NR Electric Co., Ltd News

NR successfully delivered a ±300MVar containerized Static Synchronous Compensator (STATCOM) system and series equipment in the 500kV Wujiang substation, Suzhou City, China. As one of the world’s largest-capacity STATCOM system, this project was equipped total capacity of ±300MVar STATCOM, which includes 3 sets of ±100MVar STATCOM; moreover, the maximum output capacity reach to ±450MVar in the failure state. Smart Grid Solutions NR offers a field-proven advanc...

On June 7, 2021, the generator terminal subsynchronous damping control (GTSDC) system of Datang Xilinhaote (Xilinhot) power plant completed the oscillation suppression test and put into operation successfully. NR worked as the total solution provider for this project. The successful operation of the system enhances the damping performance of the complex resonance between the generator and the grid, and can effectively solve the torsional vibration problem of the turbine generator shaft system u...

On June 3, the Huzhou distributed power flow controller (DPFC) pilot project, developed and supplied by NR, successfully withstood the manual short circuit test. The system responded accurately and the test results met the expectations. The success of this manual short-circuit test fully verified the ability of NR DPFC ability to withstand AC short-circuit current, AC fault ride through ability, and the accuracy of cooperation with AC line protection, marking that the 220 kV DPFC project has al...

On January 20, 2022, the first converter valve of the China Great Bay Area DC back-to-back project was successfully put into operation for the first time, marking an important step forward for the interconnection of the core areas of the Eastern and Western Pearl River Delta of the Guangdong power grid. The converter valves were supplied by NR. Unit 1 on the East side of Guangzhou took the lead in entering the system commissioning stage among the four units of the whole project, creating a new...

Luxi Island microgrid system, which was designed, supplied, commissioned and delivered by NR, has been successfully put into operation. The system effectively solved the black start problem of 10kV feeder level microgrid with impulsive load, and has won high recognition from users with an advanced and intelligent control strategy, a stable and reliable microgrid system. Power supply of Luxi Island The power supply of Luxi Island was transmitted remotely by submarine cables Luxi Island is loc...

On May 11, 2022, Hunan 500kV Shuicheng substation successfully put into operation. The substation is the first 500kV intelligent substation in Hunan Province to realize the remote "one key sequence control" function. The implementation and application of remote "one key sequence control" enables the staff of Changsha EHV centralized control station to operate the 500 kV Shuicheng substation equipment more than 300km away only in front of the centralized control computer, greatly shortened the o...

On May 30, the first 100MWp tidal photovoltaics power station in China was connected to the grid with full capacity. This is the first time that China has complementary developed solar and tidal energy. The successful grid connection of this power station marks that China has made new achievements in the field of comprehensive utilization of marine energy. NR Electric provides a complete set of protection and monitoring equipment for the project, and implements the engineering integration of 11...

On June 17, 2022, the world's first 35kV high-voltage direct coupled energy storage system developed by NR was successfully connected to the grid in Shaoxing Hongxu energy storage power station in China. It not only helps to achieve the efficient use of clean energy and promote the green and low-carbon transformation, but also enhances the flexible regulation capacity of the power grid. High voltage direct coupled energy storage not only reduces the electrical distance from the main grid, but a...

On June 8, 2022, NR controlled switching device was successfully put into operation in Fengning pumped storage power station with the largest installed capacity in the world, which successfully ensured that the pumping and storage power station units were connected to Zhangbei flexible DC power grid. This is the first application of NR's controlled switching device in a large-scale pumped storage project. Fengning pumped storage power station is a key project serving the Beijing Winter Olympics...

Recently China’s largest offshore oilfield group using land grid power supply application project - CNOOC Bozhong-Kenli Oilfield Group Shore Power Application Demonstration Project in the Bohai Sea region was successfully put into operation. Bozhong Kenli Oilfield shore power project includes onshore 220kV Haiguo switching station, offshore 220kV Haitai electric power platform, 220kV Haimin electric power platform, 220kV Hai'an electric power platform and 110kV Haixiang electric power pla...

