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Static Var Generator

 
 
The static var generator connects the self-commutation bridge circuit in parallel to the power grid directly through the reactor, and appropriately adjusts the phase and amplitude of the output voltage on the AC side of the bridge circuit or directly controls the current on the AC side, so that the circuit emits signals that meet the requirements. The reactive current can achieve the purpose of dynamic reactive power compensation.
Availability:
  • XiCHi

Specifications of var generator

Item

Compensation capacity

Kvar

25

30

50

75

100

200

300

400

500

AC input


Rated voltage

400W (±20%)      

690V (±20%)

working frequency

(50±2) Hz

Wiring method

Three-phase four-wire system


Technical Parameter


The efficiency of the whole machine

is ≥97%, and the excess capacity is compensated according to the maximum capacity

Power consumption

≤3% of rated capacity

Module expansion capability

Up to 10 function modules

Switching frequency

20kHz

Circuit topology

Three-level

Harmonic Compensation Order

2~25th harmonic, can be directly set to selectively eliminate a variety of specific harmonics,

the capacity of harmonic compensation is not less than 50% of the total capacity (enhanced SVG)

Ordinary SVG without filter function

Filter level setting

Enhanced SVG: Each harmonic can be individually set, and the ability to selectively eliminate specific harmonics;

Ordinary SVG: without filtering.










Compensation range

Compensation range

Inductive reactive power, capacitive reactive power can be continuously compensated

The maximum inrush current

Not more than rated current

Response time

100μs/10ms

Protection function

Grid overvoltage, undervoltage, overcurrent, bus overvoltage, overheating and current limiting protection, etc., with a delay of 5μs

Display function

1. Various voltage and current value, current and voltage waveform display

2.  The total load current value, SVG output total current value display

3.  Running mode setting, fault information and running time query

Communication Interface

WIFI,RS232, RS485

Performance  

Noise

<65dB

Target power factor

-0. 99~0. 99 adjustable

Cooling method

Forced air cooling

Ambient temperature

-10℃~+45℃

Storage temperature

-20℃~+60℃

Humidity Maximum

Max 95%RH(non-condensing)

Altitude

Altitude ≤2000m, according to GB/T3859.2, the capacity decreases by 1% for every 100M increase

Protection grade

IP20 (other protection grades can be customized)

Mechanical characteristic

Size

620mm*440mm*221mm(module) 800mm*800mm*2200mm(cabinet)

other dimensions can be customized

Color

Acrylic black,

other colors can be customized on request

Incoming line

bottom incoming line / top incoming line

Operating characteristics

It can operate safely and stably around the clock, without affecting the normal operation of other equipment in the system, and without endangering the security of the power grid. There are protection measures such as over-humidity, over-voltage, under-voltage, overload and over-current, short circuit and system self-diagnosis function inside the module. If a fault such as a short circuit occurs inside the module, it can be automatically protected without affecting the external power supply system. The compensation energy required by the load is greater than the rated compensation energy, which can be output according to the capacity of the body and continue to compensate, without overloading or causing equipment damage and exiting operation             


Model

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