"Distributed smart grid" allows villagers to have their own "green power station"

Walking into Namu Village, Yangchang Township, Liupanshuipanzhou City, Guizhou, power grid construction personnel are methodically organizing poles, carrying cables and other equipment.
.
.
Recently, the first new power system demonstration zone invested and constructed by China Southern Power Grid Co.
, Ltd.
settled in Namu Village, which is also the first time that a new power system project has settled in Guizhou
.

According to Wang Zufeng, a staff member of Liupanshuipanzhou Power Supply Bureau, the project is mainly divided into two parts: power grid construction and scientific and technological equipment construction, and on-site construction personnel are intensively promoting the construction progress, and the overall progress of the power grid construction part has been completed by 75%.

Electricity is self-sufficient, with additional benefits

It is understood that the construction of the new power system demonstration area in Namu Village, Yangchang Township, will be implemented
in three stages from 2022 to 2025.
After the completion of the demonstration area, a "distributed smart grid" with multiple hierarchies will be implemented, and it is expected that by the end of 2022, some key technologies will be implemented in the demonstration area; In the next 2-3 years, the green and low-carbon ecological chain with "distributed smart grid" as the platform will initially achieve a closed loop in the demonstration area, forming a series of equipment and systematic solutions for
"distributed smart grid".

"We can generate electricity for our own use, and we can save electricity when we run out, and when we encounter transformer maintenance, the 'big charging treasure' at the entrance of the village can also supply us with power.
.
.
" Yang Xingtuan, secretary of the Namu Village Branch, is full of expectations
for this power system full of science and technology.
In Namu village, many villagers have their own "green power stations" on their roofs covered with solar panels, and they have their own "green power stations"
in the form of spontaneous self-consumption and surplus electricity on the Internet.
At present, there are 361 sets of residential rooftop distributed photovoltaic power generation devices that have been put into use in Namu Village, Yangchang Township, Panzhou City, each with a power of 3 kilowatts, and the photovoltaic power generation capacity will continue to increase
in the future.

"The construction of the demonstration project will promote the consumption of clean energy, ensure the electricity demand of users in the demonstration area, reduce the cost of electricity for users, and bring benefits
to villagers while ensuring green and safe electricity use.
" Wang Zufeng said that compared with the traditional power supply system, the new power system will store the electricity generated by the rooftop photovoltaic for users to use, and share it with other stations, and the unused power can be sold to the grid company, bringing additional income
.

Transform rural power grids and serve rural revitalization

In order to promote the strategy of serving rural revitalization in the three-year action of state-owned enterprise reform, consolidate and expand the achievements of poverty alleviation, and implement the goal of a new round of rural power grid transformation and upgrading projects, Guizhou Power Grid Liupan Water Supply Bureau took the lead in building an online supervision and inspection office platform, giving full play to the innovative driving role of digitalization and informatization, and realizing the closed-loop control
of timely reminders, tracking and handling, comprehensive feedback and effective supervision of supervision tasks 。 In the early stage of the project approval of the new power system demonstration zone, the bureau will include the early stage and construction work of the project into the special supervision, strictly control the time limit for handling the preliminary procedures, implement online supervision, telephone supervision, and document supervision on a weekly basis through the "digital + supervision" method, accurately grasp the key work nodes such as the early stage of the project can be studied and approved, the construction design approval and other key work nodes, regularly report the progress of the project, and implement the main responsibility from the perspective of supervision, so that the construction and commissioning time of part of the power grid construction project is shortened by 3 months compared with the original plan
。

China Southern Power Grid Guizhou Power Grid Co.
, Ltd.
adopts the construction idea of "flexible interconnection AC/DC hybrid microgrid construction", and helps the "distributed smart grid" to be demonstrated in Panzhou Yangchang Township through 4 key scientific and technological projects of China Southern Power Grid Co.
, Ltd.
and 1 science and technology support plan project of Guizhou Province, and recognizes Panzhou Yangchang Township as the "flexible distribution network demonstration area" of China Southern Power Grid, and will pilot the use of new technologies of AC and DC common pole erection, mutual assistance in the station area, distributed photovoltaic + energy storage, and the establishment of automation technology with a high proportion of photovoltaic distribution network.
Focus on solving the problems of power quality, network loss, fault isolation, distributed station area control and other issues, greatly improve the flexible and controllable ability of low-voltage distribution network, power flow interaction ability and voltage qualification rate of rural power grid, and finally build a flexible AC-DC interconnected rural smart microgrid
.
(Li Pump, Liu Lingling, reporter of this newspaper, He Xinghui)