Industry News

Combined transformers operating in distribution networks face dual threats from lightning strikes and switching operations. A recent technical communication from industry specialists revisits the overvoltage protection strategy for such equipment, with particular emphasis on the high-voltage side...

As a mature type of gapless AC surge protection equipment, elbow-type metal oxide surge arresters are widely applied to safeguard combined transformers in distribution power systems. With standardized structural design, reliable electric field optimization and flexible operating performance, the ...

Common miniature fuses are, for example, glass tubular fuses and flake fuses in cars. As a protective element of electronic equipment, glass tubular fuses are used for a long time, but because of its large size, easy to break, can not achieve automatic installation and other shortcomings, so the ...

​  I.Scope and Standards 1. Product Scope American-style pad-mounted substations, cable distribution boxes, and ring main units equipped with 200A plug-in elbow-type gapless zinc oxide surge arresters (main specifications: 17/50 kV and 24/60 kV), integrated EPDM rubber shielded elbow housings, in...

Factory tests for high-voltage wall bushings are split into two core categories: Routine Factory Tests (100% inspection for every finished unit) and Type Tests (design verification for each new product model). All tests strictly follow international standards IEC 60137, IEEE C57.19.00 and relevan...

​Elbow connectors (also known as cable elbow joints, elbow cable connectors, insulated elbow terminations, widely used in 10kV/35kV ring main units, transformers and switchgear) undergo a complete series of strict factory inspection and type tests before delivery. All tests follow international s...

​  This specification specifies the detailed inspection items, judgment standards, hazard analysis and operation requirements for voltage transformer (VT) installation. It is applicable to the pre-operation installation acceptance and on-site inspection of oil-immersed voltage transformers in pow...

​  1. Product Overview The indoor high-voltage AC earthing switch is an essential safety auxiliary equipment dedicated to 40.5 kV indoor power distribution systems. It is mainly installed inside high-voltage switch cabinets to provide reliable grounding protection for high-voltage equipment durin...

1.Overview Contact Box is a crucial insulating and connecting component in the fields of power systems and industrial automation. It is precisely manufactured using high insulation strength materials (such as epoxy resin, SMC, etc.), with integrated conductive contacts or connection terminals ins...

I. Product Introduction The dry indoor discharge transformer is of epoxy resin vacuum casting structure. It is mainly used for discharging the capacitor bank in the power system to ensure the safety of personnel and equipment after power outage.   II. Main Features 1. Single-phase indoor dry stru...

Overview: This product is an outdoor-type, epoxy resin cast insulation, three-phase integrated potential transformer,specially designed for 10kV power distribution systems. It integrates voltage transformation and fuse protection functions, and is suitable for voltage measurement, power metering,...

​  High Voltage Epoxy Resin Switchgear Sensor is an embedded or integrated sensing device installed inside the switchgear. It is used to monitor critical operating parameters (such as temperature, partial discharge, mechanical position, etc.) non-contactingly. The key feature of this sensor is th...