Static Var Generator System

Reactive Power Compensation Device is a reactive power compensation device characterized by fast response and superior compensation performance. Compared to traditional reactive power compensation products, it offers advantages such as high reliability, large compensation capacity, simple operation and structure, and high cost-effectiveness.

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Products Description

1. Major components are imported, featuring a modular design for easy installation, commissioning, and maintenance. The device self-checks and operates automatically upon power-on, requiring no manual intervention.

2. It has a soft-start control circuit to avoid excessive inrush current during startup and limits this current within the rated range, automatically suppressing overload and eliminating resonance risk.

3. Multiple units can be connected in parallel, up to 12 units.

4. The operating interface uses opto-isolation technology, allowing for parameter setting, status changes, information viewing, and displaying operating status, measurement data, fault alarms, and other information.

Product Features

Technological Advantages

◆ Three-level technology, high power density

◆ Supports three compensation modes: harmonics, reactive power, and imbalance

◆ FPGA+ARM architecture, fast processing speed and more intelligent interface

◆ Standard rack size, easy to install in various industry-standard cabinets

◆ Unique patented technology, completely independent air duct

Safety and Reliability

◆ Comprehensive protection and monitoring functions

◆ Self-diagnostic function

◆ Parallel operation, unaffected by the power grid

◆ Key components are selected from internationally renowned brands

Environmental Adaptability

◆ Excellent EMI electromagnetic compatibility

◆ Three-proof design

◆ Shock resistance and lightning protection

◆ Industrial-grade chips, wide temperature range

◆ Low noise design

Maintenance

◆ Modular design, rack mounting, highly maintainable

◆ Interactive human-machine interface, remote monitoring capability

◆ Parallel operation mode, high reliability

◆ Standard 4U height, convenient for data center applications

Data Sheet

Electrical parameters
Wiring method	Three-phase three-wire, three-phase four-wire
Operating voltage	380V(±20%)
Operating frequency	50/60Hz, ±10%
Product specifications	30kvar, 50kvar, 70kvar, 100kvar, 150kvar
Current transformer specifications	50:5 ~ 30000:5
Noise	＜65dB
Features
Switching devices	IGBT
Switching frequency	>20kHz
Heat dissipation methods	Intelligent air cooling
Heat dissipation control	Adaptive fan speed adjustment
Protection functions	Overvoltage, undervoltage, overheating, overcurrent, short circuit protection
Compensation performance
Reactive power compensation	-1 to +1 adjustable (within device capacity range)
Active power loss	<3%
Total response time	<10ms
Compensation for three-phase imbalance	100% full imbalance compensation
Display Interface
Display screen	7-foot full-color touchscreen (cabinet type)
Language	Chinese, English, and customizable languages
Battery display	Distortion rate, power factor, power, voltage, current, and other data display
Communication interface and protocol type	RS485, Modbus protocol
Environmental conditions
Operating temperature	-10℃~+40℃
Relative humidity	<95%, no condensation
Altitude	<5000 meters (above 1000 meters, capacity decreases by 1% for every additional 100 meters)
Others
Protection level	IP20 rating, other ratings available upon request.
Installation method	Rack-mount, wall-mount, integrated cabinet configurations.

Q&A

1. What are the advantages of static VAR compensator?

Enhancing energy efficiency. Improving the quality of energy supplied by distribution companies. Reducing active power losses caused by reactive power flow. Increasing the capacity of transmission and distribution systems.

2. What is the difference between SVG and capacitor?

SVG: Requires minimal maintenance due to its solid-state design. The lack of moving parts means that SVGs have a longer operational life and greater reliability compared to traditional capacitor banks. Capacitors: Can degrade over time, especially if they are overused or exposed to conditions like overvoltage.

3. How does a static var generator work?

Static Var Generator

Utilizing solid state inverter technology, the SVG delivers instantaneous power factor correction to the grid by injecting current within 20ms. With no risk of over- or under-correction, the SVG can correct the power factor of the system to > 0.99 under all load conditions.

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