On the afternoon of August 8, the National Dispatch Center invited Teacher Huang to give a video learning session on relay protection related content. State Grid Ewenki Banner Power Supply Company organized dispatching and control personnel to actively participate in this learning session to improve their professional skills.
The meeting provided a detailed introduction and overview of the general methods for relay protection research and application, special issues in split-phase current differential protection, impedance action equations, the unification of analysis methods for different grounding systems based on oscillation trajectories, measurement impedance of lines on the same tower, analysis of high-resistance grounding faults, and the impact of series capacitors.
Through this learning session, the county-level dispatching and control personnel not only systematically studied relevant relay protection knowledge, but also gained direction for future learning in relay protection. More importantly, they can apply the knowledge in practical work, combining theory with practice to achieve complete mastery, thereby creating more value for State Grid Ewenki Banner Power Supply Company.
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On June 22, the "Work Guidelines for Electric Power 'Dual Carbon' Pilot Demonstration Parks" drafted by the Economic Research Institute's Dual Carbon Work Office to support the company was officially released, providing work guidance and experience reference for various units to carry out the construction of personalized electric power 'Dual Carbon' demonstration parks. The Guidelines focus on the whole process management of various parks from energy production to consumption, centering on clean energy supply, electrification of energy consumption, intelligent energy allocation, efficient energy utilization, and energy
It is learned from BJX Electricity Sales Network that Jiangsu Power Exchange Center recently issued a notice on submitting annual self-inspection reports and improving information disclosure materials, with a deadline of July 8. Details are as follows:
Recently, Anhui Datang Electric Power Maintenance and Operation Co., Ltd. passed the approval of the Anhui Provincial Market Supervision Administration and successfully obtained the "Special Equipment License for Boiler Installation, Renovation, and Maintenance", obtaining a "pass" for future work in the installation, renovation, and maintenance of pressure-bearing components of thermal equipment such as boilers and turbines. The "Special Equipment License for Boiler Installation, Renovation, and Maintenance" is the company's internal and external qualification for engaging in the installation, renovation, and maintenance of pressure-bearing components of thermal equipment such as boilers and turbines
On June 22, Beijing Power Exchange Center released an announcement on the results of the public announcement of changes in the business scope of electricity sales companies. From June 8, 2022 to June 21, 2022, Beijing Power Exchange Center conducted a public announcement of the applications of four electricity sales companies, including CNNC Zhejiang Electric Energy Service Co., Ltd., to reduce their business scope, and the relevant provincial power exchange centers simultaneously conducted public announcements. During the announcement period, no objections were raised by relevant parties in the market to the reduction of business scope by the above four electricity sales companies. According to
This June marks the 21st National Safety Production Month, and June 16 is the National "Safety Publicity and Consultation Day". On that day, Anhui Datang Electric Power Maintenance and Operation Co., Ltd. organized various project departments to hold the 2022 "Safety Production Month" consultation day publicity activities to popularize safety knowledge and promote safety culture. The company's Zhenjiang project department, together with the owner's safety supervision department, carried out a safety production initiative signing activity, distributed safety production publicity brochures, and widely publicized safety knowledge.
