1. The Formal Signing of UHV Equipments Research and Development Contract
TBEA Undertook the Assignments of Transformer Research and Development for National UHV AC Demonstration Projects
On December 27, 2006, on contract signing ceremony of main power equipments of the first Chinese 1000kV trial demonstration projects from the East of Shanxi Province to Jinmen via Nanyang, TBEA signed the contract of UHV power equipments R&D valued RMB200 million with State Grid Corporation, TBEA is the unique company which undertook the R&D assignments of both 1000 kV transformer and 1000 kV reactor among all firms involved in the UHV power equipments technical barriers tackling
The UHV trial demonstration projects are the first step towards China s UHV power transmission&transformation improvement, are markedly the change in power grid development pattern. The UHV trial demonstration projects represent the highest level of international power transmission and transformation technology and application.
On the signing ceremony, Mr,Zhangxi, the Chairman of TBEA Board Committee, said: All staff of
TBEA ought to member the massive commitment of motherland and Chinese people, set China's manned spaceflight program spirit as example, being self-motivated and self dependant, stick to the principle of the assurance of success of 1000 kV transformer and reactor R&D in one time. We should regard quality as life, centering on security and safety improvement, the research assignment must be well-planed, well-organized and well-executed, we must make research with great care, great caution, great stringency, strive to accomplish the research assignments, make sure the successful commissioning and operation of UHV trial demonstration project in celebration of Beijing Olympic Games.
2. The Implement of Technology Upgrading Program
Initiation of UHV Shunt Reactor Technical Upgrading Program by TBEA Hengyang Transformer Co., Ltd.
On June 27, 2008, the opening ceremony of UHV Shunt Reactor Technical Upgrading Program was held grandly at TBEA Hengyang Transformer Co., Ltd
Mr. Chong Yanmin, the general manager and secretary of party committee of TBEA Hengyang Transformer Co., Ltd. gave a detailed presentation on the third phase of technical upgrading program. He said: we conducted the technical upgrading program to meet 1000 kV transformer and shunt reactor manufacturing condition, or perfect 1000 kV transformer and shunt reactor manufacturing condition, the complete power transformation and transmission equipments including step-up transformer, step-down transformer and UHV shunt reactors are going to be delivered in accordance with Mega Kilovolt experimental electric circuits planning, the successful completion of technical upgrading program really decide on whether 1000 kV Shunt reactor can be delivered on schedule or not, while the delivery of 1000 kV shunt reactor can decide on whether power grid construction with long distance, cross-section and large capacity can be put into operation on schedule in future, in this case she successful completion and operation of the program is very significant to national UHV grid construction and security of national economy.
3. The Initiation of Power Equipments Research and Development
Double Mega Kilovolt Power Equipments Were Initiated in All Aspects
Preparation for mega kilovolt power equipments research and development were started in all aspects, shortly after TBEA won the bidding to the first 1000 kV UHV trial demonstration project. UHV theme meeting were held hundred times to make specific arrangement and gave instruction, 1000 kV UHV program cabinet-level panel and work team were set up in consideration of practical situation, and set the code of practice for UHV 1000 kV equipments manufacturing, namely quality is our priority , red labeling , the green channel , accountability system , pass in one-off test is set as
quality goal.
In order to conduct and complete thUHV 1000 kV program including research and manufacture, TBEA Shenyang Transformer Group and TBEA transformer Co., Ltd. set up particularly technical unit, manufacturing unit, procurement unit, process unit, administrative office, monitoring & supervision unit, transportation & installation service unit and quality assurance & test unit., assignment were allocated properly, duty and responsibility were put clearly, to ensure the program to be a model program. Besides the two companies complied documents guided all aspects of ajobs, such as the Quality Planning , the UHV Quality Control Outline , the Verification on 1000 kV Transformer Shut-down for Inspection , the Special Craft and Process Manual on 1000 kV Transformers and the Inspection Manual on 1000 kV Transformer to guarantee proper implement of the program.
The slogan read with more stringent, with great care, with more caution and continuously improvement were seen her and there at technical center of TBEA Shenyang Transformer Group, which reminds technical center staff of enhancing sense of responsibility and stringency imposed on 1000 kV power equipments design assignments.
4. Great Concern and Care
Mr. Shu Yinbiao, the deputy general manager of State Grid Corporation, made an important statement when he inspected in TBEA Shenyang transformer Co., Ltd., emphasizing that State Grid Corporation
implement the UHV power transmission projects firmly, support the localization of the important machinery manufacture firmly
State Grid Corporation held a meeting on UHV research & development at TBEA Shenyang Transformer Group from 18 to 19 in April. Mr. Shu Yinbiao, the deputy general manager of State Grid Corporation, said: the Central Administration and the State Council attached great importance to the UHV power transmission projects, and strongly supported this technological innovation, stuck to the implement of the UHV power transmission projects strategy, and were determined to support localization of important machinery manufacture.
