Today we would like to introduce one of our New Environmental N2 Inflatable High Voltage RMU This new 12kV environment-friendly gas ring network cabinet is filled with nitrogen gas, which does not emit any toxic substances, is safer and environmentally friendly, and meets the needs of miniaturized space. Suitable for various power distribution systems-including extremely harsh environmental condit...

1．Main bus installation The main busbar use rectangular busbar in switchgear. In consideration of the convenience of installing the main bus, the main bus is segmented made according to the width and length of the cabinet. The basic steps of main bus installation are as follows: 1）After inspecting the busbar bushing without damage, install busbar bushing and supporting busbar bushing board 2）Wipe ...

1. Circuit breaker handcar enters the cabinet: Inspect the condition of the circuit breaker carefully，check whether it is in good condition before circuit breaker handcar enter into the cabinet. Whether the circuit breaker is in the opening state, otherwise, must opening first. Whether tools and other sundries are omitted in the handcar, after confirming good, push the handcar into the cabinet and...

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, ...

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...

Feeder cabinet is one kind of metal clad switchgear, how does feeder cabinet give power supply? Do you know how to operate, please follow below instruction: Preparation before power transmission Confirm that there are no leftovers and tools on the handcart and in the cabinet The grounding switch should be in the closed state (Note: the product must pass the product handover test after installation...

IP (INGRESS PROTECTION)protection grade system is drafted by IEC (INTERNATIONAL ELECTROTECHNICAL COMMISSION), which classifies electrical appliances according to their dust and moisture resistance. The foreign objects referred to here include tools, and human fingers, etc., should not touch the live parts of the appliance to avoid electric shock. IP protection level representation method: The prot...

Analyze the reasons for the failure of the high and low voltage switchgear, mostly in the insulation, conductivity and mechanical aspects. 1. Insulation failure: Insulation level is to correctly handle the relationship between various voltages (including operating voltage and various overvoltages) acting on the insulation, various voltage limiting measures, and insulation strength. Strive to make ...