Low Voltage Intelligent Reactive Power Compensation Cabinet
GGJ Series Low Voltage Intelligent Reactive Power Compensation Cabinet (also known as RPC cabinet, or Auto Power Factor Improver Cabinet APFI, Automatic Power Factor Correction Cabinet APFC) adopts advanced power electronic technology and intelligent control technology, which can effectively improve the power factor of the electrical load, reduce line loss, improve the actual load capacity of the transformer, and have a significant energy-saving effect. At the same time, the use of specific reactors in the system can also help prevent harmonic amplification and effectively absorb most of the harmonic currents. On the one hand, the GGJ series effectively solves the problem of automatic switching of parallel capacitors under harmonic conditions; on the other hand, it can filter out harmonics according to the actual requirements of users, clean the grid environment, reduce losses, and eliminate harmonic harms, and provides capacitive reactive power to the system to improve the power factor. GGJ series is often used in power distribution systems in electric power, metallurgy, petrochemical, industrial and mining, construction, machinery and other industries. The GGJ series is especially suitable for power transmission and distribution systems with frequent changes in load and unstable reactive power.
How to order
● With voltage zero-crossing point switching compensation, no inrush current, no impact, can realize frequent and fast switching of capacitors;
● Fast response speed, fast tracking the reactive power changes of the system load, and real-time dynamic or static response switching;
● Using capacitor automatic/manual switching device, which can be operated frequently to improve compensation fineness;
● The top of the cabinet is equipped with a cooling fan, which is controlled by a temperature control switch to adjust the temperature in the cabinet timely;
● With short-circuit, overload, over-voltage, under-voltage, and phase loss protection function, which is easy to set up;
● Compatible with cabinets of other brands, such as MNG, GCK, GGD;
● With Y-type compensation method, A-type compensation method, Y+A combined compensation method;
● With RS-232/485 communication interface, wireless data transmission module or GPRS module for long-distance communication;
● In the maintenance-free state, the service life can reach more than 100,000 hours.
● Altitude: ≤2000m;
● Ambient temperature: -25℃~+50℃;
● Relative humidity: ≤90%, at 20℃;
● Installation site: no severe impact, no serious pollution and chemical corrosion, no conductive dust or explosion hazard. And the vertical inclination of the circuit breaker cannot exceed 5°.
Table 1: main parameters
Table 2: motor local compensation calculation
Table 3: recommended optional configuration
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