Guangzhou, China

China Southern Power Grid Company Limited is one of the two state-owned enterprises established in 2002 according to the precept to reform the power system promulgated by the State Council of the People's Republic of China, the other being State Grid Corporation of China. It takes charges of participating in the investment, construction and management of power transmission, transformation and distribution covering China's five southern provinces of Guangdong, Guangxi, Yunnan, Guizhou and Hainan, while power generation is done by other five "power generation groups". The company is headquartered in Guangzhou. Wikipedia.


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News Article | May 23, 2017
Site: www.prweb.com

During its 2017 International Conference & Exposition the Association for Talent Development (ATD), recognized organizations and individuals for their excellence and contributions across the talent development field. The event was held on May 22. “The ATD Awards Ceremony is an event dedicated to recognizing excellence,” said Tony Bingham, ATD President and CEO. “Dedication to and passion for developing talent is something we honor in individuals and organizations. Our winners demonstrate a commitment to learning and shows us that talent development can increase the performance and success of organizations worldwide.” On the organization side, ATD recognized Tata Consultancy Services with the association’s Innovation in Talent Development Award. Al Nahdi Medical Company, from Saudi Arabia, received the CPLP Employer Award. ATD also honored the 2016 Excellence in Practice Award winners, recognized for results achieved using practices and solutions from the entire scope of workplace learning and talent development. Thirty-eight awards and 51 honorable mention citations were presented in 10 categories: career development, coaching and mentoring, diversity and inclusion, facilitating organizational change, integrated talent management, learning technologies, managing the learning function, organizational learning and development, performance improvement, and sales enablement. Awards are presented to organizations with proven practices that have delivered measurable and sustained business results. The organizations that received Excellence in Practice Awards are: Accenture Solutions Private Limited, India ADInstruments, United States Booz Allen Hamilton, United States China Telecom, China China Southern Power Grid, China Conduent Learning Systems, United States Cordis, Hong Kong, Hong Kong Emirates Islamic, United Arab Emirates Emirates NBD, United Arab Emirates Hewlett Packard Enterprise, United States IBM, United States KPMG LLP, United States Manatt, Phelps & Phillips, LLP, United States Migros Ticaret A.Ş., Turkey National Academy of Civil Service, Taiwan PSEG, United States SAP, Germany Service Express, Inc., United States Siam City Cement Public Company Limited, Thailand SightLife, United States Sonic Automotive, United States State Grid Corporation of China, Beijing, China Sun Life Financial, Canada Ultimate Software, United States U.S. Department of Veterans Affairs Office of Information & Technology, United States A complete list of Excellence in Practice award and citation winners can be found on the ATD website. About ATD The Association for Talent Development (ATD), formerly ASTD, is the world’s largest association dedicated to those who develop talent in organizations. These professionals help others achieve their full potential by improving their knowledge, skills, and abilities. ATD’s members come from more than 120 countries and work in public and private organizations in every industry sector.


