On September 3, in order to timely complete the replacement of the high-voltage standby transformer relay protection devices at the central substation of Jihua Power Plant, the Relay Protection Institute went to the site in advance to prepare the construction plan. Jihua Power Plant is the hub substation of Jihua, and the Relay Protection Institute attaches great importance to this work. Leaders personally participated in the preparation of safety measures and plans, checked every wiring terminal carefully for safe operation. Before construction, staff fully prepared drawings, materials, and measure tickets, making good preparations for safe construction. Jihua staff praised: "You are the regular army of power production and construction." Through on-site inspection, a safety foundation was laid for the replacement of relay protection devices.
It is learned from BJX Power News that recently, the Jiaohe City domestic waste incineration power generation project in Jilin Province officially started construction. The project is located in the Dongshan area east of Tiedong Street, and is planned to be completed and put into operation in 2023. The project is implemented by Jiaohe Weiming Environmental Protection Energy Co., Ltd., adopting the investment-construction-operation (BOT) model with a concession period of 30 years. The total planned investment is 226 million yuan, and the design adopts a 1×500 tons/day incinerator, configured with
It is learned from BJX Energy Storage News that recently, the Tongyu Luneng 100,000 kW wind power project has been approved. It is understood that the project is invested by Jilin Tongyu Luneng New Energy Co., Ltd., with a total investment of 698.6871 million yuan, of which the project capital is 139.7374 million yuan, accounting for 20% of the total investment. The project includes the construction of 20 wind turbines with a single unit capacity of 5.0 MW, along with supporting box transformers, collector lines, and
On June 15, after the national video conference on energy supply guarantee for summer peak, the provincial government immediately held a provincial meeting on energy supply guarantee for summer peak. Deputy Secretary of the Provincial Party Committee and Governor Han Jun attended and delivered a speech. He emphasized the need to thoroughly implement the important instructions and spirit of General Secretary Xi's important speech, quickly implement the deployment of the national video conference, and play a "combination punch" of expanding sources, increasing reserves, ensuring supply, and stabilizing prices, to stabilize the province's economy.
On June 15, after the national video conference on energy supply guarantee for summer peak, the provincial government immediately held a provincial meeting on energy supply guarantee for summer peak. Deputy Secretary of the Provincial Party Committee and Governor Han Jun attended and delivered a speech. He emphasized the need to thoroughly implement the important instructions and spirit of General Secretary Xi's important speech, quickly implement the deployment of the national video conference, and play a "combination punch" of expanding sources, increasing reserves, ensuring supply, and stabilizing prices, to stabilize the province's economy.
It is learned from BJX Energy Storage News that on June 14, the Jilin Municipal Development and Reform Commission issued 50 measures to stabilize the economy of Jilin City. The document proposes to lay out a number of pumped storage power stations, accelerate the construction of the Jiaohe Pumped Storage Power Station project, strive to have the Jiaohe Tiangang Pumped Storage Power Station added to the national medium and long-term development plan as a key implementation project during the "14th Five-Year Plan" period, and take advantage of the "three zones and three lines" delineation opportunity to accelerate the adjustment of planning for pumped storage sites such as Huadian Hongshi and Shulan Yugou.
It is learned from BJX Power Sales Network that recently, the Jilin Municipal Development and Reform Commission issued 50 measures to stabilize the economy of Jilin City, including: reducing the cost of water, electricity, and gas for market entities. Fully implement the policy of "no suspension of supply for arrears" for water, electricity, and gas for small and micro enterprises and individual industrial and commercial households that have temporarily experienced operational difficulties due to the epidemic, set up a 6-month deferred payment period, and waive late fees during the deferral period. Guide key enterprises to participate in electricity market trading, promote industrial
It is learned from BJX Carbon Manager Network that recently, PetroChina Jilin Oilfield Branch (hereinafter referred to as Jilin Oilfield) took the lead in researching and forming a series of technologies for the benefit promotion and application of CCUS in the Hei125 block of the Carbon Dioxide Development Company, with significant social and economic benefits, reaching the international leading level, and of great significance for helping achieve the dual carbon goals. At present, long-term shut-in wells and converted pumping wells in the Hei125 block are gradually producing by natural flow, with daily oil production compared to
It is learned from BJX Energy Network that the Jilin Provincial Development and Reform Commission recently issued a notice on improving the price formation mechanism for coal market prices. It determines that the medium and long-term transaction price range for coal at the mine mouth in Jilin Province is 545-745 yuan per ton (5500 kcal, including tax). Without justifiable reasons, the upper limit of the reasonable price range for coal spot prices in Jilin Province shall not exceed 50% of the upper limit of the medium and long-term transaction price range for coal at the mine mouth in Jilin Province. Encourage coal-fired power generation enterprises and electricity users to trade in the electricity market.
