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Characteristics
Technical sheet
Operations manual

ACTIVE HARMONIC FILTER

ZGR FAA / AHF

ZGR FAA / AHF is a system that helps to eliminate harmonic distortion in the power grid.

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Characteristics

The ZGR FAA / AHF helps to eliminate harmonic contamination in the grid, reducing power quality problems and enhancing a more efficient and safe use of energy.

The presence of harmonics increases the RMS current in electricity grids. The transmission of currents harmonics through system impedance creates harmonics which produce voltage distortions and in this way deteriorate the quality of the grid voltage. This leads to increased operation and energy costs, production/process stops, overheating and malfunctioning of electrical equipment.

The ZGR FAA / AHF is designed according to the latest state of the art in power electronics technology.

The technology is installed in parallel with non-linear electrical loads. The active filter analyses the phase current together with the associated harmonics, generating a compensation current, which neutralizes the harmonic currents creating a practically sinusoidal waveform.

TECHNICAL SHEET

High security and reliability
Harmonic compensation up to the order of 50º (individually selectable)
Flicker Compensation
Ultra-fast reactive power compensation (inductive and capacitive)
Phase and neutral cable balance
Compact design
Scalable modular system (25A - 600A)
Resonance detection
Digital control with intelligent FFT algorithm
Ethernet and Ethercat connection system
High performance and reliability
Insensitive to grid conditions
Protections: Overload protection; Internal short circuit protection; Over temperature protection; Over and under voltage protection; Inverter bridge; Resonance protection; Fan failure alarm

Technical sheet

TECHNICAL SPECIFICATIONS

Model	ZGR FAA / AHF
Nominal voltage	380 V (228 a 456 V)	480 V (384 a 552 V)	690 V (480 a 790 V)
Frequency	43 – 62 Hz
Compensation current (module)	25 A, 35 A, 50 A, 60 A, 100 A, 150 A	75 A, 90 A	75 A, 90 A
Compensation capacity in neutral terminal	3 times the compensation current (in case of 4 wire system)
Compensation range of harmonic currents	2nd - 50th harmonic order, or specified order of harmonics 0 - 110%
Harmonic reduction rate	> 95%
Power factor (PF)	Adjustable from -1 to 1
Switching frequency/control	20 kHz / 20 kHz
Reaction time	< 50 µs
Global response time	< 5 ms
Harmonic compensation	Yes
Reactive power compensation	Yes
Unbalance compensation	Yes

MONITORING
Screen	TFT 7’’ colour
Communication ports	RS485, network port (RJ45)
Communication protocols	Modbus RTU, TCP/IP (Ethernet)

PROTECTIONS
Failure alarm	Yes, 500 alarm logs max.
Protections	Overvoltage, under voltage, short-circuit, inverter bridge, over compensation

MECHANICAL AND ENVIRONMENTAL CHARACTERISTICS
Working temperature range	-10 ºC ~ +40 ºC (without derating)
Protection degree	IP20
Working altitude	1500 m (without power loss)
Noise leve	< 56 dB (depending on the model)	< 65 dB (depending on the model)
Relative humidity	5 to 95% (without condensation)
Cooling	Forced

STANDARDS
Certifications	CE, IEEE 61000	CE, ETL (UL508), IEEE 61000
Standards	IEEE 519, ER G5/4

Operations manual

Manual castellano

Hybrid, robust and reliable solutions

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