valley compensated energy storage capacity is calculated. Finally, in combination with the above two functional requirements, the total energy storage capacity is configured, energy scheduling management design is performed. The invention has reasonable configuration of energy storage and reasonable dispatching strategy, and can realize active demand management of nonlinear group load operation.
Description
technical field [0001] The invention relates to an active demand energy storage design method for air-conditioning nonlinear group load operation, which belongs to the technical field of control systems. Background technique [0002] In response to energy-saving policies, many air-conditioning manufacturers have launched inverter air conditioners, but a large number of energy-saving inverter air conditioners connected to the power grid will cause a large number of harmonics to the power grid, affecting the normal operation of other equipment and affecting power quality. The non-sinusoidal current generated by the air-conditioning nonlinear group load is the harmonic source of the public power grid. Since the harmonic source injects harmonic current into the power grid, a harmonic voltage drop is generated on the circuit impedance, which is superimposed with the sine wave voltage, resulting in The grid voltage waveform is distorted, which affects the quality of power supply. ...
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IPC IPC(8): H02J3/01H02J3/28
CPCH02J3/01H02J3/28Y02E40/40
Inventor 朱建红孟棒棒陈泽宇李志鹏陈世昌刘怀雨樊科朱啸天王乐杰
Owner NANTONG UNIVERSITY
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