Tingshan Frequency Converter Station of Hangzhou Flexible Low Frequency Transmission Pilot Project has been officially put into operation. It is the first time in the world to realize 220kV voltage level power frequency and low frequency controllable transformation. Flexible low-frequency transmission is a new type of AC transmission technology whose frequency is lower than the power frequency, which can effectively improve the transmission capacity, distance and efficiency of transmission line...

Recently, Baihetan - Zhejiang ± 800kV UHV DC transmission project (referred as "Baizhe project") has been completed, and put into operation. The BaiZhe Project is a major clean energy project to promote the energy structure adjustment, energy conservation and emission reduction. It shoulders the strategic mission of delivering the power of the world's second largest hydropower station which is Baihetan hydropower station. New power giant dragon The project starts from Jinsha River conv...

Recently, the “Lishui Hydro-photovoltaic hydrogen production Biomass Near Zero Carbon Energy Pilot Project " was officially put into operation, which is the first rural hydrogen energy ecological project in China. NR has provided PCS-9150 PRO distributed control system (DCS) for this project, which can carry out the integrated and coordinated control of polymer electrolyte membrane (PEM) electrolytic hydrogen production, solid oxide fuel cell (SOFC) and methanation device, realizing the e...

The 30MVar STATCOM PROJECT at 33kV Roofings SUBSTATION OF UMEME LIMITED UGANDA, was successfully put into operation. NR provided customized solutions, including power system analysis, primary equipment, protect & control system for this substation. Advanced Energy Solutions NR would keep on offering excellent power electronic solutions and professional services to the customers This 30MVar STATCOM aimed to improve the power quality and voltage stability of this substation. After this STA...

Recently, NR PCS-985 exciter protection has been successfully put into operation in Ningde and Yangjiang 1000MW nuclear power plant , effectively solving the problem of "weak protection" of exciter, which is of great significance for improving the operation reliability of nuclear power equipment. At present, the excitation system of large-scale nuclear power generators generally adopts brushless excitation mode, which has the problem of weak protection configuration or even no protection. Real...

NR successfully won the bid for the 18MW / 54MWH energy storage project in Hokkaido, Japan. NR will provide total 18MW Power Conversion System (PCS) containerized solution for the energy storage system. Wind Power Regulation This energy storage project is affiliated to Hokkaido Electric Power Company (HEPCO) of Japan and is used to stabilize wind power fluctuations, power grid peak & frequency regulation and improve the power grid stability level under the background of increasing renewab...

NR has won the bid for Japan's energy storage application project again, providing containerized BESS PCS solution to help the zero-carbon city construction of Gifu ENA City, Japan. ENA Electric Power Company is gradually employing renewable energy and battery energy storage system (BESS) to achieve zero carbon city construction. Containerized Energy Storage The integrated PCS solution provided by NR for this project includes containerized power conversion system The integrated PCS solution...

NR is proud to announce the commissioning of India’s first 1MW microgrid at the Central Electronics Limited facility in Sahibadad, Uttar Pradesh, India. In over 10 years, NR has deployed protection & control solution around and pioneered the development of microgrids solution. Microgrid Power Management This microgrid project features NR’s PCS-9617MG power management system & PCS-9700 energy storage system With the booming renewable energy integrated to India's power grid...

Connecting the center and east Tibet power network in China, the Mangkang substation has successfully operated from 11th August, 2018, as an essential milestone of the first 500kV substation in Tibet power grid. High-Altitude Substation The Mangkang substation is 4,295 meter above sea level and is the highest altitude 500kV substation in the world. NR provides all around solutions for the substation, including SCADA system, protection & control NR provides all around solutions for the su...

NR has actively participated in IEEE T&D, held from April 17th to 19th in Denver, the USA. The IEEE PES T&D Conference and Exposition attracts pioneering companies and individuals from around the world to take part as both exhibitors and attendees. The IEEE Power and Energy Society (PES) embraces planning, research, development, design, application, construction, installation and operation of apparatus, equipment, structures, materials and system for the safe, reliable and economic gene...

