Blog

30Oct, 2026

DC Interruption vs. AC Interruption: How the Vacuum Arc Physics Differs
1.AC: The Arc Gets to Walk Out on Its Own
2.DC: The Arc Gets Jumped Midway
27Oct, 2026

How contact material affects the arc voltage of DC interruption?
1. Work function and ionization energy of contact materials
2. Vapor pressure of contact material
3. Influence of contact material on cathode voltage drop
4. Contact
26Oct, 2026

Automatic Identification of Fault Types When a Vacuum Circuit Breaker Switche...
Fault type identification should be based on? The switching-off of a shunt reactor by a vacuum circuit breaker is a typical case of inductive small-current switching, in which curr
23Oct, 2026

How do current-chopping overvoltages arise when a vacuum circuit breaker inte...
1.Current Chopping: Interrupting the Current Before It Reaches Zero
2.Energy Transfer Drives Up the Voltage
3.Higher Chopping Values and Lower Capacitance Lead to More
21Oct, 2026

Three-Coil Permanent Magnet Actuator: How to Make the Opening Speed Fast Firs...
Core Principle For a three-coil permanent magnet actuator to achieve an opening speed that is "fast first and slow later," the core is to coordinate the electromagnetic force, reac
20Oct, 2026

Why Do Traditional Permanent-Magnet Mechanisms Struggle with the Large Contac...
I. Contact Gaps and Speed: The Challenges Posed to Operating Mechanisms at 126kV
II. The Core Issue: A Shared Magnetic Circuit Causes The Moving Armature To Be "Dragged Down"
15Oct, 2026

Axial Magnetic Field Contacts: Why High-Voltage Circuit Breakers Favor This S...
1.Making the Arc "Spread Out" Instead of "Clustering"
2.The Higher the Voltage, the More Advantageous AMF Becomes
14Oct, 2026

How Vacuum Circuit Breakers Connect to Digital Substations
How to Vacuum Circuit Breakers into Digital Substations In traditional substations, circuit breakers are controlled by extensive one-to-one cable wiring, with commands and signals
13Oct, 2026

Transverse Magnetic Field (TMF) Contacts: Making the Arc Run Instead of Burni...
1.Core Driving Mechanism
2.Specific Structural Design Implementation
3.Cup-Shaped And Iron Core Designs
12Oct, 2026

The Role of Contact Pressure Monitoring Systems in Self-Sensing and Fault Dia...
1、Contact Condition Awareness Through Sensor Technology
2、Fault Diagnosis Through Data Analysis
3、Improving Reliability And Supporting Condition-Based Maintenance
09Oct, 2026

Three-Coil Permanent Magnet Operating Mechanism: How Does It Simultaneously A...
Fast enough opening,sufficiently stable closing Vacuum circuit breakers impose two hard requirements on the operating mechanism: opening must be fast enough to shorten arcing time,
08Oct, 2026

Why Must the Vacuum Interrupter Be Installed in a Unified Manner in Deep-Fusi...
1.The "Non-Replaceable" Property Cured in Resin
2.The Hard Constraint of Three-Phase Consistency
3.Insulation Coordination Cannot Be "Installed However One Likes"

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