P O W E R E L E C T R O N I C S T E C H N O L O G Y
TECHNOLOGY
Inverter Technology | 2/8 | |||
What is |
|
|
|
|
Inverter Technology |
|
| ||
|
|
|
|
|
Inverter Technology?
of 50 or 60 Hz. Some of the advantages an inverter has are smaller magnetic components (chokes and transformers), higher efficiency, and a fast response to the welding arc.
The Invertec®
Inverter Technology is
showcased in Lincoln’s The Power Wave® 455M/STT Invertec®
Power Wave® welding systems
Inverter power sources were first introduced into the welding industry in the early 1980s. The initial attraction of the inverter was its small size and easy portability. For example, a
The Power Wave® 355M
the inverter increased, the capabilities were expanded. Inverters are now designed for many different processes: SMAW, GTAW, FCAW, SAW, and are capable of operating in
The Power Wave® AC/DC 1000™
extreme environments. Over the last decade, Lincoln Electric has invested heavily in developing inverter technology, producing highly reliable inverter machines.
How | The DC power is inverted into | The current is “smoothed” |
using semiconductor switches above 20 kHz. | ||
Inverter Works | switching improves welding. Switching above 20 kHz | by a rectifying and |
| improves efficiency, reduces weight, and is above the | filtering circuit to make it |
| maximum frequency people can hear. Digital controls | suitable for welding. |
| dictate the switching rate of the transistors. |
|
Incoming 50 to 60 Hz alternating
current (AC) is converted
to direct current (DC) by a full
wave rectifier.
The
requires a
transformer. The transformer
takes high voltage, high
frequency AC and converts it to low voltage, high frequency AC.
T h e | f u t u r e | o f | w e l d i n g | i s | h e r e . ® |
|
|
|
|
|
|