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  1. JeffWong

    Would like you to provide some fundamental knowledge on HVACR

    Dear All, I am a primary learner on HVACR field, I hope to learn it from the foundation, therefore, please send some useful website or information for me to learn! Thank you very much! Best Regards, Jeff
  2. JeffWong

    Energy Saver for AC fixed speed induction motors

    Dear All, I would like to get some informations about energy saver for AC induction motor. Do anyone have such kind of informations? Thank you!!
  3. JeffWong

    Difference kWh value when measured at main DB and near a motor

    Dear All, Thank you for all of you! I confirm it, the unreasonable data is not due to the error on meter or due to wrong methods to measure it. Moreover, I have also tried to use different meters or just exchange the meters which near the main DB and near the motors. Hope you can provide more...
  4. JeffWong

    Difference kWh value when measured at main DB and near a motor

    Dear All, I have a problems on measuring the kWh consumption of a 3 phase motor with full load ampere of 5A since I measured difference kWh value with a Fluke 41B meter when I measure the reading at the main Distribution Board and near the motor. The setup is as follows: The main...

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