When wiring, use the “three-phase, four-wire” standard, meaning three live wires and one neutral wire.
When the voltage of the three live wires is 380 volts, use a live wire to match the neutral wire. Most electrical devices are currently connected this way. If the three-phase alternating voltage is 380 volts, three elements of identical impedance should be used, which must first be connected in a star, then diagonally. A three-phase voltage imbalance will induce an increase in reverse torque in the motor, resulting in increased motor temperature, lower efficiency, increased power consumption, vibration, loss of output and other effects.
The imbalance between phases will reduce the life of electrical equipment, accelerate the frequency of replacement of equipment parts and increase the costequipment maintenance. Cross-switching and other methods should be used to reasonably distribute the asymmetric load on each phase and try to balance it. In the daily work of electricians, three-phase electricity sometimes needs to be converted into two-phase electricity to meet production needs. So, what is the method to convert three-phase electricity into two-phase electricity? transform electricity into two-phase electricity, let's find out together. Three-phase alternating current is a form of electrical energy transmission, called three-phase energy. Three-phase AC power is a power supply consisting of three AC potentials with the same frequency, amplitude and phase differences of 120° from each other.
Three-phase alternating current has many uses. Most AC electrical equipment in industry, such as motors, usessenses three-phase alternating current, which is the oft-mentioned three-phase four-wire system. In daily life, single-phase power supply, also called lighting power, is mainly used. When lighting electricity is used for power supply, one phase of the three-phase power supply is used to power electrical equipment, such as household appliances, and the other wire is the fourth wire of the three-phase four-wire system. wire, which is the neutral wire. The neutral line is drawn from the neutral point of three-phase electricity.
Low voltage will cause this problem. The problem of powering the water pump with the working voltage of the water pump will be solved.
Low voltage will cause this problem and the problem will be solved by powering the water pump with the water pump's operating voltage.
It hums when running, but cannot pump water. It isbecause you have not put the whole body into the rising water and sealed it properly, or there is a problem with the impeller of the submersible pump. . If the positive and negative poles of the submersible pump are connected to the power supply, they will be reversed.
The turbine may be blocked and cannot be turned on for a long time, otherwise the motor will burn out. Take it out of the water and try to run it without load, or spin the turbine with it. your hand to see if the impeller is not moving and if there is anything wrong with the appearance. The bearing may be stuck and need to be replaced.
Maybe your water pump rotor shaft is broken or the water blade is stuck. Just remove it and reinstall it.