It is learned from BJX Electricity Sales Network that Qinghai Power Exchange Center has further standardized the information disclosure work of market entities. Details are as follows:
It is learned from BJX Electricity Sales Network that as of May 2022, the Hubei Electric Power Trading Platform has registered a total of 8,499 market entities. Details are as follows:
It is learned from BJX Electricity Sales Network that on June 21, Fujian Power Exchange Center announced the changes in the business scope of electricity sales companies in June 2022. Details are as follows:
On June 21, Jiang Yi, Director, General Manager, and Deputy Secretary of the Party Group of State Power Investment Corporation, visited Huawei's Beijing Research Institute for research and held talks with Sun Fuyou, CEO of Huawei's Electric Power Digitalization Corps. The two sides conducted in-depth exchanges on energy digital transformation, the construction of new power systems, the development of integrated smart energy, and future cooperation. Jiang Yi expressed gratitude for Huawei's long-term support and affirmed the achievements of previous cooperation. Jiang Yi said
Recently, it was clarified that China Resources Group will be officially transformed into a state-owned capital investment company, realizing the separation of state-owned capital ownership and enterprise management rights, and implementing market-oriented operation of state-owned capital. China Resources Group is one of the most powerful diversified enterprises in Hong Kong and mainland China, with a history of over 80 years. Its business covers large-scale consumption, integrated energy, urban construction and operation,
Announcement of recommended winning candidates for the second material procurement bidding project of State Grid Liaoning Electric Power Co., Ltd. in 2022 (Bidding Number: 222202)[$NewPage$]
In the first quarter of this year, NARI Technology achieved a net profit attributable to shareholders of listed companies (referred to as net profit) of 379 million yuan, a year-on-year increase of 88.37%. The company stated that during the reporting period, the net profit attributable to shareholders of the listed company was 379,084,849.02 yuan, a year-on-year increase of 88.37%, mainly due to the growth of the grid automation and industrial control and power automation information communication businesses. It is understood that for the full year of 2021, NARI Technology achieved a net profit of
It is learned from BJX Transmission and Distribution Network that at 16:45 on May 11, with the completion of on-site configuration parameters, the first intelligent switch closing fast-break self-healing line in Lanxi was successfully put into operation. State Grid Lanxi Power Supply Company conducted research and analysis on the daily load and fault information of the line, and selected the protection and automation parameters of the pilot line based on the protection characteristics of substation relay protection and intelligent switches. Previously, relying on fault indicators for manual line inspection to find fault points and local operation to restore
Announcement of winning bids for the fourth batch of special bidding of Guangdong Power Grid Company in 2021 (materials such as substation panoramic operation information comprehensive analysis system, automation equipment integrated operation and maintenance management and control platform, relay protection tester, etc.)
Recently, Yunnan Power Grid Company realized the pilot application of full-link monitoring of the process layer network, including process layer switches, improving the operation and maintenance management level of relay protection in intelligent substations. It is understood that with the advancement of smart grid construction, the problem that process layer network switches in substations cannot be effectively monitored has been troubling operation and maintenance management personnel. Network fault analysis and troubleshooting are difficult, faults cannot be reproduced, and there is a lack of technical means to accurately locate faults, which hinders
Recently, the Dispatching and Control Center of Yunnan Power Grid Company realized the pilot application of full-link monitoring of the process layer network, including process layer switches, improving the operation and maintenance management level of relay protection in intelligent substations. It is understood that with the advancement of smart grid construction, the problem that process layer network switches in substations cannot be effectively monitored has been troubling operation and maintenance management personnel. Network fault analysis and troubleshooting are difficult, faults cannot be reproduced, and there is a lack of technical means to accurately locate faults,
On February 16, the new generation secondary system unified monitoring and online operation and maintenance function of Zhejiang 220 kV Yunhui Substation was launched, realizing unified monitoring and online operation and maintenance of secondary equipment in the substation, laying the foundation for State Grid Zhejiang Electric Power Co., Ltd. to apply for new standards for intelligent operation and maintenance of relay protection. In 2021, the company published and initiated three power industry standards for intelligent operation and maintenance of relay protection, building a relatively complete standard system for intelligent operation and maintenance of relay protection. In recent years, with the
