Gree Electric Appliances, Inc. of Zhuhai

Wu Wen

Shiyong Jiang

Peng Ren

Zhigang Zhao

Jing Wang

Xuefen Zhang

Keqin Liu

Shugong Nan

Meng Li

Mingzhu Dong

Meng Huang

Ningning Chen

Xianqiao Yu

Lei Li

Dongrui Qu

Wenqiang Tang

Zunhui Xiao

Weijin Li

Xiao Luo

Lingjun Wang

Wenhao Wu

Jianjun Huang

Yunhong Zeng

Bei Chen

Baowei Lin

Disclosed in the present disclosure are a direct current power distribution method, a direct current power distribution device and a direct current power distribution system. The method includes: determining working modes of a direct current power distribution system, correspondingly obtaining, under different working modes, working parameters of the direct current power distribution system, and regulating operation of the direct current power distribution system according to the working parameters to achieve an electric energy balance of a power consumption side, a power generation side of a power grid, and an energy storage side. According to the embodiments of the present disclosure, by the regulating of the direct current power distribution system, an electric energy balance among the power consumption side, the power generation side of the power grid, and the energy storage side is achieved.

Electricity power storage and distribution method, device and system

An energy Internet system, an energy routing conversion device, and an energy control method, relating to a field of energy information. An alternating-current (AC) side energy routing conversion device of the energy Internet system includes a plurality of first route ports, and a direct-current (DC) side energy routing conversion device includes a plurality of second route ports, where each second route port is connected to a corresponding first route port by means of a corresponding DC busbar. A plurality of energy devices are connected to a DC busbar by means of corresponding first AC/DC converters or first DC converters. The AC side energy routing conversion device and the DC side energy routing conversion device collect energy information of the energy devices and adjust energy of the energy devices on a basis of energy balance constraint conditions.

Energy-internet system, energy routing conversion device, and energy control method

A photovoltaic air conditioning system startup method, a controller, and a photovoltaic air conditioning system. The photovoltaic air conditioning system starting method includes: when a photovoltaic device meets a preset power generation condition, controlling a bidirectional converter to enter an operating state; and when the bidirectional converter enters the operating state, controlling a direct current-direct current converter connected to the photovoltaic device to enter an operating state, so that the photovoltaic device provides electric energy to an air-conditioning device by means of the direct current-direct current converter.

Photovoltaic air conditioning system startup method, controller and photovoltaic air conditioning system

The present invention provides a power conversion method, apparatus, and device, and a medium. The power conversion apparatus comprises: a configurable input interface, a power conversion circuit, and a configurable output interface. The configurable input interface is provided to configure a first electrical connection mode between an input power supply and the power conversion circuit, and to electrically connect the input power supply to the power conversion circuit. The configurable output interface is provided to configure a second electrical connection mode between a load and the power conversion circuit, and to electrically connect the load to the power conversion circuit. The power conversion circuit is provided to perform corresponding power conversion according to a parameter of the input power supply and a parameter of the load. Embodiments of the present invention resolve the problem in the related art of poor general applicability of a power conversion apparatus, thereby improving the general applicability of the power conversion apparatus.

Power conversion method, apparatus, and device, and medium

A control method for a direct current electrical device and a direct current electrical device. The method includes: acquiring input parameters of a power supply of the direct current electrical device, identifying a type of the power supply according to the input parameters, and determining an operation mode of the direct current electrical device corresponding to the type of the power supply, and controlling an operation of the direct current electrical device according to the operation mode.

Control method for direct current electrical device and direct current electrical device

An energy control method and an energy control apparatus for a power consumption system. The energy control method includes: a step Sin which the energy control apparatus receives a starting-up request signal to start a power consumption device; a step Sof determining whether current power supply capacity of the power supply system meets a starting power requirement of the power consumption device to be started; and a step Sof sending a starting-up signal to the power consumption device to be started and controlling the power supply system to supply power to the power consumption device to be started, if the current power supply capacity of the power supply system meets the starting power requirement of the power consumption device to be started; wherein the energy control method continues to make a determination as to whether the current power supply capacity of the power supply system meets the starting power requirement of the power consumption device to be started, if the current power supply capacity of the power supply system does not meet the starting power requirement of the power consumption device to be started. The active control over a grid is achieved by the energy control method of the energy control apparatus, so that the safety of the grid is guaranteed, and the stable and reliable operation is achieved.

Energy control method and apparatus for power consumption system

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Zhuhai, China

Wu Wen