Ruitong Low Voltage Active Power Filter APF Device Harmonic Control Installation

Main technical features:

-- Three-level topology is adopted to effectively reduce the ripple current and improve the quality of the output waveform;

uInfrared high-integration three-level IGBT module from Infineon, Germany, with low voltage stress, high reliability, reduced conduction loss and switching loss;

-- Using TI's TMS320F28377D series DSP chip, with dual-core 32-bit CPU, high control precision, fast speed, multiple 16-bit ADC, high sampling accuracy;

-- Using a magnetic loop reactor, it has the characteristics of small size, light weight, low temperature rise and low noise;

--  High-performance Hall current sensor and Hall voltage sensor with high sampling accuracy;

 Modular design for easy installation and capacity expansion;

-- has a variety of compensation modes: harmonic control priority, reactive power compensation priority, active imbalance adjustment priority and other adjustment modes;

--  Filtering capacity 2 to 50 times, harmonic filtering rate is greater than 97%;

-- The corresponding time is less than 10ms, the control is fast, and the transient stability is improved; Complete protection function for busbar overvoltage, undervoltage, lack of external electrical faults and internal faults such as IGBT overheating and overcurrent;

--  It has two structure modes: rack-mounted and wall-mounted, which is convenient for installation.

--The production and inspection procedures are complete. All products undergo 12-step production process, 4 inspection procedures and 72-hour aging test.

The main technical parameters:

The main technical parameters of the active power filter device module (RT-APF) are as follows:

Rated capacity 50A 100A 150A

Rated voltage AC380V±15%/690V±15%

Electrical wiring three-phase three-wire, three-phase four-wire

Rated operating frequency 50Hz ± 5%

Filter range 2-50 times

Filtering capacity ≥ 97%

Machine efficiency ≥ 97%

Automatic current limiting function

Intelligent protection Power-on self-test, overcurrent protection, DC voltage protection, overheat protection, system undervoltage and overvoltage protection, etc.

Number of parallel units up to 10 units

Switching frequency 15K-20kHz

Full response time ≤ 10ms

Controller DSP (Dual Core) + FPGA

Display mode

Communication protocol Modbus protocol

Protection level IP30 (other levels can be customized)

Air cooling method

Noise ≤65dB

Installation method Rack type, wall mounted

Ambient temperature -5 ° C ~ +40 ° C, and the average temperature within 24 h is not higher than +35 ° C.

Relative humidity 15%～90% when the room temperature is below +20°C, non-condensing, no more than 50% at +40°C

Altitude less than 1500 meters

(Between 1500 and 4000 meters, according to the national standard GB/T3859.2, for every 100 meters increase, the power is reduced by 1%)

Dimensions Width × Depth × Height 440 * 660 * 222 mm (special size can be customized)

The active power filter device cabinet is mainly composed of active power filter device module and incoming switch and other supporting components. It is suitable for 800*800*2200, 1000*1000*2200 and other conventional cabinets. The single-sided cabinet can be installed up to 4 Active power filter device module, which constitutes a 400A cabinet type APF.