A few days ago, the reporter learned from the Dongguan Bureau that the first 500 kV series reactor of China Southern Power Grid was being produced in full swing in the Beijing Electric Power Equipment Factory and will be delivered to the site by the end of April. The equipment will be installed on the 500 kV Longbao Line (Lianjiang-Bao'an Line) to limit the short-circuit current and resist the danger of “knuckle†at the peak load of 500 kV grids in the southeastern Guangdong area. Earlier this year, the installation of this equipment was settled in Dongguan and included in the “525†key project this year.
Nan'an's first 500 kV series reactor was exposed during the manufacturing process. The picture shows the construction site.
At present, relevant personnel of the Dongguan Power Supply Bureau have come to the scene to carry out independent supervision and construction. In the first stage, six coils of #1 and #2 500 kV series reactors have been clamped and coiled on the tire, and they have entered the coil curing process; #3~# 6 coils start the winding process. This is the first time that the entire network has implemented the first independent supervision of large-voltage equipment.
“Four-in-one†guarantees material progress and quality Faced with new tasks and pressing time requirements, the Guangdong Provincial Power Grid Corporation’s Materials Department established the first 500-V volt series reactor monitoring task team on the Longbao Line to appoint Guangdong Power Grid Corporation. The Material Quality Control Technology Center is the group leader unit and is responsible for organizing the implementation of the supervision and manufacturing work with the Dongguan Bureau.
Dongguan Bureau Logistics Center took this engineering material supply as the “emphasis†of the work in 2014. Through the establishment of the material security working group, we started from the aspects of the work plan, technical standards, work instructions, expert personnel, and resident point arrangements. The entire process of engineering material progress and quality is implemented and controlled so that the overall deployment is in place, responsibilities are put in place, full coordination is in place, and supervision and inspection are in place “four in one.â€
Self-manufacturing supervision propped up the umbrella of large-scale equipment quality Recently, the heads of quality control of the Dongguan Bureau Logistics Service Center, station supervisors, provincial material goods control technology centers, and provincial logistics centers visited the Beijing Power Equipment General Factory (manufacturers ), Negotiations were made on the installation of a 500 kV series reactor supervision plan, time nodes, quality control measures, quality standards, and responsibilities of various parties on the longitudinal Bao line, and the confirmation was based on textual witnesses, on-site process supervision, and shutdowns pending inspection. Three phases, namely the WHS Quality Control Strategy, witnessed the key points of the equipment manufacturing process and witnessed independent supervision.
“This is the first time Nanfang Networks has independently supervised large voltage grade equipment. It is necessary to intervene early to control project progress and quality control,†said the person in charge of quality control at the Dongguan Bureau Logistics Service Center. "In contrast to the previous practice of commissioning successful bidders to carry out equipment supervision, we are now mainly responsible for quality control experts within the organization system to witness the whole process and supervise the construction of factories, thereby improving the supervision effectiveness and the initiative."
The materials department and the production department jointly carried out quality control work, and through the factory technicians monitored the on-site production process and technical standards, found problems in a timely manner and communicated with the materials department and the manufacturers, effectively guaranteed the progress and quality of material supply, and strengthened the technology. The binding of standards on manufacturers has enhanced the monitoring role of power grid companies in material procurement and has a milestone significance in the in-depth development of electric power goods control work.
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