Electrical Industry News for August 2024
November 8, 2021, the first wind turbine of Jiangsu Rudong Offshore Wind Farm was successfully put into operation through flexible DC transmission, opening a new era in China of offshore wind power to transmission through flexible DC transmission, marking the successful application of NR flexible DC protection & control system in offshore wind power project. DC transmission project NR provided a complete set of protection & control systems, measurement systems, integrated monitoring R...
On October 15, 2020, the stability control system of the Ali power networking project undertaken by NR was put into operation smoothly. The Ali networking project has realized the interconnection of the Ali power grid and the central Tibet power grid, fundamentally solving the serious power shortage problem in the Ali Region and Western Xigaze. The stability control system of the Ali interconnection project is an important system to ensure the safe and stable operation of the power grid in the...
The first 50MVar renewable energy distributed synchronous condenser in China successfully completed a 168-hour trial operation in a 330 kV Xuming substation and was officially put into operation recently. This also marks the successful delivery of NR's first distributed synchronous condenser protection & control system, which will escort the output of clean energy in Qinghai for a long time in the future and contribute to the realization of China's carbon-neutral goal. NR continues to...
On September 23, 2021, China’s first offshore pilot oilfield shore power project, the Qinhuangdao-Caofeidian Oil field Group shore power project, belonging to China National Offshore Oil Corporation (CNOOC) in the Bohai Sea region, was successfully put into operation. Qinhuangdao-Caofeidian oilfield shore power project includes an offshore 220 kV offshore Haifeng power platform, 220 kV onshore Haidiao switching station, 220 kV offshore Haiyu power platform, and 220 kV Haishun switching st...
PCS-8351 fast switching fault current limiter developed by NR Electric was officially put into operation, after 168 hours of stable operation in Xinjiang, China on September 25, 2021. This project solves the problem of excessive short-circuit current caused by centralized transmission of renewables, reduces the impact of short-circuit current on electrical equipment of the main power grid, and improves the flexibility and reliability of power grid regulation. northwest power grid In recent ye...
Recently, the wind power frequency modulation system developed by NR has completed the commissioning and performance verification test in the CGN Daishan 516MW offshore wind farm. The test results show that the primary frequency modulation performance of the system is excellent. The successful application indicates that NR frequency modulation technology has taken another step forward. Primary frequency modulation of renewable energy is one of the effective means to maintain the frequency...
Recently, the entire system test of the world's first DC self-recovery energy dissipation device undertaken by NR was successfully completed and witnessed by experts, which laid a solid foundation for the engineering application of DC controllable self-recovery energy dissipation device. NR undertook the system integration design and complete supply of pole II DC controllable self-recovery energy dissipation device for Baihetan Jiangsu ± 800 kV UHV DC transmission project. NR techni...
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. ...
Recently, NR successfully won the bid for Mongolia's first photovoltaic (PV) energy storage microgrid project, providing a containerized energy storage PCS solution to help Mongolia expand the application of renewable energy. In Mongolia, the power supply mainly depends on coal-fired power generation and electricity import. Mongolia is gradually expanding the application of clean energy power generation to gradually reduce electricity import and greenhouse gas emissions. advanced energy storag...
NR Electric 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. Integrated PCS solution The containerized energy storage PCS solution has a variety of automatic control operation modes The integrated PCS solution provid...
On June 26, 2021, after 168 hours of trial operation, the Yazhong Jiangxi ±800 kV HVDC transmission project was officially put into operation. NR provides a complete set of core equipment for the project, such as a UHV converter valve, protection & control, valve cooling, synchronous condenser secondary system, measurement and fire protection system, etc. hydro, wind, and solar power transmission The surging power from the middle reaches of the Yalong River will light up the urban...
On June 28, 2021, The first batch of units of the Baihetan Hydropower Station on the Jinsha River completed the 72-hour trial operation and officially put into commercial operation, which is the world's largest hydropower project under construction with the highest single-unit capacity. As the main secondary equipment supplier, NR provides a complete set of key equipment for the project, such as generator transformer unit protection, switchyard protection, information management system, and oth...
On June 7, 2021, the generator terminal sub-synchronous damping control (GTSDC) system of Datang Xilinhaote (Xilinhot) power plant completed the oscillation suppression test and put into operation successfully. NR Electric 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 shaf...
On June 3, the Huzhou distributed power flow controller (DPFC) pilot project, developed and supplied by NR Electric, 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 proje...
On April 20, 2021, with the smooth completion of the rated power operation test, the 150 kV / 60 MVar STATCOM, which is installed in the power transmission network of INDEPENDENT POWER TRANSMISSION OPERATOR S.A. (Greek TSO. Hereinafter referred to as “IPTO”), was officially put into operation. The STATCOM project is an important supporting project of Crete-Peloponnese interconnection phase I project of IPTO. Reliable and environmentally friendly The interconnection project will re...
On April 20, 2021, NR Electric has successfully energized the SVC project of MAN station in West Africa. Four West African countries (Cote d’Ivoire, Liberia, Sierra Leone and Guinea) cross-border electricity link (Abbreviated as “CLSG”), starts from MAN station in Cote d’Ivoire, passes through Liberia and Sierra Leone, and ends at Linsan station in Guinea. The project connects 12 substations in four countries, with a total length of 1303 km. The CLSG project will suppor...
