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APF low voltage active power filter reduce the harmonic current Active harmonic filter

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Product Description

An increasing number of loads are non-linear, introducing harmonics into the power grid and thus significantly impairing the power quality. SFR-APF is an active harmonic filter that effectively reduces the unwanted harmonics.

Linear loads have become a rarity in industrial plants, office buildings, data centers or even private households. Non-linear loads, by contrast, have become increasingly common: frequency converters in drive systems, the large numbers of switch-mode power supplies used in IT and communications equipment, and also more and more in household electronics. Even lighting technology employs mainly non-linear power supplies.

Product Paramenters

Elecnova active power filter is mainly composed of incoming line contactor, filter, IGBT inverter, and control and protection. The control system of the active power filter detects the current on the load side and the system voltage at the connection point in real time, calculates the current required for harmonic compensation, and controls the three-phase IGBT inverters to give current tracking and compensation orders to suppress harmonics on the load side. Besides, the filter is also capable of protection against AC overvoltage/under voltage, output overcurrent, DC overvoltage/under voltage, short circuit of inverter, and overheating of inverter.

Product Specification	Rack Type Module	Wall-mounting type	Full cabinet type
Product Specification	Rack Type Module	Wall-mounting type	Full cabinet type
Power grid voltage	400/690V（-40%~+20%）
Power gird frequency	50/60±hz
Wiring pattern	Three-phase three-wire，Three-phase four-wire
Capacity	25A 50A 75A 100A 50A 75A 100A 25~400A
Harmonic order	2-50 times of harmonic compensation ,eliminating all harmonic waves or harmonic waves of selected number of times
Setting of harmonic degree	It is allowed to set independently to each time of harmonic wave
Haimonic compensation efficiency	≥97%
Full response time	≤5ms
Compensation mode	Harmonic compensation ,reactive compensation and three-phase unbalance compensation
Parallel running capability	Supporting parallel connection of at most 10 modules
Active power loss	＜3% rated output capacity of equipment
Display function (user interface)	3in LCD,display real-time data of module,waveform curve ,parameter setting ,record inquiry and manufacturing information			Inquiry system of 7in LCD touch screen (optional),real-time data of parallel connection module ,waveform curve ,parameter setting,record inquiry and manufacturing information
Protection mode	automatic current limit protection for power grid over-voltage and under-voltage ,power grid over-frequency and under-ferquency,inverted sequence of input voltage ,over-current ,over-heating and over-load ,and busbar short-circuit
Cooling mode	Forced air cooling
Noise	≤65dB
Protection grade	IP20 (higher protection garde can be customized)
Communication	Remote RS485/RS232/Etherent communication function (optional)

Model Selection

Transformer Capacity(kVA)	Capacity and Quantity of Active Power Filter(Three-phase Four-wire)	Capacity and Quantity of Active Power Filter(Three-phase Three-wire)
200	SFR-APF4-50/0.4	SFR-APF3-50/0.4
250/315	SFR-APF4-50/0.4	SFR-APF3-75/0.4
400	SFR-APF4-75/0.4	SFR-APF3-75/0.4
500/630	SFR-APF4-75/0.4	SFR-APF3-100/0.4
800	SFR-APF4-100/0.4	SFR-APF3-150/0.4
1000	SFR-APF4-100/0.4	SFR-APF3-200/0.4
1250	SFR-APF4-150/0.4	SFR-APF3-250/0.4
1600	SFR-APF4-200/0.4	SFR-APF3-300/0.4
2000	SFR-APF4-200/0.4	SFR-APF3-400/0.4
2500	SFR-APF4-300/0.4	SFR-APF3-250/0.4 x 2

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

Current transducer	current transformer(CT)	Din rail mounted power meter	Motor control and management device
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System	Ungrouped	Wireless data transmission and gateway

APF low voltage active power filter reduce the harmonic current Active harmonic filter

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