At the beginning of the 20th century, Liu Cixin once described a future scenario in "Ball Lightning" - human society is highly digitized, with an unprecedented widespread dependence on chips. When hit by large-scale ball lightning, the world comes to a standstill, the territory is frozen in a dark moment, and humanity returns to an agrarian tribal era before the advent of electricity. Such an extreme crisis seemed like a fantasy at the time, but now, with the rapid advancement of informatization, chips are to humanity like the "cloud"
According to China Southern Power Grid Yunnan Power Grid Company, after 8 months of construction, the 110 kV Jianshan Power Transmission and Transformation Project in Chengjiang City, Yunnan Province, was recently completed and put into operation. This is the first intelligent substation put into operation in Yunnan. The 110 kV Jianshan Substation is one of the 16 intelligent substations of China Southern Power Grid. Compared with traditional substations, the advantages of intelligent substations are mainly reflected in intelligent operation, intelligent inspection, intelligent safety, etc. It is understood that the 110 kV Jianshan Substation is
Announcement of bidding for the second batch of provincial centralized procurement materials (secondary equipment) framework bidding of Guizhou Power Grid Co., Ltd. in 2021
Shu Yinbiao's speech at the video conference on conveying the spirit of the Fifth Plenary Session of the 19th Central Committee of the Communist Party of China
On October 26, the Fifth Plenary Session of the 19th Central Committee of the Communist Party of China was held in Beijing. This plenary session was an important meeting of overall and historic significance held at a critical moment when China is about to complete the building of a moderately prosperous society in all respects, achieve the first centenary goal, and take advantage of the momentum to embark on a new journey of building a modern socialist country in an all-round way and march towards the second centenary goal. The work report made by General Secretary Xi Jinping on behalf of the Political Bureau of the Central Committee at the plenary session,
Recitation + research study session + remote video! Xinjiang Yue Hydropower takes multiple measures to set off a wave of learning the third volume of "Xi Jinping: The Governance of China"
In order to promote all party members, cadres, and the masses to deeply understand Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era, the party branches of Xinjiang Yue Hydropower Energy Co., Ltd. (hereinafter referred to as Xinjiang Energy Company) actively organized various forms and innovative special learning activities on the third volume of "Xi Jinping: The Governance of China". The company has a strong learning atmosphere and quickly set off a wave of learning. Figure 1: The leadership team of Xinjiang Yue Hydropower Energy Co., Ltd. learning
The Ministry of Ecology and Environment held a collective learning video conference on the special governance work of "taking cases as a mirror to create a good political ecology"
On September 26, the Ministry of Ecology and Environment held a national video conference on the collective learning of the special governance work of "taking cases as a mirror to create a good political ecology" in the national ecological environment system, along with a special counseling report meeting. Li Ganjie, Secretary of the Party Group and Minister of the Ministry of Ecology and Environment, presided over the meeting. Lu Xi, member of the Standing Committee of the Central Commission for Discipline Inspection and member of the National Supervisory Commission, was invited to give a special report on the newly revised "Regulations of the Communist Party of China on Disciplinary Actions". Lu Xi closely combined the party conduct and clean government construction and anti-corruption work since the 18th National Congress of the Communist Party of China
China Power Investment Group held a video conference to convey the spirit of Comrade Xi Jinping's important speech
On April 9, China Power Investment Group held a video and telephone conference to convey and study Comrade Xi Jinping's important speech, Comrade Wang Yong's important instructions, and the spirit of Comrade Zhang Yi's speech throughout the system. Lu Qizhou, Secretary of the Party Group and General Manager of the Group, attended the meeting and put forward requirements for learning and implementing the spirit of the speech. Meng Zhenping, member of the Party Group and Deputy General Manager, presided over the meeting. Wang Xianwen, member of the Party Group and Secretary of the Discipline Inspection Group, conveyed the spirit of the leaders' speeches and instructions. Members of the Party Group and Deputy General Managers Yu Dehui, Yu Jianfeng, Su Li, and Zou Zhengping attended the meeting. Lu Qizhou pointed out that leading cadres at all levels in the group system should seriously study and deeply understand the spirit of Comrade Xi Jinping's important speech, closely combine it with the spirit of the 18th National Congress of the Communist Party of China, the Third Plenary Session of the 18th Central Committee, and the Third Plenary Session of the 18th Central Commission for Discipline Inspection, closely combine it with the spirit of General Secretary Xi Jinping's series of important speeches, continuously enhance ideological and action consciousness, and effectively
