The microcomputer based protection device is an economic protection device used for the integration of measurement, control, protection, and communication; Tailored for the high-voltage distribution room of the distribution network terminal, with a three-stage undirected current protection as the core, equipped with monitoring and collection functions for power grid parameters, traditional ammeters, voltmeters, power meters, frequency meters, kilowatt hour meters, etc. can be eliminated, and measurement data and protection information can be remotely transmitted to the upper computer through the communication port, facilitating the implementation of distribution network automation; The device integrates a backup power supply automatic switching function based on the characteristics of the distribution network power supply, which can flexibly achieve the functions of incoming line backup switching and bus split backup switching
Protection type editing
Fixed time/inverse time protection, post acceleration protection, overload protection, negative sequence current protection, zero sequence current protection, single-phase grounding line selection protection, overvoltage protection, low voltage protection, loss of voltage protection, negative sequence voltage protection, air cooling control protection, zero sequence voltage protection, low cycle load shedding protection, low voltage disconnection protection, reclosing protection, backup automatic switching protection, overheating protection, reverse power protection Protection against excessive startup time, non battery protection, etc
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China