WindSun Science & Technology Co., Ltd. (FGI) is a national high-tech enterprise affiliated with Shandong Energy Group, specializing in power electronics energy-saving control technology, and integrating R&D, production, sales and services into a whole. On April 13,2021, FGI went public on The Science and Technology Innovation Board. Stock code: 688663.
6kV static var generator (SVG) – water-cooling
Technical parameter
Name
Specification
Rated voltage
6kV±10%～35kV±10%
Assessment point voltage
6kV±10%～35kV±10%
Input voltage
0.9~ 1.1pu; LVRT 0pu(150ms), 0.2pu(625ms)
Frequency
50/60Hz; Allow short-term fluctuations
Output capacity
±0.1Mvar～±200 Mvar
Starting power
±0.005Mvar
Compensation current resolution
0.5A
Response time
<5ms
Overload capacity
>120% 1min
Power loss
<0.8%
THDi
<3%
Power supply
Dual power supply
Control power
380VAC, 220VAC/220VDC
Reactive power regulation mode
Capacitive and inductive automatic continuous smooth adjustment
Communication interface
Ethernet, RS485, CAN, Optical fiber
Communication protocol
Modbus_RTU, Profibus, CDT91, IEC61850- 103/104
Running mode
Constant device reactive power mode, constant assessment point reactive power mode, constant assessment point power factor mode, constant assessment point voltage mode and load compensation mode
Parallel mode
Multi machine parallel networking operation, multi bus comprehensive compensation and multi group FC comprehensive compensation control
Protection
Cell DC overvoltage, Cell DC undervoltage, SVG overcurrent, drive fault, power unit overvoltage, overcurrent, overtemperature and communication fault; Protection input interface, protection output interface, abnormal system power supply and other protection functions.
Fault handling
Adopt redundant design to meet N-2 operation
Cooling mode
Water cooling/Air cooling
IP degree
IP30(indoor); IP44(outdoor)
Storage temperature
-40℃～+70℃
Running temperature
-35℃～ +40℃
Humidity
<90% (25℃), no condensation
Altitude
<=2000m (above 2000m customized)
Earthquake intensity
Ⅷ degree
Pollution level
Grade IV
Application
FGSVG series products can be widely used in petrochemical industry, power system, metallurgy, electrified railway, urban construction and other industries, such as various asynchronous motors, transformers, thyristor converters, frequency converters, induction furnaces, lighting equipment, electric arc furnaces, electric locomotives, hoists, cranes, stamping machines, cranes, elevators, wind turbines, elevators, electric welding machines, resistance furnaces Quartz smelting furnace and other equipment provide high-quality and reliable reactive power compensation and filtering solutions.
FGSVG series products can enhance power transmission capacity, reduce power loss, compensate reactive power, control harmonics, suppress flicker, stabilize grid voltage, balance three-phase system, change system damping characteristics and improve system stability.
Specifications and dimensions of 6kV indoor type products
Air cooled type
Voltage class(kV)
Rated capacity(Mvar)
Dimension
W*D*H(mm)
Weight(kg)
Reactor type
6
1.0～2.0
3300*1400*2400
2290～2850
Iron core reactor
3.0
3400*1400*2400
3060
Iron core reactor
4.0～5.0
4800*1400*2400
3750～4260
Iron core reactor
6.0～7.0
3600*1400*2400
2750～3450
Air core reactor
8.0～12.0
5600*1400*2600
4600～5000
Air core reactor
Water cooling type
Voltage class(kV)
Rated capacity(Mvar)
Dimension
W*D*H(mm)
Weight(kg)
Reactor type
6
1.0～9.0
5200*1400*2400
2550
Air core reactor
10.0～15.0
5800*1400*2400
2750
Air core reactor
Note:
1. Capacity (Mvar) refers to the rated regulation capacity within the dynamic regulation range from inductive reactive power to capacitive reactive power.
2. The air core reactor is used for the equipment, and there is no cabinet, so the placement space needs to be planned separately.
3. The above dimensions are for reference only. The company reserves the right to upgrade and improve the products. The product dimensions are subject to change without notice.
System Performance
01 Forced air cooling
The intelligent temperature control system is adopted for air cooling and heat dissipation: the frequency conversion control technology is used for the heat dissipation fan, and the speed of the heat dissipation fan is controlled according to the equipment capacity, radiator temperature and ambient temperature, so as to control the inlet air volume, so as to achieve energy conservation and noise reduction, especially when the capacity is small, the effect is more obvious.
02 Air water cooling
The hot air caused by the heating of the equipment returns to the room after passing through the outdoor water-cooled heat exchange system to form a hot air cold air circulation system to realize the purpose of equipment heat dissipation. The circulating water used by the outdoor water cooling and heat exchange system can borrow the external water source on the site, establish water tower and other ways, which is suitable for the site with harsh environment.
03 Wind water cooling
In harsh environments such as high sand, high humidity, high salt fog, high corrosion and high condensation, as well as occasions with high noise requirements, conventional air-cooled heat dissipation can’t well meet the environmental requirements of the site, but the use of water-cooled heat dissipation can better meet the needs of the site.
With multi-chip DSP+FPGA as the control core, adopts instantaneous reactive power theory control technology, FFT fast harmonic calculation technology, and high-power IGBT drive technology. The design goal is to achieve high reliability, easy operation and high performance. The product can provide capacitive or inductive reactive power quickly and continuously, realizing various control modes such as constant assessment point reactive power, constant assessment point voltage and constant assessment point power factor, as well as comprehensive compensation. FGSVG series high-voltage dynamic reactive power compensation device can not only automatically compensate reactive power, but also dynamically compensate harmonics at the same time to ensure stable operation of the power system.
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