[go: up one dir, main page]

Sun et al., 2013 - Google Patents

An opening displacement curve characteristic determined by high-current anode phenomena of a vacuum interrupter

Sun et al., 2013

Document ID
9425733874870497300
Author
Sun L
Yu L
Liu Z
Wang J
Geng Y
Publication year
Publication venue
IEEE transactions on power delivery

External Links

Snippet

A vacuum interrupter reaches its interruption limit once high-current anode phenomena occur. In order to increase the interrupting capability of vacuum interrupters, extensive research work has been done which included consideration on the contact geometry …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H01H33/182—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/36—Metal parts
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/64—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid wherein the break is in gas
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/42—Impedances connected with contacts
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/02—Contacts characterised by the material thereof
    • H01H1/0203—Contacts characterised by the material thereof specially adapted for vacuum switches
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof

Similar Documents

Publication Publication Date Title
Sun et al. An opening displacement curve characteristic determined by high-current anode phenomena of a vacuum interrupter
Kong et al. High-current vacuum arc: The relationship between anode phenomena and the average opening velocity of vacuum interrupters
Yao et al. Development and type test of a single-break 126-kV/40-kA–2500-A vacuum circuit breaker
Yu et al. High-current vacuum arc phenomena of nanocrystalline CuCr25 contact material
Liu et al. Estimation of critical axial magnetic field to prevent anode spots in vacuum interrupters
Li et al. High-current vacuum arc mode transition of a horseshoe-type axial magnetic field contact with long contact gap
Zhang et al. Axial magnetic field strength needed for a 126-kV single-break vacuum circuit breaker during asymmetrical current switching
Yu et al. Inrush current prestrike arc behaviours of contact materials CuCr50/50 and CuW10/90
Zhang et al. Influence of high-frequency high-voltage impulse conditioning on back-to-back capacitor bank switching performance of vacuum interrupters
Yao et al. Optimizing the opening velocity for a vacuum circuit breaker with cup-type axial magnetic field contacts
Huang et al. Investigation of arc characteristics of a DC vacuum circuit breaker with double-break under asynchronous interrupting
Shi et al. Axial magnetic field contacts with nonuniform distributed axial magnetic fields
Guan et al. A relationship between vacuum arc characteristics and short-circuit current interrupting capability at minimum arcing times
Liu et al. Comparison of vacuum arc behaviors between axial-magnetic-field contacts
Yu et al. Prestrike inrush current arc behaviors in vacuum interrupters subjected to a transverse magnetic field and an axial magnetic field
Li et al. Arcing contact gap of a 126-kV horseshoe-type bipolar axial magnetic field vacuum interrupters
Fink et al. Vacuum interrupters with axial magnetic field contacts based on bipolar and quadrupolar design
Qin et al. Characteristics and influencing factors of the postarc current in vacuum DC interruption
Qin et al. Influence of the contact opening speed on DC vacuum arc
Liu et al. Experimental and simulation research on influence of axial magnetic field components on vacuum arc between transverse magnetic field contacts
Yao et al. Determination of opening velocities for vacuum circuit breakers at transmission voltage
Liu et al. Vacuum arc evolution characteristics in low-voltage DC current interruption under composite transverse magnetic fields
Ding et al. Effect of parallel circuit parameters on the instability of a low-current vacuum arc
Cheng et al. Study on high-current vacuum arc characteristics under self-generated axial magnetic field of contact at a long contact gap for high-voltage vacuum interrupters
Yu et al. Influence of contact plate slots on inrush current prestrike arc behaviors of vacuum interrupters