In 2018, the tenth substation equipment bidding of the State Grid Corporation's power transmission and transformation project mainly includes transformers, combined electrical appliances, isolating switches, circuit breakers, switchgear, transformers, arc suppression coils, reactors, capacitors, lightning arresters, cables, and protection. 13 types of equipment such as class equipment and substation monitoring.

cable

First, the total amount of cable tenders

In the tender for the tenth substation equipment of the State Grid Corporation's power transmission and transformation project in 2018, a total of 239.173 kilometers of cable was recruited.

From the perspective of voltage level, the number of 220kV cable tenders was the highest, 205.723 kilometers, accounting for 86.01%; the number of 10kV, 35kV cable tenders was relatively small, 11.95 kilometers, 21.5 kilometers.

In terms of material types, power cable bidding was 227.223 km, accounting for 95.00%; grounding cable bidding was 3.88 km, accounting for 1.62%; grounding coaxial cable bidding was 3.87 km, accounting for 1.62%; submarine cable bidding was 4.2 km. , accounting for 1.76%.

Second, the cable tenders in various provinces

In the tender for the tenth substation equipment of the State Grid Corporation's power transmission and transformation project in 2018, 12 project units totaled 239.173 kilometers of tendering cables. Among them, Beijing bidding 70.05 kilometers, accounting for 29.29%, ranking first, Hubei bidding 69.34 kilometers, ranking second, accounting for 28.99%, Liaoning bidding 30.48 kilometers, accounting for 12.74%, ranked third.

Third, the cable market supply situation

In the tender for the tenth substation equipment of the State Grid Corporation's power transmission and transformation project in 2018, cable tendering mainly came from 11 project units. Among them, the number of successful bidders in Hubei is 4, ranking first; the number of successful bidders in Beijing, Henan and Tianjin is 3, ranking second.

In the tender for the tenth substation equipment of the State Grid Corporation's power transmission and transformation project in 2018, the total number of scalars in the cable was 230.727 km. A total of 10 enterprises won the bid and the flow standard was 8.446 km.

From the results of the winning bid, Qingdao Han Cable Co., Ltd. won the bid of 81.09 kilometers, with a share of 35.15%, ranking first. TBEA Shandong Luneng Taishan Cable Co., Ltd. won the bid of 53.955 kilometers, with a share of 23.38%, ranking second, Hangzhou Huaxin Power Cable Co., Ltd. won the bid of 34.872 kilometers, with a share of 15.11%, ranking third.

Protection equipment

First, Total amount of tenders for protection equipment

In the tender for the tenth substation equipment of the State Grid Corporation's power transmission and transformation project in 2018, 2,680 sets of protection equipment were recruited.

From the perspective of voltage level, the number of bidding for 110kV protection equipment is the highest, which is 1231; 910 sets for 220kV protection equipment; the number of bidding for 35kV, 66kV, 330kV, 500kV protection equipment is relatively small, 110 sets, 101 sets, 102 respectively. Sets, 158 sets; 10kV, 750kV protection equipment tenders the least, respectively, 11 sets, 52 sets.

In terms of types of materials, 833 sets of conventional protection equipment were tendered, accounting for 31.08%; 1847 sets of intelligent protection equipment were tendered, accounting for 68.92%.

Second, the protection of equipment in various provinces

In the tender for the tenth substation equipment of the State Grid Corporation's power transmission and transformation project in 2018, 25 project units totaled 2,680 sets of equipment for protection and protection. Among them, 354 sets of Jiangsu bidding, accounting for 13.21%, ranked first, Henan 264 sets, ranking second, accounting for 9.85%, Shandong bidding 234 sets, accounting for 8.73%, ranked third.

Third, the protection equipment market supply situation

In the tender for the tenth substation equipment of the State Grid Corporation's power transmission and transformation project in 2018, the tender for protection equipment was mainly from 25 project units. Among them, Henan has a number of successful bidders, ranking first.

In the tender for the tenth substation equipment of the State Grid Corporation's power transmission and transformation project in 2018, the total number of scalars in the protection equipment was 2,680, and a total of 9 enterprises won the bid, and no flow label occurred.

According to the results of the winning bid, Nanjing Nairui Jibao Engineering Technology Co., Ltd. won 694 sets, with a share of 25.90%, ranking first. Xu Ji Electric Co., Ltd. won 684 sets, with a share of 25.52%, ranking second, Beijing Sifang Bao Engineering Technology Co., Ltd. won 387 sets, with a share of 14.44%, ranking third.

Substation monitoring

First, the total amount of monitoring and monitoring of substation monitoring

In the tender for the tenth substation equipment of the State Grid Corporation's power transmission and transformation project in 2018, a total of 216 substation monitoring units were recruited.

From the perspective of voltage level, the number of monitoring bids for 110kV substation is the highest, 129 sets; the number of monitoring bids for 35kV and 220kV substations is small, 38 sets and 27 sets respectively; the number of monitoring bids for 66kV, 330kV, 500kV and 750kV substations is the least, respectively 13 sets, 3 sets, 4 sets, 2 sets.

From the perspective of material types, 45 sets of conventional substation monitoring and bidding, accounting for 20.83%; intelligent substation monitoring and bidding 171 sets, accounting for 79.17%.

Second, the substation monitoring the bidding situation of each province

In the tender for the tenth substation equipment of the State Grid Corporation's power transmission and transformation project in 2018, 26 project units monitored a total of 216 sets of tender substation monitoring. Among them, 41 sets of Henan bidding, accounting for 18.98%, ranked first, 21 sets of Jiangsu bidding, ranking second, accounting for 9.72%, 19 sets of Shandong bidding, accounting for 9.72%, ranking third.

Third, the substation monitoring market supply situation

In the tender for the tenth substation equipment of the State Grid Corporation's power transmission and transformation project in 2018, the substation monitoring bidding mainly came from 26 project units. Among them, Henan has a number of successful bidders, ranking first.

In the tender for the tenth substation equipment of the State Grid Corporation's power transmission and transformation project in 2018, a total of 222 sets of scalars were monitored in the substation. A total of 9 enterprises won the bid and no flow label occurred.

Judging from the results of the winning bid, Nanjing Nanrui Jibao Engineering Technology Co., Ltd. won 62 sets with a share of 28.70%, ranking first, and Xu Ji Electric Co., Ltd. won 35 sets with a share of 16.20%, ranking second, Guodian NARI Nanjing Control System Co., Ltd. won 32 sets, with a share of 14.81%, ranking third.

This article is an excerpt from the Statistical Analysis Report on Supply and Demand of Key Equipment in the Power Industry, prepared by Zhongneng Guoyan (Beijing) Electric Power Research Institute.

    By: JUCRO Electric (Focus on Vacuum Interrupter, Vacuum circuit breaker, Vacuum contactor and Switchgear)

    December 4, 2018