GGD low-voltage switchgear can reduce our security risks, and it is more convenient to use. We also know a lot about high-voltage switchgear, because it has its own uses, so we should explore it and see its defense ability.
1, to prevent the load points, isolating switch. (The disconnector cannot be operated when the circuit breaker, load switch and contactor are closed.
2, to prevent the wrong points, wrong circuit breaker, load switch, contactor. (Only when the operation instruction corresponds to the operating equipment can the operated equipment be operated.
3, to prevent the grounding switch in the closed position closed circuit breaker, load switch. (Only when the grounding switch is in the off-brake state can the disconnector or handcart be closed to the working position, and the road breaker and load-sharing switch can be operated to close.
4, to prevent straying into the charged room. (Only when the compartment is not charged can you open the door and enter the compartment.
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The box of GGD low-voltage switchgear adopts essential stainless steel as far as possible, which is not easy to rust and has thermal reflection effect. If the coating with thermal insulation function can be sprayed on schedule to reduce thermal radiation, the effect will be more ideal. Avoid long-term operation of equipment in high temperature season, and reduce the heat released by equipment in high and low pressure complete sets of equipment as much as possible.
Whether the names, signs and numbers of electrical components in high and low voltage switchgear are clear and correct, whether the operating handles, keys and keys on the panel are consistent with the actual situation on site, whether they are firm and whether they can be operated flexibly. It refers to the monitoring and protection of the power system (including power plants, transmission and distribution lines and industrial and mining enterprises). It can put a part or a line of equipment or lines into or out of operation according to the operation requirements of the power grid, or cut it off quickly when the equipment or lines fail, so as to ensure the normal operation of the fault-free parts of the power grid and ensure the personal safety of equipment and operators.
