SVG Active Static Var Generator Panel

Overview 

The Static Var Generator (SVG) is a leading solution for reactive energy compensation, designed to meet the demands of modern networks facing challenges like increased harmonics and voltage fluctuations from renewable energy sources. Its DSP-controlled IGBT topology ensures effective phase compensation for both inductive and capacitive loads, while also correcting phase imbalances. With resistance to harmonics and resonance, the SVG offers a maintenance-free solution that can easily integrate into any network configuration, making it suitable for today’s evolving energy landscape.

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Applicable occasion

1.Hoists, rolling mills, and other heavy industry applications are typical impact loads, primarily found in mining and metallurgical industries. They have the following impacts on the power grid:

• The reactive power impact is large, resulting in power grid voltage fluctuations, serious interference with the operation of other equipment, reducing production efficiency; 

• Low power factor, monthly need to pay a large amount of reactive power fines; 

• Some devices produce harmonics, endangering the safety of power grid.

2. The main loads of the oil and gas drilling platform power supply system include winches, turntables, mud pumps, etc. Due to the specific conditions of drilling, the system represents a typical impact load. The impacts on the power grid are as follows: 

• Large reactive power impact, low power factor;

• High current harmonics;

• The voltage fluctuation is serious and the voltage distortion rate is high, which affects the power supply of the control system, PLC, logging instrument and other equipment.

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Product Features

Dynamic Reactive Power Compensation

Continuously monitors and adjusts reactive power output to maintain stability and efficiency during load variations, with an adjustable power factor ranging from -1 to +1.

High-Efficiency Control

Incorporates Insulated Gate Bipolar Transistor (IGBT) technology for effective power conversion, significantly minimizing energy losses and boosting overall system efficiency.

Power Factor Improvement

Effectively raises the power factor close to unity (1.00), resulting in reduced electricity costs and decreased strain on the grid, ultimately benefiting businesses economically.

Harmonic Suppression

Features integrated harmonic filtering capabilities that suppress harmonic distortion within the grid, safeguarding electrical equipment and extending its lifespan.

Modular Design

The modular design allows for easy expansion and maintenance, providing flexibility to adapt to various power system scales and requirements, while supporting future upgrades.

User-Friendly Interface

Equipped with an intuitive Human-Machine Interface (HMI) that enables operators to monitor and adjust system parameters in real-time, improving operational efficiency.

Reliability and Stability

Undergoes extensive testing to ensure dependable performance under diverse operating conditions, capable of withstanding challenging environments to ensure safe operation.

Multi-Functional Integration

Offers a range of functions, including reactive power compensation, load balancing, and harmonic filtering, delivering a comprehensive solution for diverse user needs.

Technical parameters of the main equipment

Input	Rated voltage	380V (allowable fluctuation range-40% ~ +20%)
	Rated frequency	50 ± 2Hz
	Compensation capacity	50 kvar, 75 kvar, 100 kvar, 200 kvar, Parallel expandable capacity
Performance indicators	Overall machine efficiency	≥ 97%, excess capacity is compensated according to maximum capacity
	CT Requirements	Three CTs, accuracy level 0.5 or above, secondary current 5A
	Range of compensation	Inductive reactive power and capacitive reactive power can be continuously replenished
	Switching frequency	Average 20KHz
	Neutral filtering capability	3 times phase line current
	Response time	40uS
	Full response time	10mS
	Self-diagnostic function	Fault self-diagnosis, automatic switching, automatic restart
	Compensatory capacity	Full compensation when it is within the equipment capacity, and the time limit exceeding the equipment capacity is defined as the rated compensation capacity
	Protection function	Overcurrent, power grid overvoltage, undervoltage, overheating, bus overvoltage,undervoltage, short circuit, fan failure, power failure and current limiting protection, etc.
	Display data and records	1. Voltage and current, power factor, THD and other parameters of each phase; 2. Power grid, load current waveform, three-phase voltage waveform; 3. Three-phase IGBT temperature display: 4. Operation mode setting and parameter setting
	Communication interface	Rs485, Ethernet
	Communication protocol	Modbus discussion
Environmental Conditions	Man-machine interface	5-inch or 10-inch touch screen
	Ambient temperature	-10C ~ +45C
	Elevation	< 2 km, higher altitude can be derated
	Level of protection	IP20
Structure	Cooling method	Intelligent air cooling
	Installation method	Wall-mounted, drawer-mounted, whole cabinet drawer-mounted
	Dimensions	See "Selection Dimensions" for details

 

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