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2101996 2007 年 12 月 01 日 12:37 Reading (loading. ..) Comments (4) Category: Personal Diary
2007, the transmission and distribution management in the sector and the strong support of the Bureau and to investigate problems, grasping the main line rectification efforts to endanger the safety of the grid to eliminate faulty equipment and pitfalls. Failure Analysis strengthened effort to make each can find the reasons for the failure and to develop specific plans to begin the rectification, and achieved certain results. Now work in 2007 are summarized as follows:
First, the completion of production index (Statistics to October):
35kV line trip 15 times, 13 of which reclosing successful than last year (7 times ) increased by 8 times, an increase of 114.2%; ground 5 times more than last year (0) increased by 5 times; completion rate of 20.16 times 35kV line trip / * hundred kilometers, the same period last year (7.25 times / hundred km * year) increased 12.91 times / hundred kilometers * years, an increase of 178%. Completion rate of 9.42 times 35kV line fault / * hundred kilometers, the same period last year (0 / hundred km * year) increased 9.42 times / per hundred kilometers * years.
10kV line trip 194 times, 159 of which reclosing success than last year (272 times) reduction of 78 times, down 28.66%; grounded 123 more than last year (214 times) reduced 91 times, down 42.52%; completion rate of 22.27 times 10kV line trip / * hundred kilometers, the same period last year (26.03 times / hundred km * year) decreased 3.76 times / hundred kilometers * years, down 14.45%. Completion rate of 18.14 times 10kV line fault / * hundred kilometers, the same period last year (36.40 times / hundred km * year) reduced 18.24 times / hundred kilometers * years, down 50.11 percent.
reliable power supply to complete the county was 99.82% over last year (99.80%) rose by 0.02 percentage points; complete and reliable rural electrification rate of 99.56% over last year (99.31%) increased by 0.25 percentage points; all Integrated voltage of accumulated 96.60% pass rate compared to last year (95.76%) increased by 0.84 percentage points.
Second, the main work of the year:
(a) the practical foundation management, the meticulous work done enough:
1, Yang Dong completed the rolling revision of the basic data grid, improve the Yang Dong Power distribution network maps, equipment, accounting, implementation of the Sun East Power Supply Bureau distribution network equipment rolling revision management system, distribution network for the implementation of standard management to lay a solid foundation.
2, establish and perfect a security risk project library, the implementation of closed-loop management of equipment defects, processing equipment defects to achieve individual responsibility and personal tracking; 2007 distribution network equipment defects were found in 51; in which defects in six of emergency, eliminating defects, 6, eliminating defects, 100%; major defects 5, eliminating defects, four, eliminating defects, 80%; general defects 41, 37 eliminating defects, eliminating defects, rate of 90.24%.
3, to further improve and implement safety management regulations. Adhere to the regular monthly meeting will be a distribution network operation analysis, analysis of production safety situation, the distribution network problems and digestion and promote good practices and harmonization with the pace of network management. With the actual situation, the development and revision of various rules and regulations: distribution equipment on-site operating procedures
4, review the safety evaluation of the implementation of the rectification work, as of November 2007,
ナイキ エアマックス 360, the Bureau completed rectification projects 44 to complete the rectification 44/126 = 34.92%; part of the rectification of item 62, part of the correction rate of 62/126 = 49.20 %; comprehensive rectification ratio (44 +62) / 126 = 84.12%. Item 20 is not the rectification, the rectification ratio is not 20/126 = 15.88%;
(b) check hidden, grasping rectification and improve the reliability of critical equipment to ensure the distribution network stability:
1, strengthening the line equipment inspections. Active transmission line patrol and the Special Night Watch, to detect abnormal line equipment, timely treatment of defects, to ensure that the major groove of 35 kV lines, horse ground, in Long lines, a large eight-line security and stability.
2, under the lines, equipment safety limit load current, overload operation of the line may be full of equipment to strengthen supervision, and timely adjustments to run. Sun East power grid based on a monthly payment of transmission and distribution lines, and carrying loads, ensuring that the equipment is always in a reasonable load range. Completed two major newspaper lines, county lines wire replacement; 10 kV Ⅱ back to the county line (Long Day Line) line construction, and with the completion of the Long Day lines, county lines, the two reported line load adjustment; 10 kV Ⅱ major groove back (Xu Extension) line construction, and with the completion of a large ditch Fair line, chicken mountain line load adjustment.
3, the platform area of economic and reasonable load adjustment. Load adjustment of the public co-ordination arrangements for the completion of the county in two batches of 73 times overload the public to change for transformation, and the Taiwan area power supply division,
------ Make people happy on the Japanese seven thi, will supply area is too large, too many users of the platform split into more areas a power station area, to solve public problems become unbalanced three-phase station area, making the economy more reasonable for Power Supply in Taiwan.
4, completed eight of 35 kV line big, big ditch line, horse ground, ground maintenance Long lines of the earth to complete the 35 kV horse ground, to Zhang Heng Long lines bear-resistant double-pole with a paint replacement and gold enhance the reliability of 35 kV lines.
5, the original 35 kV Ma Ma ground water stations by the U.S. grafting Kong Station,
エアマックス 2003, the shortened radius of 8.4 km of power transmission, greatly reducing the voltage drop across the transmission lines to improve the safe operation of the circuit reliability.
6, to complete the major groove of 35 kV line replacement wire,
儿子已经成长成为一个有礼貌的小孩！, replacement of the original LGJ-50/70 LGJ-95 wire cable to ease the major groove of 35 kV line overload pressure; complete line of 35 kV cable replacement and Tung Ping buck run the project, the load transferred to the new 洲镇 Hailang substation 110 kV power supply, reducing the load of 35 kV station pressure the major groove.