On the meeting, Mr. Shu Yinbiao pointed out that we should take the paths of indigenous innovation which can promote entire level of national important machinery manufacturing industry, rather than purchase the UHV power transmission projects from abroad. Although the UHV power transmission projects will be very challenging, the difficulties and risks can get involved, State Grid Corporation will firmly implement the major national important machinery manufacture localization strategies, and provided full support to domestic enterprises to enhance the capability of indigenous innovation through the execution of the UHV power transmission projects. Mr. Shu also expressed that the demand is primary drive to China UHV power transmission projects, therefore our trial UHV demonstration power transmission lines must be put into long-term commercialized operation with full load and stability, and be good economical, technically feasible and environmental-friendly. The UHV techniques are of complicated and high standards, which require the sense of prudence and science, and tight control on design, process and materials. So you company should review experience while doing the research, left valuable assets for future technological development.
During the meeting, Mr. Shu made a survey on assembly lines of the large-capacity UHV power equipments at TBEA Shenyang Transformer Group and offered the guideline for the work, he fully approved the work done in the every chain of the UHV research and development process.
5. Encouragement
Mr.Chenfeng, the president of the Northwest China Grid Company Ltd. inspected TBEA, he pointed out
We cooperated closely to make new contribution to the national grid construction
On November 13, 2008, Mr. Chenfeng, the president and secretary of Party Committee of the Northwest China Grid Company Ltd. led Mr. Jiafuqing, the general manager and secretary of Party Committee of Shanxi Power Company, Mr. Xiaochuangying, the general manager and secretary of Party Committee of Gansu Power Company, Mr. Zhangsuhao, the general manager and secretary of Party Committee of Qinhai Power Company, Mr. Malike, the general manager and secretary of Party Committee of Shanxi Power Company, Mr. Sushengxin, the general manager and secretary of Party Committee of Xinjiang Power Company, to visit TBEA for inspection.
Mr.Chenzhifeng congratulated TBEA for contribution to the cost-effective society construction and national energy conversion strategy because TBEA the UHV Mega Kilovolt equipments safeguard the operation of the first UHV trial demonstration projects in China. He pointed out that success of UHV power equipments research enable TBEA to gain the better platforms, to start new journey. It is some sort of joy, but also some sort of urge to the staff of TBEA, our innovation never come to an end, in particular, any breakthrough mean another new starting point to us under the circumstance of worsen global economy, so we expected TBEA always to be a pioneer in power transformation & transmission industry in China and the world! In the meanwhile he stated TBEA ought to keep up reviewing the experience on research of the key power equipments and products, such as 1000 kV transformers, 1000kV reactors, 1000kV instrument transformers, expanding diameter conductors and bus bar, We should cooperate closely to make new contribution to the national grid construction.
6. The Success of the First UHV Shunt Reactor Research and Development
The First 200Mvar/1000kV UHV Shunt Reactor in China passed the Conformance Test in One Time
On May 18, 2008, the first 200Mvar/1000kV UHV shunt reactor with indigenous design and manufacture under 1000 kV UHV trial demonstration projects has been successfully developed at TBEA Hengyang Transformer Co., Ltd. a dozen of Chinese and foreign experts from States Grid Corporation, State Grid Operation Company, China Power Research Institute, Wuhan UHV Research Institute of States Grid Corporation, Jiangsu Power Experiment Research Institute, Hubei Power Experiment Institute and Italy CESL, Technical Center of TBEA Transformer Group witnessed in the overall course of experiments.
The first 200Mvar/1000kV UHV shunt reactor of TBEA Hengyang Transformer Co., Ltd. passed the all items of type tests and delivery tests, all technical indexes are more better than requirements of technical agreements, the key technical indexes including insulation withstanding, partial discharge, temperature rise and noise can meet international standards. It marked the significant progress achieved in the UHV AC program and the indigenous innovation of manufacturing industry, It marked that TBEA UHV power transformation & transmission has obtained a leadership position in the world.
7. The first UHV transformer was successfully developed
China's first UHV transformer at 1000MVA/1000kV passed test in one time
On July 4th, 2008, the world first AC UHV 1000MVA/1000kV transformer passed all test items, will be operated shortly in power transmission line from Jindongnan to Jingmen via Nanyang-
The UHV1000MVA/1000kV transformer passed through many strict tests, such as lightning impulse and voltage test which exceeded 1.7 times of rated voltage. every technical specification was better than that of design requirement in accordance with international standards. A dozens of experts from State Grid Corporation, State Grid Electric Power Research Institute, China Electric Power Research Institute and CESI of Italy etc. witnessed all process of the test. All experts present were very excited when no partial discharge occurred in partial discharge test which was 1.5 times stringent than normal test condition, and they all agree that the achievement was remarkable, this techniques break through were not only for TBEA Shenyang Transformer Group but also for national manufacturing industry..
