How to withstand high temperature of permanent magnet motor?
Conventional design of drive controllers work in the ambient temperature is relatively stable conditions, and seldom consider the quality, volume and other indicators.
Tagged: Electrical Wire
What are the phenomena of motor winding turn-to-turn short circuits?
When a short-circuit in the winding occurs, the method should be screened according to the actual situation and the corresponding measures should be taken to deal with it.
Shanghai International Power Components, Renewable Energy Management Exhibition
Enameled wire products can be used in electric power equipment, we will participate in the electric power exhibition every year to visit customers and display products.
Shanghai International Electric Power Equipment and Technology Exhibition
Enameled wire products can be used in the power industry equipment, our company will participate in the power exhibition every year, visit customers and display products.
The role of motor winding dipping paint and common methods of dipping paint
After drying the winding dipping paint, do not use the wire brush to remove the paint film in the inner cavity of the iron core.
Motor overload causes and solutions
In the main circuit of the motor there is a thermal relay (overload protection), when the motor overload, thermal relay action, normally closed contacts cut off the control circuit, normally open contacts closed to connect the indicator, overload excluded, the thermal relay contacts there are two reset to make the circuit restart work: manual reset – need to press the reset button;
Motor winding wire technology progress and trends
Motor winding wire technology progress and trends, including three aspects, the first enameled wire development history, the second is the special application of enameled wire.
What is the appropriate slot fullness for motor windings? How much does it relate to temperature rise?
Enclosed low-voltage motor stator copper wire heat is first conducted to the teeth of the core, slot insulation thickness and thermal conductivity, slot insulation and copper wire and the core of the conductive thermal resistance between the winding temperature rise has a great impact.
What are the phenomena of motor winding turn-to-turn short circuits?
As a result of the short-circuit turns generated within the loop current, so that the coil heats up quickly, further damage to the insulation of neighboring wires, so that the number of turns of the short-circuit is increasing, the failure to expand.
Triple Winding Transformers
Triple winding transformers have 3 windings per phase, when 1 winding is connected to the AC power supply, the other 2 windings induce different potentials, this transformer is used for loads requiring 2 different voltage levels.