Low-voltage intelligent voltage-regulating and voltage-stabilizing system

Abstract

The invention discloses a low-voltage intelligent voltage-regulating and voltage-stabilizing system. The low-voltage intelligent voltage-regulating and voltage-stabilizing system comprises a single-phase intelligent voltage regulator. The low-voltage intelligent voltage-regulating and voltage-stabilizing system is characterized in that the single-phase intelligent voltage regulator comprises an intelligent control switching unit, a power capacitor and a single-tap isolation transformer, the intelligent control switching unit comprises a main control MCU, a single phase alternating current voltage and current acquisition module, a switch action unit and a wireless communication module; the single phase alternating current voltage and current acquisition module, the wireless communication module, a power module and the switch action unit are respectively connected with the main control MCU; the switch action unit is formed by assembling one single-pole double-throw interlocking alternating current contactor, one single-pole single-throw common type alternating current contactor, relays and spare relays, and each relay is connected with one spare relay in series and then is connected with one single-pole double-throw interlocking alternating current contactor and one single-pole single-throw common type alternating current contactor in parallel; and the wireless communication module comprises a GPRS wireless communication module and a WIFI wireless communication module. The low-voltage intelligent voltage-regulating and voltage-stabilizing system can realize automatic holding of stable output voltage of a user side.

Description

technical field [0001] The invention relates to the technical field of low-voltage power supply, in particular to a low-voltage intelligent voltage regulation and stabilization system. Background technique [0002] In the field of rural distribution network power supply technology, there are often low voltages at the end of the line in the station area. Usually, the voltage at the end of the line is lower than the qualified voltage of 198V. Dead angle", what measures to take to solve the current low voltage problem is imminent. [0003] At present, there are some low-voltage boosting devices for low-voltage control and improvement of power supply quality, but there are still deficiencies in actual operation. Compared with some existing low-voltage lifting devices, a low-voltage intelligent voltage regulation and stabilization system of the present invention has certain technical advantages, as follows: [0004] The present invention is compared with patent CN103606927A: ...

AI Technical Summary

Problems solved by technology

The intelligent control method is adopted to realize the automatic maintenance of the output voltage at the user end, which can be within the qualified voltage range of -10%~+7%, which can effectively solve the problem of low voltage at the end caused by the too long power supply radius of the station area, and can also solve the problem of The problem of voltage fluctuation caused by seasonal and periodic centralized power consumption improves the voltage quality of the station area and ensures the reliable power consumption of residential users

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