"For ordinary people, power off for 10 seconds has been very troublesome. If it happens in the operating room of the hospital, it will not tolerate the slightest loss." The development unit of this system - Shanghai Najie Electric Co., Ltd. Manager Shen Jianming told reporters that by adding solar panels to the roof of the power distribution station, photovoltaic power generation can be used to achieve continuous power use. The reporter learned that this set of E-1 intelligent power distribution monitoring system is dedicated to the power distribution station, more prominent in intelligence, digitization, information and interaction, and the "18 Martial Arts" like maintenance, scheduling, and data recording. proficient.
The smart distribution system is an excellent “overhaul worker†that can quickly diagnose and handle faults. In the past, if there were problems with the lines, technical workers would need to conduct inspections one by one through switches and outlets. Residential buildings are good. If they are large enterprises and factories, the workload is very alarming. Waiting until the failure point is identified and dealt with, power outages may have caused huge losses to residents and businesses. This intelligent system can quickly diagnose and locate faults such as fuses, switches, circuit breakers, and equipment by detecting networks. It is no exaggeration to say that the specific jump is caused by which building, which household, and which switch caused it. It is all "suddenly on the chest." When the problem is discovered for the first time, the GSM mobile phone alarm module will send the alarm information to 9 mobile phones, such as the busbar temperature is too high, the switchgear trips and so on. This can not only achieve "real-time unattended monitoring," but also greatly improves the efficiency of troubleshooting and reduces user losses. At the same time, “repair workers†can also give early warning to the equipment: through the statistics of telemetering parameters, remote signaling status, and the number of actions, the intelligent system predicts equipment maintenance and life. Once a device approaches the life limit, the system will also Send an alert to stop the accident.
It is understood that energy saving and consumption reduction are another characteristic of intelligent power distribution systems and smart substations. Due to the adoption of fieldbus technology, the control cables are reduced to at least one-tenth of the original, which not only saves materials, but also greatly reduces the losses generated when the electricity passes through the cables, and the energy utilization efficiency is improved. Take the 110kV substation in Shanghai, the first substation to be put into operation in October this year, as an example. It can save 41.2 tons of standard coal and reduce 79 tons of carbon dioxide emissions each year.
Shen Jianming told reporters that the smart grid is a direction of the world's efforts, and intelligent power distribution stations, substations, is a specific form of smart grid. The so-called intelligence is to realize the "dialogue" between the power grid and users. Through "dialogue," electricity will become safer, more reliable and more economical, and these will eventually be fed back to the end-users and provide a model for the future low-carbon economy model.
The electric tool is a kind of small electric motor or electromagnet as the power. A small tool that drives the working head through a transmission mechanism. There are a wide variety of electric tools, complete functions, easy to carry, and simple to use. They have been widely used in various industries and have entered the family. Electric tools are divided into handheld and movable There are two types. Hand-held power tools are more flexible, convenient and widely used. Many varieties have become necessary tools for production and life. There are many brands of power tools. According to the functions and uses of power tools, they are divided into nine categories. . Mainly are the following nine categories:
1. Metal cutting power tools, metal cutting power tools mainly include: electric drills, magnetic drills, electric reamers, electric knives, electric scissors, electric punching shears, electric reciprocating saws, electric pipe saws, electric tapping machines , Electric profile cutting machine, electric oblique cutting machine, electric weld beveling machine, multifunctional electric tools.
2. Sanding power tools, sanding power tools include; straight grinders, angle grinders, flexible shaft grinders, mold electric grinders, flat sanding machines. Belt sander,. Straight polishing machine, disc polishing machine.
3. Assembly electric tools, assembly electric tools include: electric wrenches, fixed torque electric wrenches, electric screwdrivers, electric expansion planes, electric self-powered screwdrivers, electric pull willow guns.
4. Construction road power tools, construction road power tools including: concrete vibrator, electric hammer, hammer drill, impact drill, electric pick, electric floor polisher, electric stone cutter, willow bolt wrench, wet grinding Light machine, electric steel disc cutter, electric pipe threader, electric pipe bender, electric engineering drill, electric scraper, electric brick wall milling machine
5. Mine power tools, mining power tools include: electric rock drilling face, rock electric drill,
6. Railway power tools, railway power tools include: railway electric wrench, sleeper electric drill, sleeper electric pick
7. Power tools for agriculture and animal husbandry, including: electric scissors machine, electric tea plucking machine, electric wine spraying machine, electric hoof repairing machine, electric food sampling machine.
8. Forestry power tools, forestry power tools include electric band saws, electric planers, electric plugs, woodworking multi-tools, electric pruners, electric pruners, electric slotting machines, electric chain saws, electric curves Saws, electric wood milling, woodworking knife grinders, electric circular saws, electric wood drills.
9. Other types of electric tools. Other types of electric tools include: plastic welding guns. Electric cloth cutting machine, electric air Pump, electric pipe cleaning machine, electric crimping machine, plaster chainsaw, electric engraving machine, electric rust remover, plaster electric shears, electric carpet shears, electric dental drill, electric sternum saw, electric bone drill ,
Electronic Tools,Hand Drill,Electric Hammer,Electric Saw,Angle Grinder
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