Gree Electric Appliances, Inc. of Zhuhai

Zhigang Zhao

Ying Chen

Shiyong Jiang

Xuefen Zhang

Chongyang Feng

Jinrong Yuan

Han Liu

Peng Ren

Wu Wen

Meng Li

Mingzhu Dong

Keqin Liu

Lei Li

Weijin Li

Dongrui Qu

Shugong Nan

Wenqiang Tang

Xiao Luo

Lingjun Wang

Jiangxi Song

Jing Wang

Meng Huang

Ningning Chen

Yingyi Jiang

Huaican Liu

Xia Liu

Hongming Liu

Wenbing Cao

Wenhao Wu

Xiaolong Huang

Jiahui Lin

Delin Yan

Bei Chen

Qiulian Li

Jianjun Huang

Yunhong Zeng

Junzhe Huang

Baowei Lin

Chunyang Wang

Yuanhua Lai

Junhao Liao

Xiangqian Li

Yutong Li

Yuming Zhao

Bin Hao

Yibin Tong

Chunmiao Jiang

Chenglin Lin

Haichuan Song

Yuxue He

Wenjun Guo

The present disclosure provides a control method for a current-limiting control circuit and an electrical system. The current-limiting control circuit includes a high voltage side connected with a direct-current (DC) bus, a low voltage side connected with a load, and a regulating unit connected with the high voltage side and the low voltage side, the regulating unit including at least one MOS transistor, and the control method includes: detecting current Iof the current-limiting control circuit; determining whether the current Iis greater than a preset current I; and determining that the current-limiting control circuit has a short circuit fault, and entering a current limiting control mode to limit a persistent growth of the current, in a case where the current Iis greater than the preset current I.

Control method for current-limiting control circuit and electrical system

The present disclosure provides a current transformer, a method for distributing electric energy using the same, and an electric energy distribution system, and relates to the technical field of household appliances. The method includes: calculating distribution coefficients of energy required for loads according to the number of the loads and rated energy demands of the respective loads; acquiring energy demand ranges of the loads; and distributing energy to the loads according to the energy demand ranges and the distribution coefficients based on energy of a power supply end.

Current transformer, method for distributing electric energy using same, and electric energy distribution system

The present disclosure provides an energy transmission method, an energy router and an operation control device thereof, and a storage medium, and relates to the field of energy network technology. The energy router of the present disclosure includes a plurality of ports configured to perform at least one of receiving or sending energy and PLC data, energy transmission switches, each of the energy transmission switches is configured to control open and closed states of one port of, and a routing processor configured to determine an energy transmission path according to the PLC data and stored routing information, determine a corresponding port associated with the energy transmission path, and turn on an energy transmission switch of the corresponding port, for the energy outputting from the corresponding port.

Energy transmission method, energy router and operation control device thereof, and storage medium

The present disclosure relates to the technical field of smart home, and provides a direct current load response control method and device, and a direct current electric appliance. The direct current load response control method of the present disclosure comprises: monitoring a utilization voltage of a direct current load; determining whether the utilization voltage is within a response interval; and controlling the operation of the direct current load according to the determination result and the type of the direct current load.

Direct current load response control method and device, and a direct current electric appliance

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

The present disclosure discloses a DC home power consumption system and a wiring method for home appliances based on the system. The system includes: a home power supply configured to supply power for the home power consumption system; a high-voltage DC bus connected to the home power supply and configured to supply power for a high-power appliance; a low-voltage DC bus connected to the home power supply or the high-voltage DC bus and configured to supply power for a low-power appliance.

DC home power consumption system and wiring method for home appliances based on the system

The present disclosure relates to a direct current (DC) plug, a DC socket and electric equipment. The DC plug is configured to be connected to a DC socket to supply power to an electrical equipment. The DC plug includes: a center contact, including a first center contact side surface, a second center contact side surface, a third center contact side surface and a fourth center contact side surface, wherein the first center contact side surface and the second center contact side surface are oppositely disposed, and the third center contact side surface and the fourth center contact side surface are oppositely disposed; first plug current conductors, disposed on the first center contact side surface and the second center contact side surface; and second plug current conductors, disposed on the third center contact side surface and the fourth center contact side surface.

