Title: User side powergrid environmental-protection electricity-saving device
Application Number: 200610016026 Application Date: 2006.09.28
Publication Number: 1937348 Publication Date: 2007.03.28
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H02J3/01;H02J3/26;G05F1/20;H02H9/00
Applicant(s) Name: Weiyi Science-Technology Co., Ltd., Tianjin Address:
Inventor(s) Name:
Attorney & Agent: madun fang
Abstract:
    The power saving device includes shell body, and following devices inside the shell body: saving device of balancing amplitudes and phases of three phase voltage (SDBAP), voltage transmitter, programmable controller PLC, digital drive module, electromagnetic voltage regulating device (EVRD), and passive filter. The input ends of the voltage transmitter are connected to three-phase AC supply, and the output ends are connected to input ends of PLC. Output ends of PLC are connected to digital drive module. Output ends of the digital drive module are connected to the EVRD and the SDBAP respectively. Input ends of the EVRD are connected to three phases AC supply. Output ends of the SDBAP are connected to the passive filter. Advantages are: outputting suitable voltages to loads, not producing harmonic wave, reducing degree of unbalance and loss, possessing both automatic and manual adjustment functions, and 8%-45% electrical efficiency.
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