On April 14, 2021, the 10th energy storage international summit and exhibition (ESIE 2021), the annual grand meeting of China energy storage alliance, was held in Beijing National Convention Center. Huaneng Mengcheng wind power 40MW / 40MWh energy storage project, NR Electric worked as EPC for this project, won the 'Top 10 Energy Storage Application 2021' award. The international energy storage innovation competition is a large-scale public competition for the authoritative evaluation of energy...
Exell Power Services has successfully completed the installation of their newly manufactured dual-rated 25/15kV switchgear at a large commercial tower in downtown Vancouver. The switchgear has replaced the existing leaking minimum-oil circuit breakers with new medium-voltage switches and Tavrida vacuum circuit breakers protected by SEL-751A relays. The switchgear is currently operating at 12.47 kV fed from an existing DRV service, but is ready for the future conversion to 25 kV and use as the s...
On December 23, 2020, the world's first black start project of 9F heavy-duty gas turbine through energy storage was successfully launched in Zhuhai Hengqin Thermal Power Co., Ltd., and officially put into commercial operation. Typhoon disasters occur frequently in China's coastal areas, which requires a high capacity of power disaster prevention and mitigation in Guangdong, Hong Kong and Macao area. Effectively improve the power supply capacity of Macao and the ability of the main power supply...
On December 9, 2020, the world’s first 220 kV Distributed Power Flow Controller (DPFC)supplied by NR Electric, Huzhou DPFC pilot project of State Grid Zhejiang Electric Power Co., Ltd., has successfully completed all system tests in the first phase and has been put into operation. DPFC is an advance type of flexible power flow control device based on high-power power electronic technology. It can dynamically optimize the line impedance characteristics, effectively control the power flow t...
On November 28, 2020, the Static VAR Compensator (SVC) supplied by NR Electric, was successfully put into operation in ‘220kV BA’ER substation’ of Ali power network project. It has become one of the highest SVC systems in the world, and it is also the successful application of SVC project in extremely weak power grid, which has great engineering significance. Static VAR Compensator (SVC) supplied by NR Electric The transmission lines of Tibet power grid are long and the netw...
On September 26, 2020, the 150kV Naxos substation in Greece with the protection and control provided by NR was successfully put into operation. The 150 kV Naxos power station project in Greece is an important part of the national key project of Greece, the interconnection project of Greece's Cycladic Islands (phase B). The project connects Naxos Island with Paros and Mykonos through a 150 kV submarine cable, forming a ring network of Cycladic Islands including Syros, Paros, Mykonos, and Naxos....
Every 0.1% increase in product efficiency is a huge challenge and progress for the converter industry. The latest 1500 V/1.25 MW Power Conversion System launched by NR Electric has achieved a breakthrough in the efficiency of the product by adopting many cutting-edge technologies, such as multi-level IGBT hierarchical parallel connection, IGBT optimized modulation algorithm, high-power density intelligent and efficient air cooling and heat dissipation. Higher Power Conversion System efficiency...
Recently, NR Electric successfully won the bid for the 18 MW/54 MWh energy storage project in Hokkaido, Japan. NR will provide a total of 18 MW Power Conversion System (PCS) containerized solutions for the energy storage system. This energy storage project is affiliated with 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 re...
Recently, Albasa station in Ethiopia, one of the first batches of microgrid projects of the World Bank 'lighting Africa', has been successfully put into operation. A steady stream of electricity continues to be delivered to the surrounding remote villages, bringing light to the local people. off-grid energy The World Bank’s 'Lighting Africa' microgrid project aims to provide better, cleaner, and safer off-grid energy for remote villages and suburban towns, and promote African economic d...
On August 28, 2020, all tests of Guangxi Baise 60MW Thyristor Controlled Braking Resistor (TCBR) supplied by NR Electric were completed and put into commercial operation. The successful operation of the system adds an effective flexible control method for power grid stability control. Thyristor Controlled Braking Resistor Thyristor Controlled Braking Resistor (TCBR), is a kind of power electronic equipment based on FACTs technology. It can participate in power grid steady-state frequency cont...
On August 20, 2020, the 150kV Sulut-3 substation and the 150kV Tanjung Merah extension station in North Sumar, Indonesia which was constructed by NR, were successfully put into operation. addressing power shortage This project is an important part of Indonesia's plan to solve the power shortage of outer islands. The successful operation of the project will solve the current situation of power shortage in North Sulawesi province. EPC project NR project team changed the approved high-voltage...
Most industrial and commercial facilities consume sizable amounts of electricity to fulfill their goals. These facilities are often equipped with a standby generator that is called into operation during an interruption of the incoming utility supply. However, when these facilities are equipped with a cogeneration system, specialized design and system protection aspects must be considered. What is a Cogeneration System? Cogeneration system is configured to work in parallel with the utility sys...
On August 12, 2020, the magnetically controlled shunt reactor (MCSR) of the Inner Mongolia 500 kV Bazhong substation supplied by NR Electric， completed all tests and was officially put into operation. The successful operation of the system further consolidates the advantage of NR in the field of MCSR application. magnetically controlled shunt reactor The magnetically controlled shunt reactor (MCSR) can adjust the DC of the control winding, and change the reactance value and reactive capacity...
On July 15, 2020, Qinghai Henan ±800kV UHVDC project started power transmission, marking a major milestone in the construction of the project. Along this green power channel, Qinghai’s renewable energy power has spanned thousands of miles, lighting the lights of Henan. The project starts from Hainan of Qinghai Province and ends in Zhumadian, Henan Province. The total length of the line is 1587 Km. Two converter stations, Hainan and Zhumadian, are newly built with a transmission cap...