HYTVQC substation voltage dynamic reactive power compensation device

Short Description:

product description In recent years, with the popularization of computer application technology and the improvement of power technology level, some electric power departments and scientific research institutes have successively developed and developed automatic switching devices for 10 kV busbar compensation capacitors, that is, the main transformer of the substation The adjustment of the tap and the switching of the capacitor are considered comprehensively, which not only ensures the voltage qualification rate, but also ensures the maximum input of the capacitor.

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product model

Model Description

Technical Parameters

Features
●It can realize integrated automatic control of voltage and reactive power or individual automatic control function.
●Can automatically judge various operation modes of the substation
●Voltage adjustment function: It can display the information of the pressure adjustment gear through BCD code or one-to-one correspondence, and has the functions of synchronous adjustment and anti-slip gear.
●According to the harmonic content of the system or the customer’s requirements, configure a series reactor with an appropriate reactance rate to suppress the closing inrush current and the influence of harmonics on the operation of the capacitor.
●Protection function: equipped with a special microcomputer protection unit for capacitor banks, which can realize overvoltage, low voltage, two-stage overcurrent, zero-sequence voltage, differential current and other protections
●Automatic discharge: Each group is equipped with a discharge coil to ensure that the remaining voltage of the capacitor group drops below 50V within 5 seconds after the capacitor is powered off.
●Recording function: 50 pieces of running records and accident information can be recorded respectively.
●Statistics function: It can count the number of actions of voltage regulating taps and capacitor bank switches.
●Alarm function: It has alarm protection functions for disconnection, overvoltage, low voltage, main transformer overcurrent, transformer body and OLTC light gas alarm and protection.
●Communication function: It has RS232, 485, 422 communication interface to realize the communication with the central monitoring station and realize the “four remote” function.
●With “software electronic dog” and “hardware circuit fault protection circuit”, it has strong anti-interference ability.
● There are three installation forms: cabinet type, frame type and assembly type.

Other parameters

Features
control function.
●It can realize integrated automatic control of voltage and reactive power or individual automatic
●Can automatically judge various operation modes of the substation
●Voltage adjustment function: It can display the information of the pressure adjustment gear through BCD code or one-to-one correspondence, and has the functions of synchronous adjustment and anti-slip gear.
●According to the harmonic content of the system or the customer’s requirements, configure a series reactor with an appropriate reactance rate to suppress the closing inrush current and the influence of harmonics on the operation of the capacitor.
●Protection function: equipped with a special microcomputer protection unit for capacitor banks, which can realize overvoltage, low voltage, two-stage overcurrent, zero-sequence voltage, differential current and other protections
●Automatic discharge: Each group is equipped with a discharge coil to ensure that the remaining voltage of the capacitor group drops below 50V within 5 seconds after the capacitor is powered off.
●Recording function: 50 pieces of running records and accident information can be recorded respectively.
●Statistics function: It can count the number of actions of voltage regulating taps and capacitor bank switches.
●Alarm function: It has alarm protection functions for disconnection, overvoltage, low voltage, main transformer overcurrent, transformer body and OLTC light gas alarm and protection.
●Communication function: It has RS232, 485, 422 communication interface to realize the communication with the central monitoring station and realize the “four remote” function.
●With “software electronic dog” and “hardware circuit fault protection circuit”, it has strong anti-interference ability.
● There are three installation forms: cabinet type, frame type and assembly type.