Мощность качественное решение высокоскоростной 3-х уровневый инвертор с низким напряжением

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Характеристики



Product Description



The principle of the SVG is very similar to that of Active Power Filter, as demonstrated in the picture below. 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 phase angle of current almost the same as that of voltage on the transformer side, which means fundamental power factor is unit. SFR-SVG is also capable of correcting load imbalance.






Technical parameters


Function
Technical 
parameters
Wall mounted
SFR-SVG-(30~50)/B
Rack mounted
SFR-SVG-(30~200)/M
Cabinet type
SFR-SVG-(100~500)/G






Electrical
characteristics
Rated voltage(V)
AC380V±15%, AC690V±15%
Working frequency(Hz)
50Hz±5%
Rated compensation capacity(KVA)
30
50
30                    50
75                    100
150                  200
100~500
Scope of reactive adjustment
Continuously adjustable from rated induced to rated capacitive
Response time
5ms
Loss of active power
<3% rated module power
Over-load capability
120%
Multi-set running mode
Parallel running
Mean time between failures
≥100,000hours





Local protection
Switching frequency
Average 10kHz
Control algorithm
compensation algorithm of screening vector of frequency domain possessing self-adaptation capability
Controller
Digital signal processor(DSP)
Communication
capability
Adopting Modbus remote communication protocol,communication interface RS485/232 and CAN bus
Control connection
Optical fiber or electrical connection



Structural characteristics
W x H x D(mm)
510 x 218 x 694
340 x 629 x 709
Refer to capacity of cabinet
Protection grade
IP21 orcustomized according to the user' s demand
Color
RAL7035(light gray),
Cooling mode
Forced air cooling
Overall structure
Floor type
Installation mode
Indoor installation; optional fixing modes and optional cable incoming modes



Environmental conditions
Environmental temperature
-10~40℃
Storage temperature
-40~65℃
Relative humidity
5%-95%, no condensation
Altitude
≤1000m,1000-4000;according to national standard GB/T3859.2, for every increased 100m, the power is reduced by 1%
Electromagnetic
compatibility
Conforming to GB/T7250-2005


Compensation Curve


Rapid Response

SVG will conduct full compensation of reactive

power of system at the moment of startup.

Perfect Compensation

SVG will send out compensation current with 

the size equivalent to but phase opposite to 

the reactive current of the system.



Real-time Tracking

SVG can conduct compensation in a dynamic 

and real-time way according to the change of 

reactive current of the system.

Inverted Overlapping

Compensate reactive current of the system

and reactive current sent out by SVG after the

current is inverted.



Model Selection


Transformer Capacity(kVA)
Three-phase Four-wire
Three-phase Three-wire
200
SFR-SVG4-100/0.4 X 1
SFR-SVG3-100/0.4 X 1
250/315
SFR-SVG4-100/0.4 X 1
SFR-SVG3-100/0.4 X 1
400
SFR-SVG4-150/0.4 X 1
SFR-SVG3-200/0.4 X 1
500/630
SFR-SVG4-200/0.4 X 1
SFR-SVG3-300/0.4 X 1
800
SFR-SVG4-250/0.4 X 1
SFR-SVG3-400/0.4 X 1
1000
SFR-SVG4-300/0.4 X 1
SFR-SVG3-500/0.4 X 1
1250
SFR-SVG4-400/0.4 X 1
SFR-SVG3-300/0.4 X 2
1600
SFR-SVG4-250/0.4 X 2
SFR-SVG3-400/0.4 X 2
2000
SFR-SVG4-300/0.4 X 2
SFR-SVG3-500/0.4 X 2
2500
SFR-SVG4-400/0.4 
SFR-SVG3-400/0.4 X 3


Packing & Delivery




FAQ


Q: Are you trading company or manufacturer ?
A: We are factory located in Jiangyin Jiangsu Province.


Q: Does your company provide customized manufacturing?

A: We provide OEM/ODM service to our customers. Our experienced R&D team will give our customer solution in a high efficiency way.


Q: How long is your delivery time?
A: 3-5 working days for the items were in stock, 15-21days for the items out of stock.

Q: Do you provide samples ? is it free or extra ?
A: You need to pay for the sample and cover the freight as well.

Q: What is your terms of payment ?
A: Order amount less than $3000, 100% paid before shipment, order amount more than $3000,30% as deposit, 70% before shipment, or by negotiated for the both parties.



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