Method and device for automatically isolating and positioning earth faults of Dc system
A ground fault, DC system technology, applied in the direction of fault location, emergency protection circuit devices, electrical components, etc., can solve the problems that ground faults cannot be isolated, cannot be located, methods and devices, etc., so as to reduce the impact and facilitate maintenance and operation personnel to master , The effect of reducing the time leading the way
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0036] The markings in the drawings, with figure 1 Among them, K11, K21, Kn1—the common power supply is connected to the 1st, 2nd and nth branch control relay normally closed contacts, K12, K22, Kn2——the isolated power supply is connected to the 1st, 2nd to nth branch The normally open contact of the control relay of the branch circuit; figure 2Among them, Ki0——relay coil and its normally closed contact, Ki1, Ki2——the i (i=1, 2...n) branch relay coil and its normally open contact, Ki3, Ki4——the i Branch relay normally open or normally closed contact, SBi1, SBi2—manual switch button switch for the i branch, STi1, STi2—time delay relay and its contact for the i branch, KM+—control power positive pole , KM- —— negative pole of control power supply; attached image 3 Among them, Vcc-control power supply, Ki3, Ki4--relay coil on the i-th branch, Qi1, Qi2--transistor switching elements on the i-th branch, Pix1y1, Pix2y2--drive output signal of the i-th branch.
[0037] Embodimen...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com