On April 18, Kezuo Zhongqi Rural Power Bureau held a video conference to learn the "State Grid Safety Accident Express". The bureau's production leaders, safety supervision, production, dispatching, and work area personnel above the specialist level, as well as the directors, deputy directors, safety officers, technicians, and outside line personnel of each grassroots power supply business office, attended the meeting. There was 1 main venue and 15 branch venues. The meeting was presided over by the director of the Safety Supervision Department. At the meeting, the participants seriously studied the "3.7" personal accident express of Fujian Ningde Electric Power Bureau and the "4.12" personal accident express of Shandong Liaocheng Power Supply Company. At the same time, in order to further improve the safety awareness of all employees and learn lessons from the accidents, the meeting also studied the electric arc burn accident express of Jiangsu Power Transmission and Transformation Company and the Kezuo Zhongqi Rural Power Bureau of Chifeng City
In order to thoroughly implement the spirit of the 2013 safety production conference of Mengdong Company, Hulunbuir Power Supply Company held a video conference on 2013 safety production and spring inspection mobilization on April 15. The meeting read out the company's key work requirements for the 2013 spring inspection. The Dispatching and Control Center, Information and Communication Branch, Operation and Maintenance and Repair Department, and Safety Supervision and Quality Department put forward professional management requirements for 2013 safety production. General Manager Zhang Lei made an important speech on 2013 safety production work, and Deputy General Manager Wang Dongsheng made a work report on 2013 safety production and spring inspection mobilization titled "Seeking Truth and Pragmatism, Forging Ahead, Comprehensively Improving Safety Production Management Level". After the meeting, the director of Zhalantun Maintenance Work Area, production safety management personnel, and each team leader conducted a second learning session on the spirit of the meeting, conveyed the spirit of the meeting to each team and substation, and personnel above the team leader level
This newspaper news: On the afternoon of April 2, the video conference of the leading group of the learning and practice activity of the central enterprises was held in Beijing. Li Qingkui, Secretary of the Party Group, Deputy General Manager, and leader of the learning and practice activity leading group of the Group, attended the meeting at the group headquarters. At the meeting, the leader of the central learning and practice activity leading group, the leader of the central enterprise learning and practice activity leading group, and the Secretary of the Party Committee and Director of the State-owned Assets Supervision and Administration Commission conveyed the spirit of the important speech of the member of the Political Bureau of the CPC Central Committee, Secretary of the Secretariat of the CPC Central Committee, and Minister of the Organization Department, summarized the situation and existing problems since the launch of the learning and practice activity, and put forward six requirements for further activities: first, closely link with the current economic situation, deepen the understanding of
This newspaper news: On the morning of March 2, the State-owned Assets Supervision and Administration Commission held a video conference on the mobilization meeting for central enterprises to deeply study and practice the Scientific Outlook on Development. The meeting conveyed the spirit of the summary meeting of the first batch of central learning and practice activities of the Scientific Outlook on Development and the mobilization meeting of the second batch of learning and practice activities held on February 27 and 28, and made mobilization and deployment for the learning and practice activities of central enterprises. The group's leaders in Beijing, including Yun Gongmin, Li Qingkui, Chen Feihu, Cheng Niangao, Ren Shuhui, Deng Jianling, Wang Huaishu, and Jiang Liangping, as well as all members of the group's learning and practice of the Scientific Outlook on Development activity leading group and office, and the main party and government leaders of each directly affiliated unit in Beijing, a total of 50 people, attended the group's branch venue
On April 9, Guodian Shandong Company carefully organized to watch the video conference of the group company system cadres at the Shiheng Power Plant branch venue. On April 10, the Party Group of Guodian Shandong Company held a meeting to make arrangements for seriously learning and implementing the important speeches of Zhu Yongpeng, General Manager and Deputy Secretary of the Party Group of the Group Company, and Li Qingkui, Secretary of the Party Group and Deputy General Manager of the Group Company. The Party Group of Shandong Company required that to seriously implement the spirit of the video conference of the group company system cadres, it is necessary to seriously analyze the severe situation facing the company and strive to do the current work well. First, deeply carry out the "hidden danger governance year" activity, strengthen equipment governance and technical measure guarantees, and ensure safe production. Second, deeply carry out the operation and management activity with the theme of "internal potential tapping, turning losses into profits". Grasp key links such as fuel management, operation management, and financial management


