Static Var Generator

SVG series ofdynamic compensation device of Bronze Technologies Ltd.is thestatic var generator with the core of IGBT device (SVG, Static Var Generator). SVG is one of the main devices for power quality control of distribution network. It can quickly compensate the reactive current generated by the load and improve the power factor of the system. It also has the function of harmonic control in the compensation range to effectively improve the power quality and ensure the power’s stability, high efficiency, high-quality operation.


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標簽模塊
Features
Parameters

? Parallel connection, easy maintenance;

? Dual DSP + FPGA full digital control system;

? Intelligent compensation for reactive load generated by the reactive component, continuously adjustable in -1 ~ 1 power factor;

? A certain harmonic compensation capability;

? perfect protection system to ensure system security;

? A settable output limitof capacity that will not cause an overload problem;

? Modular structure, multiple parallel operation, simple control, the largest single cabinet and machine capacity up to 600kvar;

? Friendly Chinese man-machine interface, simple operation;

? Fault display and fault record;

? State variable display: voltage, current, frequency, current sequence components, including active current, reactive current, negative sequence current, zero sequence current, power factor, harmonic display.



Electrical

specification

Nominal

voltage(V)

400V±20%

Operating  

frequency(Hz)

50±0.5%

Electrical  

connection

Three-phase three-wire / three-phase  four-wire

Three-phase three-wire / three-phase  four-wire

Power  topology

Three-level (IGBT)

Two-level (IGBT or SiC)

Filter  rating

current  valid

values(A)

60kvar 100kvar

30kvar 60kvar  100kvar

CT

requirements

150/5-10000/5

Compensation  

range

The capacitive sensitivity is  continuous adjustable

Filter  capacity

>90%fully load

Reactive  

compensation

Built-in harmonic compensation,  reactive compensation, unbalanced compensation and other functions, the user  can setup on their own

response  time

<10ms

Overall

efficiency

<2%,Rated power operation

Multiple  parallel operation

A group of CT, parallel operation, a  single cabinet and the largest number of 6 sets of machines

controlled  

characteristic

Switching  frequency(Hz)

20kHz

12.8kHz(SiC up to 50kHz)

Control

algorithm

FFT, instantaneous reactive power,  symmetrical

components, direct current control

Controller

Double DSP+FPGA

Communication  function

Modbus communication protocol to  support on-site monitoring and remote computer monitoring at the same time

(RS485), can expand the CAN bus and  network communication interface

Structural  

characteristics

Dimension

30kvar/60kvar:440mm*575mm*232mm

100kvar:500mm*620mm*232mm

Weight

Modular’s weight is less than 60kg,  customized cabinet’s weight is based on capacity

Protection  Level

IP20 or according to user requirements

Cooling  method

Forced air cooling

Overall  structure

Modular (drawer or wall) or floor  cabinet

Installation

In-house, drawer-mounted or  wall-mounted

Environmental  

conditions

Environment

temperature

-10℃~+40℃

Relative  

humidity

Maximum 90%, no condensation

Altitude

Installation altitude is less than 2000 meters, shouldreduce  capacity if the altitude is higher than 2000 meters