Intelligent follow-up electric energy correcting device and indicating analysis method

Abstract

The invention discloses an intelligent follow-up electric energy correcting device. The intelligent follow-up electric energy correcting device structurally comprises a PLC control unit, a DSP processing unit, a servo system, an output end transmitter, an input end transmitter, an internal transmitter, a current transformer, a voltage transformer, a motor, an automatic coupling voltage regulator and an intensive intelligent capacitor, wherein the PLC control unit is connected with the output end transmitter, the input end transmitter, the internal transmitter, the DSP processing unit and the servo system, the current transformer and the voltage transformer are connected to the internal transmitter, the output end of the servo system is connected to the input end of the motor, the motor is connected with and drives the automatic coupling voltage regulator, and the automatic coupling voltage regulator is connected to the intensive intelligent capacitor. The invention further provides an indicating analysis method based on the intelligent follow-up electric energy correcting device. The method comprises the steps that according to an intelligent load cycle curve, changes of the inductive reactive power of a power grid are automatically tracked, the follow-up equivalent value of capacitive reactive power needing to be input to meet the specific control physical quantity is initiatively predicted, a control simulation curve is automatically generated, the loaded automatic coupling voltage regulator is controlled according to simulation data, the terminal voltage of a compensating capacitor is regulated, and thus an intelligent compensating power curve matched with the load cycle curve is obtained.

Description

technical field [0001] The invention belongs to the technical field of electric power system smart grid, specifically relates to an intelligent follow-up electric energy rectification device based on power electronic technology, and provides a display power analysis method based on the device. Background technique [0002] During the trough period of international energy commodity prices, global energy production and export enterprises are carrying out optimization and transformation, improving production technology, reducing production consumption, and continuously improving the level of intelligent management of power grid systems. [0003] However, in the current distribution network business, integrated energy business, and power quality management and energy-saving business processes, reactive power compensation devices (such as: TSC, SVG, APF, and SVC, etc.) used for monitoring and optimizing power quality are generally used. adverse reactions, and the production cost ...

AI Technical Summary

Problems solved by technology

[0008] In view of this, in order to solve the general adverse reactions of current switching-type reactive power compensation devices during use, the present invention aims to provide a method for periodic loads, regular loads, and process loads (such as elevators, pumping units, Water pumps, air conditioners, extruders, wharf cranes, machine tools, assembly lines, etc.) to monitor the power quality (frequency, voltage, current, balance, force rate, harmonics), and based on this to establish models, simulation corrections and implementation The corrected intelligent electrical device, and provides a power indicator analysis method based on the device, making it especially suitable for indoor and outdoor places with high oil gas and heavy gas concentrations in oil production areas, and correcting low voltage and low force at the end of the distribution network below 10KV Power quality problems such as high rate, high line loss, serious three-phase imbalance and excessive harmonics, reduce power supply costs, realize economical operation of transmission and distribution and efficient management of oil production operations, and avoid mechanical and electrical switch contacts caused by fire and burnt fire and safety hazards, and can also be applied to improve the economic operability of other distribution networks

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