7, to continue the work of 10 kV line replacement of insulators,
★、．, such as old-fashioned out of P-15 insulator, to November only 34,662 have been completed insulator replacement, complete replacement of 430 kilometers of the line insulators; completed more than 100 groups of 10 kV line arrester installation. Installation of 10kV line organizations in the wind drawing line work; through the implementation of various measures, to improve the reliability of distribution network in eastern Shenyang, so reverse the high rate, according to the situation with Wang Shi.
8, no steel core summary Yangdong 70 km distribution lines, and in accordance with financial arrangements to develop specific reform proposals for phasing out the high-pressure steel core wire-free preparation. Clamp device for breaking the beginning of the frequency, the organization use of power equipment management team the opportunity replace inferior clamp.
9, complete the Big Eight, set up green field construction of small hydropower banks to address the wet period of small hydropower grid over-voltage problem, to provide users with qualified power.
10, the frequent failure of the 2006 line (the new Island Line, Chicken mountain line, air Pei line, the second back to dragon, Tin River Line) to implement the section, install a group of 10 sets of boundary load switch device to device with the timing with the automatic reclosing substation fault line isolation to improve the operation reliability of distribution lines.
11, and comprehensively improve the power grid power rate, press the , chicken mountain line, the new Island Line, and other serious shortage of several reactive group 7 installed 10kV line reactive power compensation equipment (a total of 1700 kvar). None of the installed power capacity compensation device 134 sets the public variable to track maintenance areas, found in the operation of reactive power compensation of a total of 30 defects, and timely coordination with manufacturers, maintenance transformation.
12, in order to fully clean up the city's power corridors obstacles as an opportunity to actively and county levels of government, the forestry sector, the public security departments, village committees and other functional departments coordinated inventory line of tall plants in protected areas, and the organization of personnel, the work carried out large-scale logging, clearing the line of tall plants in protected areas 1188 acres. 35 kV transmission line protection zone tall plants have been cleared, 10 kV lines in the protected areas of high plant cleaning rod has reached 63% completion rate has not been cleaned up tall plants have a way to trim the branches to eliminate the threat to run on the line, grid security and stability have been effectively protected. After cleaning up the tree barrier, with the trees,
エアーマックス スカイライン, units or individuals signed the original property is no longer in power line protection district agreement planting tall plants, trees wrecker to consolidate the results.
Third, the main feelings and problems:
(a) Main feeling:
1, to fully grasp the actual state of equipment, distribution network management is fundamental. Yang Dong distribution network equipment for many years the backlog of equipment defects more has not been well reflected and addressed. Only the implementation of inspection equipment maintenance, the backlog of defects in the daily dig out special campaigns through a variety of security risks and take proactive corrective measures one by one in order to eliminate the whole network defects and improve the level of distribution network operation. Distribution Network Management focus is to understand the operational status of equipment, performance, the defect, and then carry out a rectification and eliminating defects, to ensure safe and reliable operation of distribution network.
2, job responsibility is to manage key distribution network. To change the current distribution network management lags behind the situation, we must strengthen the sense of responsibility at all levels, to
3, strengthen the monitoring of equipment operation,
エアマックス ブルー, through the daily load monitoring, timely and relevant operating parameters of the meeting in writing or by way of exposure, the problems for the equipment to process, to ensure safe and reliable grid operation.
(b) of the problem:
1,35 kV transmission line equipment worn backward, construction, commissioning times are 70s of last century, long distance transmission,
ナイキ スニーカー air max, line equipment, the Lightning suffered repeated shocks, very poor reliability,
エアマックス メンズ, operation and management to the line to bring great pressure.
2,10 kV lines through large none of the rectification, power supply radius of the long line equipment worn, including 70 km of distribution lines for the non-steel core, the majority located in the township lines and empty mountains, plains, fields, vulnerable to lightning , very poor reliability, circuit operation and management of pressure to teach large.
3, to run their daily inspections of all maintenance, defect handling is not implemented well, a lot of hidden defects can not be promptly reported, there is a big psychological dependence, resulting in backlog of hidden dangers and defects seriously affect the normal operation of power grid.
4, Sun East power grid 58 through 10 kV lines to have most of the lines were completely overloaded, East 10 kV line, Yongsan Northern Line, Dan set out line, a line of pine, Tong Wai line overload problem is still unresolved.
5, rectification is completed, only
IV, 2008 work plan:
1, full use of visual management system power supply network. Distribution network has been introduced in the basic information based on the use of high-tech means to carry out distribution network based data management; implement the responsibility system maintenance inspection of equipment, scientific management of equipment maintenance and eliminating defects, routine patrol work resolutely to , consumers will be a good consumer.
2, with the formation of lightning location system to further promote the 10 kV distribution network and installation of line arresters to the transformation of the earth, and strengthen the level of 10 kV distribution network mine.
3, complete the East Side line, Dan set out lines, Yongsan North line, a line of pine, Tong Wai lines, and 10 kV lines,
4, in accordance with the safe and reliable operation of distribution network level.
5, the enhancement of public inspection and load change measurements, the public variable load measurement as a key task daily work; good load forecasting and load adjustment is projected to formulate a plan to load more than 70% rate change the load of public adjustment to reverse the distribution transformer overload operation to adjust after the passive situation.
6, the implementation of low voltage rectification Taiwan area, the appropriate extension of 10kV distribution lines, by increasing the Taiwan area and sort out the transformation of low-voltage lines, power supply radius strictly console area to ensure qualified people to provide electricity.
7, according to the unified arrangements of power supply bureau of Yangjiang, to carry out preventive test on the post-change work, and Mobile, China Unicom users Line and green corrective safety problems, defective equipment to eliminate the user to protect access to network equipment reliability, to ensure safe and reliable operation of the grid.
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