Breaking techniques and switchgear

General Knowledge

From current transformers to hybrid sensors, in HV

Vacuum switching

MV breaking techniques

Current transformers: specification errors and solutions

SF6 properties, and use in MV and HV switchgear

Current transformers: how to specify them

Low Voltage < 1kV

LV breaking by current limitation

Development of LV circuit breakers to standard IEC 947-2

Low Voltage circuit-breakers; breaking techniques

High Voltage > 1kV

From current transformers to hybrid sensors, in HV

Breaking by auto-expansion

Current transformers for HV protection

Design and use of MV current-limiting fuses

The behaviour of SF6 puffer circuit-breakers under exceptionally severe conditions

Behaviour of the SF6 - MV circuit-breakers Fluarc for switching motor starting currents

Control equipment for MV capacitor banks