Why is the light bulb dark during peak hours? (assuming the power supply voltage is constant, is it related to resistance?)

Why is the light bulb dark during peak hours? (assuming the power supply voltage is constant, is it related to resistance?)

The conductor has resistance. The current is very high at the peak of power consumption, the voltage on the conductor increases and the voltage on the consumer decreases

Why is the voltage low in peak hours and high in low peak hours?

According to the principle of power transmission and supply, there are more circuits at the voltage ends of the original power supply in the peak period of power consumption, so the load at the output end is reduced (parallel principle), which reduces the ability of transformer to obtain voltage, so the voltage is the active variable and the current is passive

Why does the voltage decrease in peak hours?

Due to the resistance of the transmission line itself, more consumers are connected during the peak of power consumption, the total resistance in the circuit decreases, the trunk current increases, the voltage loss on the transmission line increases, and the voltage obtained by the users decreases