The high-voltage switchgear is an electrical equipment based on circuit breakers. It means that the manufacturer connects the relevant high and low voltage electrical appliances (including control appliances, protective appliances, and measuring appliances), bus bars, current-carrying conductors, Insulators, etc. are assembled in a closed or open metal cabinet as a device for receiving and distrib...

On the afternoon of October 27, 2020, the China Power Distribution Technology Summit Forum was hosted by the China Electric Power Research Institute Co., Ltd. and the China Electricity Council Technology Development Service Center. The main forum of the conference will be live broadcast simultaneously, with 14,000 participants online. Industry experts shared and discussed content such as the unifi...

Switchgear shell, baffle and pressure relief device The shell and baffle of the switchgear are assembled by high-strength bolts (or rivets) after being processed and bent by CNC machine tools with anti-oxidation and anti-corrosion aluminum-zinc plates. Therefore, the assembled switchgear can ensure the uniformity on the size and high mechanical strength. The door surface paint of switchgear adopts...

When you want to buy switchgears, you should know some basic knowledge for "What? How? & Why?"(part 2) 14. What is the function of program lock? Where is it installed? Cabinet and cabinet operation sequence according to the stipulated procedure linkage, plays the role of preventing misoperation. 15. What is the function of earth switch play? The earth switch is installed at switchgear outlet, ...

What is the difference between GGD,GCK,GCS type switchgear? GGD： GGD type AC low voltage distribution cabinet is suitable for power distribution system with ac 50/60Hz, rated working voltage 380V, rated working current 1000-3150A for power substation, power plant, industrial and mining enterprises and other power users. It is used for power conversion, distribution and control of power generation,...

The user shall provide the following information when ordering Switchgear: 1、Main wiring diagram, plane layout diagram and the model and specification of main electrical components. 2、Schematic diagram of secondary circuit and terminal arrangement diagram. If not, will according to the manufacturer's standard. 3、Material and specification of main bus and branch bus. If not, will according to the m...

The functions of the Ring Main Unit system include: 1、Remote opening and closing or closing latching operation of the load switch or circuit breaker of each ring main unit from the control master station or sub-station, also can do it locally. 2、Obtain the contact position state, fuse state, circuit breaker fault protection state, contact position state of earthing switch and other information fro...

12kv mv switchgear panel self-test measures Introduction Introduction Part II ---------Measures to ensure the accuracy of the turning cabinet Guarantee measures for temperature rise performance Through the accumulation of long-term operating experience and continuous test verification, the company has set up a unique and cost-effective temperature rise performance program. The plant is equipped wi...