BEIJING, Feb. 17, 2017 /PRNewswire/ -- China Energy Company Limited (CEFC China) is ranked 34th among the Fortune Global 500's energy industry list. Among the top ten Chinese energy companies who enter the Global 500, CEFC China is the only private company. On the list of 2016 Fortune Global 500, there are 77 companies worldwide that deal in oil, coal, natural gas, electricity and electrical power, 24 of which are Chinese companies. CEFC China is ranked 8th among China's top ten energy companies. Other names in the top ten include State Grid Corporation of China, China National Petroleum Corporation, China Petrochemical Corporation, China Southern Power Grid Co., Ltd., China National Offshore Oil Corporation, The Power Construction Corporation of China, China Huaneng Group, Jizhong Energy Group Co., Ltd and the Shenhua Group Corporation Ltd. Compared with 2015, the ranking of CEFC China jumped 113 positions to reach 229th in the Fortune Global 500, with a business revenue of USD 41.845 billion. In 2016 CEFC China completed the transaction of controlling stock of Kazakhstan national petroleum international corporation, thus reinforcing control over oil terminals in a dozen countries in the Black Sea and Mediterranean region. CEFC China gained four percent of equities in the biggest developed oil gas field in Abu Dhabi. The relevant agreement will be signed soon. Adding CEFC China's sales equity for 10 million tons of oil and gas from Abu Dhabi, CEFC China will be able to increase imports by over 13.2 million tons of crude oil to China each year. The company has succeeded in entering the upstream of West Africa's oil gas industry by completing stock transactions in Chad oil gas project. CEFC China has built in China oil reserve bases with a capacity of over three million cubic meters. The reserve bases have been put into operation and provide strategic oil reserves for China State Reserve Bureau. This project by CEFC China will increase reserves by three days for the whole country. At the end of 2016, the China-Kazakhstan liquefied petroleum gas railway transportation, which was funded by CEFC China, was completed. This project greatly strengthened oil gas import capabilities for China's northwestern region. With the launching and pushing forward of such key projects, CEFC China is completing its international energy strategy. CEFC China will achieve greater goals in oil and gas industry in 2017. To view the original version on PR Newswire, visit:http://www.prnewswire.com/news-releases/cefc-china-ranks-34th-among-world-energy-companies-only-private-company-in-chinas-top-ten-energy-companies-300409427.html


Liu G.Z.,China Southern Power Grid Co.
Applied Mechanics and Materials | Year: 2014

The impacts of Emission trading on building the optimal bidding strategy for a generation company participating in a day-ahead electricity market is investigated. The CO2 emission price in an emissions trading market is evaluated by using an optimization approach similar to the well-developed probabilistic production simulation method. Then upon the assumption that the probability distribution functions of rivals' bidding are known, a stochastic optimization model for building the risk-constrained optimal bidding strategy for the generation company in the framework of the chance-constrained programming is presented. Finally, a numerical example is served for demonstrating the feasibility of the developed model and method, and the optimal bidding results are compared for the two situations with and without the CO2 emissions trading. © (2014) Trans Tech Publications, Switzerland.


Tian Q.,China Southern Power Grid Co.
Gaoya Dianqi/High Voltage Apparatus | Year: 2011

The protection misoperation of 1000 kV No. 1 transformer in Jingmen Station was studied in this paper when transformer is charged during the system debug of UHV Pilot Project. The principle of second harmonic current restrained and wave symmetry restrained for regulating transformer differential protection was given according to the inrush current characteristic of regulating transformer. The reasons of the misoperation in SGT756 protection equipment and RCS978C protection equipment were analyzed separately. Three corresponding methods, changing the method of direct resistance test method, adding the erasing magnetism test and improving the protection principle, were put forward by the equipments operation situation in Jingmen station. When these methods were utilized in future China UHV project, the transformer protection reliability can be revised.


Tian Q.,China Southern Power Grid Co.
Gaoya Dianqi/High Voltage Apparatus | Year: 2011

The ultra high voltage direct current (UHVDC) project transfers huge capacity energy so that it must have high reliability. Many equipment are developed and produced for the first time without the operation experience. The reliability requirements on the converter transform, valve, reactor etc are stricter than that of the normal HVDC project. This paper studies the operation experience of HVDC transmission project belonging to the State Grid Operation Company since 2000. Some methods are carried out to complete the UHVDC scheme and eliminate the potential problems, like the analysis on the EHVDC operation experience, the earlier control and prevention of major accidents, the similar problems and their regularities. The safe operation level of UHVDC pilot project can be increased in order to fulfill its transmission capacity, reduce the unnecessary blocking and maintenance time.


Tian Q.,China Southern Power Grid Co.
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | Year: 2011

A power oscillation event is studied after the completion of the Tian-Guang HVDC control and protection system. The magnitude frequency characteristics and phase frequency characteristics of Tian-Guang HVDC control, which added the band-pass filter in the power swing damping (PSD) and power swing stabilization (PSS), are analyzed according to the transient fault record and real progress in Tianshengqiao converter station. The merits and drawbacks of the attenuation and lagging phase in high frequency influenced by the band-pass filter are studied and the reason of continuous power oscillation is as follows: the anti-interference ability of PSD and PSS is weak, and there is no band-pass filter in the control transfer function. Three corresponding methods including modifying the open strategy of PSD and PSS, adding the band-pass filter in the control transfer function and modifying the parameter of PSD and PSS, are put forward to avoid the high frequency power oscillation.