It is learned from BJX Power Sales Network that the Jilin Provincial Development and Reform Commission recently issued a notice on improving the price formation mechanism for coal market prices. It determines that the medium and long-term transaction price range for coal at the mine mouth in Jilin Province is 545-745 yuan per ton (5500 kcal, including tax). Without justifiable reasons, the upper limit of the reasonable price range for coal spot prices in Jilin Province shall not exceed 50% of the upper limit of the medium and long-term transaction price range for coal at the mine mouth in Jilin Province. Encourage coal-fired power generation enterprises and electricity users to trade in the electricity market.
Recently, with the joint promotion of Jilin Bank, State Grid Jilin Electric Power Co., Ltd., and State Grid Yingda Carbon Asset Management (Shanghai) Co., Ltd., Jilin Bank and Cheng Lai Electric Technology Co., Ltd. landed the first carbon emission reduction linked loan in Northeast China. Cheng Lai Electric Technology Co., Ltd., as a provincial-level specialized and innovative enterprise, signed a carbon emission reduction linked loan contract with Jilin Bank Baicheng Branch based on the carbon capability assessment report, and obtained exclusive interest rate discounts when applying for the loan.
It is learned from BJX Power Transmission and Distribution Network that recently, Deputy Secretary of the Jilin Provincial Party Committee and Governor Han Jun dispatched the construction of key energy projects in Jilin Province. He emphasized seizing the "dual carbon" opportunity, leveraging the advantages of new and renewable energy sources such as wind, solar, water, and geothermal, accelerating the construction of key energy projects in Jilin Province, accelerating the transformation of resource advantages into industrial advantages, and making every effort to build a national-level clean energy production base. Han Jun pointed out that Jilin Province has abundant wind and solar resources, and unused
Public announcement of recommended winning candidates for the second batch of material bidding procurement projects of State Grid Liaoning Electric Power Co., Ltd. in 2022 (Bidding Number: 222202) [$NewPage$]
In the first quarter of this year, NARI Technology Co., Ltd. achieved a net profit attributable to shareholders of the listed company (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 business. It is understood that for the full year of 2021, NARI Technology achieved a net profit of
It is learned from BJX Power Transmission and Distribution Network that at 16:45 on May 11, with the completion of on-site configuration parameters, the first intelligent switch closing instantaneous overcurrent self-healing line in Lanxi was successfully put into operation. State Grid Lanxi Power Supply Company analyzed and studied 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
Guangdong Power Grid Company's fourth batch of special bidding in 2021 (substation panoramic operation information comprehensive analysis system, automation equipment integrated operation and maintenance management and control platform, relay protection tester and other materials) winning announcement
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 substations, 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
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 stops, the territory is frozen in the darkest moment, and humanity returns to an agricultural tribe 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 humans like the "cloud" end
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
Guizhou Power Grid Co., Ltd. 2021 second batch of provincial centralized procurement materials (secondary equipment) framework bidding announcement
It is learned from BJX Power Transmission and Distribution Network that on June 22, the Yunnan Provincial Development and Reform Commission approved the project of expanding the second main transformer of the 500 kV Rongxing Substation. 1. Project name: 500 kV Rongxing Substation expansion of the second main transformer project (project code -04-01-771331) 2. Construction location: Zhenxiong County, Zhaotong City, Yunnan Province. 3. Construction unit: Yunnan Power Grid Co., Ltd. 4. Project construction content
On June 16, the feasibility study review of the 110 kV interval expansion projects of two 220 kV substations in Baodi District, designed by State Grid Tianjin Economic Research Institute, was successfully completed, completing the key node of the design project and pushing the overall project into the next important stage. To meet the access of new users and improve the surrounding network structure, the two 220 kV substations need to expand the 110 kV power distribution devices to the final scale. The survey and design company conducted a detailed review of the necessity of the scheme, technical solutions, and
Infrastructure is an important support for economic and social development. Henan Province has always placed infrastructure construction in a very important position. On June 21, the Information Office of the People's Government of Henan Province held a press conference on comprehensively accelerating infrastructure construction to stabilize the economic market. Ma Jian, Secretary of the Party Leadership Group and Director of the Henan Provincial Development and Reform Commission, answered reporters' questions about the considerations and arrangements for the new batch of energy projects. Ma Jian:
It is learned from BJX Power Transmission and Distribution Network that on June 20, the 220 kV Panjin Chemical Substation in Liaoning was successfully put into operation. It is understood that the construction of the 220 kV Panjin Chemical Power Transmission and Transformation Project started in May 2021, with a total investment of 200 million yuan. It is a key project invested and constructed by State Grid Liaoning Electric Power Co., Ltd. in 2021.
