TBBW Intelligent compensation device for low voltage reactive power

Main purpose and scope of application The
TBBW low-voltage reactive power intelligent compensation device adopts computer-aided design (CAD), introduces microcomputer control, and implements intelligent tracking compensation for reactive power. It has a reasonable structure and advanced technology. It is widely used in low-voltage power grids to increase power. Factors that reduce reactive power loss and improve power supply quality are a new generation of power-saving products.
This product complies with the industry standard GB/T15576-2008 (our company is the main drafting unit of this standard).

Model and meaning

Working conditions
1. Altitude: ≤2000m;
2. Ambient temperature: -20℃~+45℃;
3. Relative humidity: ≤90% (20℃);
4. Installation environment: no corrosive and destructive insulation harmful The presence of gas and steam, no conductive or explosive dust, no strong vibration and shock, and no serious mold.

Main technical parameters
1. Rated voltage: 0.38-0.75kV;
2. Rated frequency: 50Hz;
3. Rated capacity: 1-600kvar;
4. Applicable voltage range: (0.85-1.1) times the rated voltage;
5. Maximum allowable current: 1.3 times the rated current;
6. Control circuit: 1-16 circuits;
7. Switching time: 1-150s/time, adjustable;
8. Working mode: automatic, continuous operation.

Product features
1. It adopts intelligent controller control, complete functions, reliable performance, automatic compensation; can increase the power factor to above 0.9;
2. Real-time display of power factor of the grid, display range: lag (0.00-+0.99), lead ( 0.00--0.99);
3. It has multiple comprehensive protection functions such as over-voltage, over-harmonic, over-compensation, system failure, phase loss, overload, etc.;
4. Memorizes the parameters that have been set, and the parameters will not be lost after the system ispoweredoff. After the power grid returns to normal, it automatically enters the running state without personnel on duty;
5. Phase compensation or mixed compensation can be adopted according to the load balance of the power grid;
6. Strong anti-interference ability, capable of resisting the interference of 2000V input directly from the power grid Pulse, higher than the national professional standards.

Power distribution network monitoring function
1. Real-time measurement and whole-point recording of the three-phase voltage, current, frequency, active power, reactive power, power factor, active power, and reactive power on the low-voltage side of the transformer; total voltage and current distortion rate And 2-25th harmonic content;
2. With RS-232 and RS-485 interfaces, it can record data from handheld computers, and can also realize wireless meter reading, device testing, parameter setting and real-time measurement data and record through remote communication function. Data reading;
3. Data analysis function: it can analyze and process the operating load data, statistically query; comprehensively analyze the power supply quality, calculate the voltage qualification rate, power supply load rate, reliability rate and maximum load rate; query power factor, Active power and reactive power; draw curves of each phase voltage, current, power factor, etc.; print comprehensive analysis and statistical reports.

Outdoor installation method

Ordering instructions
1. Determine the rated capacity of the transformer, the rated voltage of the secondary side, and the transformation ratio of the secondary side current transformer;
2. Determine the reactive load condition and the natural power factor of the received power, the total operating current and the fluctuation range of the compensated system and equipment ; Load characteristic is impact load, fluctuating load or normal steady-state load;
3. Device model, type, total capacity;
4. Device is outdoor box type, material used: plain steel/stainless steel and box color;
5. Device It is an indoor cabinet type and the color of the device; if it needs to be combined with other power distribution cabinets, the model and assembly method of the other power distribution cabinets must be explained;
6. Outdoor pole installation, single pole installation or double pole installation.