The company has a number of power equipment to be exported, need to go through the sea, the technical requirements of three, I would like to ask what is the three here? How to check whether the complete sets of components used to do three treatment? Please exhibitions, grateful!
Three refers to the anti moisture, salt spray, anti mildew.According to the complete set of electrical as well as five: (1) to prevent the wrong points, close circuit breaker;2) to prevent the pull and load isolation switch;3) to prevent the electrification (hanging) grounding switch (line);4) to prevent the ground wire (switch) with circuit breaker (isolation switch);5) to prevent straying into the charged interval.
As well as protection, control, measurement and other devices are assembled in a whole cabinet, there are a number of high-voltage switchgear in power plants, substations or power distribution equipment installed after the installation of the power plant is called a complete set of power distribution equipment.
The complete set of power distribution equipment is a complete set of equipment supplied by the manufacturer. The electric main circuit is divided into a plurality of units, each unit is a circuit, and the circuit breaker, the knife gate, the current transformer and the voltage transformer of each unit are connected