Mr. Chen Weijiang, the director of the UHV Construction Department of State Grid Corporation, said: it is a memorable today, the Chinese first, also the world s first 1000kV single phase transformer was born in TBEA Shenyang Transformer Company besides the discharge amount of voltage terminal is less than 20pc in partial discharge test which was 1.5 times stringent than normal test condition, on this occasion, I hereby appreciate the great effort made by the UHV experts team of TBEA on behalf of State Grid Corporation
8. The Delivery of UHV Transformer and Reactor
1000kV UHV Transformer and Reactor Were Successfully delivered
On June 27, and July 27, 2008, the first 200Mvar/1000kV reactor and 1000MVA/1000kV transformer in China have been dispatched separately from TBEA Hengyang Transformer Co., Ltd and TBEA Transformer Group, respectively. The weight of 1000MVA/1000kV transformer is 397 tons, the height is 4.97 meters, which hit several new records in term of transformer shipment. The total weight of 200Mvar/1000kV reactor is 258.7 tons.
1000MVA/1000kV UHV transformer will firstly be loaded on board at Huludao dockyard, was shipped to Shanghai by ocean, and then arrived at jingmen Dock by river, and was destined to Jingmen substation by land, the overall journey is 3,000-kilometer, the total transportation duration is up to 30 days. In order to well prepare for transportation of the first UHV transformer in the world, TBEA Shenyang Transformer Group has brought the transportation into agenda since the tender was opened in 2006. The company set up a special team to finalize transportation scheme, and held various meetings on transportation coordination, conducted a lot of physical convey on transportation condition in full consideration of specific requirements for the UHV transformer to ensure proper shipment of transformer to final destination.
200Mvar/1000kV UHV shunt reactor dispatched from Hengyang Dock with its terminal handling capacity up to thousand tons of cargo, travelled 1000 kilometers along the Xiangjiang River, the Changjiang River and the Hanjiang River, finally reached the Xianghe Dock. In order to safeguard the safety and reliable transportation, Xin Te logistic company which was responsible for the whole transportation, conducted a comprehensive research and inspection for the roads, bridges and overhead obstacles all along the transportation route. And they formulated and implemented a corresponding transportation plans and measures in advance; the entire transportation duration is 20 days.
9. The Commissioning of the UHV Power Equipments
1000kV UHV Transformers, 1000kV UHV Reactor successfully Passed the Field Tests
At 19:40 on October 7, 2008, the 1000kV UHV transformers and 200Mvar/1000kV reactor developed by TBEA, successfully passed partial discharge test at Jingmen substation. It marked the success of the main power equipments installation and testing of the world's first 1000kV UHV AC trial demonstration projects from Jindongnan to Jingmen via Nanyang, It is another milestone of the progress achieved in the UHV project construction of State Grid Corporation, TBEA made a positive contribution for commissioning of the trial demonstration projects by the end of the year.
The world s first 1000kV UHV transformers and 200Mvar/1000kV reactor developed by TBEA arrived at Jingmen substation, the installation were completed on September 9th. Testing work were initiated on September 30th. Due to the large capacity of main transformer and high test voltage level, there were no previous tangible experience to guide the field partial discharge tests, this test is virtually the most difficult one in the transformer field test history. At 18:30, on October 10th, the test started, when the voltage level is d up to 953kV, detected discharge amount of is less than 30pc on 1000kV side, which completely meet the requirement of Standard of Hand-over Test of Electric Equipments for 1000kV UHV AC Trial Demonstration Projects from Jindongnan to Jingmen via Nanyang , 1000kV UHV transformers successfully passed the test, and it proved once again the reliability of TBEA UHV power equipments.
10. Loaded Operation of the UHV Power Equipments
TBEA UHV Mega Kilovolt Power Equipments Safeguarded the Loaded Operation of the First UHV Trial Demonstration Projects in China
At 22:00, January 6, 2008, 1000 kV power transformation & transmission projects were successfully passed the 168 hours trial operation, and then the projects were put into operation. 1000 kV power transformation & transmission projects were researched, designed and constructed domestically with independent intellectual property rights., at the same time, the key power equipments provided by TBEA, such as the first set of 1000MVA/1000kV transformers in the world, 200Mvar/1000kV shunt reactors , 1000kV expanding diameter conducts and bus bar, were also put into operation. After of meticulous research over the past seven hundred days and nights, TBEA practice what he promise, that is reliability and commitment. We never get everyone disappointed and down, we never fail to missions, we struggle in pursuit of outstanding and excellence, and we strive for the first and the best,. Finally we kept our promise to deliver the UHV power equipments and products on schedule, State Grid Corporation, Chinese people and government put great loyalties and trust on us, in turn we really do a very good job and make them satisfied.