At the recent national on-site meeting of the State Grid Corporation's Enterprise Management Innovation, Zhejiang Hangzhou Power Supply Company released a new smart meter collection system called 'LastGasp'.
The grid company has a basic mission to ensure a safer, more economical, cleaner, and sustainable power supply. As the grid has been strengthened, Hangzhou's power outages are now less and less, especially because of the high temperatures and cold weather. Insufficient and excessive line pressure caused by power outages. Occasionally, mostly due to faults.
Recently, Hangzhou Power Supply Company released a new smart meter collection system called 'LastGasp' to help staff quickly determine the location of the fault.
This new meter collection device has a super capacitor. Even if there is a power failure in the distribution network, the excess energy stored in the super capacitor can help the meter continue to 'last breath' and instantly send a 'help' data to the distribution automation main station. The staff receives the signal, can quickly determine the location of the fault, and arrange for the repair personnel to rush to the scene.
At present, Hangzhou Power Supply Company has completed the pilot installation of 100,000 LastGasp smart meters, allowing customers to enjoy this 'hands-free' power repair service. In the core area of the pilot - Qianjiang Century City, the digital repair of the LastGasp meter , has pushed regional customers to reduce the average annual power outage time to less than 2 minutes.
In addition to the rapid determination of faults, offline, on-site repair services are also very important. For example, the repair personnel are arranged and matched nearby; after receiving the signal, can the first-time accurate positioning to the home, etc. Hangzhou is deeply developing a data asset system for the distribution network. The repair personnel can know the fault location of the faulty customer at the same time as the fault of the distribution network, and the basic situation of the faulty equipment is equivalent to doing it in advance. Preview ', easy to enter quickly. At the same time, the distribution network control center can accurately determine the cell, unit and even the account number of the signal source while receiving the 'salvation signal'.
In the future, with the upgrade of the LastGasp meter, the Hangzhou people may not hang up the 95598 power service hotline, and the electrician will run to the doorstep; just after 10 seconds of power outage, the power supply of the district will be restored; The repaired SMS has been displayed on the phone.
In the next step, Hangzhou Power Supply Company also plans to use LastGasp meter as the data source point to realize the energy collection of water, electricity, gas and distributed power generation in centralized residential areas, comprehensively carry out online energy monitoring of customers, analyze and let this small electric meter, Really become the 'energy data steward' around the people.
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