NR Electric Co., Ltd News
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...
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...
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...
The Fujian-Guangdong Interconnection Back to Back DC Transmission Project was formally completed and put into operation. NR has provided complete core equipment such as converter valve and valve cooling system, measuring system and stability control for the project. The Fujian Guangdong Project is a major project of State Grid Corporation of China and China Southern Power Grid Corporation to ensure the safe and reliable supply of electricity and help achieve the goal of carbon peaking and carbo...
On August 15, 2022, the energy storage system of Zhejiang Xiaoshan Power Plant was successfully connected to the grid. This project is the first generation side energy storage project in Zhejiang Province. For the first time in China, a large-scale electrochemical energy storage power station was built independently and coordinated by the existing site of decommissioned generator sets. Energy storage system of Zhejiang Xiaoshan Power Plant The successful operation of the project will greatly...
The distributed photovoltaic (PV) group control device for active distribution network developed by NR, completed the on-site function and performance test in Fujian CATL Industrial Park and was put into operation. The device has functions such as active power control, voltage control, reactive power control, and power factor control etc. The test results show that the power control response time is less than 5s, the control accuracy can reach 1%, and all performance indicators meet the require...
In July 2022, PT. NR Electric Jakarta (NR Jakarta) accomplished Local Content Level (TKDN) certification for the products of Control Relay Panel and Substation Automation System. It is a milestone for NR’s transformation to be a reputable local manufacturer in Indonesia. PT. NR Electric Jakarta is NR’s subsidiary company in Indonesia. Since its establishment in 2012, NR Jakarta has implemented the localization strategy and continued to provide high-quality products and services to I...
On July 15, 2022, the ± 360MVar Static Var Compensation (SVC) system supplied by NR, successfully completed various system tests and 72-hour trial operation in the 750kV Shazhou substation in Dunhuang, Gansu Province, and was officially put into operation. The SVC phase II project completed this time, together with the SVC phase I supplied by NR and the controllable shunt reactance(CSR), forms the Flexible AC Transmission Systems (FACTS) with the largest single station regulation capacit...
On July 1, 2022, the Baihetan Jiangsu ±800kV HVDC transmission project (hereinafter referred to as ‘Baijiang project’) of State Grid Corporation of China (SGCC) was completed and put into operation. Clean hydropower from Baihetan Hydropower Station will be delivered to Jiangsu continuously, providing a strong guarantee for the power supply of East China Power Grid during the ‘peak summer’ period. Baihetan Hydropower Station The total length of the line is 2080 k...
In July 2022, the Utilities Communication Architecture International User Group (UCAIug) organized the sixth Interoperability (IOP) test in Italy. Despite the impact of the epidemic, this IOP still attracted the participation of all the world's top suppliers, with 19 institutions participating in the IOP. NR participated in the IOP test for the fourth time and achieved a complete success. NR exhibits its technical strength in IOP test In the IOP test, NR fully demonstrated its technical stren...
On May 30, the first 100 MWp tidal photovoltaics power station in China was connected to the grid with full capacity. This is the first time that China has completely 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 110kV...