Juhonkia continues to introduce new innovations in the field of ring main switchgears. The ring main switchgears series products achieve full coverage of voltage levels and different insulation media products. It is the first domestic enterprise to simultaneously complete the R&D, manufacturing, network access testing and batch supply of standardized and customized SF6 gas insulated, solid insulated, environmentally friendly gas insulated, atmospheric air insulated ring main units and primary and secondary integrated ring main boxes.
2026-10-09 00:05:15
How Many Ways Should a Ring Main Unit Have for Different Distribution Networks?Choosing the correct ring main unit configuration does not have to be complicated. In this guide, I will show you how to determine whether a network needs a 2-way, 3-way, 4-way, or customized RMU, how to match switching functions with transformer capacity and feeder requirements, and how to verify the final specification with a Ring Main Unit Manufacturer such as Juhonkia. By following the steps
2026-10-08 00:07:07
What Do Transformer Vector Group and Impedance Mean for Project Selection?What Do Transformer Vector Group and Impedance Mean for Project Selection? In simple terms, the vector group defines how a transformer’s primary and secondary windings are connected and how their voltages are phase-shifted, while impedance indicates the transformer’s internal opposition to current flow during normal and fault conditions. Together, these two specifications help engineers
2026-10-07 00:06:14
How Pole-Mounted Circuit Breakers Improve Distribution Grid ReliabilityUtilities use a pole-mounted circuit breaker for distribution lines—often called an automatic recloser—to detect faults, interrupt current, and restore service without sending a crew to every temporary fault. A correctly engineered automatic recloser installation can improve medium-voltage overhead feeder protection through distribution automation, fault isolation, and outage restoration. The
2026-10-06 00:05:34
GGD vs GCS vs MNS Low Voltage Switchgear: What Are the Differences?For a Low Voltage Switchgear Manufacturer, the most important question is not which model is most popular, but which structure provides the right balance of safety, capacity, maintainability, installation cost, and long term reliability for a specific project. GGD, GCS, and MNS low voltage switchgear are all widely used in power distribution systems, but they are not interchangeable.
2026-10-06 00:05:37
How Renewable Energy Projects Are Changing Power Transmission and Distribution SystemsRenewable energy projects are transforming Power Transmission and Distribution from a one-way delivery network into a flexible, digital, and bidirectional system. Solar farms, wind plants, battery storage, distributed generation, electric vehicles, and smart loads are changing where electricity is produced, how it flows, and how utilities maintain reliability.
