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Three-phase load unbalance comprehensive treatment device

Fully protect the operation safety of transformers and distribution lines and extend the service life of systemHigh adaptability, high intelligent monitoring, good controllability and simple installation

The TYSEN KLD-AMS-ZS series of three-phase load unbalance comprehensive control device is a high-tech product integrating power electronics technology, modern control technology and wireless communication technology, and combining static var generator (SVG), can quickly absorb or emit the required power, dynamically adjust the power quality of distribution network, and achieve functions of balanced three-phase load current, voltage adjustment, reactive power compensation and harmonic control, it is the best solution for rural power distribution in various working conditions in different situations.

Main function

(1) Three-phase unbalance treatment

After the KLD-AMS-ZS series three-phase load unbalance comprehensive treatment device is turned on, the current of rural power distribution system is detected by an external current transformer (CT), and the system current information is sent to the internal DSP for processing and analysis to judge if the system is in an unbalanced state, and calculate the current value of each phase to be converted when the equilibrium state is reached, then send the signal to IGBT with an internal speed of up to 20kHz and drive its action, and finally reach the three-phase balanced current status from the three-phase equilibrium.

(2) Voltage support

KLD-AMS-ZS series three-phase load unbalance comprehensive treatment device samples the voltages of rural power distribution system and transmits the information to the internal DSP for processing and analysis to determine whether the voltage of the distribution system exceeds the set value. When the voltage exceeds When the upper limit voltage (Umax) is applied, the device outputs an inductive current and reduces the voltage. When the voltage is lower than the lower limit of voltage regulation (Umin), the device outputs capacitive current and increases voltage. Finally, the phase voltages are stabilized within the normal range.

Main function

(3) Var compensation

After the KLD-AMS-ZS series three-phase load unbalance comprehensive treatment device is turned on, the current of rural power distribution system is detected in real-time by an external current transformer (CT), and the information is sent to the internal DSP for processing and analysis to determine the reactive demand of the load, and then send control signal to the internal IGBT according to the preset setting value, so that the inverter generates reactive power compensation current that meets the requirements, and ultimately realizes the purpose of dynamic reactive power compensation.

(4) Harmonic Control

The KLD-AMS-ZS series three-phase load unbalance comprehensive treatment device monitors and tracks the harmonic current in the distribution network of rural network in real time, and quickly generates the currents of opposite magnitude and opposite direction through the power generation module to offset the harmonics, thereby eliminating harmonics and avoiding distortion of distribution system waveform.

Main application

The KLD-AMS-ZS series three-phase load unbalance comprehensive treatment device can monitor the current imbalance in the power distribution of rural power grid in real time and quickly adjust the imbalance of three-phase current.
Fully protect the operation safety of transformers and distribution lines and extend the service life of system High adaptability, high intelligent monitoring, good controllability and simple installation.

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