Regarding the lead of the motor, not only is related to the rated voltage of the motor, the rotor opening voltage of the winding rotor motor, but also with the current carrying the motor, the actual use of the motor is directly related. The selection of lead specifications first is determined based on the voltage resistance value. Regarding the lead of the motor, not only is related to the rated voltage of the motor, the rotor opening voltage of the winding rotor motor, but also with the current carrying the motor, the actual use of the motor is directly related.
The selection of lead specifications first is determined based on the voltage resistance value. The cable has a voltage range. This regulation must be followed when you choose.
The following cable fault tester supplies manufacturers should take everyone to go deep into the cable. The lead wire corresponding to the voltage level is selected according to the voltage of the motor. The voltage level of the lead is not lower than the rated voltage value of the motor winding.
For example, the 10 kV and 380 volts of the high voltage motor, the voltage value of the cable is very different. In addition, the cable of the motor lead except for voltage and current requirements, the insulation level is also important, according to the insulation level of the B-stage and H-level, the insulation of the motor is different, the material of the insulating material is also different, and the level B must be paid attention to The wires used in the H-stage insulated motor, the damage of leads and the possibility of pair failure. Cable fault tester supply manufacturer interprets the provisions of motor leads in national standards: 1. Determine its necessity as needed.
Standard, if the motor has a power cord, or to facilitate connection to other devices, a plug is connected to the power line outside of the motor, the cord and plug should comply with the relevant standards of the product. Or comply with the relevant standards of this class equipment. In particular, a small motor can be connected to the device or wiring board with a wiring line, but a motor that must be related to the insulation is required, and the soft line must be used to increase the settling head. These cords must have a ground conductor unless there is no need to ground.
Lead (including the end) requires different colors and tags. Most motor manufacturers use tricolor leads to three-phase motors, some motor manufacturers use tags to distinguish them. However, for ground lines, they are used in accordance with standards.
2, voltage and current requirements. Standard, the rated voltage of the guided flexible cable must be at least equal to at least equal to at least equal to the load current of the same coefficient or 125% full load rated current, takes a large current. The soft line is insulated to withstand the working frequency of the circuit.
3, the maintenance requirements of the lead. In addition, there is also an eliminating measure that may be pulled, or guided the soft cable (power supply cord) does not reveal the motor, the insulated protective layer and clamping device are provided in the leading cable of the soft cable to prevent external tension from passing into the internal wiring. To prevent the rotation and displacement of the soft cable cause an accident. 4, restrictions and insulation requirements.
In addition to other protection measures, the soft cable should be prevented from introducing inside the motor. The clamping apparatus for clamping and fixing the soft cable is made of an insulating material, made of metal material, and an insulating liner is required. The above is some cable knowledge that the cable fault tester supply manufacturers give you some cable knowledge, hoping to bring a certain help to those in need.
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