Question

НАСОС ПОДНИМАЕТ 18 КГ ВОДЫ С ГЛУБИНЫ 22М ЗА 4 С. ОПРЕДЕЛИТЕ НАПРЯЖЕНИЕ В СЕТИ, ОТ КОТРОЙ ЗАПИТАН ДВИГАТЕЛЬ НАСОСА, ЕСЛИ СИЛА ТОКА В ОБМОТКЕ ДВИГАТЕЛЯ РАВНА 6 А. КРД ДВИГАТЕЛЯ 75% (ОЧЕНЬ СРОЧНО) ПОМОГИТЕ

Answer 1

Вот держи!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 2

Calculation of Voltage in the Pump Motor Circuit

To determine the voltage in the circuit powering the pump motor, we need to consider the weight of the water lifted, the depth from which it is lifted, the time taken to lift it, the current flowing through the motor winding, and the motor's power factor.

Given: - Weight of water lifted: 18 kg - Depth from which it is lifted: 22 m - Time taken to lift: 4 s - Current in the motor winding: 6 A - Motor power factor: 75%

To calculate the voltage in the circuit, we can use the formula:

Power (P) = Voltage (V) x Current (I) x Power Factor (PF)

The power can be calculated using the formula:

Power (P) = Work Done / Time

The work done can be calculated using the formula:

Work Done = Weight x Depth

Let's calculate the voltage step by step:

1. Calculate the work done: - Work Done = Weight x Depth - Work Done = 18 kg x 22 m - Work Done = 396 kg·m

2. Calculate the power: - Power (P) = Work Done / Time - Power (P) = 396 kg·m / 4 s - Power (P) = 99 W

3. Calculate the voltage: - Voltage (V) = Power (P) / (Current (I) x Power Factor (PF)) - Voltage (V) = 99 W / (6 A x 0.75) - Voltage (V) = 22 V

Therefore, the voltage in the circuit supplying the pump motor is 22 V.

Please note that the above calculation assumes ideal conditions and does not take into account losses in the motor or other factors that may affect the actual voltage required.