Maintenance Basics of Thermal Protection
May 31, 2021|
View:236Thermal protection impact charge and discharge voltage: the charge and discharge voltage of the overvoltage protector under the effect of standard shock wave. Current value: after the overvoltage protector is in action, there is a lightning product flow delay, the voltage of the overvoltage protector itself.
The overvoltage protection device is a new type of overvoltage protection equipment, which is mainly used in 35KV and below power supply systems. It is used to prevent lightning overvoltage, high-voltage circuit breaker operation overvoltage and various transient overvoltages that may occur in the power supply system. It can effectively protect the insulation of electrical equipment such as motors, transformers, switches, capacitors, cables, bus ducts, etc. from damage, and can play a reliable blocking role for both single-color and relative overvoltage. There are many types of integrated overvoltage protection devices, which gives us a lot of room for application selection, but at the same time makes us more cautious in choosing.
Thermal protectors can be called thermostats or temperature controllers or thermal overload protectors or temperature switches. Generally, thermal protectors are required to be integrated with motor structures and functions to form a thermal dynamic system. The motor, as a heating element, affects the heating and cooling speed of the protector. The stability and performance of the thermal protector require the protector to be installed in the motor for testing.
This specification applies to a single motor or a motor in a series of motors with a thermal protector. When using a thermal protector, be sure to firstThermal protectorWhether it is a self-resetting type or a non-self-resetting type, generally speaking, a self-resetting thermal protector can be used unless the motor is accidentally restarted and is likely to cause danger or damage to the user. Application examples that require a non-self-resetting protector include: gasoline and diesel motors, waste food collectors, conveyor belts, etc.
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