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Zhejiang Hangzhou Power Supply Company Releases New Smart Meter Acquisition System
[ China Instrument Network Instrument R&D ] At the National On-site Meeting of the State Grid Corporation Enterprise Management Innovation held recently, Zhejiang Hangzhou Power Supply Company released a new smart meter collection system called “LastGaspâ€.
Grid companies have a fundamental mission to ensure a safer, more economical, cleaner, and sustainable power supply. With the grid being strengthened again and again, the current power outages in Hangzhou are becoming less and less, especially due to high temperature and cold weather, insufficient power supply and excessive power line pressure. Occasionally, mostly because of the failure.
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 collecting device has a super capacitor. Even if there is a power outage in the distribution network, the surplus power stored in the super capacitor can help the meter continue the "last breath" and instantly send a "help" data to the distribution automation main station. . When the staff receives the signal, they 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 pilot core area - Qianjiang Century City, the digital repairs brought by LastGasp meters have pushed the average annual power outage time of regional customers 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 home location be provided. In recent years, Hangzhou is developing a set of data asset system for the whole distribution network. The repair personnel can know the fault location of the faulty customer and the basic situation of the faulty equipment at the same time by knowing the fault of the distribution network. "Pre-study" for quick access. At the same time that the distribution network control center receives the "help signal", it can accurately determine the cell, unit and even the account number where the signal source is located.
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 failure, the power supply of the community will be restored; no distribution network failure, power The fixed 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 even distributed power generation in centralized residential areas, comprehensively carry out online monitoring and analysis of customer energy efficiency, and let this small electric meter, Really become the "energy data steward" around the people.
(Source: Metro Express, Hangzhou Daily, Guofu Power)