Energy Edge Solutions

Electronically Commutated Motors

Electronically commutated motors, or ECMs, are the latest answer to the significant amount of electricity needed to power fans in refrigeration systems. These brushless motors use built-in inverters and permanent magnet rotors to drastically improve efficiency: They are 65% to 72% efficient, compared with the 12% to 45% efficiency range for commonly-used permanent-split capacitor, or PSC, motors with SCR.

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