3-STAGE ALTERNATOR IS DESIGNED TO
CONTROL THE MOTOR STARTERS IN A STAGE PUMPING OR
COMPRESSOR SYSTEM. ITS PURPOSE IS TO ENSURE THAT ONLY
THE REQUIRED MOTORS ARE USED, AND THAT EACH MOTOR
RECEIVES THE SAME AVERAGE AMOUNT OF RUN TIME. MOTORS
ARE SEQUENCED IN A FIRST ON-FIRST OFF CYCLE.
The impact of the 4D printer on the international market
The most obvious advantage of 4D printing is that objects larger than printers can be printed as just one part. Because they can shrink and unfold, items that are too large to fit in a printer can be compressed and then become full size.