Public announcement of recommended transaction candidates for the first batch of grid sporadic materials framework competitive negotiation procurement projects of State Grid Fujian Electric Power Co., Ltd. in 2022 (Procurement Project Number: 132254)
The Central China Power Grid consists of the power grids of Hubei, Hunan, Henan, and Jiangxi provinces. In 2020, the total electricity consumption of the Central China Power Grid was 909.5 billion kWh. As of the end of 2020, the total installed capacity of all sources was 275,390 MW (including 22,400 MW of Three Gorges Power Station). Within the region, inter-provincial interconnection is achieved through 1 1000 kV line and 4 500 kV lines in Hubei-Henan, and through 500 kV lines with other provinces. It is asynchronously interconnected with Sichuan-Chongqing through the Yu-E back-to-back, and with North China through 1 1000 kV line
It is learned from BJX Power Transmission and Distribution Network that on June 20, the Xiamen Municipal Bureau of Industry and Information Technology approved the project of main transformer capacity expansion of Xiamen Jiangtou 110 kV Substation by State Grid Xiamen Power Supply Company. 1. Project name: Xiamen Jiangtou 110 kV Substation main transformer capacity expansion project 2. Project code: Central code -06-01-122425 Local code: ZXM2022060016 3. Project construction unit: State Grid Fujian Electric Power Co., Ltd. Xiamen Power Supply
On June 16, in conjunction with the theme of the National Energy Conservation Publicity Week "Green, Low-Carbon, Energy Saving First", the "Dual Carbon Pioneer" service team of State Grid Tianjin Economic Research Institute went to Binhai Dagang Oilfield to carry out on-site survey and consulting volunteer services for the photovoltaic power generation project in the plant area. The service team members learned about the substations, operation modes, and electricity loads in the Dagang Oilfield plant area on site, especially conducting detailed and thorough inspections of the current secondary and communication equipment of the power grid.
Recently, the Huaibei 220 kV Ouchi Power Transmission and Transformation Project was successfully energized. This project is a key project for summer peak of Anhui Electric Power Co., Ltd. This phase constructs 2 transformers with a capacity of 480 MVA, 220 kV lines, and 110 kV lines.
On the evening of June 16, with the completion of the Dongdu Line, the key summer peak project of 2022 - the capacity expansion and renovation of the northbound incoming line of the 500 kV Huangdu Substation - was completed and put into operation, marking the completion of the four-year renovation of the main transformers and power distribution devices of the Huangdu Substation, providing more reliable power supply guarantee for Shanghai's summer peak and resumption of work and production. Put into operation in 1987, the Huangdu Substation is the first 500 kV substation in Shanghai and is also
The electrical primary and secondary equipment renovation project of the backup power substation of Shanxi Longkou Hydropower Station, undertaken by Yellow River Mingzhu Water Conservancy and Hydropower Construction Co., Ltd., has started, with a construction period of about 35 days. The main contents of this renovation include: building 1 new 35 kV main transformer; replacing about 37 switchgear cabinets, and replacing the enclosed bus duct boxes with fully insulated busbars; for the electrical secondary part, the substation automation system, protection and measurement control devices, safety automatic devices, etc. will be integrally
Important attempt at domestic localization of power secondary equipment: The first relay protection "domestic chip" of State Grid Gansu Dingxi officially put into operation
NARI Technology's total assets have increased 157 times in 17 years since listing, and five world-first technologies have solved problems and helped the Winter Olympics
National standard "Technical specification for engineering of power system relay protection and automation equipment cabinets (panels) (draft for local revision for comments)"
Important attempt at domestic localization of power secondary equipment: The first relay protection "domestic chip" of State Grid Gansu Dingxi officially put into operation
NARI Technology's total assets have increased 157 times in 17 years since listing, and five world-first technologies have solved problems and helped the Winter Olympics
National standard "Technical specification for engineering of power system relay protection and automation equipment cabinets (panels) (draft for local revision for comments)"
NARI Technology's total assets have increased 157 times in 17 years since listing, and five world-first technologies have solved problems and helped the Winter Olympics
Intelligent and safety dual upgrade: Schneider Electric launches EasergyMiCOMP5 relay protection device
Intelligent power distribution guardian, improving asset performance: Schneider Electric launches new generation relay protection device Easergy P3
v-phase protection air switchThree-phase relay protection testerThree-stage relay protection
