The rapid development of the power system continuously puts forward new requirements for relay protection, and the rapid development of electronic technology, computer technology, and communication technology constantly injects new vitality into the development of relay protection technology. Therefore, relay protection technology has unique advantages. Today, the editor will share with you the relay protection manufacturers that are currently widely recognized by the market... [Details]
In the first quarter of this year, NARI Technology 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...
According to Polaris Transmission and Distribution Network, at 16:45 on May 11, with the completion of on-site configuration parameters, the first intelligent switch closing fast self-healing line in Lanxi was successfully put into operation. State Grid Lanxi Power Supply Company conducted daily load and fault analysis on the line...
Guangdong Power Grid Company's 2021 fourth batch of special bidding (substation panoramic operation information comprehensive analysis system, automation equipment integrated operation and maintenance control platform, relay protection tester and other materials) winning announcement...
Recently, Yunnan Power Grid Company has achieved 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 construction of smart grids...
Recently, the dispatching control center of Yunnan Power Grid Company has achieved 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 intelligent...
On February 16, the new generation secondary system unified monitoring and online operation and maintenance function of Zhejiang 220kV Yunhui Substation was launched, realizing unified monitoring and online operation and maintenance of secondary equipment in the substation, providing support for State Grid Zhejiang Electric Power Co., Ltd. to apply for relay...
At the beginning of the 20th century, Liu Cixin once described the future in "Ball Lightning" - human society is highly digitalized, with an unprecedented widespread dependence on chips. When struck by large-scale ball lightning, the world comes to a halt, and the country...
According to China Southern Power Grid Yunnan Power Grid Company, after 8 months of construction, the 110kV Jianshan Power Transmission and Transformation Project in Chengjiang City, Yunnan Province was completed and put into operation recently. This is the first intelligent substation put into operation in Yunnan. The 110kV Jianshan Substation...
Guizhou Power Grid Co., Ltd. 2021 second batch of provincial centralized procurement materials (secondary equipment) framework bidding announcement...
On July 20, employees of the dispatching control center of State Grid Chongqing Electric Power Company were testing some functions of the relay protection grid-related setting value control platform to ensure that the construction tasks of each stage of the platform proceed as planned...
Recently, State Grid Shandong Electric Power Research Institute completed the centralized functional test of setting value files based on blockchain technology, comprehensively verifying the application of blockchain technology in remote operation of relay protection setting values, promoting the digitalization of relay protection...
On June 5, this is following the 500kV Pingyao Substation precise load control system and the 220kV Yaoda Line DPFC distributed power flow...
On May 18, with the completion of information verification of the last set of DC relay protection devices at the ±800kV Tianshan Converter Station, State Grid Xinjiang Electric Power Co., Ltd. completed the data rectification work of the protection information system of the converter station. Relay protection specialty...
Vice Premier of the State Council Liu He: Attach importance to research and development of technologies such as smart grids, while promoting the development of green and efficient new energy
The Ministry of Finance's "Opinions on Financial Support for Achieving Carbon Peak and Carbon Neutrality" is conducive to the gradual establishment of a fiscal and tax policy framework for green and low-carbon development
State Grid Anhui Electric Power 2022 first batch of material agreement inventory public bidding procurement (applicable to qualification pre-review)
The General Office of the Central Committee and the General Office of the State Council issued the "Opinions on Promoting the Construction of Urbanization with Counties as Important Carriers"
State Grid's new power system science and technology research action plan 2022 special major science and technology project responsibility letter signed: ten key projects with research and development investment of 200 million yuan
Zhejiang Province Energy Development "14th Five-Year" Plan: Promote the construction of microgrids, local area networks, and DC distribution networks mainly based on new energy
Sichuan: Focus on new energy architectures and new energy industries such as energy internet, comprehensive energy, and new energy microgrids
Qingdao: Allow power generation enterprises to invest in the construction of transmission projects where grid enterprises have difficulties in construction or construction timing does not match
Fujian Fuqing "Rongsheng Plan" action plan: According to the principle of "maintaining and suppressing", focus on ensuring energy demand of enterprises above designated size
16 seriously dishonest power enterprises! Shandong Energy Regulatory Office carries out 2022 power business license credit supervision and inspection work