On April 12, 2022, the NR PCS-9531 electronic load bank system was successfully put into operation at the Ferronickel project in Indonesia. The successful operation of the system will improve the primary frequency modulation capacity of the enterprise power grid, enhance the power grid damping, and effectively improve the static and dynamic stability of the grid. It has great application value for ensuring the safe, reliable, and stable operation of the islanding power network. Isolated island...

The response time of the control device is 2.3 ms, the breaking time of the fast mechanical switch is 1 ms, and the overall effective time is 9.2 ms. The artificial grounding short-circuit test of the fast switch-based fault current limiter (FCL) was successfully accomplished. On December 20, 2021, the test results were announced at the 750 kV Helanshan substation of Ningxia Power Grid. As the first application in the EHV core hub substation in China, the performance indexes of PCS-8351 fast sw...

Luxi Island microgrid system, which was designed, supplied, commissioned, and delivered by NR, has been successfully put into operation. The system effectively solved the black start problem of a 10 kV feeder level microgrid with impulsive load, and has won high recognition from users with advanced and intelligent control strategy, a stable and reliable microgrid system. Microgrid integrated solutions NR provides microgrid-integrated solutions including microgrid energy management systems Lu...

On February 9, 2022, the NR light rail energy feedback system with DC De-icer function was successfully implemented for the first time, effectively coping with the recent low-temperature rain and snow weather in Nanjing and ensuring the safe operation of trains on the Nanjing-Jurong line. In the early morning of February 7, 2022, there was a sudden heavy snow in Nanjing. With the continuous low temperature, the DC overhead lines of Nanjing-Jurong elevated station were covered with ice, and the...

On March 29, 2022, the DC back-to-back project in Guangdong, Hong Kong, and Macao Bay Area (hereinafter referred to as Guangzhou Project) which lasted 15 months was successfully put into operation. The Guangzhou project put into operation this time adopts the new generation flexible DC transmission system of NR, including flexible DC protection & control, measurement, phase selection closing and opening devices, as well as flexible direct converter valve and other core equipment on the east...

Colorado electric utilities celebrated Colorado Lineworker Appreciation Day at the Capitol. The Colorado General Assembly recognized lineworkers from multiple Colorado electric utilities on the House floor from Representative Eliza Hamrick and Representative Matt Soper. The Colorado Senate also recognized the state’s lineworkers by a joint letter from Senator Chris Hansen and Senator Cleave Simpson. Represented electric utilities included: CORE Electric Cooperative Mountain View Ele...

On December 26, 2022, the first PCS-8353 arc less fast DC circuit breaker independently developed by NR was successfully put into operation on Zhengzhou Metro Line 3. The DC circuit breaker is based on the design concept of fast breaking without arc. Compared with the air DC circuit breaker, the fault breaking time is shortened from tens of milliseconds to less than 2 milliseconds, and the number of near end-fault current breaking is increased to more than 200. After breaking, the equipment doe...

On December 20, 2022, the No. 9 unit of Baihetan Hydropower Station of Three Gorges Corporation successfully passed the 72 hour test run and was officially put into commercial operation. So far, 16 units of Baihetan Hydropower Station have been put into operation for power generation, marking the full completion of this super project located on the Jinsha River. Safe and efficient energy system Baihetan Hydropower Station has 16 hydraulic turbine generator units with the largest unit capacity...

On November 29, 2022, WAPP (West Africa Power Pool) Project, Senegal Matam Station ± 30MVar SVC, was successfully put into operation. This project is a turnkey project of EPC general contracting under the responsibility of NR. It is also the first SVC system of the Senegal power grid. As the EPC contractor of the station, NR includes all design, procurement, civil engineering, installation and commissioning of the SVC system. NR provides a complete set of substation equipment including t...

The back-to-back converter station project in Van, Türkiye was put into operation 28 days after its trial operation. This project is the first DC transmission project in Türkiye, and its successful completion will significantly enhance the structure and security of Türkiye's domestic power grid. Türkiye's Back-to-Back Converter Station DC transmission makes new contributions to China's DC transmission technology and equipment going global The back-to-back converter statio...