Direct current plug, direct current socket and electric equipment

The disclosure provides a photovoltaic electric appliance system and a voltage protection value control method and apparatus thereof, and a controller. The photovoltaic electric appliance system includes: a photovoltaic power generation module, an electric appliance, and a grid-connection module. Said control method comprises-: acquiring the working states of the photovoltaic power generation module, the electric appliance and the grid-connection module; and according to the working states of each, determining an operation mode of the photovoltaic electric appliance system, and setting a voltage protection range of the photovoltaic electric appliance system according to the operation mode. By determining whether the grid-connection module is working, whether the electric appliance is working, and whether the photovoltaic power generation module is working, and by setting voltage protection values respectively for different working modes, the invention achieves the effect of compatibility of protection values and improves the system performance.

Photovoltaic electric appliance system, method and device of controlling voltage protection value thereof

The present disclosure relates to a control method, a load and a power grid system. The method includes: detecting (S) a voltage change parameter on a power supply side; analyzing (S) a load control strategy corresponding to the voltage change parameter; controlling (S) an operation of the load according to the load control strategy. The solution solves the problem of inadequate communication facilities in the DC micro-grid, the DC home communication can be completed without or with less dedicated communication circuits, accordingly the system cost is reduced.

Control method, load and power grid system

A double glass module, including a front panel glass (), a first adhesive film (), a solar cell pack group (), a second adhesive film (), aluminum foil (), a third adhesive film () and a rear panel glass () successively stacked. The aluminum foil is added in front of the rear panel glass of a double glass module, and since the aluminum foil has a high light reflectivity, the reflection effect for transmitted light energy is improved, so that the power of the double glass module is significantly enhanced. Meanwhile, since the aluminum foil has a better heat conductivity, the heat generated by the solar cell pack group can be conducted and dissipated in time, so that the temperature of the double glass module is reduced in time, thereby reducing a temperature coefficient impact factor, and prolonging a daily mean efficient power output time of the double glass module.

Double glass module

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

A method for controlling a photovoltaic air conditioning system. The method comprises: detecting a grid frequency (); when the detected grid frequency is not equal to a pre-set frequency, calculating and obtaining a control parameter according to the detected grid frequency (); and controlling a photovoltaic air conditioning by means of the calculated and obtained control parameter (). Also disclosed is a photovoltaic air conditioning control device.

Method and device for controlling photovoltaic air conditioning system

A method for controlling an air conditioner outdoor unit comprises: acquiring the working mode of the air conditioner outdoor unit; acquiring sensor parameters of the air conditioner outdoor unit according to the working mode, the sensor parameters including wind direction parameters read by a wind direction sensor () or temperature parameters read by a temperature sensor (); determining control parameters for the air conditioner outdoor unit by the working mode and the sensor parameters corresponding to the working mode; driving the rotating speed of a fan () and the rotating angle of a wind direction adjusting device () by use of the control parameters. In addition, a control system for the air conditioner outdoor unit is also related to.

Method and system for controlling air conditioner outdoor unit

A monitoring system for air conditioning systems based on distributed power generation and an air conditioning system using same. The monitoring system for air conditioning systems comprises a distributed power generation monitoring subsystem, a heating and ventilation energy management subsystem and a main monitoring system. The distributed power generation monitoring subsystem and the heating and ventilation energy management subsystem respectively monitor power generation status information of a distributed power generation device in an air conditioning system based on distributed power generation and power consumption status information of inherent devices in the system. The main monitoring system acquires monitoring data of the two subsystems by using a uniform first transmission protocol. In addition, the main monitoring system controls the distributed power generation device and the inherent devices in the air conditioning system according to the power generation status information and the power consumption status information.

Monitoring system for air conditioning systems based on distributed power generation and air conditioning system using same

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Guangdong, China

Zhigang Zhao