METHOD FOR CONTROLLING THE POWER SUPPLY TO ELECTRODES OF AN COALESCER |
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| 申请号 | PCT/EP2019/059368 | 申请日 | 2019-04-12 | 公开(公告)号 | WO2019211077A1 | 公开(公告)日 | 2019-11-07 |
| 申请人 | NOV PROCESS & FLOW TECHNOLOGIES AS; | 发明人 | HAUGS, Espen; | ||||
| 摘要 | The present invention relates to a method of controlling an AC power supply system (PS) supplying an AC output voltage (Uec) to electrodes of an electrostatic coalescer (EC). The method comprising the steps of: - measuring a parameter representative of an output current (Iec) of the power supply system (PS); - measuring a parameter representative of the output voltage (Uec) of the power supply system (PS); - identify a phase difference (ϕ) between the output current (Iec) and the output voltage (Uec); - controlling the power supply system (PS) to keep the phase difference (ϕ) in a predetermined range (R) from a minimum phase difference (ϕmin) to a maximum phase difference (ϕmax). The present invention also relates to a power supply system (PS) for supplying an AC output voltage (Uec) to electrodes of an electrostatic coalescer (EC). | ||||||
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