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power quality solution high speed 3-level inverter low-voltage SVG

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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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Jiangsu Sfere Electric Co., Ltd.

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Product Categories

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power quality solution high speed 3-level inverter low-voltage SVG

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