Introduction To Electrical Fittings What Is A Short Circuit?

Energy power meter Introduction What is a short circuit?
The two ends of the power supply are directly connected by wires without passing through any electrical equipment. When a short circuit occurs in the circuit, a very large current will appear in the circuit, which is called a short-circuit current. The short-circuit current may increase to far beyond the allowable limit, causing the wire to heat up violently, and even ignite the wire, burn electrical equipment, and cause a fire.
What is voltage flicker? What are its hazards?
Voltage flicker refers to the voltage fluctuation with a fluctuation frequency greater than 0.01Hz caused by the impact power load of the power supply and distribution system.
Hazards: At the same time, it generates a wave, affects the motor torque and speed, affects the illumination and life of the lighting load, and affects people's vision.
What is the electricity fee penalty?
The additional amount charged to customers who fail to pay the electricity fee within the payment period agreed in the contract is called the electricity fee penalty.
In a three-phase four-wire line, how should the cross-sectional area of ​​the neutral line be selected?
In a three-phase four-wire line, the cross-sectional area of ​​the neutral line shall not be less than 50% of the cross-sectional area of ​​the phase line. For single-phase lines or lines with a single single-phase electrical equipment with a relatively large capacity, the cross-sectional area of ​​the neutral line should be the same as that of the phase line.