Chen C.,China Southern Power Grid Co.
Dianwang Jishu/Power System Technology | Year: 2014

The cascading failure in China South Power Grid caused by an explosion accident of 500 kV circuit breaker is analyzed, and it is pointed out that the explosion accident of 500 kV circuit breaker occurred in Yandu substation simultaneously led to the commutation failures of three EHV/UHV DC transmission lines, i.e., the ±500 kV DC transmission line from Gaopo to Zhaoqing, the ±500 kV HVDC transmission line from Tianshengqiao to Guangzhou and the ±800 kV DC transmission line from Chuxiong to Suidong, and further the accident led to the forced outage of valve cooling system for Pole II of Guangzhou converter station. Because Zhaoqing converter station is electrically close to 500 kV Yandu substation, thus Zhaoqing converter station is subjected to the most severe affection, and the DC voltage of ±500 kV DC transmission line from Gaopo to Zhaoqing drastically fluctuated and a lot of harmonic components appeared and directly made the bipolar DC line under-voltage protection (27 du/dt) acted. After the success bipolar re-starting of ±500 kV DC transmission line from Gaopo to Zhaoqing, the still existed forced outage of valve cooling system for pole II led to the pole II re-blocked. The author analyzes the spread of the accident as well as the related hidden danger, and proposes effective rectification measures to prevent the reoccurrence of similar cascading failures.


Rao H.,China Southern Power Grid Co.
Gaodianya Jishu/High Voltage Engineering | Year: 2012

The ±800 kV ultra high voltage direct current (UHVDC) transmission system is an extraordinary challenge to system design and equipment manufacture. China Southern Power Grid Company (CSG) organized research and design for the construction of Yunnan-Guangdong ±800 kV UHVDC project (YG UHVDC project), and got large technical breakthroughs and advanced technologies for ±800 kV UHVDC transmission systems. These advanced technologies include power system stability, main electrical wiring, overvoltage and insulation coordination, external insulation, electromagnetic environment, control and protection, and arrangement of the main equipments. Meanwhile, CSG led the researches on specification of main equipments, such as converter valve, converter transformer, dry-type smooth reactor and others involved in the whole process management of equipment supervisions. The YG UHVDC project was put into commercial operation in 2010 as the first pilot ±800 kV UHVDC project in the world. The whole system operated in a stable and smooth manner, and the UHVDC equipment and control systems passed the test under the practical operation in CSG bulk power system, which shows that the design and research objectives were achieved.


Zhu T.-X.,China Southern Power Grid Co.
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | Year: 2010

The reliability of HVDC protection is very important to the safety of equipments and the stability of the power system. In this paper, the operation logics of HVDC protection in the HVDC system of CSG are introduced first, then combined with the operation examples, the defect that the DC filter protection which uses the "select 1 from 2" logic and the backup protection in pole control system which uses the "select 1 from 1" logic are apt to act incorrectly, is discussed. At last, some useful suggestions are analyzed. All of these are valuable to improve the reliability of HVDC protection system in the future.


Patent
China Southern Power Grid Co. | Date: 2015-11-16

A voltage source converter based DC deicer and its control method are provided. The voltage source converter based DC deicer includes a connecting reactor, a modular multilevel voltage source converter based on a full H-bridge submodule, smoothing reactors, deicing disconnectors, a deicing bus, and a deicing AC line. The AC side of the modular multilevel voltage source converter is connected to an AC side bus through the connecting reactor, an isolation disconnector and a breaker. The DC side of the modular multilevel voltage source converter is connected to the deicing AC line through the smoothing reactors, the deicing disconnectors, and the deicing bus.

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