Blog

05Nov, 2025

Why doesn't the high-voltage vacuum circuit breaker trip when the low-voltage...
This is a critical and serious power system issue. When the low-voltage side loses power but the high-voltage vacuum circuit breaker does not trip, this is entirely normal and cons
05Nov, 2025

What is High Breaking Capacity of Vacuum Circuit Breaker?
High breaking capacity technology has long been widely used in the power industry, transportation, petrochemicals, and other fields. In high-voltage circuit breakers, various techn
04Nov, 2025

What are the causes of prostate overheating under high-pressure vacuum?
1.Sudden Load Changes or Short-Circuit Impacts 2.Contact Quality Issues 3.Poor Contact 4.Installation Process Issues 5.Improper equipment maintenance 6.Other Potential Factors
04Nov, 2025

Let's Talk About Energy Storage Motor in A VCB!
Energy Storage Handle Energy Storage Button When does the motor store energy in a circuit breaker? There are two situations of motor energy storage in a circuit breaker : 1, There
03Nov, 2025

Why is the volume of your vacuum circuit breaker so small while its service l...
The reason why a vacuum circuit breaker can achieve both "small volume" and "long service life" lies in the outstanding performance of its core component - the
30Oct, 2025

Do you know the difference between current transformer and transformer?
1.Operating status and safety requirements
2.Primary current determining factors
3.Functions and Purposes
29Oct, 2025

Why is the secondary side of a current transformer not allowed to be open-cir...
1. Why are current transformers absolutely not allowed to be open-circuited? Secondary Open-Circuit Condition (Danger!): When the secondary circuit is open, the secondary current I
29Oct, 2025

What is the Relationship Between Current transformer and The Turn
a Current transformer Role Current transformers is mainly used to proportionally convert large currents into smaller currents for use in secondary equipment such as measurement and
28Oct, 2025

A Zero Sequence Current Transformer-CCT VS A Current Transformer
Concept and Funtions A zero-sequence current transformer (CCT) is a single-turn, through-hole device used to monitor zero-sequence current in power systems. A Zero Sequence Current
28Oct, 2025

What are the core uses of current transformers?
1.Safe High-Current Measurement and Protection 2.Electrical Isolation and Personnel Safety 3.Remote Monitoring and Automated Management 4.Technological Upgrades and Environmenta
27Oct, 2025

Can the secondary sides of current transformers be connected in parallel?
The following explains in detail why parallel connection is prohibited and the correct approach. Why parallel connection is absolutely prohibited? A current transformer is essentia
24Oct, 2025

Do you know the methods of the fault monitoring of vacuum interrupter in high...
1.Power Frequency Withstand Voltage Test (Qualitative Test)
2.Vacuum Degree Testing Method (Quantitative Detection)
3.Other Auxiliary Testing Methods
4.Maintenance R

First 18 19 20 21 22 23 24 Last 21/35