Difference Between Contact Chatter & Contact Bounce

Contact bounce is the uncontrolled opening and closing of the contacts due to forces within the relay (internal forces), whereas contact chatter is the uncontrolled opening and closing of contacts due to external forces.

如何识别和更换发生故障的交流电容器

虽然电容器发生故障很容易进行直观识别，但电容器降额则需要通过空调表现出的某些症状来发现。

A Guide to Understanding the Five Transformer Types

A transformer is a passive electrical device designed to change one AC voltage to another by magnetic induction.

An Introduction to Relay Terminology

From everyday applications such as refrigerators and garage doors, to signaling and protecting electrical power systems, relays are in use every second of every day.

Capacitors: Understanding How They Work

Capacitors are attached to motors and constructed to release electrical power in different methods. The energy can either be released instantly to start the motor, or released over a period of time to keep it running.