Static Eliminator
Causes of Static Electricity
The three most common causes of static electricity are friction, contact and separation. Static electricity is all around us in everyday life, e.g. winding of plastic film, electric shock of car door handle, it would be too numerous to enumerate.
Electrostatic induction is also a factor that can generate static electricity, this is why insulating materials exhibit the electrical attraction after being placed into electric field. Temperature changing can also affect the static electricity, a typical example is that a static charge will be generated when injection mold is cooled down.
AC Static Elimination
By using a special transformer, the alternating current of 110V/220V, 50/60Hz can be generally increased to 7KV. This high voltage is transferred to the static eliminator through a shielded HV cable, and an array of emitter pins connecting to the static eliminator are stressed by the elevated voltage, resulting in creating a high energy "corona" or "ion cloud", where a large number of positive and negative ions are generated. Whenever the AC cycle changes, approximately equal amount of positive and negative ions are produced. The statically charged surface near the ion cloud will be rapidly neutralized.
