Sunday, March 19, 2006

Single to Three part 2

Let me help you with you're 3 phase problems.
I have contacts with a company that produce Phase Changers / converters to the highest standards and utilize unique microprocessor based controllers to provide quality Three Phase utility supply.
While your converter does provide a true 3 phase output, there are a few 'tricks' that you Must understand prior to connection.
Three Phase Converters are designed primarily for the connection of 3 phase machinery and other 3 phase loads. It is extremely important that you understand that two of the three phases are generated by the converter. The third phase is the original supply active which is used to power the converter. This phase goes straight through the converter and IS THE ONLY PHASE THAT HAS A 240v OUTPUT WHEN MEASURED TO NEUTRAL OR EARTH. THE OTHER TWO PHASES DO NOT HAVE A 240v REFERENCE TO EARTH OR NEUTRAL.
The two generated phases are L1 / Red output and L2 / White ouput.

L1 / Red output to earth or neutral will measure approximately 160v
L2 / White approximately 360v
L3 / Blue, output to earth or neutral will measure the original supply voltage 240v
For 99% of applications this is not a problem as phase to phase voltages of 415V +/- 5% between each of the three phases still exists.
What is important is that each machine connected to he converter is checked to the following guidelines. If not then the machines may not operate correctly, and in some circumstances damage the machine and the converter.
NEVER ATTEMPT TO INSTALL A PHASE-CHANGER POWER CONVERTER
WITH OUT A QUALIFIED AND LICENCED ELECTRICIAN
Please contact me for more help and advice www.wood-machine-advice.com
More to follow!

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