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Instantaneous and Effective Power Solutions Static Var Generator

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Nanjing Ark Tech Co., Ltd.

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Instantaneous and Effective Power Solutions Static Var Generator

Brand Name : ARK

Model Number : SVG

Certification : CE

Place of Origin : CHINA

MOQ : 1UNIT

Payment Terms : L/C, T/T

Delivery Time : 15

Multifunctional : Reactive power, imbalance and part of Harmonic compensation

Excellent reactive compensation : High speed, Precise (-0.99 ≤ Cosφ ≤ 0.99), Step-less, Bi-directional (capacitive and inductance) compensation

Excellent imbalance correction : Both negative and zero sequence, mitigates neutral current

High stability : Infinite impedance to grid, avoids harmonic resonance problem

Flexible application : Modular design, embedded in standard or customized cabinet

Easy installation and maintenance : Easy installation for SVG module replacement and expansion

Wide capacity range : 5~120 kvar for a single cabinet, up to 10 cabinets in parallel

Environmental adaptability : -20~50°C temperature, compatible with diesel generators

Waveform display function on HMI : Display waveform of input Voltage, Grid current, Load current and SVG current

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Discription

Static var generators (SVG), also known as active power factor compensators (APFC) or instantaneous stepless reactive power compensators, are the ultimate answer to power qualityproblems caused by low power factor and reactive power demand for a wide range of segments

and applications. They are a high performance, compact, flexible, modular and cost- effective type of active power filters (APF) that provide an instantaneous and effective response to power quality problems in low or high voltage electric power systems. They enable longer equipment lifetime, higher process reliability,improved power system capacity and stability, and reduced energy losses, complying with most demanding power quality standards and grid codes.

Low power factor increases the active energy losses of installations and affects their stability. It is typically caused by inductive or capacitive loads that demand extra reactive power to perform properly. Other contributors to low power factor are harmonic currents produced by nonlinear loads and the change of load in the electric power system.

Working Principle

The principle of the SVG is very similar to that of Active Power Filter, When the load is generating inductive or capacitive current, it makes load current lagging or leading the voltage. SVG detects the phase angle difference and generates leading or lagging current into the grid, making the nphase angle of current almost the same as that of voltage on the transformer side, which means fundamental power factor is unit. YIY-SVG is also capable of correcting load imbalance.

Product Paramenters

TYPE	Series 220V	Series 400V	Series 500V	Series 690V
Max neutral w ire current	5KVar	10KVar15KVar/ 35KVar/50KVar/ 75KVar/100KVar	90KVar	120KVar
Nominal voltage	AC220V(-20%~+20%)	AC380V(-20%~+20%)	AC500V(-20%~+20%)	AC690V(-20%~+20%)
Rated frequency	50Hz±5%
Network	Single phase	Three-phase three-wire/three-phase four-wire
Response time	<10ms
Reactive power compensation rate	>95%
Machine efficiency	>97%
Switching frequency	32kHz	16kHz	12.8kHz	12.8kHz
Feature selection	Deal with harmonics/Deal with harmonics and reactive power	Deal with harmonics/Deal with harmonics and reactive power/ Deal with harmonics and three-phase unbalance /Three options
Numbers in parallel	No limitation. A single centralized monitoring module can be equipped with up to 8 power modules
Communication methods	Two-channel RS485 communication interface (support GPRS/WIFIwireless communication)
Altitude w ithout derating	<2000m
Temperature	-20~+50°C
Humidity
Pollution level	Below level Ⅲ
Protection function	Overload protection, hardware over-current protection, over-voltage protection, power grid voltage imbalance protection, power failure protection, over-temperature protection, frequency anomaly protection, short circuit protection, etc
Noise	<50dB	<60dB	<65dB
Installation	Rack/wall hanging		Rack
Into the way of line	Back entry (rack type), top entry (wall-mounted)		Top entry
Protection grade	IP20

Instantaneous and Effective Power Solutions Static Var Generator

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