The GGJ low-voltage reactive power compensation device is a new product designed and developed by Chongqing Transformer Co., Ltd. according to market needs. The product is widely used in electric fields such as machinery, metallurgy, chemical, power, petrochemicals,automobiles, shipbuilding, construction, communication, hospitals, airports, etc. It uses parallel capacitors to compensate without power the inductive load of asynchronous motors that operate continuously.
Technical parameters
- 1) Rated working voltage (ue): AC380V, rated frequency 50Hz
- 2) Rated insulation voltage (Ui): AC660V
- 3) Over-voltage category:lV
- 4) Material group: Insulation material level Illa
- 5) Pollution level: Level 3
- 6) Rated compensation capacity ≤360kVar
- 7) Rated reactive current: ≤494A
- 8) Rated current and breaking capacity of the main switch: 1,000A/15kA
- 9) Compensation method: three-phase compensation, a combination of three-phase compensation and single-phase compensation
- 10) Controller: It adopts power factor and reactive power to comprehensively control the switching of capacitor banks. It has the advantages of over-voltage protection, self-locking of switching time interval, strong anti-interference ability, stable and reliable operation, no switching oscillation, and has both manual and automatic control modes
- 11) Automatic switching delay time: continuously adjustable between 2s-120s
- 12) Protection level of the shell: IP30
- 13) Number of circuits: configured according to customer needs
- 14) Short-time withstand current: 15kA
- 15) Types of components that control switching capacitors: electromechanical switches (e.g.contactors) switching semiconductor electronic switches (e.g. composite switches) switching
